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authorjoeycastillo <joeycastillo@utexas.edu>2023-02-03 15:45:39 -0600
committerjoeycastillo <joeycastillo@utexas.edu>2023-02-03 15:45:39 -0600
commit4fcf33d175119528ae4ec99c34c29656620c3aad (patch)
tree5e2b7dde5727605a4d5d5d76d441fa114179e6ab
parent60e431d3d7e19357ef86e19326d6b52166bdb55f (diff)
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work on pro LED, add rainbow test
-rw-r--r--apps/pro-rainbow-test/app.c64
-rwxr-xr-xapps/pro-rainbow-test/make/Makefile10
-rw-r--r--watch-library/hardware/watch/watch_led.c14
-rw-r--r--watch-library/hardware/watch/watch_private.c20
-rw-r--r--watch-library/shared/watch/watch_led.h10
-rw-r--r--watch-library/simulator/watch/watch_led.c5
6 files changed, 120 insertions, 3 deletions
diff --git a/apps/pro-rainbow-test/app.c b/apps/pro-rainbow-test/app.c
new file mode 100644
index 00000000..b26f39e6
--- /dev/null
+++ b/apps/pro-rainbow-test/app.c
@@ -0,0 +1,64 @@
+#include <stdio.h>
+#include <string.h>
+#include "watch.h"
+
+void app_init(void) {
+}
+
+void app_wake_from_backup(void) {
+}
+
+void app_setup(void) {
+ watch_enable_leds();
+}
+
+void app_prepare_for_standby(void) {
+}
+
+void app_wake_from_standby(void) {
+}
+
+bool app_loop(void) {
+ static uint8_t red = 0;
+ static uint8_t green = 0;
+ static uint8_t blue = 255;
+ static uint8_t phase = 0;
+
+ switch (phase) {
+ case 0:
+ red++;
+ if (red == 255) phase = 1;
+ break;
+ case 1:
+ green++;
+ if (green == 255) phase = 2;
+ break;
+ case 2:
+ red--;
+ if (red == 0) phase = 3;
+ break;
+ case 3:
+ blue++;
+ if (blue == 255) phase = 4;
+ break;
+ case 4:
+ green--;
+ if (green == 0) phase = 5;
+ break;
+ case 5:
+ red++;
+ if (red == 255) phase = 6;
+ break;
+ case 6:
+ blue--;
+ if (blue == 0) {
+ phase = 1;
+ }
+ break;
+ }
+
+ watch_set_led_color_rgb(red, green, blue);
+ delay_ms(2);
+
+ return false;
+}
diff --git a/apps/pro-rainbow-test/make/Makefile b/apps/pro-rainbow-test/make/Makefile
new file mode 100755
index 00000000..c66ad20c
--- /dev/null
+++ b/apps/pro-rainbow-test/make/Makefile
@@ -0,0 +1,10 @@
+TOP = ../../..
+include $(TOP)/make.mk
+
+INCLUDES += \
+ -I../
+
+SRCS += \
+ ../app.c
+
+include $(TOP)/rules.mk
diff --git a/watch-library/hardware/watch/watch_led.c b/watch-library/hardware/watch/watch_led.c
index 5e2d8ecf..ba5c043a 100644
--- a/watch-library/hardware/watch/watch_led.c
+++ b/watch-library/hardware/watch/watch_led.c
@@ -35,10 +35,24 @@ void watch_disable_leds(void) {
}
void watch_set_led_color(uint8_t red, uint8_t green) {
+#ifdef WATCH_BLUE_TCC_CHANNEL
+ watch_set_led_color_rgb(red, green, 0);
+#else
+ watch_set_led_color_rgb(red, green, green);
+#endif
+}
+
+void watch_set_led_color_rgb(uint8_t red, uint8_t green, uint8_t blue) {
+#ifndef WATCH_BLUE_TCC_CHANNEL
+ (void) blue; // silence warning
+#endif
if (hri_tcc_get_CTRLA_reg(TCC0, TCC_CTRLA_ENABLE)) {
uint32_t period = hri_tcc_get_PER_reg(TCC0, TCC_PER_MASK);
hri_tcc_write_CCBUF_reg(TCC0, WATCH_RED_TCC_CHANNEL, ((period * red * 1000ull) / 255000ull));
hri_tcc_write_CCBUF_reg(TCC0, WATCH_GREEN_TCC_CHANNEL, ((period * green * 1000ull) / 255000ull));
+#ifdef WATCH_BLUE_TCC_CHANNEL
+ hri_tcc_write_CCBUF_reg(TCC0, WATCH_BLUE_TCC_CHANNEL, ((period * blue * 1000ull) / 255000ull));
+#endif
}
}
diff --git a/watch-library/hardware/watch/watch_private.c b/watch-library/hardware/watch/watch_private.c
index d6da4404..b6548a77 100644
--- a/watch-library/hardware/watch/watch_private.c
+++ b/watch-library/hardware/watch/watch_private.c
@@ -140,11 +140,14 @@ void _watch_enable_tcc(void) {
// period (i.e. a square wave with a 50% duty cycle).
// * LEDs on CC[2] and CC[3] can be set to any value from 0 (off) to PER (fully on).
hri_tcc_write_WAVE_reg(TCC0, TCC_WAVE_WAVEGEN_NPWM);
- #ifdef WATCH_INVERT_LED_POLARITY
- // This is here for the dev board, which uses a common anode LED (instead of common cathode like the actual watch).
+#ifdef WATCH_INVERT_LED_POLARITY
+ // This is here for the dev board and Pro, which use a common anode LED (instead of common cathode like the actual watch).
hri_tcc_set_WAVE_reg(TCC0, (1 << (TCC_WAVE_POL0_Pos + WATCH_RED_TCC_CHANNEL)) |
+#ifdef WATCH_BLUE_TCC_CHANNEL
+ (1 << (TCC_WAVE_POL0_Pos + WATCH_BLUE_TCC_CHANNEL)) |
+#endif // WATCH_BLUE_TCC_CHANNEL
(1 << (TCC_WAVE_POL0_Pos + WATCH_GREEN_TCC_CHANNEL)));
- #endif
+#endif // WATCH_INVERT_LED_POLARITY
// The buzzer will set the period depending on the tone it wants to play, but we have to set some period here to
// get the LED working. Almost any period will do, tho it should be below 20000 (i.e. 50 Hz) to avoid flickering.
hri_tcc_write_PER_reg(TCC0, 1024);
@@ -152,6 +155,9 @@ void _watch_enable_tcc(void) {
hri_tcc_write_CC_reg(TCC0, WATCH_BUZZER_TCC_CHANNEL, 0);
hri_tcc_write_CC_reg(TCC0, WATCH_RED_TCC_CHANNEL, 0);
hri_tcc_write_CC_reg(TCC0, WATCH_GREEN_TCC_CHANNEL, 0);
+#ifdef WATCH_BLUE_TCC_CHANNEL
+ hri_tcc_write_CC_reg(TCC0, WATCH_BLUE_TCC_CHANNEL, 0);
+#endif
// Enable the TCC
hri_tcc_set_CTRLA_ENABLE_bit(TCC0);
hri_tcc_wait_for_sync(TCC0, TCC_SYNCBUSY_ENABLE);
@@ -161,6 +167,10 @@ void _watch_enable_tcc(void) {
gpio_set_pin_function(RED, WATCH_RED_TCC_PINMUX);
gpio_set_pin_direction(GREEN, GPIO_DIRECTION_OUT);
gpio_set_pin_function(GREEN, WATCH_GREEN_TCC_PINMUX);
+#ifdef WATCH_BLUE_TCC_CHANNEL
+ gpio_set_pin_direction(BLUE, GPIO_DIRECTION_OUT);
+ gpio_set_pin_function(BLUE, WATCH_BLUE_TCC_PINMUX);
+#endif
}
void _watch_disable_tcc(void) {
@@ -171,6 +181,10 @@ void _watch_disable_tcc(void) {
gpio_set_pin_function(RED, GPIO_PIN_FUNCTION_OFF);
gpio_set_pin_direction(GREEN, GPIO_DIRECTION_OFF);
gpio_set_pin_function(GREEN, GPIO_PIN_FUNCTION_OFF);
+#ifdef WATCH_BLUE_TCC_CHANNEL
+ gpio_set_pin_direction(BLUE, GPIO_DIRECTION_OFF);
+ gpio_set_pin_function(BLUE, GPIO_PIN_FUNCTION_OFF);
+#endif
// disable the TCC
hri_tcc_clear_CTRLA_ENABLE_bit(TCC0);
diff --git a/watch-library/shared/watch/watch_led.h b/watch-library/shared/watch/watch_led.h
index 7e2dea2e..fcb8c5e7 100644
--- a/watch-library/shared/watch/watch_led.h
+++ b/watch-library/shared/watch/watch_led.h
@@ -63,6 +63,16 @@ void watch_disable_leds(void);
*/
void watch_set_led_color(uint8_t red, uint8_t green);
+/** @brief On boards with an RGB LED, sets the LED to a custom color by modulating each output's duty cycle.
+ * @param red The red value from 0-255.
+ * @param green The green value from 0-255.
+ * @param blue The blue value from 0-255.
+ * @note If you are displaying a custom color, you will need to prevent your app from going to sleep
+ * while the LED is on; otherwise, the color will not display correctly. You can do this by
+ * returning false in your app_loop method.
+ */
+void watch_set_led_color_rgb(uint8_t red, uint8_t green, uint8_t blue);
+
/** @brief Sets the red LED to full brightness, and turns the green LED off.
* @details Of the two LED's in the RG bi-color LED, the red LED is the less power-efficient one (~4.5 mA).
*/
diff --git a/watch-library/simulator/watch/watch_led.c b/watch-library/simulator/watch/watch_led.c
index 636dc74f..584611fe 100644
--- a/watch-library/simulator/watch/watch_led.c
+++ b/watch-library/simulator/watch/watch_led.c
@@ -44,6 +44,11 @@ void watch_set_led_color(uint8_t red, uint8_t green) {
}, red, green);
}
+void watch_set_led_color_rgb(uint8_t red, uint8_t green, uint8_t blue) {
+ (void) blue;
+ watch_set_led_color(red, green);
+}
+
void watch_set_led_red(void) {
watch_set_led_color(255, 0);
}