diff options
37 files changed, 3887 insertions, 1018 deletions
diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md index 8d1efb12a..ec1218954 100644 --- a/docs/feature_rgb_matrix.md +++ b/docs/feature_rgb_matrix.md @@ -10,39 +10,45 @@ If you want to use single color LED's you should use the [LED Matrix Subsystem]( There is basic support for addressable RGB matrix lighting with the I2C IS31FL3731 RGB controller. To enable it, add this to your `rules.mk`: - RGB_MATRIX_ENABLE = IS31FL3731 +```C +RGB_MATRIX_ENABLE = IS31FL3731 +``` Configure the hardware via your `config.h`: - // This is a 7-bit address, that gets left-shifted and bit 0 - // set to 0 for write, 1 for read (as per I2C protocol) - // The address will vary depending on your wiring: - // 0b1110100 AD <-> GND - // 0b1110111 AD <-> VCC - // 0b1110101 AD <-> SCL - // 0b1110110 AD <-> SDA - #define DRIVER_ADDR_1 0b1110100 - #define DRIVER_ADDR_2 0b1110110 - - #define DRIVER_COUNT 2 - #define DRIVER_1_LED_TOTAL 25 - #define DRIVER_2_LED_TOTAL 24 - #define DRIVER_LED_TOTAL DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL +```C +// This is a 7-bit address, that gets left-shifted and bit 0 +// set to 0 for write, 1 for read (as per I2C protocol) +// The address will vary depending on your wiring: +// 0b1110100 AD <-> GND +// 0b1110111 AD <-> VCC +// 0b1110101 AD <-> SCL +// 0b1110110 AD <-> SDA +#define DRIVER_ADDR_1 0b1110100 +#define DRIVER_ADDR_2 0b1110110 + +#define DRIVER_COUNT 2 +#define DRIVER_1_LED_TOTAL 25 +#define DRIVER_2_LED_TOTAL 24 +#define DRIVER_LED_TOTAL DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL +``` Currently only 2 drivers are supported, but it would be trivial to support all 4 combinations. Define these arrays listing all the LEDs in your `<keyboard>.c`: - const is31_led g_is31_leds[DRIVER_LED_TOTAL] = { - /* Refer to IS31 manual for these locations - * driver - * | R location - * | | G location - * | | | B location - * | | | | */ - {0, C1_3, C2_3, C3_3}, - .... - } +```C +const is31_led g_is31_leds[DRIVER_LED_TOTAL] = { +/* Refer to IS31 manual for these locations + * driver + * | R location + * | | G location + * | | | B location + * | | | | */ + {0, C1_3, C2_3, C3_3}, + .... +} +``` Where `Cx_y` is the location of the LED in the matrix defined by [the datasheet](http://www.issi.com/WW/pdf/31FL3731.pdf) and the header file `drivers/issi/is31fl3731.h`. The `driver` is the index of the driver you defined in your `config.h` (`0` or `1` right now). @@ -50,60 +56,70 @@ Where `Cx_y` is the location of the LED in the matrix defined by [the datasheet] There is basic support for addressable RGB matrix lighting with the I2C IS31FL3733 RGB controller. To enable it, add this to your `rules.mk`: - RGB_MATRIX_ENABLE = IS31FL3733 +```C +RGB_MATRIX_ENABLE = IS31FL3733 +``` Configure the hardware via your `config.h`: - // This is a 7-bit address, that gets left-shifted and bit 0 - // set to 0 for write, 1 for read (as per I2C protocol) - // The address will vary depending on your wiring: - // 00 <-> GND - // 01 <-> SCL - // 10 <-> SDA - // 11 <-> VCC - // ADDR1 represents A1:A0 of the 7-bit address. - // ADDR2 represents A3:A2 of the 7-bit address. - // The result is: 0b101(ADDR2)(ADDR1) - #define DRIVER_ADDR_1 0b1010000 - #define DRIVER_ADDR_2 0b1010000 // this is here for compliancy reasons. - - #define DRIVER_COUNT 2 - #define DRIVER_1_LED_TOTAL 64 - #define DRIVER_LED_TOTAL DRIVER_1_LED_TOTAL +```C +// This is a 7-bit address, that gets left-shifted and bit 0 +// set to 0 for write, 1 for read (as per I2C protocol) +// The address will vary depending on your wiring: +// 00 <-> GND +// 01 <-> SCL +// 10 <-> SDA +// 11 <-> VCC +// ADDR1 represents A1:A0 of the 7-bit address. +// ADDR2 represents A3:A2 of the 7-bit address. +// The result is: 0b101(ADDR2)(ADDR1) +#define DRIVER_ADDR_1 0b1010000 +#define DRIVER_ADDR_2 0b1010000 // this is here for compliancy reasons. + +#define DRIVER_COUNT 2 +#define DRIVER_1_LED_TOTAL 64 +#define DRIVER_LED_TOTAL DRIVER_1_LED_TOTAL +``` Currently only a single drivers is supported, but it would be trivial to support all 4 combinations. For now define `DRIVER_ADDR_2` as `DRIVER_ADDR_1` Define these arrays listing all the LEDs in your `<keyboard>.c`: - const is31_led g_is31_leds[DRIVER_LED_TOTAL] = { - /* Refer to IS31 manual for these locations - * driver - * | R location - * | | G location - * | | | B location - * | | | | */ - {0, B_1, A_1, C_1}, - .... - } +```C +const is31_led g_is31_leds[DRIVER_LED_TOTAL] = { +/* Refer to IS31 manual for these locations + * driver + * | R location + * | | G location + * | | | B location + * | | | | */ + {0, B_1, A_1, C_1}, + .... +} +``` Where `X_Y` is the location of the LED in the matrix defined by [the datasheet](http://www.issi.com/WW/pdf/31FL3733.pdf) and the header file `drivers/issi/is31fl3733.h`. The `driver` is the index of the driver you defined in your `config.h` (Only `0` right now). From this point forward the configuration is the same for all the drivers. - const rgb_led g_rgb_leds[DRIVER_LED_TOTAL] = { - /* {row | col << 4} - * | {x=0..224, y=0..64} - * | | modifier - * | | | */ - {{0|(0<<4)}, {20.36*0, 21.33*0}, 1}, - {{0|(1<<4)}, {20.36*1, 21.33*0}, 1}, - .... - } +```C +const rgb_led g_rgb_leds[DRIVER_LED_TOTAL] = { +/* {row | col << 4} + * | {x=0..224, y=0..64} + * | | modifier + * | | | */ + {{0|(0<<4)}, {20.36*0, 21.33*0}, 1}, + {{0|(1<<4)}, {20.36*1, 21.33*0}, 1}, + .... +} +``` The format for the matrix position used in this array is `{row | (col << 4)}`. The `x` is between (inclusive) 0-224, and `y` is between (inclusive) 0-64. The easiest way to calculate these positions is: - x = 224 / ( NUMBER_OF_COLS - 1 ) * ROW_POSITION - y = 64 / (NUMBER_OF_ROWS - 1 ) * COL_POSITION +```C +x = 224 / ( NUMBER_OF_COLS - 1 ) * ROW_POSITION +y = 64 / (NUMBER_OF_ROWS - 1 ) * COL_POSITION +``` Where all variables are decimels/floats. @@ -113,48 +129,50 @@ Where all variables are decimels/floats. All RGB keycodes are currently shared with the RGBLIGHT system: - * `RGB_TOG` - toggle - * `RGB_MOD` - cycle through modes - * `RGB_HUI` - increase hue - * `RGB_HUD` - decrease hue - * `RGB_SAI` - increase saturation - * `RGB_SAD` - decrease saturation - * `RGB_VAI` - increase value - * `RGB_VAD` - decrease value - * `RGB_SPI` - increase speed effect (no EEPROM support) - * `RGB_SPD` - decrease speed effect (no EEPROM support) - - - * `RGB_MODE_*` keycodes will generally work, but are not currently mapped to the correct effects for the RGB Matrix system +* `RGB_TOG` - toggle +* `RGB_MOD` - cycle through modes +* `RGB_HUI` - increase hue +* `RGB_HUD` - decrease hue +* `RGB_SAI` - increase saturation +* `RGB_SAD` - decrease saturation +* `RGB_VAI` - increase value +* `RGB_VAD` - decrease value +* `RGB_SPI` - increase speed effect (no EEPROM support) +* `RGB_SPD` - decrease speed effect (no EEPROM support) +* `RGB_MODE_*` keycodes will generally work, but are not currently mapped to the correct effects for the RGB Matrix system ## RGB Matrix Effects -These are the effects that are currently available: - - enum rgb_matrix_effects { - RGB_MATRIX_SOLID_COLOR = 1, - RGB_MATRIX_ALPHAS_MODS, - RGB_MATRIX_DUAL_BEACON, - RGB_MATRIX_GRADIENT_UP_DOWN, - RGB_MATRIX_RAINDROPS, - RGB_MATRIX_CYCLE_ALL, - RGB_MATRIX_CYCLE_LEFT_RIGHT, - RGB_MATRIX_CYCLE_UP_DOWN, - RGB_MATRIX_RAINBOW_BEACON, - RGB_MATRIX_RAINBOW_PINWHEELS, - RGB_MATRIX_RAINBOW_MOVING_CHEVRON, - RGB_MATRIX_JELLYBEAN_RAINDROPS, - RGB_MATRIX_DIGITAL_RAIN, - #ifdef RGB_MATRIX_KEYPRESSES - RGB_MATRIX_SOLID_REACTIVE, - RGB_MATRIX_REACTIVE_SIMPLE, - RGB_MATRIX_SPLASH, - RGB_MATRIX_MULTISPLASH, - RGB_MATRIX_SOLID_SPLASH, - RGB_MATRIX_SOLID_MULTISPLASH, - #endif - RGB_MATRIX_EFFECT_MAX - }; +All effects have been configured to support current configuration values (Hue, Saturation, Value, & Speed) unless otherwise noted below. These are the effects that are currently available: + +```C +enum rgb_matrix_effects { + RGB_MATRIX_NONE = 0, + RGB_MATRIX_SOLID_COLOR = 1, // Static single hue, no speed support + RGB_MATRIX_ALPHAS_MODS, // Static dual hue, speed is hue for secondary hue + RGB_MATRIX_GRADIENT_UP_DOWN, // Static gradient top to bottom, speed controls how much gradient changes + RGB_MATRIX_BREATHING, // Single hue brightness cycling animation + RGB_MATRIX_CYCLE_ALL, // Full keyboard solid hue cycling through full gradient + RGB_MATRIX_CYCLE_LEFT_RIGHT, // Full gradient scrolling left to right + RGB_MATRIX_CYCLE_UP_DOWN, // Full gradient scrolling top to bottom + RGB_MATRIX_RAINBOW_MOVING_CHEVRON, // Full gradent Chevron shapped scrolling left to right + RGB_MATRIX_DUAL_BEACON, // Full gradient spinning around center of keyboard + RGB_MATRIX_RAINBOW_BEACON, // Full tighter gradient spinning around center of keyboard + RGB_MATRIX_RAINBOW_PINWHEELS, // Full dual gradients spinning two halfs of keyboard + RGB_MATRIX_RAINDROPS, // Randomly changes a single key's hue + RGB_MATRIX_JELLYBEAN_RAINDROPS, // Randomly changes a single key's hue and saturation + RGB_MATRIX_DIGITAL_RAIN, // That famous computer simulation +#if defined(RGB_MATRIX_KEYPRESSES) || defined(RGB_MATRIX_KEYRELEASES) + RGB_MATRIX_SOLID_REACTIVE_SIMPLE, // Pulses keys hit to hue & value then fades value out + RGB_MATRIX_SOLID_REACTIVE, // Static single hue, pulses keys hit to shifted hue then fades to current hue + RGB_MATRIX_SPLASH, // Full gradient & value pulse away from a single key hit then fades value out + RGB_MATRIX_MULTISPLASH, // Full gradient & value pulse away from multiple key hits then fades value out + RGB_MATRIX_SOLID_SPLASH, // Hue & value pulse away from a single key hit then fades value out + RGB_MATRIX_SOLID_MULTISPLASH, // Hue & value pulse away from multiple key hits then fades value out +#endif + RGB_MATRIX_EFFECT_MAX +}; +``` You can disable a single effect by defining `DISABLE_[EFFECT_NAME]` in your `config.h`: @@ -162,19 +180,20 @@ You can disable a single effect by defining `DISABLE_[EFFECT_NAME]` in your `con |Define |Description | |---------------------------------------------------|--------------------------------------------| |`#define DISABLE_RGB_MATRIX_ALPHAS_MODS` |Disables `RGB_MATRIX_ALPHAS_MODS` | -|`#define DISABLE_RGB_MATRIX_DUAL_BEACON` |Disables `RGB_MATRIX_DUAL_BEACON` | |`#define DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN` |Disables `RGB_MATRIX_GRADIENT_UP_DOWN` | -|`#define DISABLE_RGB_MATRIX_RAINDROPS` |Disables `RGB_MATRIX_RAINDROPS` | +|`#define DISABLE_RGB_MATRIX_BREATHING` |Disables `RGB_MATRIX_BREATHING` | |`#define DISABLE_RGB_MATRIX_CYCLE_ALL` |Disables `RGB_MATRIX_CYCLE_ALL` | |`#define DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT` |Disables `RGB_MATRIX_CYCLE_LEFT_RIGHT` | |`#define DISABLE_RGB_MATRIX_CYCLE_UP_DOWN` |Disables `RGB_MATRIX_CYCLE_UP_DOWN` | +|`#define DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON`|Disables `RGB_MATRIX_RAINBOW_MOVING_CHEVRON`| +|`#define DISABLE_RGB_MATRIX_DUAL_BEACON` |Disables `RGB_MATRIX_DUAL_BEACON` | |`#define DISABLE_RGB_MATRIX_RAINBOW_BEACON` |Disables `RGB_MATRIX_RAINBOW_BEACON` | |`#define DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS` |Disables `RGB_MATRIX_RAINBOW_PINWHEELS` | -|`#define DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON`|Disables `RGB_MATRIX_RAINBOW_MOVING_CHEVRON`| +|`#define DISABLE_RGB_MATRIX_RAINDROPS` |Disables `RGB_MATRIX_RAINDROPS` | |`#define DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS` |Disables `RGB_MATRIX_JELLYBEAN_RAINDROPS` | |`#define DISABLE_RGB_MATRIX_DIGITAL_RAIN` |Disables `RGB_MATRIX_DIGITAL_RAIN` | |`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE` |Disables `RGB_MATRIX_SOLID_REACTIVE` | -|`#define DISABLE_RGB_MATRIX_REACTIVE_SIMPLE` |Disables `RGB_MATRIX_REACTIVE_SIMPLE` | +|`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE` |Disables `RGB_MATRIX_SOLID_REACTIVE_SIMPLEE`| |`#define DISABLE_RGB_MATRIX_SPLASH` |Disables `RGB_MATRIX_SPLASH` | |`#define DISABLE_RGB_MATRIX_MULTISPLASH` |Disables `RGB_MATRIX_MULTISPLASH` | |`#define DISABLE_RGB_MATRIX_SOLID_SPLASH` |Disables `RGB_MATRIX_SOLID_SPLASH` | @@ -185,26 +204,33 @@ You can disable a single effect by defining `DISABLE_[EFFECT_NAME]` in your `con Custom layer effects can be done by defining this in your `<keyboard>.c`: - void rgb_matrix_indicators_kb(void) { - rgb_matrix_set_color(index, red, green, blue); - } +```C +void rgb_matrix_indicators_kb(void) { + rgb_matrix_set_color(index, red, green, blue); +} +``` A similar function works in the keymap as `rgb_matrix_indicators_user`. ## Additional `config.h` Options - #define RGB_MATRIX_KEYPRESSES // reacts to keypresses (will slow down matrix scan by a lot) - #define RGB_MATRIX_KEYRELEASES // reacts to keyreleases (not recommened) - #define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects - #define RGB_DISABLE_WHEN_USB_SUSPENDED false // turn off effects when suspended - #define RGB_MATRIX_SKIP_FRAMES 1 // number of frames to skip when displaying animations (0 is full effect) if not defined defaults to 1 - #define RGB_MATRIX_MAXIMUM_BRIGHTNESS 200 // limits maximum brightness of LEDs to 200 out of 255. If not defined maximum brightness is set to 255 +```C +#define RGB_MATRIX_KEYPRESSES // reacts to keypresses +#define RGB_MATRIX_KEYRELEASES // reacts to keyreleases (instead of keypresses) +#define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects +#define RGB_DISABLE_WHEN_USB_SUSPENDED false // turn off effects when suspended +#define RGB_MATRIX_LED_PROCESS_LIMIT (DRIVER_LED_TOTAL + 4) / 5 // limits the number of LEDs to process in an animation per task run (increases keyboard responsiveness) +#define RGB_MATRIX_LED_FLUSH_LIMIT 16 // limits in milliseconds how frequently an animation will update the LEDs. 16 (16ms) is equivalent to limiting to 60fps (increases keyboard responsiveness) +#define RGB_MATRIX_MAXIMUM_BRIGHTNESS 200 // limits maximum brightness of LEDs to 200 out of 255. If not defined maximum brightness is set to 255 +``` ## EEPROM storage The EEPROM for it is currently shared with the RGBLIGHT system (it's generally assumed only one RGB would be used at a time), but could be configured to use its own 32bit address with: - #define EECONFIG_RGB_MATRIX (uint32_t *)16 +```C +#define EECONFIG_RGB_MATRIX (uint32_t *)16 +``` Where `16` is an unused index from `eeconfig.h`. @@ -212,12 +238,14 @@ Where `16` is an unused index from `eeconfig.h`. To use the suspend feature, add this to your `<keyboard>.c`: - void suspend_power_down_kb(void) - { - rgb_matrix_set_suspend_state(true); - } - - void suspend_wakeup_init_kb(void) - { - rgb_matrix_set_suspend_state(false); - } +```C +void suspend_power_down_kb(void) +{ + rgb_matrix_set_suspend_state(true); +} + +void suspend_wakeup_init_kb(void) +{ + rgb_matrix_set_suspend_state(false); +} +``` diff --git a/keyboards/dztech/dz40rgb/config.h b/keyboards/dztech/dz40rgb/config.h index 5b9f6dc08..0d6c4ae39 100644 --- a/keyboards/dztech/dz40rgb/config.h +++ b/keyboards/dztech/dz40rgb/config.h @@ -22,7 +22,6 @@ #define DEBOUNCE 3 #define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects #define RGB_DISABLE_WHEN_USB_SUSPENDED false // turn off effects when suspended -#define RGB_MATRIX_SKIP_FRAMES 10 #define RGB_MATRIX_KEYPRESSES #define DISABLE_RGB_MATRIX_SPLASH #define DISABLE_RGB_MATRIX_MULTISPLASH diff --git a/keyboards/dztech/dz60rgb/config.h b/keyboards/dztech/dz60rgb/config.h index 19f32440e..3a6f4bcc0 100644 --- a/keyboards/dztech/dz60rgb/config.h +++ b/keyboards/dztech/dz60rgb/config.h @@ -23,7 +23,6 @@ #define DEBOUNCE 3 #define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects #define RGB_DISABLE_WHEN_USB_SUSPENDED false // turn off effects when suspended -#define RGB_MATRIX_SKIP_FRAMES 10 #define RGB_MATRIX_KEYPRESSES #define DISABLE_RGB_MATRIX_SPLASH #define DISABLE_RGB_MATRIX_MULTISPLASH diff --git a/keyboards/ergodox_ez/config.h b/keyboards/ergodox_ez/config.h index 096368f7a..a75edd415 100644 --- a/keyboards/ergodox_ez/config.h +++ b/keyboards/ergodox_ez/config.h @@ -109,7 +109,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #define DRIVER_1_LED_TOTAL 24 #define DRIVER_2_LED_TOTAL 24 #define DRIVER_LED_TOTAL DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL -#define RGB_MATRIX_SKIP_FRAMES 10 // #define RGBLIGHT_COLOR_LAYER_0 0x00, 0x00, 0xFF /* #define RGBLIGHT_COLOR_LAYER_1 0x00, 0x00, 0xFF */ diff --git a/keyboards/hs60/v1/config.h b/keyboards/hs60/v1/config.h index 7581e54b6..528f08bb9 100644 --- a/keyboards/hs60/v1/config.h +++ b/keyboards/hs60/v1/config.h @@ -120,7 +120,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects #define RGB_DISABLE_WHEN_USB_SUSPENDED false // turn off effects when suspended -#define RGB_MATRIX_SKIP_FRAMES 0 #define RGB_MATRIX_MAXIMUM_BRIGHTNESS 215 #define DRIVER_ADDR_1 0b1110100 diff --git a/layouts/community/ergodox/drashna_glow/config.h b/layouts/community/ergodox/drashna_glow/config.h index cdca5ba4b..a10c4bb29 100644 --- a/layouts/community/ergodox/drashna_glow/config.h +++ b/layouts/community/ergodox/drashna_glow/config.h @@ -13,7 +13,6 @@ // #define RGB_MATRIX_KEYRELEASES // reacts to keyreleases (not recommened) // #define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects #define RGB_DISABLE_WHEN_USB_SUSPENDED true// turn off effects when suspended -// #define RGB_MATRIX_SKIP_FRAMES 1 // number of frames to skip when displaying animations (0 is full effect) if not defined defaults to 1 // #define RGB_MATRIX_MAXIMUM_BRIGHTNESS 200 // limits maximum brightness of LEDs to 200 out of 255. If not defined maximum brightness is set to 255 // #define EECONFIG_RGB_MATRIX (uint32_t *)16 #endif diff --git a/layouts/community/ortho_4x12/drashna/config.h b/layouts/community/ortho_4x12/drashna/config.h index f648d1127..1858ee3a4 100644 --- a/layouts/community/ortho_4x12/drashna/config.h +++ b/layouts/community/ortho_4x12/drashna/config.h @@ -18,7 +18,6 @@ // #define RGB_MATRIX_KEYRELEASES // reacts to keyreleases (not recommened) // #define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects #define RGB_DISABLE_WHEN_USB_SUSPENDED true// turn off effects when suspended -// #define RGB_MATRIX_SKIP_FRAMES 1 // number of frames to skip when displaying animations (0 is full effect) if not defined defaults to 1 // #define RGB_MATRIX_MAXIMUM_BRIGHTNESS 200 // limits maximum brightness of LEDs to 200 out of 255. If not defined maximum brightness is set to 255 #define EECONFIG_RGB_MATRIX (uint32_t *)15 #endif diff --git a/lib/lib8tion/LICENSE b/lib/lib8tion/LICENSE new file mode 100644 index 000000000..ebe476330 --- /dev/null +++ b/lib/lib8tion/LICENSE @@ -0,0 +1,20 @@ +The MIT License (MIT) + +Copyright (c) 2013 FastLED + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/lib/lib8tion/lib8tion.c b/lib/lib8tion/lib8tion.c new file mode 100644 index 000000000..84b3e9c61 --- /dev/null +++ b/lib/lib8tion/lib8tion.c @@ -0,0 +1,242 @@ +#define FASTLED_INTERNAL +#include <stdint.h> + +#define RAND16_SEED 1337 +uint16_t rand16seed = RAND16_SEED; + + +// memset8, memcpy8, memmove8: +// optimized avr replacements for the standard "C" library +// routines memset, memcpy, and memmove. +// +// There are two techniques that make these routines +// faster than the standard avr-libc routines. +// First, the loops are unrolled 2X, meaning that +// the average loop overhead is cut in half. +// And second, the compare-and-branch at the bottom +// of each loop decrements the low byte of the +// counter, and if the carry is clear, it branches +// back up immediately. Only if the low byte math +// causes carry do we bother to decrement the high +// byte and check that result for carry as well. +// Results for a 100-byte buffer are 20-40% faster +// than standard avr-libc, at a cost of a few extra +// bytes of code. + +#if defined(__AVR__) +//__attribute__ ((noinline)) +void * memset8 ( void * ptr, uint8_t val, uint16_t num ) +{ + asm volatile( + " movw r26, %[ptr] \n\t" + " sbrs %A[num], 0 \n\t" + " rjmp Lseteven_%= \n\t" + " rjmp Lsetodd_%= \n\t" + "Lsetloop_%=: \n\t" + " st X+, %[val] \n\t" + "Lsetodd_%=: \n\t" + " st X+, %[val] \n\t" + "Lseteven_%=: \n\t" + " subi %A[num], 2 \n\t" + " brcc Lsetloop_%= \n\t" + " sbci %B[num], 0 \n\t" + " brcc Lsetloop_%= \n\t" + : [num] "+r" (num) + : [ptr] "r" (ptr), + [val] "r" (val) + : "memory" + ); + return ptr; +} + + + +//__attribute__ ((noinline)) +void * memcpy8 ( void * dst, const void* src, uint16_t num ) +{ + asm volatile( + " movw r30, %[src] \n\t" + " movw r26, %[dst] \n\t" + " sbrs %A[num], 0 \n\t" + " rjmp Lcpyeven_%= \n\t" + " rjmp Lcpyodd_%= \n\t" + "Lcpyloop_%=: \n\t" + " ld __tmp_reg__, Z+ \n\t" + " st X+, __tmp_reg__ \n\t" + "Lcpyodd_%=: \n\t" + " ld __tmp_reg__, Z+ \n\t" + " st X+, __tmp_reg__ \n\t" + "Lcpyeven_%=: \n\t" + " subi %A[num], 2 \n\t" + " brcc Lcpyloop_%= \n\t" + " sbci %B[num], 0 \n\t" + " brcc Lcpyloop_%= \n\t" + : [num] "+r" (num) + : [src] "r" (src), + [dst] "r" (dst) + : "memory" + ); + return dst; +} + +//__attribute__ ((noinline)) +void * memmove8 ( void * dst, const void* src, uint16_t num ) +{ + if( src > dst) { + // if src > dst then we can use the forward-stepping memcpy8 + return memcpy8( dst, src, num); + } else { + // if src < dst then we have to step backward: + dst = (char*)dst + num; + src = (char*)src + num; + asm volatile( + " movw r30, %[src] \n\t" + " movw r26, %[dst] \n\t" + " sbrs %A[num], 0 \n\t" + " rjmp Lmoveven_%= \n\t" + " rjmp Lmovodd_%= \n\t" + "Lmovloop_%=: \n\t" + " ld __tmp_reg__, -Z \n\t" + " st -X, __tmp_reg__ \n\t" + "Lmovodd_%=: \n\t" + " ld __tmp_reg__, -Z \n\t" + " st -X, __tmp_reg__ \n\t" + "Lmoveven_%=: \n\t" + " subi %A[num], 2 \n\t" + " brcc Lmovloop_%= \n\t" + " sbci %B[num], 0 \n\t" + " brcc Lmovloop_%= \n\t" + : [num] "+r" (num) + : [src] "r" (src), + [dst] "r" (dst) + : "memory" + ); + return dst; + } +} + +#endif /* AVR */ + + + + +#if 0 +// TEST / VERIFICATION CODE ONLY BELOW THIS POINT +#include <Arduino.h> +#include "lib8tion.h" + +void test1abs( int8_t i) +{ + Serial.print("abs("); Serial.print(i); Serial.print(") = "); + int8_t j = abs8(i); + Serial.print(j); Serial.println(" "); +} + +void testabs() +{ + delay(5000); + for( int8_t q = -128; q != 127; q++) { + test1abs(q); + } + for(;;){}; +} + + +void testmul8() +{ + delay(5000); + byte r, c; + + Serial.println("mul8:"); + for( r = 0; r <= 20; r += 1) { + Serial.print(r); Serial.print(" : "); + for( c = 0; c <= 20; c += 1) { + byte t; + t = mul8( r, c); + Serial.print(t); Serial.print(' '); + } + Serial.println(' '); + } + Serial.println("done."); + for(;;){}; +} + + +void testscale8() +{ + delay(5000); + byte r, c; + + Serial.println("scale8:"); + for( r = 0; r <= 240; r += 10) { + Serial.print(r); Serial.print(" : "); + for( c = 0; c <= 240; c += 10) { + byte t; + t = scale8( r, c); + Serial.print(t); Serial.print(' '); + } + Serial.println(' '); + } + + Serial.println(' '); + Serial.println("scale8_video:"); + + for( r = 0; r <= 100; r += 4) { + Serial.print(r); Serial.print(" : "); + for( c = 0; c <= 100; c += 4) { + byte t; + t = scale8_video( r, c); + Serial.print(t); Serial.print(' '); + } + Serial.println(' '); + } + + Serial.println("done."); + for(;;){}; +} + + + +void testqadd8() +{ + delay(5000); + byte r, c; + for( r = 0; r <= 240; r += 10) { + Serial.print(r); Serial.print(" : "); + for( c = 0; c <= 240; c += 10) { + byte t; + t = qadd8( r, c); + Serial.print(t); Serial.print(' '); + } + Serial.println(' '); + } + Serial.println("done."); + for(;;){}; +} + +void testnscale8x3() +{ + delay(5000); + byte r, g, b, sc; + for( byte z = 0; z < 10; z++) { + r = random8(); g = random8(); b = random8(); sc = random8(); + + Serial.print("nscale8x3_video( "); + Serial.print(r); Serial.print(", "); + Serial.print(g); Serial.print(", "); + Serial.print(b); Serial.print(", "); + Serial.print(sc); Serial.print(") = [ "); + + nscale8x3_video( r, g, b, sc); + + Serial.print(r); Serial.print(", "); + Serial.print(g); Serial.print(", "); + Serial.print(b); Serial.print("]"); + + Serial.println(' '); + } + Serial.println("done."); + for(;;){}; +} + +#endif diff --git a/lib/lib8tion/lib8tion.h b/lib/lib8tion/lib8tion.h new file mode 100644 index 000000000..d93c748e6 --- /dev/null +++ b/lib/lib8tion/lib8tion.h @@ -0,0 +1,934 @@ +#ifndef __INC_LIB8TION_H +#define __INC_LIB8TION_H + +/* + + Fast, efficient 8-bit math functions specifically + designed for high-performance LED programming. + + Because of the AVR(Arduino) and ARM assembly language + implementations provided, using these functions often + results in smaller and faster code than the equivalent + program using plain "C" arithmetic and logic. + + + Included are: + + + - Saturating unsigned 8-bit add and subtract. + Instead of wrapping around if an overflow occurs, + these routines just 'clamp' the output at a maxumum + of 255, or a minimum of 0. Useful for adding pixel + values. E.g., qadd8( 200, 100) = 255. + + qadd8( i, j) == MIN( (i + j), 0xFF ) + qsub8( i, j) == MAX( (i - j), 0 ) + + - Saturating signed 8-bit ("7-bit") add. + qadd7( i, j) == MIN( (i + j), 0x7F) + + + - Scaling (down) of unsigned 8- and 16- bit values. + Scaledown value is specified in 1/256ths. + scale8( i, sc) == (i * sc) / 256 + scale16by8( i, sc) == (i * sc) / 256 + + Example: scaling a 0-255 value down into a + range from 0-99: + downscaled = scale8( originalnumber, 100); + + A special version of scale8 is provided for scaling + LED brightness values, to make sure that they don't + accidentally scale down to total black at low + dimming levels, since that would look wrong: + scale8_video( i, sc) = ((i * sc) / 256) +? 1 + + Example: reducing an LED brightness by a + dimming factor: + new_bright = scale8_video( orig_bright, dimming); + + + - Fast 8- and 16- bit unsigned random numbers. + Significantly faster than Arduino random(), but + also somewhat less random. You can add entropy. + random8() == random from 0..255 + random8( n) == random from 0..(N-1) + random8( n, m) == random from N..(M-1) + + random16() == random from 0..65535 + random16( n) == random from 0..(N-1) + random16( n, m) == random from N..(M-1) + + random16_set_seed( k) == seed = k + random16_add_entropy( k) == seed += k + + + - Absolute value of a signed 8-bit value. + abs8( i) == abs( i) + + + - 8-bit math operations which return 8-bit values. + These are provided mostly for completeness, + not particularly for performance. + mul8( i, j) == (i * j) & 0xFF + add8( i, j) == (i + j) & 0xFF + sub8( i, j) == (i - j) & 0xFF + + + - Fast 16-bit approximations of sin and cos. + Input angle is a uint16_t from 0-65535. + Output is a signed int16_t from -32767 to 32767. + sin16( x) == sin( (x/32768.0) * pi) * 32767 + cos16( x) == cos( (x/32768.0) * pi) * 32767 + Accurate to more than 99% in all cases. + + - Fast 8-bit approximations of sin and cos. + Input angle is a uint8_t from 0-255. + Output is an UNsigned uint8_t from 0 to 255. + sin8( x) == (sin( (x/128.0) * pi) * 128) + 128 + cos8( x) == (cos( (x/128.0) * pi) * 128) + 128 + Accurate to within about 2%. + + + - Fast 8-bit "easing in/out" function. + ease8InOutCubic(x) == 3(x^i) - 2(x^3) + ease8InOutApprox(x) == + faster, rougher, approximation of cubic easing + ease8InOutQuad(x) == quadratic (vs cubic) easing + + - Cubic, Quadratic, and Triangle wave functions. + Input is a uint8_t representing phase withing the wave, + similar to how sin8 takes an angle 'theta'. + Output is a uint8_t representing the amplitude of + the wave at that point. + cubicwave8( x) + quadwave8( x) + triwave8( x) + + - Square root for 16-bit integers. About three times + faster and five times smaller than Arduino's built-in + generic 32-bit sqrt routine. + sqrt16( uint16_t x ) == sqrt( x) + + - Dimming and brightening functions for 8-bit + light values. + dim8_video( x) == scale8_video( x, x) + dim8_raw( x) == scale8( x, x) + dim8_lin( x) == (x<128) ? ((x+1)/2) : scale8(x,x) + brighten8_video( x) == 255 - dim8_video( 255 - x) + brighten8_raw( x) == 255 - dim8_raw( 255 - x) + brighten8_lin( x) == 255 - dim8_lin( 255 - x) + The dimming functions in particular are suitable + for making LED light output appear more 'linear'. + + + - Linear interpolation between two values, with the + fraction between them expressed as an 8- or 16-bit + fixed point fraction (fract8 or fract16). + lerp8by8( fromU8, toU8, fract8 ) + lerp16by8( fromU16, toU16, fract8 ) + lerp15by8( fromS16, toS16, fract8 ) + == from + (( to - from ) * fract8) / 256) + lerp16by16( fromU16, toU16, fract16 ) + == from + (( to - from ) * fract16) / 65536) + map8( in, rangeStart, rangeEnd) + == map( in, 0, 255, rangeStart, rangeEnd); + + - Optimized memmove, memcpy, and memset, that are + faster than standard avr-libc 1.8. + memmove8( dest, src, bytecount) + memcpy8( dest, src, bytecount) + memset8( buf, value, bytecount) + + - Beat generators which return sine or sawtooth + waves in a specified number of Beats Per Minute. + Sine wave beat generators can specify a low and + high range for the output. Sawtooth wave beat + generators always range 0-255 or 0-65535. + beatsin8( BPM, low8, high8) + = (sine(beatphase) * (high8-low8)) + low8 + beatsin16( BPM, low16, high16) + = (sine(beatphase) * (high16-low16)) + low16 + beatsin88( BPM88, low16, high16) + = (sine(beatphase) * (high16-low16)) + low16 + beat8( BPM) = 8-bit repeating sawtooth wave + beat16( BPM) = 16-bit repeating sawtooth wave + beat88( BPM88) = 16-bit repeating sawtooth wave + BPM is beats per minute in either simple form + e.g. 120, or Q8.8 fixed-point form. + BPM88 is beats per minute in ONLY Q8.8 fixed-point + form. + +Lib8tion is pronounced like 'libation': lie-BAY-shun + +*/ + + + +#include <stdint.h> + +#define LIB8STATIC __attribute__ ((unused)) static inline +#define LIB8STATIC_ALWAYS_INLINE __attribute__ ((always_inline)) static inline + +#if !defined(__AVR__) +#include <string.h> +// for memmove, memcpy, and memset if not defined here +#endif + +#if defined(__arm__) + +#if defined(FASTLED_TEENSY3) +// Can use Cortex M4 DSP instructions +#define QADD8_C 0 +#define QADD7_C 0 +#define QADD8_ARM_DSP_ASM 1 +#define QADD7_ARM_DSP_ASM 1 +#else +// Generic ARM +#define QADD8_C 1 +#define QADD7_C 1 +#endif + +#define QSUB8_C 1 +#define SCALE8_C 1 +#define SCALE16BY8_C 1 +#define SCALE16_C 1 +#define ABS8_C 1 +#define MUL8_C 1 +#define QMUL8_C 1 +#define ADD8_C 1 +#define SUB8_C 1 +#define EASE8_C 1 +#define AVG8_C 1 +#define AVG7_C 1 +#define AVG16_C 1 +#define AVG15_C 1 +#define BLEND8_C 1 + + +#elif defined(__AVR__) + +// AVR ATmega and friends Arduino + +#define QADD8_C 0 +#define QADD7_C 0 +#define QSUB8_C 0 +#define ABS8_C 0 +#define ADD8_C 0 +#define SUB8_C 0 +#define AVG8_C 0 +#define AVG7_C 0 +#define AVG16_C 0 +#define AVG15_C 0 + +#define QADD8_AVRASM 1 +#define QADD7_AVRASM 1 +#define QSUB8_AVRASM 1 +#define ABS8_AVRASM 1 +#define ADD8_AVRASM 1 +#define SUB8_AVRASM 1 +#define AVG8_AVRASM 1 +#define AVG7_AVRASM 1 +#define AVG16_AVRASM 1 +#define AVG15_AVRASM 1 + +// Note: these require hardware MUL instruction +// -- sorry, ATtiny! +#if !defined(LIB8_ATTINY) +#define SCALE8_C 0 +#define SCALE16BY8_C 0 +#define SCALE16_C 0 +#define MUL8_C 0 +#define QMUL8_C 0 +#define EASE8_C 0 +#define BLEND8_C 0 +#define SCALE8_AVRASM 1 +#define SCALE16BY8_AVRASM 1 +#define SCALE16_AVRASM 1 +#define MUL8_AVRASM 1 +#define QMUL8_AVRASM 1 +#define EASE8_AVRASM 1 +#define CLEANUP_R1_AVRASM 1 +#define BLEND8_AVRASM 1 +#else +// On ATtiny, we just use C implementations +#define SCALE8_C 1 +#define SCALE16BY8_C 1 +#define SCALE16_C 1 +#define MUL8_C 1 +#define QMUL8_C 1 +#define EASE8_C 1 +#define BLEND8_C 1 +#define SCALE8_AVRASM 0 +#define SCALE16BY8_AVRASM 0 +#define SCALE16_AVRASM 0 +#define MUL8_AVRASM 0 +#define QMUL8_AVRASM 0 +#define EASE8_AVRASM 0 +#define BLEND8_AVRASM 0 +#endif + +#else + +// unspecified architecture, so +// no ASM, everything in C +#define QADD8_C 1 +#define QADD7_C 1 +#define QSUB8_C 1 +#define SCALE8_C 1 +#define SCALE16BY8_C 1 +#define SCALE16_C 1 +#define ABS8_C 1 +#define MUL8_C 1 +#define QMUL8_C 1 +#define ADD8_C 1 +#define SUB8_C 1 +#define EASE8_C 1 +#define AVG8_C 1 +#define AVG7_C 1 +#define AVG16_C 1 +#define AVG15_C 1 +#define BLEND8_C 1 + +#endif + +///@defgroup lib8tion Fast math functions +///A variety of functions for working with numbers. +///@{ + + +/////////////////////////////////////////////////////////////////////// +// +// typdefs for fixed-point fractional types. +// +// sfract7 should be interpreted as signed 128ths. +// fract8 should be interpreted as unsigned 256ths. +// sfract15 should be interpreted as signed 32768ths. +// fract16 should be interpreted as unsigned 65536ths. +// +// Example: if a fract8 has the value "64", that should be interpreted +// as 64/256ths, or one-quarter. +// +// +// fract8 range is 0 to 0.99609375 +// in steps of 0.00390625 +// +// sfract7 range is -0.9921875 to 0.9921875 +// in steps of 0.0078125 +// +// fract16 range is 0 to 0.99998474121 +// in steps of 0.00001525878 +// +// sfract15 range is -0.99996948242 to 0.99996948242 +// in steps of 0.00003051757 +// + +/// ANSI unsigned short _Fract. range is 0 to 0.99609375 +/// in steps of 0.00390625 +typedef uint8_t fract8; ///< ANSI: unsigned short _Fract + +/// ANSI: signed short _Fract. range is -0.9921875 to 0.9921875 +/// in steps of 0.0078125 +typedef int8_t sfract7; ///< ANSI: signed short _Fract + +/// ANSI: unsigned _Fract. range is 0 to 0.99998474121 +/// in steps of 0.00001525878 +typedef uint16_t fract16; ///< ANSI: unsigned _Fract + +/// ANSI: signed _Fract. range is -0.99996948242 to 0.99996948242 +/// in steps of 0.00003051757 +typedef int16_t sfract15; ///< ANSI: signed _Fract + + +// accumXY types should be interpreted as X bits of integer, +// and Y bits of fraction. +// E.g., accum88 has 8 bits of int, 8 bits of fraction + +typedef uint16_t accum88; ///< ANSI: unsigned short _Accum. 8 bits int, 8 bits fraction +typedef int16_t saccum78; ///< ANSI: signed short _Accum. 7 bits int, 8 bits fraction +typedef uint32_t accum1616;///< ANSI: signed _Accum. 16 bits int, 16 bits fraction +typedef int32_t saccum1516;///< ANSI: signed _Accum. 15 bits int, 16 bits fraction +typedef uint16_t accum124; ///< no direct ANSI counterpart. 12 bits int, 4 bits fraction +typedef int32_t saccum114;///< no direct ANSI counterpart. 1 bit int, 14 bits fraction + + + +#include "math8.h" +#include "scale8.h" +#include "random8.h" +#include "trig8.h" + +/////////////////////////////////////////////////////////////////////// + + + + + + + +/////////////////////////////////////////////////////////////////////// +// +// float-to-fixed and fixed-to-float conversions +// +// Note that anything involving a 'float' on AVR will be slower. + +/// sfract15ToFloat: conversion from sfract15 fixed point to +/// IEEE754 32-bit float. +LIB8STATIC float sfract15ToFloat( sfract15 y) +{ + return y / 32768.0; +} + +/// conversion from IEEE754 float in the range (-1,1) +/// to 16-bit fixed point. Note that the extremes of +/// one and negative one are NOT representable. The +/// representable range is basically +LIB8STATIC sfract15 floatToSfract15( float f) +{ + return f * 32768.0; +} + + + +/////////////////////////////////////////////////////////////////////// +// +// memmove8, memcpy8, and memset8: +// alternatives to memmove, memcpy, and memset that are +// faster on AVR than standard avr-libc 1.8 + +#if defined(__AVR__) +void * memmove8( void * dst, const void * src, uint16_t num ); +void * memcpy8 ( void * dst, const void * src, uint16_t num ) __attribute__ ((noinline)); +void * memset8 ( void * ptr, uint8_t value, uint16_t num ) __attribute__ ((noinline)) ; +#else +// on non-AVR platforms, these names just call standard libc. +#define memmove8 memmove +#define memcpy8 memcpy +#define memset8 memset +#endif + + +/////////////////////////////////////////////////////////////////////// +// +// linear interpolation, such as could be used for Perlin noise, etc. +// + +// A note on the structure of the lerp functions: +// The cases for b>a and b<=a are handled separately for +// speed: without knowing the relative order of a and b, +// the value (a-b) might be overflow the width of a or b, +// and have to be promoted to a wider, slower type. +// To avoid that, we separate the two cases, and are able +// to do all the math in the same width as the arguments, +// which is much faster and smaller on AVR. + +/// linear interpolation between two unsigned 8-bit values, +/// with 8-bit fraction +LIB8STATIC uint8_t lerp8by8( uint8_t a, uint8_t b, fract8 frac) +{ + uint8_t result; + if( b > a) { + uint8_t delta = b - a; + uint8_t scaled = scale8( delta, frac); + result = a + scaled; + } else { + uint8_t delta = a - b; + uint8_t scaled = scale8( delta, frac); + result = a - scaled; + } + return result; +} + +/// linear interpolation between two unsigned 16-bit values, +/// with 16-bit fraction +LIB8STATIC uint16_t lerp16by16( uint16_t a, uint16_t b, fract16 frac) +{ + uint16_t result; + if( b > a ) { + uint16_t delta = b - a; + uint16_t scaled = scale16(delta, frac); + result = a + scaled; + } else { + uint16_t delta = a - b; + uint16_t scaled = scale16( delta, frac); + result = a - scaled; + } + return result; +} + +/// linear interpolation between two unsigned 16-bit values, +/// with 8-bit fraction +LIB8STATIC uint16_t lerp16by8( uint16_t a, uint16_t b, fract8 frac) +{ + uint16_t result; + if( b > a) { + uint16_t delta = b - a; + uint16_t scaled = scale16by8( delta, frac); + result = a + scaled; + } else { + uint16_t delta = a - b; + uint16_t scaled = scale16by8( delta, frac); + result = a - scaled; + } + return result; +} + +/// linear interpolation between two signed 15-bit values, +/// with 8-bit fraction +LIB8STATIC int16_t lerp15by8( int16_t a, int16_t b, fract8 frac) +{ + int16_t result; + if( b > a) { + uint16_t delta = b - a; + uint16_t scaled = scale16by8( delta, frac); + result = a + scaled; + } else { + uint16_t delta = a - b; + uint16_t scaled = scale16by8( delta, frac); + result = a - scaled; + } + return result; +} + +/// linear interpolation between two signed 15-bit values, +/// with 8-bit fraction +LIB8STATIC int16_t lerp15by16( int16_t a, int16_t b, fract16 frac) +{ + int16_t result; + if( b > a) { + uint16_t delta = b - a; + uint16_t scaled = scale16( delta, frac); + result = a + scaled; + } else { + uint16_t delta = a - b; + uint16_t scaled = scale16( delta, frac); + result = a - scaled; + } + return result; +} + +/// map8: map from one full-range 8-bit value into a narrower +/// range of 8-bit values, possibly a range of hues. +/// +/// E.g. map myValue into a hue in the range blue..purple..pink..red +/// hue = map8( myValue, HUE_BLUE, HUE_RED); +/// +/// Combines nicely with the waveform functions (like sin8, etc) +/// to produce continuous hue gradients back and forth: +/// +/// hue = map8( sin8( myValue), HUE_BLUE, HUE_RED); +/// +/// Mathematically simiar to lerp8by8, but arguments are more +/// like Arduino's "map"; this function is similar to +/// +/// map( in, 0, 255, rangeStart, rangeEnd) +/// +/// but faster and specifically designed for 8-bit values. +LIB8STATIC uint8_t map8( uint8_t in, uint8_t rangeStart, uint8_t rangeEnd) +{ + uint8_t rangeWidth = rangeEnd - rangeStart; + uint8_t out = scale8( in, rangeWidth); + out += rangeStart; + return out; +} + + +/////////////////////////////////////////////////////////////////////// +// +// easing functions; see http://easings.net +// + +/// ease8InOutQuad: 8-bit quadratic ease-in / ease-out function +/// Takes around 13 cycles on AVR +#if EASE8_C == 1 +LIB8STATIC uint8_t ease8InOutQuad( uint8_t i) +{ + uint8_t j = i; + if( j & 0x80 ) { + j = 255 - j; + } + uint8_t jj = scale8( j, j); + uint8_t jj2 = jj << 1; + if( i & 0x80 ) { + jj2 = 255 - jj2; + } + return jj2; +} + +#elif EASE8_AVRASM == 1 +// This AVR asm version of ease8InOutQuad preserves one more +// low-bit of precision than the C version, and is also slightly +// smaller and faster. +LIB8STATIC uint8_t ease8InOutQuad(uint8_t val) { + uint8_t j=val; + asm volatile ( + "sbrc %[val], 7 \n" + "com %[j] \n" + "mul %[j], %[j] \n" + "add r0, %[j] \n" + "ldi %[j], 0 \n" + "adc %[j], r1 \n" + "lsl r0 \n" // carry = high bit of low byte of mul product + "rol %[j] \n" // j = (j * 2) + carry // preserve add'l bit of precision + "sbrc %[val], 7 \n" + "com %[j] \n" + "clr __zero_reg__ \n" + : [j] "+&a" (j) + : [val] "a" (val) + : "r0", "r1" + ); + return j; +} + +#else +#error "No implementation for ease8InOutQuad available." +#endif + +/// ease16InOutQuad: 16-bit quadratic ease-in / ease-out function +// C implementation at this point +LIB8STATIC uint16_t ease16InOutQuad( uint16_t i) +{ + uint16_t j = i; + if( j & 0x8000 ) { + j = 65535 - j; + } + uint16_t jj = scale16( j, j); + uint16_t jj2 = jj << 1; + if( i & 0x8000 ) { + jj2 = 65535 - jj2; + } + return jj2; +} + + +/// ease8InOutCubic: 8-bit cubic ease-in / ease-out function +/// Takes around 18 cycles on AVR +LIB8STATIC fract8 ease8InOutCubic( fract8 i) +{ + uint8_t ii = scale8_LEAVING_R1_DIRTY( i, i); + uint8_t iii = scale8_LEAVING_R1_DIRTY( ii, i); + + uint16_t r1 = (3 * (uint16_t)(ii)) - ( 2 * (uint16_t)(iii)); + + /* the code generated for the above *'s automatically + cleans up R1, so there's no need to explicitily call + cleanup_R1(); */ + + uint8_t result = r1; + + // if we got "256", return 255: + if( r1 & 0x100 ) { + result = 255; + } + return result; +} + +/// ease8InOutApprox: fast, rough 8-bit ease-in/ease-out function +/// shaped approximately like 'ease8InOutCubic', +/// it's never off by more than a couple of percent +/// from the actual cubic S-curve, and it executes +/// more than twice as fast. Use when the cycles +/// are more important than visual smoothness. +/// Asm version takes around 7 cycles on AVR. + +#if EASE8_C == 1 +LIB8STATIC fract8 ease8InOutApprox( fract8 i) +{ + if( i < 64) { + // start with slope 0.5 + i /= 2; + } else if( i > (255 - 64)) { + // end with slope 0.5 + i = 255 - i; + i /= 2; + i = 255 - i; + } else { + // in the middle, use slope 192/128 = 1.5 + i -= 64; + i += (i / 2); + i += 32; + } + + return i; +} + +#elif EASE8_AVRASM == 1 +LIB8STATIC uint8_t ease8InOutApprox( fract8 i) +{ + // takes around 7 cycles on AVR + asm volatile ( + " subi %[i], 64 \n\t" + " cpi %[i], 128 \n\t" + " brcc Lshift_%= \n\t" + + // middle case + " mov __tmp_reg__, %[i] \n\t" + " lsr __tmp_reg__ \n\t" + " add %[i], __tmp_reg__ \n\t" + " subi %[i], 224 \n\t" + " rjmp Ldone_%= \n\t" + + // start or end case + "Lshift_%=: \n\t" + " lsr %[i] \n\t" + " subi %[i], 96 \n\t" + + "Ldone_%=: \n\t" + + : [i] "+&a" (i) + : + : "r0", "r1" + ); + return i; +} +#else +#error "No implementation for ease8 available." +#endif + + + +/// triwave8: triangle (sawtooth) wave generator. Useful for +/// turning a one-byte ever-increasing value into a +/// one-byte value that oscillates up and down. +/// +/// input output +/// 0..127 0..254 (positive slope) +/// 128..255 254..0 (negative slope) +/// +/// On AVR this function takes just three cycles. +/// +LIB8STATIC uint8_t triwave8(uint8_t in) +{ + if( in & 0x80) { + in = 255 - in; + } + uint8_t out = in << 1; + return out; +} + + +// quadwave8 and cubicwave8: S-shaped wave generators (like 'sine'). +// Useful for turning a one-byte 'counter' value into a +// one-byte oscillating value that moves smoothly up and down, +// with an 'acceleration' and 'deceleration' curve. +// +// These are even faster than 'sin8', and have +// slightly different curve shapes. +// + +/// quadwave8: quadratic waveform generator. Spends just a little more +/// time at the limits than 'sine' does. +LIB8STATIC uint8_t quadwave8(uint8_t in) +{ + return ease8InOutQuad( triwave8( in)); +} + +/// cubicwave8: cubic waveform generator. Spends visibly more time +/// at the limits than 'sine' does. +LIB8STATIC uint8_t cubicwave8(uint8_t in) +{ + return ease8InOutCubic( triwave8( in)); +} + +/// squarewave8: square wave generator. Useful for +/// turning a one-byte ever-increasing value +/// into a one-byte value that is either 0 or 255. +/// The width of the output 'pulse' is +/// determined by the pulsewidth argument: +/// +///~~~ +/// If pulsewidth is 255, output is always 255. +/// If pulsewidth < 255, then +/// if input < pulsewidth then output is 255 +/// if input >= pulsewidth then output is 0 +///~~~ +/// +/// the output looking like: +/// +///~~~ +/// 255 +--pulsewidth--+ +/// . | | +/// 0 0 +--------(256-pulsewidth)-------- +///~~~ +/// +/// @param in +/// @param pulsewidth +/// @returns square wave output +LIB8STATIC uint8_t squarewave8( uint8_t in, uint8_t pulsewidth) +{ + if( in < pulsewidth || (pulsewidth == 255)) { + return 255; + } else { + return 0; + } +} + + +// Beat generators - These functions produce waves at a given +// number of 'beats per minute'. Internally, they use +// the Arduino function 'millis' to track elapsed time. +// Accuracy is a bit better than one part in a thousand. +// +// beat8( BPM ) returns an 8-bit value that cycles 'BPM' times +// per minute, rising from 0 to 255, resetting to zero, +// rising up again, etc.. The output of this function +// is suitable for feeding directly into sin8, and cos8, +// triwave8, quadwave8, and cubicwave8. +// beat16( BPM ) returns a 16-bit value that cycles 'BPM' times +// per minute, rising from 0 to 65535, resetting to zero, +// rising up again, etc. The output of this function is +// suitable for feeding directly into sin16 and cos16. +// beat88( BPM88) is the same as beat16, except that the BPM88 argument +// MUST be in Q8.8 fixed point format, e.g. 120BPM must +// be specified as 120*256 = 30720. +// beatsin8( BPM, uint8_t low, uint8_t high) returns an 8-bit value that +// rises and falls in a sine wave, 'BPM' times per minute, +// between the values of 'low' and 'high'. +// beatsin16( BPM, uint16_t low, uint16_t high) returns a 16-bit value +// that rises and falls in a sine wave, 'BPM' times per +// minute, between the values of 'low' and 'high'. +// beatsin88( BPM88, ...) is the same as beatsin16, except that the +// BPM88 argument MUST be in Q8.8 fixed point format, +// e.g. 120BPM must be specified as 120*256 = 30720. +// +// BPM can be supplied two ways. The simpler way of specifying BPM is as +// a simple 8-bit integer from 1-255, (e.g., "120"). +// The more sophisticated way of specifying BPM allows for fractional +// "Q8.8" fixed point number (an 'accum88') with an 8-bit integer part and +// an 8-bit fractional part. The easiest way to construct this is to multiply +// a floating point BPM value (e.g. 120.3) by 256, (e.g. resulting in 30796 +// in this case), and pass that as the 16-bit BPM argument. +// "BPM88" MUST always be specified in Q8.8 format. +// +// Originally designed to make an entire animation project pulse with brightness. +// For that effect, add this line just above your existing call to "FastLED.show()": +// +// uint8_t bright = beatsin8( 60 /*BPM*/, 192 /*dimmest*/, 255 /*brightest*/ )); +// FastLED.setBrightness( bright ); +// FastLED.show(); +// +// The entire animation will now pulse between brightness 192 and 255 once per second. + + +// The beat generators need access to a millisecond counter. +// On Arduino, this is "millis()". On other platforms, you'll +// need to provide a function with this signature: +// uint32_t get_millisecond_timer(); +// that provides similar functionality. +// You can also force use of the get_millisecond_timer function +// by #defining USE_GET_MILLISECOND_TIMER. +#if (defined(ARDUINO) || defined(SPARK) || defined(FASTLED_HAS_MILLIS)) && !defined(USE_GET_MILLISECOND_TIMER) +// Forward declaration of Arduino function 'millis'. +//uint32_t millis(); +#define GET_MILLIS millis +#else +uint32_t get_millisecond_timer(void); +#define GET_MILLIS get_millisecond_timer +#endif + +// beat16 generates a 16-bit 'sawtooth' wave at a given BPM, +/// with BPM specified in Q8.8 fixed-point format; e.g. +/// for this function, 120 BPM MUST BE specified as +/// 120*256 = 30720. +/// If you just want to specify "120", use beat16 or beat8. +LIB8STATIC uint16_t beat88( accum88 beats_per_minute_88, uint32_t timebase) +{ + // BPM is 'beats per minute', or 'beats per 60000ms'. + // To avoid using the (slower) division operator, we + // want to convert 'beats per 60000ms' to 'beats per 65536ms', + // and then use a simple, fast bit-shift to divide by 65536. + // + // The ratio 65536:60000 is 279.620266667:256; we'll call it 280:256. + // The conversion is accurate to about 0.05%, more or less, + // e.g. if you ask for "120 BPM", you'll get about "119.93". + return (((GET_MILLIS()) - timebase) * beats_per_minute_88 * 280) >> 16; +} + +/// beat16 generates a 16-bit 'sawtooth' wave at a given BPM +LIB8STATIC uint16_t beat16( accum88 beats_per_minute, uint32_t timebase) +{ + // Convert simple 8-bit BPM's to full Q8.8 accum88's if needed + if( beats_per_minute < 256) beats_per_minute <<= 8; + return beat88(beats_per_minute, timebase); +} + +/// beat8 generates an 8-bit 'sawtooth' wave at a given BPM +LIB8STATIC uint8_t beat8( accum88 beats_per_minute, uint32_t timebase) +{ + return beat16( beats_per_minute, timebase) >> 8; +} + +/// beatsin88 generates a 16-bit sine wave at a given BPM, +/// that oscillates within a given range. +/// For this function, BPM MUST BE SPECIFIED as +/// a Q8.8 fixed-point value; e.g. 120BPM must be +/// specified as 120*256 = 30720. +/// If you just want to specify "120", use beatsin16 or beatsin8. +LIB8STATIC uint16_t beatsin88( accum88 beats_per_minute_88, uint16_t lowest, uint16_t highest, uint32_t timebase, uint16_t phase_offset) +{ + uint16_t beat = beat88( beats_per_minute_88, timebase); + uint16_t beatsin = (sin16( beat + phase_offset) + 32768); + uint16_t rangewidth = highest - lowest; + uint16_t scaledbeat = scale16( beatsin, rangewidth); + uint16_t result = lowest + scaledbeat; + return result; +} + +/// beatsin16 generates a 16-bit sine wave at a given BPM, +/// that oscillates within a given range. +LIB8STATIC uint16_t beatsin16(accum88 beats_per_minute, uint16_t lowest, uint16_t highest, uint32_t timebase, uint16_t phase_offset) +{ + uint16_t beat = beat16( beats_per_minute, timebase); + uint16_t beatsin = (sin16( beat + phase_offset) + 32768); + uint16_t rangewidth = highest - lowest; + uint16_t scaledbeat = scale16( beatsin, rangewidth); + uint16_t result = lowest + scaledbeat; + return result; +} + +/// beatsin8 generates an 8-bit sine wave at a given BPM, +/// that oscillates within a given range. +LIB8STATIC uint8_t beatsin8( accum88 beats_per_minute, uint8_t lowest, uint8_t highest, uint32_t timebase, uint8_t phase_offset) +{ + uint8_t beat = beat8( beats_per_minute, timebase); + uint8_t beatsin = sin8( beat + phase_offset); + uint8_t rangewidth = highest - lowest; + uint8_t scaledbeat = scale8( beatsin, rangewidth); + uint8_t result = lowest + scaledbeat; + return result; +} + + +/// Return the current seconds since boot in a 16-bit value. Used as part of the +/// "every N time-periods" mechanism +LIB8STATIC uint16_t seconds16(void) +{ + uint32_t ms = GET_MILLIS(); + uint16_t s16; + s16 = ms / 1000; + return s16; +} + +/// Return the current minutes since boot in a 16-bit value. Used as part of the +/// "every N time-periods" mechanism +LIB8STATIC uint16_t minutes16(void) +{ + uint32_t ms = GET_MILLIS(); + uint16_t m16; + m16 = (ms / (60000L)) & 0xFFFF; + return m16; +} + +/// Return the current hours since boot in an 8-bit value. Used as part of the +/// "every N time-periods" mechanism +LIB8STATIC uint8_t hours8(void) +{ + uint32_t ms = GET_MILLIS(); + uint8_t h8; + h8 = (ms / (3600000L)) & 0xFF; + return h8; +} + +///@} + +#endif diff --git a/lib/lib8tion/math8.h b/lib/lib8tion/math8.h new file mode 100644 index 000000000..8c6b6c227 --- /dev/null +++ b/lib/lib8tion/math8.h @@ -0,0 +1,552 @@ +#ifndef __INC_LIB8TION_MATH_H +#define __INC_LIB8TION_MATH_H + +#include "scale8.h" + +///@ingroup lib8tion + +///@defgroup Math Basic math operations +/// Fast, efficient 8-bit math functions specifically +/// designed for high-performance LED programming. +/// +/// Because of the AVR(Arduino) and ARM assembly language +/// implementations provided, using these functions often +/// results in smaller and faster code than the equivalent +/// program using plain "C" arithmetic and logic. +///@{ + + +/// add one byte to another, saturating at 0xFF +/// @param i - first byte to add +/// @param j - second byte to add +/// @returns the sum of i & j, capped at 0xFF +LIB8STATIC_ALWAYS_INLINE uint8_t qadd8( uint8_t i, uint8_t j) +{ +#if QADD8_C == 1 + uint16_t t = i + j; + if (t > 255) t = 255; + return t; +#elif QADD8_AVRASM == 1 + asm volatile( + /* First, add j to i, conditioning the C flag */ + "add %0, %1 \n\t" + + /* Now test the C flag. + If C is clear, we branch around a load of 0xFF into i. + If C is set, we go ahead and load 0xFF into i. + */ + "brcc L_%= \n\t" + "ldi %0, 0xFF \n\t" + "L_%=: " + : "+a" (i) + : "a" (j) ); + return i; +#elif QADD8_ARM_DSP_ASM == 1 + asm volatile( "uqadd8 %0, %0, %1" : "+r" (i) : "r" (j)); + return i; +#else +#error "No implementation for qadd8 available." +#endif +} + +/// Add one byte to another, saturating at 0x7F +/// @param i - first byte to add +/// @param j - second byte to add +/// @returns the sum of i & j, capped at 0xFF +LIB8STATIC_ALWAYS_INLINE int8_t qadd7( int8_t i, int8_t j) +{ +#if QADD7_C == 1 + int16_t t = i + j; + if (t > 127) t = 127; + return t; +#elif QADD7_AVRASM == 1 + asm volatile( + /* First, add j to i, conditioning the V flag */ + "add %0, %1 \n\t" + + /* Now test the V flag. + If V is clear, we branch around a load of 0x7F into i. + If V is set, we go ahead and load 0x7F into i. + */ + "brvc L_%= \n\t" + "ldi %0, 0x7F \n\t" + "L_%=: " + : "+a" (i) + : "a" (j) ); + + return i; +#elif QADD7_ARM_DSP_ASM == 1 + asm volatile( "qadd8 %0, %0, %1" : "+r" (i) : "r" (j)); + return i; +#else +#error "No implementation for qadd7 available." +#endif +} + +/// subtract one byte from another, saturating at 0x00 +/// @returns i - j with a floor of 0 +LIB8STATIC_ALWAYS_INLINE uint8_t qsub8( uint8_t i, uint8_t j) +{ +#if QSUB8_C == 1 + int16_t t = i - j; + if (t < 0) t = 0; + return t; +#elif QSUB8_AVRASM == 1 + + asm volatile( + /* First, subtract j from i, conditioning the C flag */ + "sub %0, %1 \n\t" + + /* Now test the C flag. + If C is clear, we branch around a load of 0x00 into i. + If C is set, we go ahead and load 0x00 into i. + */ + "brcc L_%= \n\t" + "ldi %0, 0x00 \n\t" + "L_%=: " + : "+a" (i) + : "a" (j) ); + + return i; +#else +#error "No implementation for qsub8 available." +#endif +} + +/// add one byte to another, with one byte result +LIB8STATIC_ALWAYS_INLINE uint8_t add8( uint8_t i, uint8_t j) +{ +#if ADD8_C == 1 + uint16_t t = i + j; + return t; +#elif ADD8_AVRASM == 1 + // Add j to i, period. + asm volatile( "add %0, %1" : "+a" (i) : "a" (j)); + return i; +#else +#error "No implementation for add8 available." +#endif +} + +/// add one byte to another, with one byte result +LIB8STATIC_ALWAYS_INLINE uint16_t add8to16( uint8_t i, uint16_t j) +{ +#if ADD8_C == 1 + uint16_t t = i + j; + return t; +#elif ADD8_AVRASM == 1 + // Add i(one byte) to j(two bytes) + asm volatile( "add %A[j], %[i] \n\t" + "adc %B[j], __zero_reg__ \n\t" + : [j] "+a" (j) + : [i] "a" (i) + ); + return i; +#else +#error "No implementation for add8to16 available." +#endif +} + + +/// subtract one byte from another, 8-bit result +LIB8STATIC_ALWAYS_INLINE uint8_t sub8( uint8_t i, uint8_t j) +{ +#if SUB8_C == 1 + int16_t t = i - j; + return t; +#elif SUB8_AVRASM == 1 + // Subtract j from i, period. + asm volatile( "sub %0, %1" : "+a" (i) : "a" (j)); + return i; +#else +#error "No implementation for sub8 available." +#endif +} + +/// Calculate an integer average of two unsigned +/// 8-bit integer values (uint8_t). +/// Fractional results are rounded down, e.g. avg8(20,41) = 30 +LIB8STATIC_ALWAYS_INLINE uint8_t avg8( uint8_t i, uint8_t j) +{ +#if AVG8_C == 1 + return (i + j) >> 1; +#elif AVG8_AVRASM == 1 + asm volatile( + /* First, add j to i, 9th bit overflows into C flag */ + "add %0, %1 \n\t" + /* Divide by two, moving C flag into high 8th bit */ + "ror %0 \n\t" + : "+a" (i) + : "a" (j) ); + return i; +#else +#error "No implementation for avg8 available." +#endif +} + +/// Calculate an integer average of two unsigned +/// 16-bit integer values (uint16_t). +/// Fractional results are rounded down, e.g. avg16(20,41) = 30 +LIB8STATIC_ALWAYS_INLINE uint16_t avg16( uint16_t i, uint16_t j) +{ +#if AVG16_C == 1 + return (uint32_t)((uint32_t)(i) + (uint32_t)(j)) >> 1; +#elif AVG16_AVRASM == 1 + asm volatile( + /* First, add jLo (heh) to iLo, 9th bit overflows into C flag */ + "add %A[i], %A[j] \n\t" + /* Now, add C + jHi to iHi, 17th bit overflows into C flag */ + "adc %B[i], %B[j] \n\t" + /* Divide iHi by two, moving C flag into high 16th bit, old 9th bit now in C */ + "ror %B[i] \n\t" + /* Divide iLo by two, moving C flag into high 8th bit */ + "ror %A[i] \n\t" + : [i] "+a" (i) + : [j] "a" (j) ); + return i; +#else +#error "No implementation for avg16 available." +#endif +} + + +/// Calculate an integer average of two signed 7-bit +/// integers (int8_t) +/// If the first argument is even, result is rounded down. +/// If the first argument is odd, result is result up. +LIB8STATIC_ALWAYS_INLINE int8_t avg7( int8_t i, int8_t j) +{ +#if AVG7_C == 1 + return ((i + j) >> 1) + (i & 0x1); +#elif AVG7_AVRASM == 1 + asm volatile( + "asr %1 \n\t" + "asr %0 \n\t" + "adc %0, %1 \n\t" + : "+a" (i) + : "a" (j) ); + return i; +#else +#error "No implementation for avg7 available." +#endif +} + +/// Calculate an integer average of two signed 15-bit +/// integers (int16_t) +/// If the first argument is even, result is rounded down. +/// If the first argument is odd, result is result up. +LIB8STATIC_ALWAYS_INLINE int16_t avg15( int16_t i, int16_t j) +{ +#if AVG15_C == 1 + return ((int32_t)((int32_t)(i) + (int32_t)(j)) >> 1) + (i & 0x1); +#elif AVG15_AVRASM == 1 + asm volatile( + /* first divide j by 2, throwing away lowest bit */ + "asr %B[j] \n\t" + "ror %A[j] \n\t" + /* now divide i by 2, with lowest bit going into C */ + "asr %B[i] \n\t" + "ror %A[i] \n\t" + /* add j + C to i */ + "adc %A[i], %A[j] \n\t" + "adc %B[i], %B[j] \n\t" + : [i] "+a" (i) + : [j] "a" (j) ); + return i; +#else +#error "No implementation for avg15 available." +#endif +} + + +/// Calculate the remainder of one unsigned 8-bit +/// value divided by anoter, aka A % M. +/// Implemented by repeated subtraction, which is +/// very compact, and very fast if A is 'probably' +/// less than M. If A is a large multiple of M, +/// the loop has to execute multiple times. However, +/// even in that case, the loop is only two +/// instructions long on AVR, i.e., quick. +LIB8STATIC_ALWAYS_INLINE uint8_t mod8( uint8_t a, uint8_t m) +{ +#if defined(__AVR__) + asm volatile ( + "L_%=: sub %[a],%[m] \n\t" + " brcc L_%= \n\t" + " add %[a],%[m] \n\t" + : [a] "+r" (a) + : [m] "r" (m) + ); +#else + while( a >= m) a -= m; +#endif + return a; +} + +/// Add two numbers, and calculate the modulo +/// of the sum and a third number, M. +/// In other words, it returns (A+B) % M. +/// It is designed as a compact mechanism for +/// incrementing a 'mode' switch and wrapping +/// around back to 'mode 0' when the switch +/// goes past the end of the available range. +/// e.g. if you have seven modes, this switches +/// to the next one and wraps around if needed: +/// mode = addmod8( mode, 1, 7); +///LIB8STATIC_ALWAYS_INLINESee 'mod8' for notes on performance. +LIB8STATIC uint8_t addmod8( uint8_t a, uint8_t b, uint8_t m) +{ +#if defined(__AVR__) + asm volatile ( + " add %[a],%[b] \n\t" + "L_%=: sub %[a],%[m] \n\t" + " brcc L_%= \n\t" + " add %[a],%[m] \n\t" + : [a] "+r" (a) + : [b] "r" (b), [m] "r" (m) + ); +#else + a += b; + while( a >= m) a -= m; +#endif + return a; +} + +/// Subtract two numbers, and calculate the modulo +/// of the difference and a third number, M. +/// In other words, it returns (A-B) % M. +/// It is designed as a compact mechanism for +/// incrementing a 'mode' switch and wrapping +/// around back to 'mode 0' when the switch +/// goes past the end of the available range. +/// e.g. if you have seven modes, this switches +/// to the next one and wraps around if needed: +/// mode = addmod8( mode, 1, 7); +///LIB8STATIC_ALWAYS_INLINESee 'mod8' for notes on performance. +LIB8STATIC uint8_t submod8( uint8_t a, uint8_t b, uint8_t m) +{ +#if defined(__AVR__) + asm volatile ( + " sub %[a],%[b] \n\t" + "L_%=: sub %[a],%[m] \n\t" + " brcc L_%= \n\t" + " add %[a],%[m] \n\t" + : [a] "+r" (a) + : [b] "r" (b), [m] "r" (m) + ); +#else + a -= b; + while( a >= m) a -= m; +#endif + return a; +} + +/// 8x8 bit multiplication, with 8 bit result +LIB8STATIC_ALWAYS_INLINE uint8_t mul8( uint8_t i, uint8_t j) +{ +#if MUL8_C == 1 + return ((uint16_t)i * (uint16_t)(j) ) & 0xFF; +#elif MUL8_AVRASM == 1 + asm volatile( + /* Multiply 8-bit i * 8-bit j, giving 16-bit r1,r0 */ + "mul %0, %1 \n\t" + /* Extract the LOW 8-bits (r0) */ + "mov %0, r0 \n\t" + /* Restore r1 to "0"; it's expected to always be that */ + "clr __zero_reg__ \n\t" + : "+a" (i) + : "a" (j) + : "r0", "r1"); + + return i; +#else +#error "No implementation for mul8 available." +#endif +} + + +/// saturating 8x8 bit multiplication, with 8 bit result +/// @returns the product of i * j, capping at 0xFF +LIB8STATIC_ALWAYS_INLINE uint8_t qmul8( uint8_t i, uint8_t j) +{ +#if QMUL8_C == 1 + int p = ((uint16_t)i * (uint16_t)(j) ); + if( p > 255) p = 255; + return p; +#elif QMUL8_AVRASM == 1 + asm volatile( + /* Multiply 8-bit i * 8-bit j, giving 16-bit r1,r0 */ + " mul %0, %1 \n\t" + /* If high byte of result is zero, all is well. */ + " tst r1 \n\t" + " breq Lnospill_%= \n\t" + /* If high byte of result > 0, saturate low byte to 0xFF */ + " ldi %0,0xFF \n\t" + " rjmp Ldone_%= \n\t" + "Lnospill_%=: \n\t" + /* Extract the LOW 8-bits (r0) */ + " mov %0, r0 \n\t" + "Ldone_%=: \n\t" + /* Restore r1 to "0"; it's expected to always be that */ + " clr __zero_reg__ \n\t" + : "+a" (i) + : "a" (j) + : "r0", "r1"); + + return i; +#else +#error "No implementation for qmul8 available." +#endif +} + + +/// take abs() of a signed 8-bit uint8_t +LIB8STATIC_ALWAYS_INLINE int8_t abs8( int8_t i) +{ +#if ABS8_C == 1 + if( i < 0) i = -i; + return i; +#elif ABS8_AVRASM == 1 + + + asm volatile( + /* First, check the high bit, and prepare to skip if it's clear */ + "sbrc %0, 7 \n" + + /* Negate the value */ + "neg %0 \n" + + : "+r" (i) : "r" (i) ); + return i; +#else +#error "No implementation for abs8 available." +#endif +} + +/// square root for 16-bit integers +/// About three times faster and five times smaller +/// than Arduino's general sqrt on AVR. +LIB8STATIC uint8_t sqrt16(uint16_t x) +{ + if( x <= 1) { + return x; + } + + uint8_t low = 1; // lower bound + uint8_t hi, mid; + + if( x > 7904) { + hi = 255; + } else { + hi = (x >> 5) + 8; // initial estimate for upper bound + } + + do { + mid = (low + hi) >> 1; + if ((uint16_t)(mid * mid) > x) { + hi = mid - 1; + } else { + if( mid == 255) { + return 255; + } + low = mid + 1; + } + } while (hi >= low); + + return low - 1; +} + +/// blend a variable proproportion(0-255) of one byte to another +/// @param a - the starting byte value +/// @param b - the byte value to blend toward +/// @param amountOfB - the proportion (0-255) of b to blend +/// @returns a byte value between a and b, inclusive +#if (FASTLED_BLEND_FIXED == 1) +LIB8STATIC uint8_t blend8( uint8_t a, uint8_t b, uint8_t amountOfB) +{ +#if BLEND8_C == 1 + uint16_t partial; + uint8_t result; + + uint8_t amountOfA = 255 - amountOfB; + + partial = (a * amountOfA); +#if (FASTLED_SCALE8_FIXED == 1) + partial += a; + //partial = add8to16( a, partial); +#endif + + partial += (b * amountOfB); +#if (FASTLED_SCALE8_FIXED == 1) + partial += b; + //partial = add8to16( b, partial); +#endif + + result = partial >> 8; + + return result; + +#elif BLEND8_AVRASM == 1 + uint16_t partial; + uint8_t result; + + asm volatile ( + /* partial = b * amountOfB */ + " mul %[b], %[amountOfB] \n\t" + " movw %A[partial], r0 \n\t" + + /* amountOfB (aka amountOfA) = 255 - amountOfB */ + " com %[amountOfB] \n\t" + + /* partial += a * amountOfB (aka amountOfA) */ + " mul %[a], %[amountOfB] \n\t" + + " add %A[partial], r0 \n\t" + " adc %B[partial], r1 \n\t" + + " clr __zero_reg__ \n\t" + +#if (FASTLED_SCALE8_FIXED == 1) + /* partial += a */ + " add %A[partial], %[a] \n\t" + " adc %B[partial], __zero_reg__ \n\t" + + // partial += b + " add %A[partial], %[b] \n\t" + " adc %B[partial], __zero_reg__ \n\t" +#endif + + : [partial] "=r" (partial), + [amountOfB] "+a" (amountOfB) + : [a] "a" (a), + [b] "a" (b) + : "r0", "r1" + ); + + result = partial >> 8; + + return result; + +#else +#error "No implementation for blend8 available." +#endif +} + +#else +LIB8STATIC uint8_t blend8( uint8_t a, uint8_t b, uint8_t amountOfB) +{ + // This version loses precision in the integer math + // and can actually return results outside of the range + // from a to b. Its use is not recommended. + uint8_t result; + uint8_t amountOfA = 255 - amountOfB; + result = scale8_LEAVING_R1_DIRTY( a, amountOfA) + + scale8_LEAVING_R1_DIRTY( b, amountOfB); + cleanup_R1(); + return result; +} +#endif + + +///@} +#endif diff --git a/lib/lib8tion/random8.h b/lib/lib8tion/random8.h new file mode 100644 index 000000000..7ee67cbb3 --- /dev/null +++ b/lib/lib8tion/random8.h @@ -0,0 +1,94 @@ +#ifndef __INC_LIB8TION_RANDOM_H +#define __INC_LIB8TION_RANDOM_H +///@ingroup lib8tion + +///@defgroup Random Fast random number generators +/// Fast 8- and 16- bit unsigned random numbers. +/// Significantly faster than Arduino random(), but +/// also somewhat less random. You can add entropy. +///@{ + +// X(n+1) = (2053 * X(n)) + 13849) +#define FASTLED_RAND16_2053 ((uint16_t)(2053)) +#define FASTLED_RAND16_13849 ((uint16_t)(13849)) + +/// random number seed +extern uint16_t rand16seed;// = RAND16_SEED; + +/// Generate an 8-bit random number +LIB8STATIC uint8_t random8(void) +{ + rand16seed = (rand16seed * FASTLED_RAND16_2053) + FASTLED_RAND16_13849; + // return the sum of the high and low bytes, for better + // mixing and non-sequential correlation + return (uint8_t)(((uint8_t)(rand16seed & 0xFF)) + + ((uint8_t)(rand16seed >> 8))); +} + +/// Generate a 16 bit random number +LIB8STATIC uint16_t random16(void) +{ + rand16seed = (rand16seed * FASTLED_RAND16_2053) + FASTLED_RAND16_13849; + return rand16seed; +} + +/// Generate an 8-bit random number between 0 and lim +/// @param lim the upper bound for the result +LIB8STATIC uint8_t random8_max(uint8_t lim) +{ + uint8_t r = random8(); + r = (r*lim) >> 8; + return r; +} + +/// Generate an 8-bit random number in the given range +/// @param min the lower bound for the random number +/// @param lim the upper bound for the random number +LIB8STATIC uint8_t random8_min_max(uint8_t min, uint8_t lim) +{ + uint8_t delta = lim - min; + uint8_t r = random8_max(delta) + min; + return r; +} + +/// Generate an 16-bit random number between 0 and lim +/// @param lim the upper bound for the result +LIB8STATIC uint16_t random16_max(uint16_t lim) +{ + uint16_t r = random16(); + uint32_t p = (uint32_t)lim * (uint32_t)r; + r = p >> 16; + return r; +} + +/// Generate an 16-bit random number in the given range +/// @param min the lower bound for the random number +/// @param lim the upper bound for the random number +LIB8STATIC uint16_t random16_min_max( uint16_t min, uint16_t lim) +{ + uint16_t delta = lim - min; + uint16_t r = random16_max(delta) + min; + return r; +} + +/// Set the 16-bit seed used for the random number generator +LIB8STATIC void random16_set_seed(uint16_t seed) +{ + rand16seed = seed; +} + +/// Get the current seed value for the random number generator +LIB8STATIC uint16_t random16_get_seed(void) +{ + return rand16seed; +} + +/// Add entropy into the random number generator +LIB8STATIC void random16_add_entropy(uint16_t entropy) +{ + rand16seed += entropy; +} + +///@} + +#endif diff --git a/lib/lib8tion/scale8.h b/lib/lib8tion/scale8.h new file mode 100644 index 000000000..9895fd4d7 --- /dev/null +++ b/lib/lib8tion/scale8.h @@ -0,0 +1,542 @@ +#ifndef __INC_LIB8TION_SCALE_H +#define __INC_LIB8TION_SCALE_H + +///@ingroup lib8tion + +///@defgroup Scaling Scaling functions +/// Fast, efficient 8-bit scaling functions specifically +/// designed for high-performance LED programming. +/// +/// Because of the AVR(Arduino) and ARM assembly language +/// implementations provided, using these functions often +/// results in smaller and faster code than the equivalent +/// program using plain "C" arithmetic and logic. +///@{ + +/// scale one byte by a second one, which is treated as +/// the numerator of a fraction whose denominator is 256 +/// In other words, it computes i * (scale / 256) +/// 4 clocks AVR with MUL, 2 clocks ARM +LIB8STATIC_ALWAYS_INLINE uint8_t scale8( uint8_t i, fract8 scale) +{ +#if SCALE8_C == 1 +#if (FASTLED_SCALE8_FIXED == 1) + return (((uint16_t)i) * (1+(uint16_t)(scale))) >> 8; +#else + return ((uint16_t)i * (uint16_t)(scale) ) >> 8; +#endif +#elif SCALE8_AVRASM == 1 +#if defined(LIB8_ATTINY) +#if (FASTLED_SCALE8_FIXED == 1) + uint8_t work=i; +#else + uint8_t work=0; +#endif + uint8_t cnt=0x80; + asm volatile( +#if (FASTLED_SCALE8_FIXED == 1) + " inc %[scale] \n\t" + " breq DONE_%= \n\t" + " clr %[work] \n\t" +#endif + "LOOP_%=: \n\t" + /*" sbrc %[scale], 0 \n\t" + " add %[work], %[i] \n\t" + " ror %[work] \n\t" + " lsr %[scale] \n\t" + " clc \n\t"*/ + " sbrc %[scale], 0 \n\t" + " add %[work], %[i] \n\t" + " ror %[work] \n\t" + " lsr %[scale] \n\t" + " lsr %[cnt] \n\t" + "brcc LOOP_%= \n\t" + "DONE_%=: \n\t" + : [work] "+r" (work), [cnt] "+r" (cnt) + : [scale] "r" (scale), [i] "r" (i) + : + ); + return work; +#else + asm volatile( +#if (FASTLED_SCALE8_FIXED==1) + // Multiply 8-bit i * 8-bit scale, giving 16-bit r1,r0 + "mul %0, %1 \n\t" + // Add i to r0, possibly setting the carry flag + "add r0, %0 \n\t" + // load the immediate 0 into i (note, this does _not_ touch any flags) + "ldi %0, 0x00 \n\t" + // walk and chew gum at the same time + "adc %0, r1 \n\t" +#else + /* Multiply 8-bit i * 8-bit scale, giving 16-bit r1,r0 */ + "mul %0, %1 \n\t" + /* Move the high 8-bits of the product (r1) back to i */ + "mov %0, r1 \n\t" + /* Restore r1 to "0"; it's expected to always be that */ +#endif + "clr __zero_reg__ \n\t" + + : "+a" (i) /* writes to i */ + : "a" (scale) /* uses scale */ + : "r0", "r1" /* clobbers r0, r1 */ ); + + /* Return the result */ + return i; +#endif +#else +#error "No implementation for scale8 available." +#endif +} + + +/// The "video" version of scale8 guarantees that the output will +/// be only be zero if one or both of the inputs are zero. If both +/// inputs are non-zero, the output is guaranteed to be non-zero. +/// This makes for better 'video'/LED dimming, at the cost of +/// several additional cycles. +LIB8STATIC_ALWAYS_INLINE uint8_t scale8_video( uint8_t i, fract8 scale) +{ +#if SCALE8_C == 1 || defined(LIB8_ATTINY) + uint8_t j = (((int)i * (int)scale) >> 8) + ((i&&scale)?1:0); + // uint8_t nonzeroscale = (scale != 0) ? 1 : 0; + // uint8_t j = (i == 0) ? 0 : (((int)i * (int)(scale) ) >> 8) + nonzeroscale; + return j; +#elif SCALE8_AVRASM == 1 + uint8_t j=0; + asm volatile( + " tst %[i]\n\t" + " breq L_%=\n\t" + " mul %[i], %[scale]\n\t" + " mov %[j], r1\n\t" + " clr __zero_reg__\n\t" + " cpse %[scale], r1\n\t" + " subi %[j], 0xFF\n\t" + "L_%=: \n\t" + : [j] "+a" (j) + : [i] "a" (i), [scale] "a" (scale) + : "r0", "r1"); + + return j; + // uint8_t nonzeroscale = (scale != 0) ? 1 : 0; + // asm volatile( + // " tst %0 \n" + // " breq L_%= \n" + // " mul %0, %1 \n" + // " mov %0, r1 \n" + // " add %0, %2 \n" + // " clr __zero_reg__ \n" + // "L_%=: \n" + + // : "+a" (i) + // : "a" (scale), "a" (nonzeroscale) + // : "r0", "r1"); + + // // Return the result + // return i; +#else +#error "No implementation for scale8_video available." +#endif +} + + +/// This version of scale8 does not clean up the R1 register on AVR +/// If you are doing several 'scale8's in a row, use this, and +/// then explicitly call cleanup_R1. +LIB8STATIC_ALWAYS_INLINE uint8_t scale8_LEAVING_R1_DIRTY( uint8_t i, fract8 scale) +{ +#if SCALE8_C == 1 +#if (FASTLED_SCALE8_FIXED == 1) + return (((uint16_t)i) * ((uint16_t)(scale)+1)) >> 8; +#else + return ((int)i * (int)(scale) ) >> 8; +#endif +#elif SCALE8_AVRASM == 1 + asm volatile( + #if (FASTLED_SCALE8_FIXED==1) + // Multiply 8-bit i * 8-bit scale, giving 16-bit r1,r0 + "mul %0, %1 \n\t" + // Add i to r0, possibly setting the carry flag + "add r0, %0 \n\t" + // load the immediate 0 into i (note, this does _not_ touch any flags) + "ldi %0, 0x00 \n\t" + // walk and chew gum at the same time + "adc %0, r1 \n\t" + #else + /* Multiply 8-bit i * 8-bit scale, giving 16-bit r1,r0 */ + "mul %0, %1 \n\t" + /* Move the high 8-bits of the product (r1) back to i */ + "mov %0, r1 \n\t" + #endif + /* R1 IS LEFT DIRTY HERE; YOU MUST ZERO IT OUT YOURSELF */ + /* "clr __zero_reg__ \n\t" */ + + : "+a" (i) /* writes to i */ + : "a" (scale) /* uses scale */ + : "r0", "r1" /* clobbers r0, r1 */ ); + + // Return the result + return i; +#else +#error "No implementation for scale8_LEAVING_R1_DIRTY available." +#endif +} + + +/// This version of scale8_video does not clean up the R1 register on AVR +/// If you are doing several 'scale8_video's in a row, use this, and +/// then explicitly call cleanup_R1. +LIB8STATIC_ALWAYS_INLINE uint8_t scale8_video_LEAVING_R1_DIRTY( uint8_t i, fract8 scale) +{ +#if SCALE8_C == 1 || defined(LIB8_ATTINY) + uint8_t j = (((int)i * (int)scale) >> 8) + ((i&&scale)?1:0); + // uint8_t nonzeroscale = (scale != 0) ? 1 : 0; + // uint8_t j = (i == 0) ? 0 : (((int)i * (int)(scale) ) >> 8) + nonzeroscale; + return j; +#elif SCALE8_AVRASM == 1 + uint8_t j=0; + asm volatile( + " tst %[i]\n\t" + " breq L_%=\n\t" + " mul %[i], %[scale]\n\t" + " mov %[j], r1\n\t" + " breq L_%=\n\t" + " subi %[j], 0xFF\n\t" + "L_%=: \n\t" + : [j] "+a" (j) + : [i] "a" (i), [scale] "a" (scale) + : "r0", "r1"); + + return j; + // uint8_t nonzeroscale = (scale != 0) ? 1 : 0; + // asm volatile( + // " tst %0 \n" + // " breq L_%= \n" + // " mul %0, %1 \n" + // " mov %0, r1 \n" + // " add %0, %2 \n" + // " clr __zero_reg__ \n" + // "L_%=: \n" + + // : "+a" (i) + // : "a" (scale), "a" (nonzeroscale) + // : "r0", "r1"); + + // // Return the result + // return i; +#else +#error "No implementation for scale8_video_LEAVING_R1_DIRTY available." +#endif +} + +/// Clean up the r1 register after a series of *LEAVING_R1_DIRTY calls +LIB8STATIC_ALWAYS_INLINE void cleanup_R1(void) +{ +#if CLEANUP_R1_AVRASM == 1 + // Restore r1 to "0"; it's expected to always be that + asm volatile( "clr __zero_reg__ \n\t" : : : "r1" ); +#endif +} + + +/// scale a 16-bit unsigned value by an 8-bit value, +/// considered as numerator of a fraction whose denominator +/// is 256. In other words, it computes i * (scale / 256) + +LIB8STATIC_ALWAYS_INLINE uint16_t scale16by8( uint16_t i, fract8 scale ) +{ +#if SCALE16BY8_C == 1 + uint16_t result; +#if FASTLED_SCALE8_FIXED == 1 + result = (i * (1+((uint16_t)scale))) >> 8; +#else + result = (i * scale) / 256; +#endif + return result; +#elif SCALE16BY8_AVRASM == 1 +#if FASTLED_SCALE8_FIXED == 1 + uint16_t result = 0; + asm volatile( + // result.A = HighByte( (i.A x scale) + i.A ) + " mul %A[i], %[scale] \n\t" + " add r0, %A[i] \n\t" + // " adc r1, [zero] \n\t" + // " mov %A[result], r1 \n\t" + " adc %A[result], r1 \n\t" + + // result.A-B += i.B x scale + " mul %B[i], %[scale] \n\t" + " add %A[result], r0 \n\t" + " adc %B[result], r1 \n\t" + + // cleanup r1 + " clr __zero_reg__ \n\t" + + // result.A-B += i.B + " add %A[result], %B[i] \n\t" + " adc %B[result], __zero_reg__ \n\t" + + : [result] "+r" (result) + : [i] "r" (i), [scale] "r" (scale) + : "r0", "r1" + ); + return result; +#else + uint16_t result = 0; + asm volatile( + // result.A = HighByte(i.A x j ) + " mul %A[i], %[scale] \n\t" + " mov %A[result], r1 \n\t" + //" clr %B[result] \n\t" + + // result.A-B += i.B x j + " mul %B[i], %[scale] \n\t" + " add %A[result], r0 \n\t" + " adc %B[result], r1 \n\t" + + // cleanup r1 + " clr __zero_reg__ \n\t" + + : [result] "+r" (result) + : [i] "r" (i), [scale] "r" (scale) + : "r0", "r1" + ); + return result; +#endif +#else + #error "No implementation for scale16by8 available." +#endif +} + +/// scale a 16-bit unsigned value by a 16-bit value, +/// considered as numerator of a fraction whose denominator +/// is 65536. In other words, it computes i * (scale / 65536) + +LIB8STATIC uint16_t scale16( uint16_t i, fract16 scale ) +{ + #if SCALE16_C == 1 + uint16_t result; +#if FASTLED_SCALE8_FIXED == 1 + result = ((uint32_t)(i) * (1+(uint32_t)(scale))) / 65536; +#else + result = ((uint32_t)(i) * (uint32_t)(scale)) / 65536; +#endif + return result; +#elif SCALE16_AVRASM == 1 +#if FASTLED_SCALE8_FIXED == 1 + // implemented sort of like + // result = ((i * scale) + i ) / 65536 + // + // why not like this, you may ask? + // result = (i * (scale+1)) / 65536 + // the answer is that if scale is 65535, then scale+1 + // will be zero, which is not what we want. + uint32_t result; + asm volatile( + // result.A-B = i.A x scale.A + " mul %A[i], %A[scale] \n\t" + // save results... + // basic idea: + //" mov %A[result], r0 \n\t" + //" mov %B[result], r1 \n\t" + // which can be written as... + " movw %A[result], r0 \n\t" + // Because we're going to add i.A-B to + // result.A-D, we DO need to keep both + // the r0 and r1 portions of the product + // UNlike in the 'unfixed scale8' version. + // So the movw here is needed. + : [result] "=r" (result) + : [i] "r" (i), + [scale] "r" (scale) + : "r0", "r1" + ); + + asm volatile( + // result.C-D = i.B x scale.B + " mul %B[i], %B[scale] \n\t" + //" mov %C[result], r0 \n\t" + //" mov %D[result], r1 \n\t" + " movw %C[result], r0 \n\t" + : [result] "+r" (result) + : [i] "r" (i), + [scale] "r" (scale) + : "r0", "r1" + ); + + const uint8_t zero = 0; + asm volatile( + // result.B-D += i.B x scale.A + " mul %B[i], %A[scale] \n\t" + + " add %B[result], r0 \n\t" + " adc %C[result], r1 \n\t" + " adc %D[result], %[zero] \n\t" + + // result.B-D += i.A x scale.B + " mul %A[i], %B[scale] \n\t" + + " add %B[result], r0 \n\t" + " adc %C[result], r1 \n\t" + " adc %D[result], %[zero] \n\t" + + // cleanup r1 + " clr r1 \n\t" + + : [result] "+r" (result) + : [i] "r" (i), + [scale] "r" (scale), + [zero] "r" (zero) + : "r0", "r1" + ); + + asm volatile( + // result.A-D += i.A-B + " add %A[result], %A[i] \n\t" + " adc %B[result], %B[i] \n\t" + " adc %C[result], %[zero] \n\t" + " adc %D[result], %[zero] \n\t" + : [result] "+r" (result) + : [i] "r" (i), + [zero] "r" (zero) + ); + + result = result >> 16; + return result; +#else + uint32_t result; + asm volatile( + // result.A-B = i.A x scale.A + " mul %A[i], %A[scale] \n\t" + // save results... + // basic idea: + //" mov %A[result], r0 \n\t" + //" mov %B[result], r1 \n\t" + // which can be written as... + " movw %A[result], r0 \n\t" + // We actually don't need to do anything with r0, + // as result.A is never used again here, so we + // could just move the high byte, but movw is + // one clock cycle, just like mov, so might as + // well, in case we want to use this code for + // a generic 16x16 multiply somewhere. + + : [result] "=r" (result) + : [i] "r" (i), + [scale] "r" (scale) + : "r0", "r1" + ); + + asm volatile( + // result.C-D = i.B x scale.B + " mul %B[i], %B[scale] \n\t" + //" mov %C[result], r0 \n\t" + //" mov %D[result], r1 \n\t" + " movw %C[result], r0 \n\t" + : [result] "+r" (result) + : [i] "r" (i), + [scale] "r" (scale) + : "r0", "r1" + ); + + const uint8_t zero = 0; + asm volatile( + // result.B-D += i.B x scale.A + " mul %B[i], %A[scale] \n\t" + + " add %B[result], r0 \n\t" + " adc %C[result], r1 \n\t" + " adc %D[result], %[zero] \n\t" + + // result.B-D += i.A x scale.B + " mul %A[i], %B[scale] \n\t" + + " add %B[result], r0 \n\t" + " adc %C[result], r1 \n\t" + " adc %D[result], %[zero] \n\t" + + // cleanup r1 + " clr r1 \n\t" + + : [result] "+r" (result) + : [i] "r" (i), + [scale] "r" (scale), + [zero] "r" (zero) + : "r0", "r1" + ); + + result = result >> 16; + return result; +#endif +#else + #error "No implementation for scale16 available." +#endif +} +///@} + +///@defgroup Dimming Dimming and brightening functions +/// +/// Dimming and brightening functions +/// +/// The eye does not respond in a linear way to light. +/// High speed PWM'd LEDs at 50% duty cycle appear far +/// brighter then the 'half as bright' you might expect. +/// +/// If you want your midpoint brightness leve (128) to +/// appear half as bright as 'full' brightness (255), you +/// have to apply a 'dimming function'. +///@{ + +/// Adjust a scaling value for dimming +LIB8STATIC uint8_t dim8_raw( uint8_t x) +{ + return scale8( x, x); +} + +/// Adjust a scaling value for dimming for video (value will never go below 1) +LIB8STATIC uint8_t dim8_video( uint8_t x) +{ + return scale8_video( x, x); +} + +/// Linear version of the dimming function that halves for values < 128 +LIB8STATIC uint8_t dim8_lin( uint8_t x ) +{ + if( x & 0x80 ) { + x = scale8( x, x); + } else { + x += 1; + x /= 2; + } + return x; +} + +/// inverse of the dimming function, brighten a value +LIB8STATIC uint8_t brighten8_raw( uint8_t x) +{ + uint8_t ix = 255 - x; + return 255 - scale8( ix, ix); +} + +/// inverse of the dimming function, brighten a value +LIB8STATIC uint8_t brighten8_video( uint8_t x) +{ + uint8_t ix = 255 - x; + return 255 - scale8_video( ix, ix); +} + +/// inverse of the dimming function, brighten a value +LIB8STATIC uint8_t brighten8_lin( uint8_t x ) +{ + uint8_t ix = 255 - x; + if( ix & 0x80 ) { + ix = scale8( ix, ix); + } else { + ix += 1; + ix /= 2; + } + return 255 - ix; +} + +///@} +#endif diff --git a/lib/lib8tion/trig8.h b/lib/lib8tion/trig8.h new file mode 100644 index 000000000..4907c6ff3 --- /dev/null +++ b/lib/lib8tion/trig8.h @@ -0,0 +1,259 @@ +#ifndef __INC_LIB8TION_TRIG_H +#define __INC_LIB8TION_TRIG_H + +///@ingroup lib8tion + +///@defgroup Trig Fast trig functions +/// Fast 8 and 16-bit approximations of sin(x) and cos(x). +/// Don't use these approximations for calculating the +/// trajectory of a rocket to Mars, but they're great +/// for art projects and LED displays. +/// +/// On Arduino/AVR, the 16-bit approximation is more than +/// 10X faster than floating point sin(x) and cos(x), while +/// the 8-bit approximation is more than 20X faster. +///@{ + +#if defined(__AVR__) +#define sin16 sin16_avr +#else +#define sin16 sin16_C +#endif + +/// Fast 16-bit approximation of sin(x). This approximation never varies more than +/// 0.69% from the floating point value you'd get by doing +/// +/// float s = sin(x) * 32767.0; +/// +/// @param theta input angle from 0-65535 +/// @returns sin of theta, value between -32767 to 32767. +LIB8STATIC int16_t sin16_avr( uint16_t theta ) +{ + static const uint8_t data[] = + { 0, 0, 49, 0, 6393%256, 6393/256, 48, 0, + 12539%256, 12539/256, 44, 0, 18204%256, 18204/256, 38, 0, + 23170%256, 23170/256, 31, 0, 27245%256, 27245/256, 23, 0, + 30273%256, 30273/256, 14, 0, 32137%256, 32137/256, 4 /*,0*/ }; + + uint16_t offset = (theta & 0x3FFF); + + // AVR doesn't have a multi-bit shift instruction, + // so if we say "offset >>= 3", gcc makes a tiny loop. + // Inserting empty volatile statements between each + // bit shift forces gcc to unroll the loop. + offset >>= 1; // 0..8191 + asm volatile(""); + offset >>= 1; // 0..4095 + asm volatile(""); + offset >>= 1; // 0..2047 + + if( theta & 0x4000 ) offset = 2047 - offset; + + uint8_t sectionX4; + sectionX4 = offset / 256; + sectionX4 *= 4; + + uint8_t m; + + union { + uint16_t b; + struct { + uint8_t blo; + uint8_t bhi; + }; + } u; + + //in effect u.b = blo + (256 * bhi); + u.blo = data[ sectionX4 ]; + u.bhi = data[ sectionX4 + 1]; + m = data[ sectionX4 + 2]; + + uint8_t secoffset8 = (uint8_t)(offset) / 2; + + uint16_t mx = m * secoffset8; + + int16_t y = mx + u.b; + if( theta & 0x8000 ) y = -y; + + return y; +} + +/// Fast 16-bit approximation of sin(x). This approximation never varies more than +/// 0.69% from the floating point value you'd get by doing +/// +/// float s = sin(x) * 32767.0; +/// +/// @param theta input angle from 0-65535 +/// @returns sin of theta, value between -32767 to 32767. +LIB8STATIC int16_t sin16_C( uint16_t theta ) +{ + static const uint16_t base[] = + { 0, 6393, 12539, 18204, 23170, 27245, 30273, 32137 }; + static const uint8_t slope[] = + { 49, 48, 44, 38, 31, 23, 14, 4 }; + + uint16_t offset = (theta & 0x3FFF) >> 3; // 0..2047 + if( theta & 0x4000 ) offset = 2047 - offset; + + uint8_t section = offset / 256; // 0..7 + uint16_t b = base[section]; + uint8_t m = slope[section]; + + uint8_t secoffset8 = (uint8_t)(offset) / 2; + + uint16_t mx = m * secoffset8; + int16_t y = mx + b; + + if( theta & 0x8000 ) y = -y; + + return y; +} + + +/// Fast 16-bit approximation of cos(x). This approximation never varies more than +/// 0.69% from the floating point value you'd get by doing +/// +/// float s = cos(x) * 32767.0; +/// +/// @param theta input angle from 0-65535 +/// @returns sin of theta, value between -32767 to 32767. +LIB8STATIC int16_t cos16( uint16_t theta) +{ + return sin16( theta + 16384); +} + +/////////////////////////////////////////////////////////////////////// + +// sin8 & cos8 +// Fast 8-bit approximations of sin(x) & cos(x). +// Input angle is an unsigned int from 0-255. +// Output is an unsigned int from 0 to 255. +// +// This approximation can vary to to 2% +// from the floating point value you'd get by doing +// float s = (sin( x ) * 128.0) + 128; +// +// Don't use this approximation for calculating the +// "real" trigonometric calculations, but it's great +// for art projects and LED displays. +// +// On Arduino/AVR, this approximation is more than +// 20X faster than floating point sin(x) and cos(x) + +#if defined(__AVR__) && !defined(LIB8_ATTINY) +#define sin8 sin8_avr +#else +#define sin8 sin8_C +#endif + + +const uint8_t b_m16_interleave[] = { 0, 49, 49, 41, 90, 27, 117, 10 }; + +/// Fast 8-bit approximation of sin(x). This approximation never varies more than +/// 2% from the floating point value you'd get by doing +/// +/// float s = (sin(x) * 128.0) + 128; +/// +/// @param theta input angle from 0-255 +/// @returns sin of theta, value between 0 and 255 +LIB8STATIC uint8_t sin8_avr( uint8_t theta) +{ + uint8_t offset = theta; + + asm volatile( + "sbrc %[theta],6 \n\t" + "com %[offset] \n\t" + : [theta] "+r" (theta), [offset] "+r" (offset) + ); + + offset &= 0x3F; // 0..63 + + uint8_t secoffset = offset & 0x0F; // 0..15 + if( theta & 0x40) secoffset++; + + uint8_t m16; uint8_t b; + + uint8_t section = offset >> 4; // 0..3 + uint8_t s2 = section * 2; + + const uint8_t* p = b_m16_interleave; + p += s2; + b = *p; + p++; + m16 = *p; + + uint8_t mx; + uint8_t xr1; + asm volatile( + "mul %[m16],%[secoffset] \n\t" + "mov %[mx],r0 \n\t" + "mov %[xr1],r1 \n\t" + "eor r1, r1 \n\t" + "swap %[mx] \n\t" + "andi %[mx],0x0F \n\t" + "swap %[xr1] \n\t" + "andi %[xr1], 0xF0 \n\t" + "or %[mx], %[xr1] \n\t" + : [mx] "=d" (mx), [xr1] "=d" (xr1) + : [m16] "d" (m16), [secoffset] "d" (secoffset) + ); + + int8_t y = mx + b; + if( theta & 0x80 ) y = -y; + + y += 128; + + return y; +} + + +/// Fast 8-bit approximation of sin(x). This approximation never varies more than +/// 2% from the floating point value you'd get by doing +/// +/// float s = (sin(x) * 128.0) + 128; +/// +/// @param theta input angle from 0-255 +/// @returns sin of theta, value between 0 and 255 +LIB8STATIC uint8_t sin8_C( uint8_t theta) +{ + uint8_t offset = theta; + if( theta & 0x40 ) { + offset = (uint8_t)255 - offset; + } + offset &= 0x3F; // 0..63 + + uint8_t secoffset = offset & 0x0F; // 0..15 + if( theta & 0x40) secoffset++; + + uint8_t section = offset >> 4; // 0..3 + uint8_t s2 = section * 2; + const uint8_t* p = b_m16_interleave; + p += s2; + uint8_t b = *p; + p++; + uint8_t m16 = *p; + + uint8_t mx = (m16 * secoffset) >> 4; + + int8_t y = mx + b; + if( theta & 0x80 ) y = -y; + + y += 128; + + return y; +} + +/// Fast 8-bit approximation of cos(x). This approximation never varies more than +/// 2% from the floating point value you'd get by doing +/// +/// float s = (cos(x) * 128.0) + 128; +/// +/// @param theta input angle from 0-255 +/// @returns sin of theta, value between 0 and 255 +LIB8STATIC uint8_t cos8( uint8_t theta) +{ + return sin8( theta + 64); +} + +///@} +#endif diff --git a/quantum/color.c b/quantum/color.c index 8ede053e7..c49877592 100644 --- a/quantum/color.c +++ b/quantum/color.c @@ -78,9 +78,11 @@ RGB hsv_to_rgb( HSV hsv ) break; } +#ifdef USE_CIE1931_CURVE rgb.r = pgm_read_byte( &CIE1931_CURVE[rgb.r] ); rgb.g = pgm_read_byte( &CIE1931_CURVE[rgb.g] ); rgb.b = pgm_read_byte( &CIE1931_CURVE[rgb.b] ); +#endif return rgb; } diff --git a/quantum/quantum.c b/quantum/quantum.c index 8316d1f06..8c928441c 100644 --- a/quantum/quantum.c +++ b/quantum/quantum.c @@ -274,10 +274,10 @@ bool process_record_quantum(keyrecord_t *record) { #ifdef HAPTIC_ENABLE process_haptic(keycode, record) && #endif //HAPTIC_ENABLE - process_record_kb(keycode, record) && - #if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_KEYPRESSES) + #if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_KEYREACTIVE_ENABLED) process_rgb_matrix(keycode, record) && #endif + process_record_kb(keycode, record) && #if defined(MIDI_ENABLE) && defined(MIDI_ADVANCED) process_midi(keycode, record) && #endif @@ -1049,12 +1049,6 @@ void matrix_init_quantum() { matrix_init_kb(); } -uint8_t rgb_matrix_task_counter = 0; - -#ifndef RGB_MATRIX_SKIP_FRAMES - #define RGB_MATRIX_SKIP_FRAMES 1 -#endif - void matrix_scan_quantum() { #if defined(AUDIO_ENABLE) && !defined(NO_MUSIC_MODE) matrix_scan_music(); @@ -1078,10 +1072,6 @@ void matrix_scan_quantum() { #ifdef RGB_MATRIX_ENABLE rgb_matrix_task(); - if (rgb_matrix_task_counter == 0) { - rgb_matrix_update_pwm_buffers(); - } - rgb_matrix_task_counter = ((rgb_matrix_task_counter + 1) % (RGB_MATRIX_SKIP_FRAMES + 1)); #endif #ifdef ENCODER_ENABLE diff --git a/quantum/rgb_matrix.c b/quantum/rgb_matrix.c index 56a97e3c7..0728e2431 100644 --- a/quantum/rgb_matrix.c +++ b/quantum/rgb_matrix.c @@ -24,62 +24,80 @@ #include <string.h> #include <math.h> -rgb_config_t rgb_matrix_config; +#include "lib/lib8tion/lib8tion.h" + +#include "rgb_matrix_animations/solid_color_anim.h" +#include "rgb_matrix_animations/alpha_mods_anim.h" +#include "rgb_matrix_animations/dual_beacon_anim.h" +#include "rgb_matrix_animations/gradient_up_down_anim.h" +#include "rgb_matrix_animations/raindrops_anim.h" +#include "rgb_matrix_animations/cycle_all_anim.h" +#include "rgb_matrix_animations/cycle_left_right_anim.h" +#include "rgb_matrix_animations/cycle_up_down_anim.h" +#include "rgb_matrix_animations/rainbow_beacon_anim.h" +#include "rgb_matrix_animations/rainbow_pinwheels_anim.h" +#include "rgb_matrix_animations/rainbow_moving_chevron_anim.h" +#include "rgb_matrix_animations/jellybean_raindrops_anim.h" +#include "rgb_matrix_animations/digital_rain_anim.h" +#include "rgb_matrix_animations/solid_reactive_simple_anim.h" +#include "rgb_matrix_animations/solid_reactive_anim.h" +#include "rgb_matrix_animations/splash_anim.h" +#include "rgb_matrix_animations/solid_splash_anim.h" +#include "rgb_matrix_animations/breathing_anim.h" -#ifndef MAX - #define MAX(X, Y) ((X) > (Y) ? (X) : (Y)) +#ifndef RGB_DISABLE_AFTER_TIMEOUT + #define RGB_DISABLE_AFTER_TIMEOUT 0 #endif -#ifndef MIN - #define MIN(a,b) ((a) < (b)? (a): (b)) +#ifndef RGB_DISABLE_WHEN_USB_SUSPENDED + #define RGB_DISABLE_WHEN_USB_SUSPENDED false #endif -#ifndef RGB_DISABLE_AFTER_TIMEOUT - #define RGB_DISABLE_AFTER_TIMEOUT 0 +#ifndef EECONFIG_RGB_MATRIX + #define EECONFIG_RGB_MATRIX EECONFIG_RGBLIGHT #endif -#ifndef RGB_DISABLE_WHEN_USB_SUSPENDED - #define RGB_DISABLE_WHEN_USB_SUSPENDED false +#if !defined(RGB_MATRIX_MAXIMUM_BRIGHTNESS) || RGB_MATRIX_MAXIMUM_BRIGHTNESS > UINT8_MAX + #undef RGB_MATRIX_MAXIMUM_BRIGHTNESS + #define RGB_MATRIX_MAXIMUM_BRIGHTNESS UINT8_MAX #endif -#ifndef EECONFIG_RGB_MATRIX - #define EECONFIG_RGB_MATRIX EECONFIG_RGBLIGHT +#if !defined(RGB_MATRIX_HUE_STEP) + #define RGB_MATRIX_HUE_STEP 8 #endif -#if !defined(RGB_MATRIX_MAXIMUM_BRIGHTNESS) || RGB_MATRIX_MAXIMUM_BRIGHTNESS > 255 - #define RGB_MATRIX_MAXIMUM_BRIGHTNESS 255 +#if !defined(RGB_MATRIX_SAT_STEP) + #define RGB_MATRIX_SAT_STEP 16 #endif -#ifndef RGB_DIGITAL_RAIN_DROPS - // lower the number for denser effect/wider keyboard - #define RGB_DIGITAL_RAIN_DROPS 24 +#if !defined(RGB_MATRIX_VAL_STEP) + #define RGB_MATRIX_VAL_STEP 16 #endif -#if !defined(DISABLE_RGB_MATRIX_RAINDROPS) || !defined(DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS) || !defined(DISABLE_RGB_MATRIX_DIGITAL_RAIN) - #define TRACK_PREVIOUS_EFFECT +#if !defined(RGB_MATRIX_SPD_STEP) + #define RGB_MATRIX_SPD_STEP 16 #endif bool g_suspend_state = false; -// Global tick at 20 Hz -uint32_t g_tick = 0; - -// Ticks since this key was last hit. -uint8_t g_key_hit[DRIVER_LED_TOTAL]; +rgb_config_t rgb_matrix_config; -// Ticks since any key was last hit. -uint32_t g_any_key_hit = 0; +rgb_counters_t g_rgb_counters; +static uint32_t rgb_counters_buffer; -#ifndef PI -#define PI 3.14159265 -#endif +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED + last_hit_t g_last_hit_tracker; + static last_hit_t last_hit_buffer; +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED uint32_t eeconfig_read_rgb_matrix(void) { return eeprom_read_dword(EECONFIG_RGB_MATRIX); } + void eeconfig_update_rgb_matrix(uint32_t val) { eeprom_update_dword(EECONFIG_RGB_MATRIX, val); } + void eeconfig_update_rgb_matrix_default(void) { dprintf("eeconfig_update_rgb_matrix_default\n"); rgb_matrix_config.enable = 1; @@ -90,11 +108,12 @@ void eeconfig_update_rgb_matrix_default(void) { rgb_matrix_config.mode = RGB_MATRIX_SOLID_COLOR; #endif rgb_matrix_config.hue = 0; - rgb_matrix_config.sat = 255; + rgb_matrix_config.sat = UINT8_MAX; rgb_matrix_config.val = RGB_MATRIX_MAXIMUM_BRIGHTNESS; - rgb_matrix_config.speed = 0; + rgb_matrix_config.speed = UINT8_MAX / 2; eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } + void eeconfig_debug_rgb_matrix(void) { dprintf("rgb_matrix_config eprom\n"); dprintf("rgb_matrix_config.enable = %d\n", rgb_matrix_config.enable); @@ -105,710 +124,330 @@ void eeconfig_debug_rgb_matrix(void) { dprintf("rgb_matrix_config.speed = %d\n", rgb_matrix_config.speed); } -// Last led hit -#define LED_HITS_TO_REMEMBER 8 -uint8_t g_last_led_hit[LED_HITS_TO_REMEMBER] = {255}; -uint8_t g_last_led_count = 0; - -void map_row_column_to_led( uint8_t row, uint8_t column, uint8_t *led_i, uint8_t *led_count) { - rgb_led led; - *led_count = 0; - - for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) { - // map_index_to_led(i, &led); - led = g_rgb_leds[i]; - if (row == led.matrix_co.row && column == led.matrix_co.col) { - led_i[*led_count] = i; - (*led_count)++; - } +uint8_t rgb_matrix_map_row_column_to_led(uint8_t row, uint8_t column, uint8_t *led_i) { + // TODO: This is kinda expensive, fix this soonish + uint8_t led_count = 0; + for (uint8_t i = 0; i < DRIVER_LED_TOTAL && led_count < LED_HITS_TO_REMEMBER; i++) { + matrix_co_t matrix_co = g_rgb_leds[i].matrix_co; + if (row == matrix_co.row && column == matrix_co.col) { + led_i[led_count] = i; + led_count++; } + } + return led_count; } void rgb_matrix_update_pwm_buffers(void) { - rgb_matrix_driver.flush(); + rgb_matrix_driver.flush(); } void rgb_matrix_set_color( int index, uint8_t red, uint8_t green, uint8_t blue ) { - rgb_matrix_driver.set_color(index, red, green, blue); + rgb_matrix_driver.set_color(index, red, green, blue); } void rgb_matrix_set_color_all( uint8_t red, uint8_t green, uint8_t blue ) { - rgb_matrix_driver.set_color_all(red, green, blue); + rgb_matrix_driver.set_color_all(red, green, blue); } bool process_rgb_matrix(uint16_t keycode, keyrecord_t *record) { - if ( record->event.pressed ) { - uint8_t led[8], led_count; - map_row_column_to_led(record->event.key.row, record->event.key.col, led, &led_count); - if (led_count > 0) { - for (uint8_t i = LED_HITS_TO_REMEMBER; i > 1; i--) { - g_last_led_hit[i - 1] = g_last_led_hit[i - 2]; - } - g_last_led_hit[0] = led[0]; - g_last_led_count = MIN(LED_HITS_TO_REMEMBER, g_last_led_count + 1); - } - for(uint8_t i = 0; i < led_count; i++) - g_key_hit[led[i]] = 0; - g_any_key_hit = 0; - } else { - #ifdef RGB_MATRIX_KEYRELEASES - uint8_t led[8], led_count; - map_row_column_to_led(record->event.key.row, record->event.key.col, led, &led_count); - for(uint8_t i = 0; i < led_count; i++) - g_key_hit[led[i]] = 255; - - g_any_key_hit = 255; - #endif - } - return true; -} +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED + uint8_t led[LED_HITS_TO_REMEMBER]; + uint8_t led_count = 0; + +#if defined(RGB_MATRIX_KEYRELEASES) + if (!record->event.pressed) { + led_count = rgb_matrix_map_row_column_to_led(record->event.key.row, record->event.key.col, led); + g_rgb_counters.any_key_hit = 0; + } +#elif defined(RGB_MATRIX_KEYPRESSES) + if (record->event.pressed) { + led_count = rgb_matrix_map_row_column_to_led(record->event.key.row, record->event.key.col, led); + g_rgb_counters.any_key_hit = 0; + } +#endif // defined(RGB_MATRIX_KEYRELEASES) + + if (last_hit_buffer.count + led_count > LED_HITS_TO_REMEMBER) { + memcpy(&last_hit_buffer.x[0], &last_hit_buffer.x[led_count], LED_HITS_TO_REMEMBER - led_count); + memcpy(&last_hit_buffer.y[0], &last_hit_buffer.y[led_count], LED_HITS_TO_REMEMBER - led_count); + memcpy(&last_hit_buffer.tick[0], &last_hit_buffer.tick[led_count], (LED_HITS_TO_REMEMBER - led_count) * 2); // 16 bit + memcpy(&last_hit_buffer.index[0], &last_hit_buffer.index[led_count], LED_HITS_TO_REMEMBER - led_count); + last_hit_buffer.count--; + } -void rgb_matrix_set_suspend_state(bool state) { - g_suspend_state = state; + for(uint8_t i = 0; i < led_count; i++) { + uint8_t index = last_hit_buffer.count; + last_hit_buffer.x[index] = g_rgb_leds[led[i]].point.x; + last_hit_buffer.y[index] = g_rgb_leds[led[i]].point.y; + last_hit_buffer.index[index] = led[i]; + last_hit_buffer.tick[index] = 0; + last_hit_buffer.count++; + } +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED + return true; } void rgb_matrix_test(void) { - // Mask out bits 4 and 5 - // Increase the factor to make the test animation slower (and reduce to make it faster) - uint8_t factor = 10; - switch ( (g_tick & (0b11 << factor)) >> factor ) - { - case 0: - { - rgb_matrix_set_color_all( 20, 0, 0 ); - break; - } - case 1: - { - rgb_matrix_set_color_all( 0, 20, 0 ); - break; - } - case 2: - { - rgb_matrix_set_color_all( 0, 0, 20 ); - break; - } - case 3: - { - rgb_matrix_set_color_all( 20, 20, 20 ); - break; - } + // Mask out bits 4 and 5 + // Increase the factor to make the test animation slower (and reduce to make it faster) + uint8_t factor = 10; + switch ( (g_rgb_counters.tick & (0b11 << factor)) >> factor ) + { + case 0: { + rgb_matrix_set_color_all( 20, 0, 0 ); + break; } -} - -// All LEDs off -void rgb_matrix_all_off(void) { - rgb_matrix_set_color_all( 0, 0, 0 ); -} - -// Solid color -void rgb_matrix_solid_color(void) { - HSV hsv = { .h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val }; - RGB rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color_all( rgb.r, rgb.g, rgb.b ); -} - -void rgb_matrix_solid_reactive(void) { - // Relies on hue being 8-bit and wrapping - for ( int i=0; i<DRIVER_LED_TOTAL; i++ ) - { - uint16_t offset2 = g_key_hit[i]<<2; - offset2 = (offset2<=130) ? (130-offset2) : 0; - - HSV hsv = { .h = rgb_matrix_config.hue+offset2, .s = 255, .v = rgb_matrix_config.val }; - RGB rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } -} - -void rgb_matrix_solid_reactive_simple(void) -{ - HSV hsv = {.h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val}; - RGB rgb; - - for (int i = 0; i < DRIVER_LED_TOTAL; i++) { - uint16_t offset2 = g_key_hit[i] << 2; - offset2 = (offset2 <= 255) ? (255 - offset2) : 0; - hsv.v = offset2 * rgb_matrix_config.val / RGB_MATRIX_MAXIMUM_BRIGHTNESS; - rgb = hsv_to_rgb(hsv); - rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); - } -} - -// alphas = color1, mods = color2 -void rgb_matrix_alphas_mods(void) { - - RGB rgb1 = hsv_to_rgb( (HSV){ .h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val } ); - RGB rgb2 = hsv_to_rgb( (HSV){ .h = (rgb_matrix_config.hue + 180) % 360, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val } ); - - rgb_led led; - for (int i = 0; i < DRIVER_LED_TOTAL; i++) { - led = g_rgb_leds[i]; - if ( led.matrix_co.raw < 0xFF ) { - if ( led.modifier ) - { - rgb_matrix_set_color( i, rgb2.r, rgb2.g, rgb2.b ); - } - else - { - rgb_matrix_set_color( i, rgb1.r, rgb1.g, rgb1.b ); - } - } - } -} - -void rgb_matrix_gradient_up_down(void) { - int16_t h1 = rgb_matrix_config.hue; - int16_t h2 = (rgb_matrix_config.hue + 180) % 360; - int16_t deltaH = h2 - h1; - - // Take the shortest path between hues - if ( deltaH > 127 ) - { - deltaH -= 256; - } - else if ( deltaH < -127 ) - { - deltaH += 256; - } - // Divide delta by 4, this gives the delta per row - deltaH /= 4; - - int16_t s1 = rgb_matrix_config.sat; - int16_t s2 = rgb_matrix_config.hue; - int16_t deltaS = ( s2 - s1 ) / 4; - - HSV hsv = { .h = 0, .s = 255, .v = rgb_matrix_config.val }; - RGB rgb; - Point point; - for ( int i=0; i<DRIVER_LED_TOTAL; i++ ) - { - // map_led_to_point( i, &point ); - point = g_rgb_leds[i].point; - // The y range will be 0..64, map this to 0..4 - uint8_t y = (point.y>>4); - // Relies on hue being 8-bit and wrapping - hsv.h = rgb_matrix_config.hue + ( deltaH * y ); - hsv.s = rgb_matrix_config.sat + ( deltaS * y ); - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } -} - -void rgb_matrix_raindrops(bool initialize) { - int16_t h1 = rgb_matrix_config.hue; - int16_t h2 = (rgb_matrix_config.hue + 180) % 360; - int16_t deltaH = h2 - h1; - deltaH /= 4; - - // Take the shortest path between hues - if ( deltaH > 127 ) - { - deltaH -= 256; + case 1: { + rgb_matrix_set_color_all( 0, 20, 0 ); + break; } - else if ( deltaH < -127 ) - { - deltaH += 256; + case 2: { + rgb_matrix_set_color_all( 0, 0, 20 ); + break; } - - int16_t s1 = rgb_matrix_config.sat; - int16_t s2 = rgb_matrix_config.sat; - int16_t deltaS = ( s2 - s1 ) / 4; - - HSV hsv; - RGB rgb; - - // Change one LED every tick, make sure speed is not 0 - uint8_t led_to_change = ( g_tick & ( 0x0A / (rgb_matrix_config.speed == 0 ? 1 : rgb_matrix_config.speed) ) ) == 0 ? rand() % (DRIVER_LED_TOTAL) : 255; - - for ( int i=0; i<DRIVER_LED_TOTAL; i++ ) - { - // If initialize, all get set to random colors - // If not, all but one will stay the same as before. - if ( initialize || i == led_to_change ) - { - hsv.h = h1 + ( deltaH * ( rand() & 0x03 ) ); - hsv.s = s1 + ( deltaS * ( rand() & 0x03 ) ); - // Override brightness with global brightness control - hsv.v = rgb_matrix_config.val; - - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } - } -} - -void rgb_matrix_cycle_all(void) { - uint8_t offset = ( g_tick << rgb_matrix_config.speed ) & 0xFF; - - rgb_led led; - - // Relies on hue being 8-bit and wrapping - for ( int i=0; i<DRIVER_LED_TOTAL; i++ ) - { - // map_index_to_led(i, &led); - led = g_rgb_leds[i]; - if (led.matrix_co.raw < 0xFF) { - uint16_t offset2 = g_key_hit[i]<<2; - offset2 = (offset2<=63) ? (63-offset2) : 0; - - HSV hsv = { .h = offset+offset2, .s = 255, .v = rgb_matrix_config.val }; - RGB rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } - } -} - -void rgb_matrix_cycle_left_right(void) { - uint8_t offset = ( g_tick << rgb_matrix_config.speed ) & 0xFF; - HSV hsv = { .h = 0, .s = 255, .v = rgb_matrix_config.val }; - RGB rgb; - Point point; - rgb_led led; - for ( int i=0; i<DRIVER_LED_TOTAL; i++ ) - { - // map_index_to_led(i, &led); - led = g_rgb_leds[i]; - if (led.matrix_co.raw < 0xFF) { - uint16_t offset2 = g_key_hit[i]<<2; - offset2 = (offset2<=63) ? (63-offset2) : 0; - - // map_led_to_point( i, &point ); - point = g_rgb_leds[i].point; - // Relies on hue being 8-bit and wrapping - hsv.h = point.x + offset + offset2; - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } - } -} - -void rgb_matrix_cycle_up_down(void) { - uint8_t offset = ( g_tick << rgb_matrix_config.speed ) & 0xFF; - HSV hsv = { .h = 0, .s = 255, .v = rgb_matrix_config.val }; - RGB rgb; - Point point; - rgb_led led; - for ( int i=0; i<DRIVER_LED_TOTAL; i++ ) - { - // map_index_to_led(i, &led); - led = g_rgb_leds[i]; - if (led.matrix_co.raw < 0xFF) { - uint16_t offset2 = g_key_hit[i]<<2; - offset2 = (offset2<=63) ? (63-offset2) : 0; - - // map_led_to_point( i, &point ); - point = g_rgb_leds[i].point; - // Relies on hue being 8-bit and wrapping - hsv.h = point.y + offset + offset2; - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } + case 3: { + rgb_matrix_set_color_all( 20, 20, 20 ); + break; } + } } +static bool rgb_matrix_none(effect_params_t* params) { + if (!params->init) { + return false; + } -void rgb_matrix_dual_beacon(void) { - HSV hsv = { .h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val }; - RGB rgb; - Point point; - double cos_value = cos(g_tick * PI / 128) / 32; - double sin_value = sin(g_tick * PI / 128) / 112; - for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) { - point = g_rgb_leds[i].point; - hsv.h = ((point.y - 32.0)* cos_value + (point.x - 112.0) * sin_value) * (180) + rgb_matrix_config.hue; - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } + RGB_MATRIX_USE_LIMITS(led_min, led_max); + for (uint8_t i = led_min; i < led_max; i++) { + rgb_matrix_set_color(i, 0, 0, 0); + } + return led_max < DRIVER_LED_TOTAL; } -void rgb_matrix_rainbow_beacon(void) { - HSV hsv = { .h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val }; - RGB rgb; - Point point; - double cos_value = cos(g_tick * PI / 128); - double sin_value = sin(g_tick * PI / 128); - for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) { - point = g_rgb_leds[i].point; - hsv.h = (1.5 * (rgb_matrix_config.speed == 0 ? 1 : rgb_matrix_config.speed)) * (point.y - 32.0)* cos_value + (1.5 * (rgb_matrix_config.speed == 0 ? 1 : rgb_matrix_config.speed)) * (point.x - 112.0) * sin_value + rgb_matrix_config.hue; - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } -} +static uint8_t rgb_last_enable = UINT8_MAX; +static uint8_t rgb_last_effect = UINT8_MAX; +static effect_params_t rgb_effect_params = { 0, 0 }; +static rgb_task_states rgb_task_state = SYNCING; -void rgb_matrix_rainbow_pinwheels(void) { - HSV hsv = { .h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val }; - RGB rgb; - Point point; - double cos_value = cos(g_tick * PI / 128); - double sin_value = sin(g_tick * PI / 128); - for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) { - point = g_rgb_leds[i].point; - hsv.h = (2 * (rgb_matrix_config.speed == 0 ? 1 : rgb_matrix_config.speed)) * (point.y - 32.0)* cos_value + (2 * (rgb_matrix_config.speed == 0 ? 1 : rgb_matrix_config.speed)) * (66 - abs(point.x - 112.0)) * sin_value + rgb_matrix_config.hue; - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); +static void rgb_task_timers(void) { + // Update double buffer timers + uint16_t deltaTime = timer_elapsed32(rgb_counters_buffer); + rgb_counters_buffer = timer_read32(); + if (g_rgb_counters.any_key_hit < UINT32_MAX) { + if (UINT32_MAX - deltaTime < g_rgb_counters.any_key_hit) { + g_rgb_counters.any_key_hit = UINT32_MAX; + } else { + g_rgb_counters.any_key_hit += deltaTime; } -} + } -void rgb_matrix_rainbow_moving_chevron(void) { - HSV hsv = { .h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val }; - RGB rgb; - Point point; - uint8_t r = 128; - double cos_value = cos(r * PI / 128); - double sin_value = sin(r * PI / 128); - double multiplier = (g_tick / 256.0 * 224); - for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) { - point = g_rgb_leds[i].point; - hsv.h = (1.5 * (rgb_matrix_config.speed == 0 ? 1 : rgb_matrix_config.speed)) * abs(point.y - 32.0)* sin_value + (1.5 * (rgb_matrix_config.speed == 0 ? 1 : rgb_matrix_config.speed)) * (point.x - multiplier) * cos_value + rgb_matrix_config.hue; - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); + // Update double buffer last hit timers +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED + uint8_t count = last_hit_buffer.count; + for (uint8_t i = 0; i < count; ++i) { + if (UINT16_MAX - deltaTime < last_hit_buffer.tick[i]) { + last_hit_buffer.count--; + continue; } -} - - -void rgb_matrix_jellybean_raindrops( bool initialize ) { - HSV hsv; - RGB rgb; + last_hit_buffer.tick[i] += deltaTime; + } +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED +} + +static void rgb_task_sync(void) { + // next task + if (timer_elapsed32(g_rgb_counters.tick) >= RGB_MATRIX_LED_FLUSH_LIMIT) + rgb_task_state = STARTING; +} + +static void rgb_task_start(void) { + // reset iter + rgb_effect_params.iter = 0; + + // update double buffers + g_rgb_counters.tick = rgb_counters_buffer; +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED + g_last_hit_tracker = last_hit_buffer; +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED + + // next task + rgb_task_state = RENDERING; +} + +static void rgb_task_render(uint8_t effect) { + bool rendering = false; + rgb_effect_params.init = (effect != rgb_last_effect) || (rgb_matrix_config.enable != rgb_last_enable); + + // each effect can opt to do calculations + // and/or request PWM buffer updates. + switch (effect) { + case RGB_MATRIX_NONE: + rendering = rgb_matrix_none(&rgb_effect_params); + break; + + case RGB_MATRIX_SOLID_COLOR: + rendering = rgb_matrix_solid_color(&rgb_effect_params); // Max 1ms Avg 0ms + break; +#ifndef DISABLE_RGB_MATRIX_ALPHAS_MODS + case RGB_MATRIX_ALPHAS_MODS: + rendering = rgb_matrix_alphas_mods(&rgb_effect_params); // Max 2ms Avg 1ms + break; +#endif // DISABLE_RGB_MATRIX_ALPHAS_MODS +#ifndef DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN + case RGB_MATRIX_GRADIENT_UP_DOWN: + rendering = rgb_matrix_gradient_up_down(&rgb_effect_params); // Max 4ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN +#ifndef DISABLE_RGB_MATRIX_BREATHING + case RGB_MATRIX_BREATHING: + rendering = rgb_matrix_breathing(&rgb_effect_params); // Max 1ms Avg 0ms + break; +#endif // DISABLE_RGB_MATRIX_BREATHING +#ifndef DISABLE_RGB_MATRIX_CYCLE_ALL + case RGB_MATRIX_CYCLE_ALL: + rendering = rgb_matrix_cycle_all(&rgb_effect_params); // Max 4ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_CYCLE_ALL +#ifndef DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT + case RGB_MATRIX_CYCLE_LEFT_RIGHT: + rendering = rgb_matrix_cycle_left_right(&rgb_effect_params); // Max 4ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT +#ifndef DISABLE_RGB_MATRIX_CYCLE_UP_DOWN + case RGB_MATRIX_CYCLE_UP_DOWN: + rendering = rgb_matrix_cycle_up_down(&rgb_effect_params); // Max 4ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_CYCLE_UP_DOWN +#ifndef DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON + case RGB_MATRIX_RAINBOW_MOVING_CHEVRON: + rendering = rgb_matrix_rainbow_moving_chevron(&rgb_effect_params); // Max 4ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON +#ifndef DISABLE_RGB_MATRIX_DUAL_BEACON + case RGB_MATRIX_DUAL_BEACON: + rendering = rgb_matrix_dual_beacon(&rgb_effect_params); // Max 4ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_DUAL_BEACON +#ifndef DISABLE_RGB_MATRIX_RAINBOW_BEACON + case RGB_MATRIX_RAINBOW_BEACON: + rendering = rgb_matrix_rainbow_beacon(&rgb_effect_params); // Max 4ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_RAINBOW_BEACON +#ifndef DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS + case RGB_MATRIX_RAINBOW_PINWHEELS: + rendering = rgb_matrix_rainbow_pinwheels(&rgb_effect_params); // Max 4ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS +#ifndef DISABLE_RGB_MATRIX_RAINDROPS + case RGB_MATRIX_RAINDROPS: + rendering = rgb_matrix_raindrops(&rgb_effect_params); // Max 1ms Avg 0ms + break; +#endif // DISABLE_RGB_MATRIX_RAINDROPS +#ifndef DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS + case RGB_MATRIX_JELLYBEAN_RAINDROPS: + rendering = rgb_matrix_jellybean_raindrops(&rgb_effect_params); // Max 1ms Avg 0ms + break; +#endif // DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS +#ifndef DISABLE_RGB_MATRIX_DIGITAL_RAIN + case RGB_MATRIX_DIGITAL_RAIN: + rendering = rgb_matrix_digital_rain(&rgb_effect_params); // Max 9ms Avg 8ms | this is expensive, fix it + break; +#endif // DISABLE_RGB_MATRIX_DIGITAL_RAIN +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED +#ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE + case RGB_MATRIX_SOLID_REACTIVE_SIMPLE: + rendering = rgb_matrix_solid_reactive_simple(&rgb_effect_params);// Max 4ms Avg 3ms + break; +#endif +#ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE + case RGB_MATRIX_SOLID_REACTIVE: + rendering = rgb_matrix_solid_reactive(&rgb_effect_params); // Max 4ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_SOLID_REACTIVE +#ifndef DISABLE_RGB_MATRIX_SPLASH + case RGB_MATRIX_SPLASH: + rendering = rgb_matrix_splash(&rgb_effect_params); // Max 5ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_SPLASH +#ifndef DISABLE_RGB_MATRIX_MULTISPLASH + case RGB_MATRIX_MULTISPLASH: + rendering = rgb_matrix_multisplash(&rgb_effect_params); // Max 10ms Avg 5ms + break; +#endif // DISABLE_RGB_MATRIX_MULTISPLASH +#ifndef DISABLE_RGB_MATRIX_SOLID_SPLASH + case RGB_MATRIX_SOLID_SPLASH: + rendering = rgb_matrix_solid_splash(&rgb_effect_params); // Max 5ms Avg 3ms + break; +#endif // DISABLE_RGB_MATRIX_SOLID_SPLASH +#ifndef DISABLE_RGB_MATRIX_SOLID_MULTISPLASH + case RGB_MATRIX_SOLID_MULTISPLASH: + rendering = rgb_matrix_solid_multisplash(&rgb_effect_params); // Max 10ms Avg 5ms + break; +#endif // DISABLE_RGB_MATRIX_SOLID_MULTISPLASH +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED - // Change one LED every tick, make sure speed is not 0 - uint8_t led_to_change = ( g_tick & ( 0x0A / (rgb_matrix_config.speed == 0 ? 1 : rgb_matrix_config.speed) ) ) == 0 ? rand() % (DRIVER_LED_TOTAL) : 255; + // Factory default magic value + case UINT8_MAX: { + rgb_matrix_test(); + rgb_task_state = FLUSHING; + } + return; + } - for ( int i=0; i<DRIVER_LED_TOTAL; i++ ) - { - // If initialize, all get set to random colors - // If not, all but one will stay the same as before. - if ( initialize || i == led_to_change ) - { - hsv.h = rand() & 0xFF; - hsv.s = rand() & 0xFF; - // Override brightness with global brightness control - hsv.v = rgb_matrix_config.val; + rgb_effect_params.iter++; - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } + // next task + if (!rendering) { + rgb_task_state = FLUSHING; + if (!rgb_effect_params.init && effect == RGB_MATRIX_NONE) { + // We only need to flush once if we are RGB_MATRIX_NONE + rgb_task_state = SYNCING; } + } } -void rgb_matrix_digital_rain( const bool initialize ) { - // algorithm ported from https://github.com/tremby/Kaleidoscope-LEDEffect-DigitalRain - const uint8_t drop_ticks = 28; - const uint8_t pure_green_intensity = 0xd0; - const uint8_t max_brightness_boost = 0xc0; - const uint8_t max_intensity = 0xff; +static void rgb_task_flush(uint8_t effect) { + // update last trackers after the first full render so we can init over several frames + rgb_last_effect = effect; + rgb_last_enable = rgb_matrix_config.enable; - static uint8_t map[MATRIX_COLS][MATRIX_ROWS] = {{0}}; - static uint8_t drop = 0; - - if (initialize) { - rgb_matrix_set_color_all(0, 0, 0); - memset(map, 0, sizeof map); - drop = 0; - } - for (uint8_t col = 0; col < MATRIX_COLS; col++) { - for (uint8_t row = 0; row < MATRIX_ROWS; row++) { - if (row == 0 && drop == 0 && rand() < RAND_MAX / RGB_DIGITAL_RAIN_DROPS) { - // top row, pixels have just fallen and we're - // making a new rain drop in this column - map[col][row] = max_intensity; - } - else if (map[col][row] > 0 && map[col][row] < max_intensity) { - // neither fully bright nor dark, decay it - map[col][row]--; - } - // set the pixel colour - uint8_t led, led_count; - map_row_column_to_led(row, col, &led, &led_count); - - if (map[col][row] > pure_green_intensity) { - const uint8_t boost = (uint8_t) ((uint16_t) max_brightness_boost - * (map[col][row] - pure_green_intensity) / (max_intensity - pure_green_intensity)); - rgb_matrix_set_color(led, boost, max_intensity, boost); - } - else { - const uint8_t green = (uint8_t) ((uint16_t) max_intensity * map[col][row] / pure_green_intensity); - rgb_matrix_set_color(led, 0, green, 0); - } - } - } - if (++drop > drop_ticks) { - // reset drop timer - drop = 0; - for (uint8_t row = MATRIX_ROWS - 1; row > 0; row--) { - for (uint8_t col = 0; col < MATRIX_COLS; col++) { - // if ths is on the bottom row and bright allow decay - if (row == MATRIX_ROWS - 1 && map[col][row] == max_intensity) { - map[col][row]--; - } - // check if the pixel above is bright - if (map[col][row - 1] == max_intensity) { - // allow old bright pixel to decay - map[col][row - 1]--; - // make this pixel bright - map[col][row] = max_intensity; - } - } - } - } -} + // update pwm buffers + rgb_matrix_update_pwm_buffers(); -void rgb_matrix_multisplash(void) { - // if (g_any_key_hit < 0xFF) { - HSV hsv = { .h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val }; - RGB rgb; - rgb_led led; - for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) { - led = g_rgb_leds[i]; - uint16_t c = 0, d = 0; - rgb_led last_led; - // if (g_last_led_count) { - for (uint8_t last_i = 0; last_i < g_last_led_count; last_i++) { - last_led = g_rgb_leds[g_last_led_hit[last_i]]; - uint16_t dist = (uint16_t)sqrt(pow(led.point.x - last_led.point.x, 2) + pow(led.point.y - last_led.point.y, 2)); - uint16_t effect = (g_key_hit[g_last_led_hit[last_i]] << 2) - dist; - c += MIN(MAX(effect, 0), 255); - d += 255 - MIN(MAX(effect, 0), 255); - } - // } else { - // d = 255; - // } - hsv.h = (rgb_matrix_config.hue + c) % 256; - hsv.v = MAX(MIN(d, 255), 0); - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } - // } else { - // rgb_matrix_set_color_all( 0, 0, 0 ); - // } -} - - -void rgb_matrix_splash(void) { - g_last_led_count = MIN(g_last_led_count, 1); - rgb_matrix_multisplash(); -} - - -void rgb_matrix_solid_multisplash(void) { - // if (g_any_key_hit < 0xFF) { - HSV hsv = { .h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val }; - RGB rgb; - rgb_led led; - for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) { - led = g_rgb_leds[i]; - uint16_t d = 0; - rgb_led last_led; - // if (g_last_led_count) { - for (uint8_t last_i = 0; last_i < g_last_led_count; last_i++) { - last_led = g_rgb_leds[g_last_led_hit[last_i]]; - uint16_t dist = (uint16_t)sqrt(pow(led.point.x - last_led.point.x, 2) + pow(led.point.y - last_led.point.y, 2)); - uint16_t effect = (g_key_hit[g_last_led_hit[last_i]] << 2) - dist; - d += 255 - MIN(MAX(effect, 0), 255); - } - // } else { - // d = 255; - // } - hsv.v = MAX(MIN(d, 255), 0); - rgb = hsv_to_rgb( hsv ); - rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); - } - // } else { - // rgb_matrix_set_color_all( 0, 0, 0 ); - // } -} - - -void rgb_matrix_solid_splash(void) { - g_last_led_count = MIN(g_last_led_count, 1); - rgb_matrix_solid_multisplash(); -} - - -// Needs eeprom access that we don't have setup currently - -void rgb_matrix_custom(void) { -// HSV hsv; -// RGB rgb; -// for ( int i=0; i<DRIVER_LED_TOTAL; i++ ) -// { -// backlight_get_key_color(i, &hsv); -// // Override brightness with global brightness control -// hsv.v = rgb_matrix_config.val; -// rgb = hsv_to_rgb( hsv ); -// rgb_matrix_set_color( i, rgb.r, rgb.g, rgb.b ); -// } + // next task + rgb_task_state = SYNCING; } void rgb_matrix_task(void) { - #ifdef TRACK_PREVIOUS_EFFECT - static uint8_t toggle_enable_last = 255; - #endif - if (!rgb_matrix_config.enable) { - rgb_matrix_all_off(); - rgb_matrix_indicators(); - #ifdef TRACK_PREVIOUS_EFFECT - toggle_enable_last = rgb_matrix_config.enable; - #endif - return; - } - // delay 1 second before driving LEDs or doing anything else - static uint8_t startup_tick = 0; - if ( startup_tick < 20 ) { - startup_tick++; - return; - } - - g_tick++; - - if ( g_any_key_hit < 0xFFFFFFFF ) { - g_any_key_hit++; - } - - for ( int led = 0; led < DRIVER_LED_TOTAL; led++ ) { - if ( g_key_hit[led] < 255 ) { - if (g_key_hit[led] == 254) - g_last_led_count = MAX(g_last_led_count - 1, 0); - g_key_hit[led]++; - } - } - - // Factory default magic value - if ( rgb_matrix_config.mode == 255 ) { - rgb_matrix_test(); - return; - } - - // Ideally we would also stop sending zeros to the LED driver PWM buffers - // while suspended and just do a software shutdown. This is a cheap hack for now. - bool suspend_backlight = ((g_suspend_state && RGB_DISABLE_WHEN_USB_SUSPENDED) || - (RGB_DISABLE_AFTER_TIMEOUT > 0 && g_any_key_hit > RGB_DISABLE_AFTER_TIMEOUT * 60 * 20)); - uint8_t effect = suspend_backlight ? 0 : rgb_matrix_config.mode; - - #ifdef TRACK_PREVIOUS_EFFECT - // Keep track of the effect used last time, - // detect change in effect, so each effect can - // have an optional initialization. - - static uint8_t effect_last = 255; - bool initialize = (effect != effect_last) || (rgb_matrix_config.enable != toggle_enable_last); - effect_last = effect; - toggle_enable_last = rgb_matrix_config.enable; - #endif - - // this gets ticked at 20 Hz. - // each effect can opt to do calculations - // and/or request PWM buffer updates. - switch ( effect ) { - case RGB_MATRIX_SOLID_COLOR: - rgb_matrix_solid_color(); - break; - #ifndef DISABLE_RGB_MATRIX_ALPHAS_MODS - case RGB_MATRIX_ALPHAS_MODS: - rgb_matrix_alphas_mods(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_DUAL_BEACON - case RGB_MATRIX_DUAL_BEACON: - rgb_matrix_dual_beacon(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN - case RGB_MATRIX_GRADIENT_UP_DOWN: - rgb_matrix_gradient_up_down(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_RAINDROPS - case RGB_MATRIX_RAINDROPS: - rgb_matrix_raindrops( initialize ); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_CYCLE_ALL - case RGB_MATRIX_CYCLE_ALL: - rgb_matrix_cycle_all(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT - case RGB_MATRIX_CYCLE_LEFT_RIGHT: - rgb_matrix_cycle_left_right(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_CYCLE_UP_DOWN - case RGB_MATRIX_CYCLE_UP_DOWN: - rgb_matrix_cycle_up_down(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_RAINBOW_BEACON - case RGB_MATRIX_RAINBOW_BEACON: - rgb_matrix_rainbow_beacon(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS - case RGB_MATRIX_RAINBOW_PINWHEELS: - rgb_matrix_rainbow_pinwheels(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON - case RGB_MATRIX_RAINBOW_MOVING_CHEVRON: - rgb_matrix_rainbow_moving_chevron(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS - case RGB_MATRIX_JELLYBEAN_RAINDROPS: - rgb_matrix_jellybean_raindrops( initialize ); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_DIGITAL_RAIN - case RGB_MATRIX_DIGITAL_RAIN: - rgb_matrix_digital_rain( initialize ); - break; - #endif - #ifdef RGB_MATRIX_KEYPRESSES - #ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE - case RGB_MATRIX_SOLID_REACTIVE: - rgb_matrix_solid_reactive(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE - case RGB_MATRIX_SOLID_REACTIVE_SIMPLE: - rgb_matrix_solid_reactive_simple(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_SPLASH - case RGB_MATRIX_SPLASH: - rgb_matrix_splash(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_MULTISPLASH - case RGB_MATRIX_MULTISPLASH: - rgb_matrix_multisplash(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_SOLID_SPLASH - case RGB_MATRIX_SOLID_SPLASH: - rgb_matrix_solid_splash(); - break; - #endif - #ifndef DISABLE_RGB_MATRIX_SOLID_MULTISPLASH - case RGB_MATRIX_SOLID_MULTISPLASH: - rgb_matrix_solid_multisplash(); - break; - #endif - #endif - default: - rgb_matrix_custom(); - break; - } - - if ( ! suspend_backlight ) { - rgb_matrix_indicators(); - } + rgb_task_timers(); + + // Ideally we would also stop sending zeros to the LED driver PWM buffers + // while suspended and just do a software shutdown. This is a cheap hack for now. + bool suspend_backlight = ((g_suspend_state && RGB_DISABLE_WHEN_USB_SUSPENDED) || (RGB_DISABLE_AFTER_TIMEOUT > 0 && g_rgb_counters.any_key_hit > RGB_DISABLE_AFTER_TIMEOUT * 60 * 20)); + uint8_t effect = suspend_backlight || !rgb_matrix_config.enable ? 0 : rgb_matrix_config.mode; + + switch (rgb_task_state) { + case STARTING: + rgb_task_start(); + break; + case RENDERING: + rgb_task_render(effect); + break; + case FLUSHING: + rgb_task_flush(effect); + break; + case SYNCING: + rgb_task_sync(); + break; + } + if (!suspend_backlight) { + rgb_matrix_indicators(); + } } void rgb_matrix_indicators(void) { - rgb_matrix_indicators_kb(); - rgb_matrix_indicators_user(); + rgb_matrix_indicators_kb(); + rgb_matrix_indicators_user(); } __attribute__((weak)) @@ -817,103 +456,54 @@ void rgb_matrix_indicators_kb(void) {} __attribute__((weak)) void rgb_matrix_indicators_user(void) {} - -// void rgb_matrix_set_indicator_index( uint8_t *index, uint8_t row, uint8_t column ) -// { -// if ( row >= MATRIX_ROWS ) -// { -// // Special value, 255=none, 254=all -// *index = row; -// } -// else -// { -// // This needs updated to something like -// // uint8_t led[8], led_count; -// // map_row_column_to_led(row,column,led,&led_count); -// // for(uint8_t i = 0; i < led_count; i++) -// map_row_column_to_led( row, column, index ); -// } -// } - void rgb_matrix_init(void) { rgb_matrix_driver.init(); // TODO: put the 1 second startup delay here? - // clear the key hits - for ( int led=0; led<DRIVER_LED_TOTAL; led++ ) { - g_key_hit[led] = 255; +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED + g_last_hit_tracker.count = 0; + for (uint8_t i = 0; i < LED_HITS_TO_REMEMBER; ++i) { + g_last_hit_tracker.tick[i] = UINT16_MAX; } + last_hit_buffer.count = 0; + for (uint8_t i = 0; i < LED_HITS_TO_REMEMBER; ++i) { + last_hit_buffer.tick[i] = UINT16_MAX; + } +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED if (!eeconfig_is_enabled()) { - dprintf("rgb_matrix_init_drivers eeconfig is not enabled.\n"); - eeconfig_init(); - eeconfig_update_rgb_matrix_default(); + dprintf("rgb_matrix_init_drivers eeconfig is not enabled.\n"); + eeconfig_init(); + eeconfig_update_rgb_matrix_default(); } + rgb_matrix_config.raw = eeconfig_read_rgb_matrix(); + rgb_matrix_config.speed = UINT8_MAX / 2; //EECONFIG needs to be increased to support this if (!rgb_matrix_config.mode) { - dprintf("rgb_matrix_init_drivers rgb_matrix_config.mode = 0. Write default values to EEPROM.\n"); - eeconfig_update_rgb_matrix_default(); - rgb_matrix_config.raw = eeconfig_read_rgb_matrix(); + dprintf("rgb_matrix_init_drivers rgb_matrix_config.mode = 0. Write default values to EEPROM.\n"); + eeconfig_update_rgb_matrix_default(); + rgb_matrix_config.raw = eeconfig_read_rgb_matrix(); } eeconfig_debug_rgb_matrix(); // display current eeprom values } -// Deals with the messy details of incrementing an integer -static uint8_t increment( uint8_t value, uint8_t step, uint8_t min, uint8_t max ) { - int16_t new_value = value; - new_value += step; - return MIN( MAX( new_value, min ), max ); -} - -static uint8_t decrement( uint8_t value, uint8_t step, uint8_t min, uint8_t max ) { - int16_t new_value = value; - new_value -= step; - return MIN( MAX( new_value, min ), max ); -} - -// void *backlight_get_custom_key_color_eeprom_address( uint8_t led ) -// { -// // 3 bytes per color -// return EECONFIG_RGB_MATRIX + ( led * 3 ); -// } - -// void backlight_get_key_color( uint8_t led, HSV *hsv ) -// { -// void *address = backlight_get_custom_key_color_eeprom_address( led ); -// hsv->h = eeprom_read_byte(address); -// hsv->s = eeprom_read_byte(address+1); -// hsv->v = eeprom_read_byte(address+2); -// } - -// void backlight_set_key_color( uint8_t row, uint8_t column, HSV hsv ) -// { -// uint8_t led[8], led_count; -// map_row_column_to_led(row,column,led,&led_count); -// for(uint8_t i = 0; i < led_count; i++) { -// if ( led[i] < DRIVER_LED_TOTAL ) -// { -// void *address = backlight_get_custom_key_color_eeprom_address(led[i]); -// eeprom_update_byte(address, hsv.h); -// eeprom_update_byte(address+1, hsv.s); -// eeprom_update_byte(address+2, hsv.v); -// } -// } -// } - -uint32_t rgb_matrix_get_tick(void) { - return g_tick; +void rgb_matrix_set_suspend_state(bool state) { + g_suspend_state = state; } void rgb_matrix_toggle(void) { - rgb_matrix_config.enable ^= 1; - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + rgb_matrix_config.enable ^= 1; + if (!rgb_matrix_config.enable) { + rgb_task_state = STARTING; + } + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_enable(void) { rgb_matrix_config.enable = 1; - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_enable_noeeprom(void) { @@ -922,7 +512,7 @@ void rgb_matrix_enable_noeeprom(void) { void rgb_matrix_disable(void) { rgb_matrix_config.enable = 0; - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_disable_noeeprom(void) { @@ -930,76 +520,79 @@ void rgb_matrix_disable_noeeprom(void) { } void rgb_matrix_step(void) { - rgb_matrix_config.mode++; - if (rgb_matrix_config.mode >= RGB_MATRIX_EFFECT_MAX) - rgb_matrix_config.mode = 1; - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + rgb_matrix_config.mode++; + if (rgb_matrix_config.mode >= RGB_MATRIX_EFFECT_MAX) + rgb_matrix_config.mode = 1; + rgb_task_state = STARTING; + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_step_reverse(void) { - rgb_matrix_config.mode--; - if (rgb_matrix_config.mode < 1) - rgb_matrix_config.mode = RGB_MATRIX_EFFECT_MAX - 1; - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + rgb_matrix_config.mode--; + if (rgb_matrix_config.mode < 1) + rgb_matrix_config.mode = RGB_MATRIX_EFFECT_MAX - 1; + rgb_task_state = STARTING; + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_increase_hue(void) { - rgb_matrix_config.hue = increment( rgb_matrix_config.hue, 8, 0, 255 ); - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + rgb_matrix_config.hue += RGB_MATRIX_HUE_STEP; + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_decrease_hue(void) { - rgb_matrix_config.hue = decrement( rgb_matrix_config.hue, 8, 0, 255 ); - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + rgb_matrix_config.hue -= RGB_MATRIX_HUE_STEP; + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_increase_sat(void) { - rgb_matrix_config.sat = increment( rgb_matrix_config.sat, 8, 0, 255 ); - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + rgb_matrix_config.sat = qadd8(rgb_matrix_config.sat, RGB_MATRIX_SAT_STEP); + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_decrease_sat(void) { - rgb_matrix_config.sat = decrement( rgb_matrix_config.sat, 8, 0, 255 ); - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + rgb_matrix_config.sat = qsub8(rgb_matrix_config.sat, RGB_MATRIX_SAT_STEP); + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_increase_val(void) { - rgb_matrix_config.val = increment( rgb_matrix_config.val, 8, 0, RGB_MATRIX_MAXIMUM_BRIGHTNESS ); - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + rgb_matrix_config.val = qadd8(rgb_matrix_config.val, RGB_MATRIX_VAL_STEP); + if (rgb_matrix_config.val > RGB_MATRIX_MAXIMUM_BRIGHTNESS) + rgb_matrix_config.val = RGB_MATRIX_MAXIMUM_BRIGHTNESS; + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_decrease_val(void) { - rgb_matrix_config.val = decrement( rgb_matrix_config.val, 8, 0, RGB_MATRIX_MAXIMUM_BRIGHTNESS ); - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + rgb_matrix_config.val = qsub8(rgb_matrix_config.val, RGB_MATRIX_VAL_STEP); + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_increase_speed(void) { - rgb_matrix_config.speed = increment( rgb_matrix_config.speed, 1, 0, 3 ); - eeconfig_update_rgb_matrix(rgb_matrix_config.raw);//EECONFIG needs to be increased to support this + rgb_matrix_config.speed = qadd8(rgb_matrix_config.speed, RGB_MATRIX_SPD_STEP); + eeconfig_update_rgb_matrix(rgb_matrix_config.raw);//EECONFIG needs to be increased to support this } void rgb_matrix_decrease_speed(void) { - rgb_matrix_config.speed = decrement( rgb_matrix_config.speed, 1, 0, 3 ); - eeconfig_update_rgb_matrix(rgb_matrix_config.raw);//EECONFIG needs to be increased to support this + rgb_matrix_config.speed = qsub8(rgb_matrix_config.speed, RGB_MATRIX_SPD_STEP); + eeconfig_update_rgb_matrix(rgb_matrix_config.raw);//EECONFIG needs to be increased to support this } void rgb_matrix_mode(uint8_t mode) { - rgb_matrix_config.mode = mode; - eeconfig_update_rgb_matrix(rgb_matrix_config.raw); + rgb_matrix_config.mode = mode; + rgb_task_state = STARTING; + eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } void rgb_matrix_mode_noeeprom(uint8_t mode) { - rgb_matrix_config.mode = mode; + rgb_matrix_config.mode = mode; } uint8_t rgb_matrix_get_mode(void) { - return rgb_matrix_config.mode; + return rgb_matrix_config.mode; } void rgb_matrix_sethsv(uint16_t hue, uint8_t sat, uint8_t val) { - rgb_matrix_config.hue = hue; - rgb_matrix_config.sat = sat; - rgb_matrix_config.val = val; + rgb_matrix_sethsv_noeeprom(hue, sat, val); eeconfig_update_rgb_matrix(rgb_matrix_config.raw); } @@ -1007,4 +600,6 @@ void rgb_matrix_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val) { rgb_matrix_config.hue = hue; rgb_matrix_config.sat = sat; rgb_matrix_config.val = val; + if (rgb_matrix_config.val > RGB_MATRIX_MAXIMUM_BRIGHTNESS) + rgb_matrix_config.val = RGB_MATRIX_MAXIMUM_BRIGHTNESS; } diff --git a/quantum/rgb_matrix.h b/quantum/rgb_matrix.h index e6acd2d4b..855ea0323 100644 --- a/quantum/rgb_matrix.h +++ b/quantum/rgb_matrix.h @@ -21,32 +21,33 @@ #include <stdint.h> #include <stdbool.h> +#include "rgb_matrix_types.h" #include "color.h" #include "quantum.h" #ifdef IS31FL3731 - #include "is31fl3731.h" + #include "is31fl3731.h" #elif defined (IS31FL3733) - #include "is31fl3733.h" + #include "is31fl3733.h" #endif -typedef struct Point { - uint8_t x; - uint8_t y; -} __attribute__((packed)) Point; +#ifndef RGB_MATRIX_LED_FLUSH_LIMIT + #define RGB_MATRIX_LED_FLUSH_LIMIT 16 +#endif -typedef struct rgb_led { - union { - uint8_t raw; - struct { - uint8_t row:4; // 16 max - uint8_t col:4; // 16 max - }; - } matrix_co; - Point point; - uint8_t modifier:1; -} __attribute__((packed)) rgb_led; +#ifndef RGB_MATRIX_LED_PROCESS_LIMIT + #define RGB_MATRIX_LED_PROCESS_LIMIT (DRIVER_LED_TOTAL + 4) / 5 +#endif +#if defined(RGB_MATRIX_LED_PROCESS_LIMIT) && RGB_MATRIX_LED_PROCESS_LIMIT > 0 && RGB_MATRIX_LED_PROCESS_LIMIT < DRIVER_LED_TOTAL +#define RGB_MATRIX_USE_LIMITS(min, max) uint8_t min = RGB_MATRIX_LED_PROCESS_LIMIT * params->iter; \ + uint8_t max = min + RGB_MATRIX_LED_PROCESS_LIMIT; \ + if (max > DRIVER_LED_TOTAL) \ + max = DRIVER_LED_TOTAL; +#else +#define RGB_MATRIX_USE_LIMITS(min, max) uint8_t min = 0; \ + uint8_t max = DRIVER_LED_TOTAL; +#endif extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; @@ -56,79 +57,73 @@ typedef struct uint8_t index; } rgb_indicator; -typedef union { - uint32_t raw; - struct { - bool enable :1; - uint8_t mode :6; - uint16_t hue :9; - uint8_t sat :8; - uint8_t val :8; - uint8_t speed :8;//EECONFIG needs to be increased to support this - }; -} rgb_config_t; - enum rgb_matrix_effects { + RGB_MATRIX_NONE = 0, RGB_MATRIX_SOLID_COLOR = 1, #ifndef DISABLE_RGB_MATRIX_ALPHAS_MODS - RGB_MATRIX_ALPHAS_MODS, -#endif -#ifndef DISABLE_RGB_MATRIX_DUAL_BEACON - RGB_MATRIX_DUAL_BEACON, -#endif + RGB_MATRIX_ALPHAS_MODS, +#endif // DISABLE_RGB_MATRIX_ALPHAS_MODS #ifndef DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN - RGB_MATRIX_GRADIENT_UP_DOWN, -#endif -#ifndef DISABLE_RGB_MATRIX_RAINDROPS - RGB_MATRIX_RAINDROPS, -#endif + RGB_MATRIX_GRADIENT_UP_DOWN, +#endif // DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN +#ifndef DISABLE_RGB_MATRIX_BREATHING + RGB_MATRIX_BREATHING, +#endif // DISABLE_RGB_MATRIX_BREATHING #ifndef DISABLE_RGB_MATRIX_CYCLE_ALL - RGB_MATRIX_CYCLE_ALL, -#endif + RGB_MATRIX_CYCLE_ALL, +#endif // DISABLE_RGB_MATRIX_CYCLE_ALL #ifndef DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT - RGB_MATRIX_CYCLE_LEFT_RIGHT, -#endif + RGB_MATRIX_CYCLE_LEFT_RIGHT, +#endif // DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT #ifndef DISABLE_RGB_MATRIX_CYCLE_UP_DOWN - RGB_MATRIX_CYCLE_UP_DOWN, -#endif + RGB_MATRIX_CYCLE_UP_DOWN, +#endif // DISABLE_RGB_MATRIX_CYCLE_UP_DOWN +#ifndef DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON + RGB_MATRIX_RAINBOW_MOVING_CHEVRON, +#endif // DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON +#ifndef DISABLE_RGB_MATRIX_DUAL_BEACON + RGB_MATRIX_DUAL_BEACON, +#endif // DISABLE_RGB_MATRIX_DUAL_BEACON #ifndef DISABLE_RGB_MATRIX_RAINBOW_BEACON - RGB_MATRIX_RAINBOW_BEACON, -#endif + RGB_MATRIX_RAINBOW_BEACON, +#endif // DISABLE_RGB_MATRIX_RAINBOW_BEACON #ifndef DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS - RGB_MATRIX_RAINBOW_PINWHEELS, -#endif -#ifndef DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON - RGB_MATRIX_RAINBOW_MOVING_CHEVRON, -#endif + RGB_MATRIX_RAINBOW_PINWHEELS, +#endif // DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS +#ifndef DISABLE_RGB_MATRIX_RAINDROPS + RGB_MATRIX_RAINDROPS, +#endif // DISABLE_RGB_MATRIX_RAINDROPS #ifndef DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS - RGB_MATRIX_JELLYBEAN_RAINDROPS, -#endif + RGB_MATRIX_JELLYBEAN_RAINDROPS, +#endif // DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS #ifndef DISABLE_RGB_MATRIX_DIGITAL_RAIN - RGB_MATRIX_DIGITAL_RAIN, -#endif -#ifdef RGB_MATRIX_KEYPRESSES - #ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE - RGB_MATRIX_SOLID_REACTIVE, - #endif - #ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE - RGB_MATRIX_SOLID_REACTIVE_SIMPLE, - #endif - #ifndef DISABLE_RGB_MATRIX_SPLASH - RGB_MATRIX_SPLASH, - #endif - #ifndef DISABLE_RGB_MATRIX_MULTISPLASH - RGB_MATRIX_MULTISPLASH, - #endif - #ifndef DISABLE_RGB_MATRIX_SOLID_SPLASH - RGB_MATRIX_SOLID_SPLASH, - #endif - #ifndef DISABLE_RGB_MATRIX_SOLID_MULTISPLASH - RGB_MATRIX_SOLID_MULTISPLASH, - #endif -#endif - RGB_MATRIX_EFFECT_MAX + RGB_MATRIX_DIGITAL_RAIN, +#endif // DISABLE_RGB_MATRIX_DIGITAL_RAIN +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED +#ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE + RGB_MATRIX_SOLID_REACTIVE_SIMPLE, +#endif // DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE +#ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE + RGB_MATRIX_SOLID_REACTIVE, +#endif // DISABLE_RGB_MATRIX_SOLID_REACTIVE +#ifndef DISABLE_RGB_MATRIX_SPLASH + RGB_MATRIX_SPLASH, +#endif // DISABLE_RGB_MATRIX_SPLASH +#ifndef DISABLE_RGB_MATRIX_MULTISPLASH + RGB_MATRIX_MULTISPLASH, +#endif // DISABLE_RGB_MATRIX_MULTISPLASH +#ifndef DISABLE_RGB_MATRIX_SOLID_SPLASH + RGB_MATRIX_SOLID_SPLASH, +#endif // DISABLE_RGB_MATRIX_SOLID_SPLASH +#ifndef DISABLE_RGB_MATRIX_SOLID_MULTISPLASH + RGB_MATRIX_SOLID_MULTISPLASH, +#endif // DISABLE_RGB_MATRIX_SOLID_MULTISPLASH +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED + RGB_MATRIX_EFFECT_MAX }; +uint8_t rgb_matrix_map_row_column_to_led( uint8_t row, uint8_t column, uint8_t *led_i); + void rgb_matrix_set_color( int index, uint8_t red, uint8_t green, uint8_t blue ); void rgb_matrix_set_color_all( uint8_t red, uint8_t green, uint8_t blue ); @@ -162,8 +157,6 @@ void rgb_matrix_decrease(void); // void backlight_get_key_color( uint8_t led, HSV *hsv ); // void backlight_set_key_color( uint8_t row, uint8_t column, HSV hsv ); -uint32_t rgb_matrix_get_tick(void); - void rgb_matrix_toggle(void); void rgb_matrix_enable(void); void rgb_matrix_enable_noeeprom(void); @@ -212,7 +205,6 @@ uint8_t rgb_matrix_get_mode(void); typedef struct { /* Perform any initialisation required for the other driver functions to work. */ void (*init)(void); - /* Set the colour of a single LED in the buffer. */ void (*set_color)(int index, uint8_t r, uint8_t g, uint8_t b); /* Set the colour of all LEDS on the keyboard in the buffer. */ diff --git a/quantum/rgb_matrix_animations/alpha_mods_anim.h b/quantum/rgb_matrix_animations/alpha_mods_anim.h new file mode 100644 index 000000000..cc1914d7f --- /dev/null +++ b/quantum/rgb_matrix_animations/alpha_mods_anim.h @@ -0,0 +1,26 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_ALPHAS_MODS + +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; + +// alphas = color1, mods = color2 +bool rgb_matrix_alphas_mods(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { rgb_matrix_config.hue, rgb_matrix_config.sat, rgb_matrix_config.val }; + RGB rgb1 = hsv_to_rgb(hsv); + hsv.h += rgb_matrix_config.speed; + RGB rgb2 = hsv_to_rgb(hsv); + + for (uint8_t i = led_min; i < led_max; i++) { + if (g_rgb_leds[i].modifier) { + rgb_matrix_set_color(i, rgb2.r, rgb2.g, rgb2.b); + } else { + rgb_matrix_set_color(i, rgb1.r, rgb1.g, rgb1.b); + } + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_ALPHAS_MODS diff --git a/quantum/rgb_matrix_animations/breathing_anim.h b/quantum/rgb_matrix_animations/breathing_anim.h new file mode 100644 index 000000000..fb90b66bd --- /dev/null +++ b/quantum/rgb_matrix_animations/breathing_anim.h @@ -0,0 +1,19 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_BREATHING + +extern rgb_config_t rgb_matrix_config; + +bool rgb_matrix_breathing(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + uint16_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 8); + uint8_t val = scale8(abs8(sin8(time) - 128) * 2, rgb_matrix_config.val); + HSV hsv = { rgb_matrix_config.hue, rgb_matrix_config.sat, val }; + RGB rgb = hsv_to_rgb(hsv); + for (uint8_t i = led_min; i < led_max; i++) { + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_BREATHING diff --git a/quantum/rgb_matrix_animations/cycle_all_anim.h b/quantum/rgb_matrix_animations/cycle_all_anim.h new file mode 100644 index 000000000..5c18cfa0c --- /dev/null +++ b/quantum/rgb_matrix_animations/cycle_all_anim.h @@ -0,0 +1,21 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_CYCLE_ALL + +extern rgb_counters_t g_rgb_counters; +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; + +bool rgb_matrix_cycle_all(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val }; + uint8_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4); + for (uint8_t i = led_min; i < led_max; i++) { + hsv.h = time; + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_CYCLE_ALL diff --git a/quantum/rgb_matrix_animations/cycle_left_right_anim.h b/quantum/rgb_matrix_animations/cycle_left_right_anim.h new file mode 100644 index 000000000..f519aeb47 --- /dev/null +++ b/quantum/rgb_matrix_animations/cycle_left_right_anim.h @@ -0,0 +1,22 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT + +extern rgb_counters_t g_rgb_counters; +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; + +bool rgb_matrix_cycle_left_right(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val }; + uint8_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4); + for (uint8_t i = led_min; i < led_max; i++) { + point_t point = g_rgb_leds[i].point; + hsv.h = point.x - time; + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT diff --git a/quantum/rgb_matrix_animations/cycle_up_down_anim.h b/quantum/rgb_matrix_animations/cycle_up_down_anim.h new file mode 100644 index 000000000..8b91d890d --- /dev/null +++ b/quantum/rgb_matrix_animations/cycle_up_down_anim.h @@ -0,0 +1,22 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_CYCLE_UP_DOWN + +extern rgb_counters_t g_rgb_counters; +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; + +bool rgb_matrix_cycle_up_down(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val }; + uint8_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4); + for (uint8_t i = led_min; i < led_max; i++) { + point_t point = g_rgb_leds[i].point; + hsv.h = point.y - time; + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_CYCLE_UP_DOWN diff --git a/quantum/rgb_matrix_animations/digital_rain_anim.h b/quantum/rgb_matrix_animations/digital_rain_anim.h new file mode 100644 index 000000000..4ba3c1c87 --- /dev/null +++ b/quantum/rgb_matrix_animations/digital_rain_anim.h @@ -0,0 +1,74 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_DIGITAL_RAIN + +#ifndef RGB_DIGITAL_RAIN_DROPS + // lower the number for denser effect/wider keyboard + #define RGB_DIGITAL_RAIN_DROPS 24 +#endif + +bool rgb_matrix_digital_rain(effect_params_t* params) { + // algorithm ported from https://github.com/tremby/Kaleidoscope-LEDEffect-DigitalRain + const uint8_t drop_ticks = 28; + const uint8_t pure_green_intensity = 0xd0; + const uint8_t max_brightness_boost = 0xc0; + const uint8_t max_intensity = 0xff; + + static uint8_t map[MATRIX_COLS][MATRIX_ROWS] = {{0}}; + static uint8_t drop = 0; + + if (params->init) { + rgb_matrix_set_color_all(0, 0, 0); + memset(map, 0, sizeof map); + drop = 0; + } + for (uint8_t col = 0; col < MATRIX_COLS; col++) { + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { + if (row == 0 && drop == 0 && rand() < RAND_MAX / RGB_DIGITAL_RAIN_DROPS) { + // top row, pixels have just fallen and we're + // making a new rain drop in this column + map[col][row] = max_intensity; + } + else if (map[col][row] > 0 && map[col][row] < max_intensity) { + // neither fully bright nor dark, decay it + map[col][row]--; + } + // set the pixel colour + uint8_t led[LED_HITS_TO_REMEMBER]; + uint8_t led_count = rgb_matrix_map_row_column_to_led(row, col, led); + + // TODO: multiple leds are supported mapped to the same row/column + if (led_count > 0) { + if (map[col][row] > pure_green_intensity) { + const uint8_t boost = (uint8_t) ((uint16_t) max_brightness_boost * (map[col][row] - pure_green_intensity) / (max_intensity - pure_green_intensity)); + rgb_matrix_set_color(led[0], boost, max_intensity, boost); + } + else { + const uint8_t green = (uint8_t) ((uint16_t) max_intensity * map[col][row] / pure_green_intensity); + rgb_matrix_set_color(led[0], 0, green, 0); + } + } + } + } + if (++drop > drop_ticks) { + // reset drop timer + drop = 0; + for (uint8_t row = MATRIX_ROWS - 1; row > 0; row--) { + for (uint8_t col = 0; col < MATRIX_COLS; col++) { + // if ths is on the bottom row and bright allow decay + if (row == MATRIX_ROWS - 1 && map[col][row] == max_intensity) { + map[col][row]--; + } + // check if the pixel above is bright + if (map[col][row - 1] == max_intensity) { + // allow old bright pixel to decay + map[col][row - 1]--; + // make this pixel bright + map[col][row] = max_intensity; + } + } + } + } + return false; +} + +#endif // DISABLE_RGB_MATRIX_DIGITAL_RAIN diff --git a/quantum/rgb_matrix_animations/dual_beacon_anim.h b/quantum/rgb_matrix_animations/dual_beacon_anim.h new file mode 100644 index 000000000..dda315780 --- /dev/null +++ b/quantum/rgb_matrix_animations/dual_beacon_anim.h @@ -0,0 +1,24 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_DUAL_BEACON + +extern rgb_counters_t g_rgb_counters; +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; + +bool rgb_matrix_dual_beacon(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val }; + uint16_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4); + int8_t cos_value = cos8(time) - 128; + int8_t sin_value = sin8(time) - 128; + for (uint8_t i = led_min; i < led_max; i++) { + point_t point = g_rgb_leds[i].point; + hsv.h = ((point.y - 32) * cos_value + (point.x - 112) * sin_value) / 128 + rgb_matrix_config.hue; + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_DUAL_BEACON diff --git a/quantum/rgb_matrix_animations/gradient_up_down_anim.h b/quantum/rgb_matrix_animations/gradient_up_down_anim.h new file mode 100644 index 000000000..11498e22f --- /dev/null +++ b/quantum/rgb_matrix_animations/gradient_up_down_anim.h @@ -0,0 +1,22 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN + +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; + +bool rgb_matrix_gradient_up_down(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val }; + uint8_t scale = scale8(64, rgb_matrix_config.speed); + for (uint8_t i = led_min; i < led_max; i++) { + point_t point = g_rgb_leds[i].point; + // The y range will be 0..64, map this to 0..4 + // Relies on hue being 8-bit and wrapping + hsv.h = rgb_matrix_config.hue + scale * (point.y >> 4); + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} +#endif // DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN diff --git a/quantum/rgb_matrix_animations/jellybean_raindrops_anim.h b/quantum/rgb_matrix_animations/jellybean_raindrops_anim.h new file mode 100644 index 000000000..01ff5c230 --- /dev/null +++ b/quantum/rgb_matrix_animations/jellybean_raindrops_anim.h @@ -0,0 +1,30 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS + +extern rgb_counters_t g_rgb_counters; +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; + +static void jellybean_raindrops_set_color(int i) { + HSV hsv = { rand() & 0xFF , rand() & 0xFF, rgb_matrix_config.val }; + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); +} + +bool rgb_matrix_jellybean_raindrops(effect_params_t* params) { + if (!params->init) { + // Change one LED every tick, make sure speed is not 0 + if (scale16by8(g_rgb_counters.tick, qadd8(rgb_matrix_config.speed, 16)) % 5 == 0) { + jellybean_raindrops_set_color(rand() % DRIVER_LED_TOTAL); + } + return false; + } + + RGB_MATRIX_USE_LIMITS(led_min, led_max); + for (int i = led_min; i < led_max; i++) { + jellybean_raindrops_set_color(i); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS diff --git a/quantum/rgb_matrix_animations/rainbow_beacon_anim.h b/quantum/rgb_matrix_animations/rainbow_beacon_anim.h new file mode 100644 index 000000000..3c15e64ab --- /dev/null +++ b/quantum/rgb_matrix_animations/rainbow_beacon_anim.h @@ -0,0 +1,24 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_RAINBOW_BEACON + +extern rgb_counters_t g_rgb_counters; +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; + +bool rgb_matrix_rainbow_beacon(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val }; + uint16_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4); + int16_t cos_value = 2 * (cos8(time) - 128); + int16_t sin_value = 2 * (sin8(time) - 128); + for (uint8_t i = led_min; i < led_max; i++) { + point_t point = g_rgb_leds[i].point; + hsv.h = ((point.y - 32) * cos_value + (point.x - 112) * sin_value) / 128 + rgb_matrix_config.hue; + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_RAINBOW_BEACON diff --git a/quantum/rgb_matrix_animations/rainbow_moving_chevron_anim.h b/quantum/rgb_matrix_animations/rainbow_moving_chevron_anim.h new file mode 100644 index 000000000..0d11d5280 --- /dev/null +++ b/quantum/rgb_matrix_animations/rainbow_moving_chevron_anim.h @@ -0,0 +1,22 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON + +extern rgb_counters_t g_rgb_counters; +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; + +bool rgb_matrix_rainbow_moving_chevron(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val }; + uint8_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4); + for (uint8_t i = led_min; i < led_max; i++) { + point_t point = g_rgb_leds[i].point; + hsv.h = abs8(point.y - 32) + (point.x - time) + rgb_matrix_config.hue; + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON diff --git a/quantum/rgb_matrix_animations/rainbow_pinwheels_anim.h b/quantum/rgb_matrix_animations/rainbow_pinwheels_anim.h new file mode 100644 index 000000000..d7cd42cbe --- /dev/null +++ b/quantum/rgb_matrix_animations/rainbow_pinwheels_anim.h @@ -0,0 +1,24 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS + +extern rgb_counters_t g_rgb_counters; +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; + +bool rgb_matrix_rainbow_pinwheels(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val }; + uint16_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4); + int16_t cos_value = 3 * (cos8(time) - 128); + int16_t sin_value = 3 * (sin8(time) - 128); + for (uint8_t i = led_min; i < led_max; i++) { + point_t point = g_rgb_leds[i].point; + hsv.h = ((point.y - 32) * cos_value + (56 - abs8(point.x - 112)) * sin_value) / 128 + rgb_matrix_config.hue; + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS diff --git a/quantum/rgb_matrix_animations/raindrops_anim.h b/quantum/rgb_matrix_animations/raindrops_anim.h new file mode 100644 index 000000000..fc721375b --- /dev/null +++ b/quantum/rgb_matrix_animations/raindrops_anim.h @@ -0,0 +1,40 @@ +#pragma once +#ifndef DISABLE_RGB_MATRIX_RAINDROPS +#include "rgb_matrix_types.h" + +extern rgb_counters_t g_rgb_counters; +extern rgb_config_t rgb_matrix_config; + +static void raindrops_set_color(int i) { + HSV hsv = { 0 , rgb_matrix_config.sat, rgb_matrix_config.val }; + + // Take the shortest path between hues + int16_t deltaH = ((rgb_matrix_config.hue + 180) % 360 - rgb_matrix_config.hue) / 4; + if (deltaH > 127) { + deltaH -= 256; + } else if (deltaH < -127) { + deltaH += 256; + } + + hsv.h = rgb_matrix_config.hue + (deltaH * (rand() & 0x03)); + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); +} + +bool rgb_matrix_raindrops(effect_params_t* params) { + if (!params->init) { + // Change one LED every tick, make sure speed is not 0 + if (scale16by8(g_rgb_counters.tick, qadd8(rgb_matrix_config.speed, 16)) % 10 == 0) { + raindrops_set_color(rand() % DRIVER_LED_TOTAL); + } + return false; + } + + RGB_MATRIX_USE_LIMITS(led_min, led_max); + for (int i = led_min; i < led_max; i++) { + raindrops_set_color(i); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_RAINDROPS diff --git a/quantum/rgb_matrix_animations/solid_color_anim.h b/quantum/rgb_matrix_animations/solid_color_anim.h new file mode 100644 index 000000000..24a197beb --- /dev/null +++ b/quantum/rgb_matrix_animations/solid_color_anim.h @@ -0,0 +1,14 @@ +#pragma once + +extern rgb_config_t rgb_matrix_config; + +bool rgb_matrix_solid_color(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { rgb_matrix_config.hue, rgb_matrix_config.sat, rgb_matrix_config.val }; + RGB rgb = hsv_to_rgb(hsv); + for (uint8_t i = led_min; i < led_max; i++) { + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} diff --git a/quantum/rgb_matrix_animations/solid_reactive_anim.h b/quantum/rgb_matrix_animations/solid_reactive_anim.h new file mode 100644 index 000000000..220e54233 --- /dev/null +++ b/quantum/rgb_matrix_animations/solid_reactive_anim.h @@ -0,0 +1,33 @@ +#pragma once +#if defined(RGB_MATRIX_KEYREACTIVE_ENABLED) +#ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE + +extern rgb_config_t rgb_matrix_config; +extern last_hit_t g_last_hit_tracker; + +bool rgb_matrix_solid_reactive(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { rgb_matrix_config.hue, 255, rgb_matrix_config.val }; + // Max tick based on speed scale ensures results from scale16by8 with rgb_matrix_config.speed are no greater than 255 + uint16_t max_tick = 65535 / rgb_matrix_config.speed; + // Relies on hue being 8-bit and wrapping + for (uint8_t i = led_min; i < led_max; i++) { + uint16_t tick = max_tick; + for(uint8_t j = 0; j < g_last_hit_tracker.count; j++) { + if (g_last_hit_tracker.index[j] == i && g_last_hit_tracker.tick[j] < tick) { + tick = g_last_hit_tracker.tick[j]; + break; + } + } + + uint16_t offset = scale16by8(tick, rgb_matrix_config.speed); + hsv.h = rgb_matrix_config.hue + qsub8(130, offset); + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON +#endif // defined(RGB_MATRIX_KEYREACTIVE_ENABLED) diff --git a/quantum/rgb_matrix_animations/solid_reactive_simple_anim.h b/quantum/rgb_matrix_animations/solid_reactive_simple_anim.h new file mode 100644 index 000000000..e84cd6939 --- /dev/null +++ b/quantum/rgb_matrix_animations/solid_reactive_simple_anim.h @@ -0,0 +1,32 @@ +#pragma once +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED +#ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE + +extern rgb_config_t rgb_matrix_config; +extern last_hit_t g_last_hit_tracker; + +bool rgb_matrix_solid_reactive_simple(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { rgb_matrix_config.hue, rgb_matrix_config.sat, 0 }; + // Max tick based on speed scale ensures results from scale16by8 with rgb_matrix_config.speed are no greater than 255 + uint16_t max_tick = 65535 / rgb_matrix_config.speed; + for (uint8_t i = led_min; i < led_max; i++) { + uint16_t tick = max_tick; + for(uint8_t j = 0; j < g_last_hit_tracker.count; j++) { + if (g_last_hit_tracker.index[j] == i && g_last_hit_tracker.tick[j] < tick) { + tick = g_last_hit_tracker.tick[j]; + break; + } + } + + uint16_t offset = scale16by8(tick, rgb_matrix_config.speed); + hsv.v = scale8(255 - offset, rgb_matrix_config.val); + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +#endif // DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED diff --git a/quantum/rgb_matrix_animations/solid_splash_anim.h b/quantum/rgb_matrix_animations/solid_splash_anim.h new file mode 100644 index 000000000..82ac055b8 --- /dev/null +++ b/quantum/rgb_matrix_animations/solid_splash_anim.h @@ -0,0 +1,42 @@ +#pragma once +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED +#if !defined(DISABLE_RGB_MATRIX_SOLID_SPLASH) || !defined(DISABLE_RGB_MATRIX_SOLID_MULTISPLASH) + +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; +extern last_hit_t g_last_hit_tracker; + +static bool rgb_matrix_solid_multisplash_range(uint8_t start, effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { rgb_matrix_config.hue, rgb_matrix_config.sat, 0 }; + uint8_t count = g_last_hit_tracker.count; + for (uint8_t i = led_min; i < led_max; i++) { + hsv.v = 0; + point_t point = g_rgb_leds[i].point; + for (uint8_t j = start; j < count; j++) { + int16_t dx = point.x - g_last_hit_tracker.x[j]; + int16_t dy = point.y - g_last_hit_tracker.y[j]; + uint8_t dist = sqrt16(dx * dx + dy * dy); + uint16_t effect = scale16by8(g_last_hit_tracker.tick[j], rgb_matrix_config.speed) - dist; + if (effect > 255) + effect = 255; + hsv.v = qadd8(hsv.v, 255 - effect); + } + hsv.v = scale8(hsv.v, rgb_matrix_config.val); + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +bool rgb_matrix_solid_multisplash(effect_params_t* params) { + return rgb_matrix_solid_multisplash_range(0, params); +} + +bool rgb_matrix_solid_splash(effect_params_t* params) { + return rgb_matrix_solid_multisplash_range(qsub8(g_last_hit_tracker.count, 1), params); +} + +#endif // !defined(DISABLE_RGB_MATRIX_SPLASH) && !defined(DISABLE_RGB_MATRIX_MULTISPLASH) +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED diff --git a/quantum/rgb_matrix_animations/splash_anim.h b/quantum/rgb_matrix_animations/splash_anim.h new file mode 100644 index 000000000..829d30eef --- /dev/null +++ b/quantum/rgb_matrix_animations/splash_anim.h @@ -0,0 +1,44 @@ +#pragma once +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED +#if !defined(DISABLE_RGB_MATRIX_SPLASH) || !defined(DISABLE_RGB_MATRIX_MULTISPLASH) + +extern const rgb_led g_rgb_leds[DRIVER_LED_TOTAL]; +extern rgb_config_t rgb_matrix_config; +extern last_hit_t g_last_hit_tracker; + +static bool rgb_matrix_multisplash_range(uint8_t start, effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + HSV hsv = { 0, rgb_matrix_config.sat, 0 }; + uint8_t count = g_last_hit_tracker.count; + for (uint8_t i = led_min; i < led_max; i++) { + hsv.h = rgb_matrix_config.hue; + hsv.v = 0; + point_t point = g_rgb_leds[i].point; + for (uint8_t j = start; j < count; j++) { + int16_t dx = point.x - g_last_hit_tracker.x[j]; + int16_t dy = point.y - g_last_hit_tracker.y[j]; + uint8_t dist = sqrt16(dx * dx + dy * dy); + uint16_t effect = scale16by8(g_last_hit_tracker.tick[j], rgb_matrix_config.speed) - dist; + if (effect > 255) + effect = 255; + hsv.h += effect; + hsv.v = qadd8(hsv.v, 255 - effect); + } + hsv.v = scale8(hsv.v, rgb_matrix_config.val); + RGB rgb = hsv_to_rgb(hsv); + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + return led_max < DRIVER_LED_TOTAL; +} + +bool rgb_matrix_multisplash(effect_params_t* params) { + return rgb_matrix_multisplash_range(0, params); +} + +bool rgb_matrix_splash(effect_params_t* params) { + return rgb_matrix_multisplash_range(qsub8(g_last_hit_tracker.count, 1), params); +} + +#endif // !defined(DISABLE_RGB_MATRIX_SPLASH) || !defined(DISABLE_RGB_MATRIX_MULTISPLASH) +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED diff --git a/quantum/rgb_matrix_types.h b/quantum/rgb_matrix_types.h new file mode 100644 index 000000000..f7643d2b0 --- /dev/null +++ b/quantum/rgb_matrix_types.h @@ -0,0 +1,90 @@ +#pragma once + +#include <stdint.h> +#include <stdbool.h> + +#if defined(__GNUC__) +#define PACKED __attribute__ ((__packed__)) +#else +#define PACKED +#endif + +#if defined(_MSC_VER) +#pragma pack( push, 1 ) +#endif + +#if defined(RGB_MATRIX_KEYPRESSES) || defined(RGB_MATRIX_KEYRELEASES) + #define RGB_MATRIX_KEYREACTIVE_ENABLED +#endif + +// Last led hit +#ifndef LED_HITS_TO_REMEMBER + #define LED_HITS_TO_REMEMBER 8 +#endif // LED_HITS_TO_REMEMBER + +#ifdef RGB_MATRIX_KEYREACTIVE_ENABLED +typedef struct PACKED { + uint8_t count; + uint8_t x[LED_HITS_TO_REMEMBER]; + uint8_t y[LED_HITS_TO_REMEMBER]; + uint8_t index[LED_HITS_TO_REMEMBER]; + uint16_t tick[LED_HITS_TO_REMEMBER]; +} last_hit_t; +#endif // RGB_MATRIX_KEYREACTIVE_ENABLED + +typedef enum rgb_task_states { + STARTING, + RENDERING, + FLUSHING, + SYNCING +} rgb_task_states; + +typedef uint8_t led_flags_t; + +typedef struct PACKED { + uint8_t iter; + led_flags_t flags; + bool init; +} effect_params_t; + +typedef struct PACKED { + // Global tick at 20 Hz + uint32_t tick; + // Ticks since this key was last hit. + uint32_t any_key_hit; +} rgb_counters_t; + +typedef struct PACKED { + uint8_t x; + uint8_t y; +} point_t; + +typedef union { + uint8_t raw; + struct { + uint8_t row:4; // 16 max + uint8_t col:4; // 16 max + }; +} matrix_co_t; + +typedef struct PACKED { + matrix_co_t matrix_co; + point_t point; + uint8_t modifier:1; +} rgb_led; + +typedef union { + uint32_t raw; + struct PACKED { + bool enable :1; + uint8_t mode :7; + uint8_t hue :8; + uint8_t sat :8; + uint8_t val :8; + uint8_t speed :8;//EECONFIG needs to be increased to support this + }; +} rgb_config_t; + +#if defined(_MSC_VER) +#pragma pack( pop ) +#endif |