From 5cdfcb08fbcaca99c92c157eb929a38ddf6415bb Mon Sep 17 00:00:00 2001 From: fishsoupisgood Date: Mon, 15 Jun 2020 12:47:22 +0100 Subject: working 2nd display --- app/Makefile | 3 +- app/font21x32.c | 114 +++++++ app/font8x16.c | 15 +- app/font8x8.c | 10 +- app/i2c.c | 2 + app/i2c_hw.c | 273 +++++++++------ app/main.c | 12 +- app/oled.c | 187 ++-------- app/oled.h | 2 + app/oled1.c | 127 +++++++ app/oled2.c | 127 +++++++ app/prototypes.h | 82 +++-- app/tacho.h | 1 - app/ticker.c | 3 +- doc/rm0008.pdf | Bin 0 -> 13016697 bytes doc/stm32f103c8.pdf | Bin 0 -> 1697666 bytes doc/stm32f103c8t6_pinout_voltage01.png | Bin 0 -> 679565 bytes make_fonts/21x32.c | 605 +++++++++++++++++++++++++++++++++ 18 files changed, 1253 insertions(+), 310 deletions(-) create mode 100644 app/font21x32.c create mode 100644 app/oled1.c create mode 100644 app/oled2.c create mode 100644 doc/rm0008.pdf create mode 100644 doc/stm32f103c8.pdf create mode 100644 doc/stm32f103c8t6_pinout_voltage01.png create mode 100644 make_fonts/21x32.c diff --git a/app/Makefile b/app/Makefile index 1a6088a..7fa09f4 100644 --- a/app/Makefile +++ b/app/Makefile @@ -23,7 +23,8 @@ PROG=speedo V=1 default: ${PROG}.elf -CSRCS=main.c led.c i2c.c usart.c ring.c ticker.c oled.c i2c_hw.c font8x8.c font8x16.c tacho.c +CSRCS=main.c led.c i2c.c usart.c ring.c ticker.c oled.c i2c_hw.c font8x8.c font8x16.c tacho.c oled1.c oled2.c font21x32.c + HSRCS=i2c.h oled.h project.h ring.h BINARY = ${PROG} diff --git a/app/font21x32.c b/app/font21x32.c new file mode 100644 index 0000000..67d1018 --- /dev/null +++ b/app/font21x32.c @@ -0,0 +1,114 @@ +#include "project.h" + +static uint8_t font21x32[][84] = { + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, + 0xfc, 0xfe, 0xff, 0x07, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x0f, + 0xff, 0xfe, 0xfc, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x3f, 0x7f, 0xff, + 0xe0, 0xc0, 0x80, 0x80, 0x80, 0x80, 0x80, 0xc0, 0xf8, 0xff, 0x7f, 0x3f, + 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x06, 0x06, 0x06, 0x06, 0x02, 0x02, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xc0, + 0xc0, 0xc0, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, + 0x1e, 0x1f, 0x1f, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x83, 0xc7, 0xff, + 0xff, 0xfe, 0x7c, 0x38, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xe0, 0xe0, 0xf0, + 0xf0, 0xf8, 0xfc, 0xf4, 0xf6, 0xf3, 0xf3, 0xf1, 0xf1, 0xf1, 0xf0, 0xfc, + 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x3c, 0x7e, 0x7f, 0x7b, 0x11, 0x01, 0x01, 0x01, 0x01, 0x83, 0xff, 0xff, + 0xfe, 0xfe, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, + 0x00, 0x04, 0x04, 0x04, 0x04, 0x0e, 0x0f, 0x3b, 0xfb, 0xf9, 0xf0, 0xe0, + 0xc0, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x3f, 0x3f, 0x6f, 0x6e, 0x40, 0xc0, + 0xc0, 0xc0, 0xc0, 0x60, 0x78, 0x7f, 0x3f, 0x3f, 0x1f, 0x07, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0x60, 0x38, 0x0c, 0xfe, 0xff, 0xff, + 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xe0, 0xf0, 0xdc, 0xc6, + 0xc3, 0xc1, 0xc0, 0xc0, 0xc0, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xc0, 0xc0, + 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, + 0x60, 0x60, 0x60, 0x7f, 0x7f, 0x7f, 0x7f, 0x60, 0x60, 0x60, 0x40, 0x00,}, + {0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xff, 0xff, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x0f, 0x0f, 0x0f, 0x07, + 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x8f, 0x8f, + 0x06, 0x02, 0x03, 0x03, 0x01, 0x03, 0x03, 0x1e, 0xfe, 0xfc, 0xfc, 0xf0, + 0xc0, 0x00, 0x00, 0x00, 0x00, 0x07, 0x1f, 0x37, 0x67, 0x63, 0x40, 0xc0, + 0xc0, 0xc0, 0x40, 0x60, 0x78, 0x7f, 0x3f, 0x1f, 0x0f, 0x01, 0x00, 0x00,}, + {0x00, 0x00, 0x80, 0xe0, 0xf0, 0xf8, 0xfc, 0x1e, 0x06, 0x02, 0x03, 0x03, + 0x03, 0x03, 0x3b, 0x7e, 0x7e, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, + 0xff, 0xff, 0xff, 0xff, 0x0c, 0x06, 0x02, 0x02, 0x02, 0x02, 0x06, 0xfe, + 0xfc, 0xf8, 0xf0, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x07, 0x1f, 0x3f, 0x7f, + 0xff, 0xc0, 0xc0, 0x80, 0x80, 0x80, 0x80, 0xc0, 0xff, 0x7f, 0x7f, 0x1f, + 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, + 0x1f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0xcf, 0xef, 0x7f, + 0x3f, 0x0f, 0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xc0, 0xf0, 0xfc, 0xfe, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xff, 0xff, + 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0xf0, 0xfc, 0xfe, 0xc2, 0x82, 0x03, 0x03, 0x03, 0x03, + 0x03, 0x03, 0x06, 0xfe, 0xfc, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, + 0xc1, 0xe7, 0xef, 0x3f, 0x1f, 0x1f, 0x3f, 0x3e, 0x7e, 0xfc, 0xfe, 0xfb, + 0xfb, 0xf1, 0xe0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x7f, 0x7f, 0xe0, + 0xc0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xc1, 0x63, 0x7f, 0x3f, + 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, + 0xfc, 0xfe, 0xfe, 0xff, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x07, 0xff, + 0xfe, 0xfc, 0xf8, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0f, 0x1f, 0x3f, + 0x7f, 0x60, 0x40, 0x40, 0x40, 0x40, 0x20, 0x18, 0xff, 0xff, 0xff, 0xff, + 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x7e, 0x7e, 0x5c, 0xc0, 0xc0, + 0xc0, 0x40, 0x60, 0x70, 0x38, 0x3f, 0x1f, 0x0f, 0x03, 0x00, 0x00, 0x00,}, +}; + + + +/* this can be budget, since it can only fit one way vertically*/ + +void +font21x32_put_ch (uint8_t * vram, unsigned ch, unsigned x) +{ + if ((ch >= '0') && (ch <= '9')) + ch -= '0' - 1; + else + ch = 0; + + + oled_blit_strip (vram, x, x + 21, 0xff, 0, font21x32[ch]); + x += SSD1306_WIDTH; + oled_blit_strip (vram, x, x + 21, 0xff, 0, &font21x32[ch][21]); + x += SSD1306_WIDTH; + oled_blit_strip (vram, x, x + 21, 0xff, 0, &font21x32[ch][42]); + x += SSD1306_WIDTH; + oled_blit_strip (vram, x, x + 21, 0xff, 0, &font21x32[ch][63]); +} + + +void +font21x32_put_str (uint8_t * vram, char *str, unsigned x) +{ + while (*str) + { + font21x32_put_ch (vram, *(str++), x); + x += 21; + } +} diff --git a/app/font8x16.c b/app/font8x16.c index 48358f8..3591129 100644 --- a/app/font8x16.c +++ b/app/font8x16.c @@ -516,7 +516,7 @@ static uint8_t font8x16[][16] = { }; void -font8x16_put_ch (unsigned ch, unsigned x, unsigned y) +font8x16_put_ch (uint8_t * vram, unsigned ch, unsigned x, unsigned y) { unsigned shift = y & 7; unsigned page = y >> 3; @@ -524,7 +524,7 @@ font8x16_put_ch (unsigned ch, unsigned x, unsigned y) x += page * SSD1306_WIDTH; - oled_blit_strip (x, x + 8, 0xff << shift, shift, font8x16[ch]); + oled_blit_strip (vram, x, x + 8, 0xff << shift, shift, font8x16[ch]); x += SSD1306_WIDTH; @@ -533,18 +533,19 @@ font8x16_put_ch (unsigned ch, unsigned x, unsigned y) if (shift) { - oled_blit_strip (x, x + 8, mask, -shift, font8x16[ch]); + oled_blit_strip (vram, x, x + 8, mask, -shift, font8x16[ch]); } shift = y & 7; - oled_blit_strip (x, x + 8, ~mask & (0xff << shift), shift, + oled_blit_strip (vram, x, x + 8, ~mask & (0xff << shift), shift, &font8x16[ch][8]); if (shift) { x += SSD1306_WIDTH; shift = 8 - shift; - oled_blit_strip (x, x + 8, 0xff >> shift, -shift, &font8x16[ch][8]); + oled_blit_strip (vram, x, x + 8, 0xff >> shift, -shift, + &font8x16[ch][8]); } @@ -552,11 +553,11 @@ font8x16_put_ch (unsigned ch, unsigned x, unsigned y) void -font8x16_put_str (char *str, unsigned x, unsigned y) +font8x16_put_str (uint8_t * vram, char *str, unsigned x, unsigned y) { while (*str) { - font8x16_put_ch (*(str++), x, y); + font8x16_put_ch (vram, *(str++), x, y); x += 8; } } diff --git a/app/font8x8.c b/app/font8x8.c index 6d0eee1..4d49aa7 100644 --- a/app/font8x8.c +++ b/app/font8x8.c @@ -260,31 +260,31 @@ static uint8_t font8x8[][8] = { }; void -font8x8_put_ch (unsigned ch, unsigned x, unsigned y) +font8x8_put_ch (uint8_t * vram, unsigned ch, unsigned x, unsigned y) { unsigned shift = y & 7; unsigned page = y >> 3; x += page * SSD1306_WIDTH; - oled_blit_strip (x, x + 8, 0xff << shift, shift, font8x8[ch]); + oled_blit_strip (vram, x, x + 8, 0xff << shift, shift, font8x8[ch]); if (shift) { x += SSD1306_WIDTH; shift = 8 - shift; - oled_blit_strip (x, x + 8, 0xff >> shift, -shift, font8x8[ch]); + oled_blit_strip (vram, x, x + 8, 0xff >> shift, -shift, font8x8[ch]); } } void -font8x8_put_str (char *str, unsigned x, unsigned y) +font8x8_put_str (uint8_t * vram, char *str, unsigned x, unsigned y) { while (*str) { - font8x8_put_ch (*(str++), x, y); + font8x8_put_ch (vram, *(str++), x, y); x += 8; } } diff --git a/app/i2c.c b/app/i2c.c index bf25256..edead09 100644 --- a/app/i2c.c +++ b/app/i2c.c @@ -1,3 +1,5 @@ +#include "project.h" + static int mutex = 0; int diff --git a/app/i2c_hw.c b/app/i2c_hw.c index 1dd352c..35bde08 100644 --- a/app/i2c_hw.c +++ b/app/i2c_hw.c @@ -1,12 +1,15 @@ #include "project.h" -#define I2C I2C1 +#define SCL1 GPIO6 +#define SDA1 GPIO7 +#define SCL1_PORT GPIOB +#define SDA1_PORT GPIOB -#define SCL GPIO6 -#define SDA GPIO7 -#define SCL_PORT GPIOB -#define SDA_PORT GPIOB +#define SCL2 GPIO10 +#define SDA2 GPIO11 +#define SCL2_PORT GPIOB +#define SDA2_PORT GPIOB void i2c_clear_start (uint32_t i2c) @@ -14,66 +17,53 @@ i2c_clear_start (uint32_t i2c) I2C_CR1 (i2c) &= ~(uint32_t) I2C_CR1_START; } -#if 0 -static void -i2cp_ds (void) -{ - uint32_t i2c = I2C; - printf ("CR1=%08x CR2=%08x\n", (unsigned) I2C_CR1 (i2c), - (unsigned) I2C_CR2 (i2c)); - printf ("SR1=%08x SR2=%08x\n", (unsigned) I2C_SR1 (i2c), - (unsigned) I2C_SR2 (i2c)); - - - usart1_drain (); -} -#endif - - -void -i2cp_start (void) +int +i2cp_start (uint32_t i2c) { - i2c_send_start (I2C); - while (!((I2C_SR1 (I2C) & I2C_SR1_SB) - & (I2C_SR2 (I2C) & (I2C_SR2_MSL | I2C_SR2_BUSY)))); + uint32_t timeout = 1000; + i2c_send_start (i2c); + while (!((I2C_SR1 (i2c) & I2C_SR1_SB) + & (I2C_SR2 (i2c) & (I2C_SR2_MSL | I2C_SR2_BUSY))) && (timeout--)); + + return timeout ? 0 : -1; } void -i2cp_abort_start (void) +i2cp_abort_start (uint32_t i2c) { - i2c_clear_start (I2C); + i2c_clear_start (i2c); delay_us (10); } void -i2cp_stop (void) +i2cp_stop (uint32_t i2c) { - i2c_send_stop (I2C); + i2c_send_stop (i2c); } void -i2cp_abort_stop (void) +i2cp_abort_stop (uint32_t i2c) { - i2c_clear_stop (I2C); + i2c_clear_stop (i2c); delay_us (10); } int -i2cp_send (uint8_t v) +i2cp_send (uint32_t i2c, uint8_t v) { uint32_t reg; uint32_t timeout = 1000; - i2c_send_data (I2C, v); + i2c_send_data (i2c, v); while (! ((reg = - I2C_SR1 (I2C)) & (I2C_SR1_BTF | I2C_SR1_BERR | I2C_SR1_ARLO | + I2C_SR1 (i2c)) & (I2C_SR1_BTF | I2C_SR1_BERR | I2C_SR1_ARLO | I2C_SR1_AF | I2C_SR1_PECERR | I2C_SR1_TIMEOUT | I2C_SR1_SMBALERT)) && (timeout--)); - I2C_SR1 (I2C) = + I2C_SR1 (i2c) = reg & ~(I2C_SR1_BERR | I2C_SR1_ARLO | I2C_SR1_AF | I2C_SR1_PECERR | I2C_SR1_TIMEOUT | I2C_SR1_SMBALERT); @@ -86,32 +76,32 @@ i2cp_send (uint8_t v) /*0 on success 1 on failure*/ int -i2cp_start_transaction (uint8_t a, int wnr) +i2cp_start_transaction (uint32_t i2c, uint8_t a, int wnr) { uint32_t reg; uint32_t __attribute__((unused)) dummy; uint32_t timeout = 1000; - i2c_send_start (I2C); - while (!((I2C_SR1 (I2C) & I2C_SR1_SB) - & (I2C_SR2 (I2C) & (I2C_SR2_MSL | I2C_SR2_BUSY))) && (timeout--)); + i2c_send_start (i2c); + while (!((I2C_SR1 (i2c) & I2C_SR1_SB) + & (I2C_SR2 (i2c) & (I2C_SR2_MSL | I2C_SR2_BUSY))) && (timeout--)); if (!timeout) return -1; - i2c_send_7bit_address (I2C, a, wnr); + i2c_send_7bit_address (i2c, a, wnr); while (! ((reg = - I2C_SR1 (I2C)) & (I2C_SR1_ADDR | I2C_SR1_BERR | I2C_SR1_ARLO | + I2C_SR1 (i2c)) & (I2C_SR1_ADDR | I2C_SR1_BERR | I2C_SR1_ARLO | I2C_SR1_AF | I2C_SR1_PECERR | I2C_SR1_TIMEOUT | I2C_SR1_SMBALERT)) && (timeout--)); if (!timeout) return -1; - dummy = I2C_SR2 (I2C); + dummy = I2C_SR2 (i2c); - I2C_SR1 (I2C) = + I2C_SR1 (i2c) = reg & ~(I2C_SR1_BERR | I2C_SR1_ARLO | I2C_SR1_AF | I2C_SR1_PECERR | I2C_SR1_TIMEOUT | I2C_SR1_SMBALERT); @@ -122,40 +112,75 @@ i2cp_start_transaction (uint8_t a, int wnr) /*This is stupid, it bit bangs a dummy transaction to get the host i2c controller back in the game */ void -i2cp_reset_sm (void) +i2cp1_reset_sm (void) { int i; - MAP_OUTPUT_PP (SCL); - MAP_OUTPUT_PP (SDA); + MAP_OUTPUT_PP (SCL1); + MAP_OUTPUT_PP (SDA1); - SET (SDA); - SET (SCL); + SET (SDA1); + SET (SCL1); delay_us (10); - CLEAR (SDA); + CLEAR (SDA1); delay_us (10); - CLEAR (SCL); + CLEAR (SCL1); for (i = 0; i < 9; ++i) { delay_us (10); - SET (SCL); + SET (SCL1); delay_us (10); - CLEAR (SCL); + CLEAR (SCL1); delay_us (10); } - SET (SCL); + SET (SCL1); delay_us (10); - SET (SDA); + SET (SDA1); delay_us (10); - MAP_AF_OD (SCL); - MAP_AF_OD (SDA); + MAP_AF_OD (SCL1); + MAP_AF_OD (SDA1); } void -i2cp_start_dma (uint8_t * buf, int len) +i2cp2_reset_sm (void) +{ + int i; + + MAP_OUTPUT_PP (SCL2); + MAP_OUTPUT_PP (SDA2); + + SET (SDA2); + SET (SCL2); + delay_us (10); + CLEAR (SDA2); + delay_us (10); + CLEAR (SCL2); + + for (i = 0; i < 9; ++i) + { + delay_us (10); + SET (SCL2); + delay_us (10); + CLEAR (SCL2); + delay_us (10); + } + SET (SCL2); + delay_us (10); + SET (SDA2); + delay_us (10); + + MAP_AF_OD (SCL2); + MAP_AF_OD (SDA2); + +} + + + +void +i2cp1_start_dma (uint8_t * buf, int len) { dma_channel_reset (DMA1, DMA_CHANNEL6); dma_set_peripheral_address (DMA1, DMA_CHANNEL6, (uint32_t) & I2C1_DR); @@ -171,103 +196,149 @@ i2cp_start_dma (uint8_t * buf, int len) dma_enable_channel (DMA1, DMA_CHANNEL6); i2c_enable_dma (I2C1); +} + +void +i2cp2_start_dma (uint8_t * buf, int len) +{ + dma_channel_reset (DMA1, DMA_CHANNEL4); + dma_set_peripheral_address (DMA1, DMA_CHANNEL4, (uint32_t) & I2C2_DR); + dma_set_memory_address (DMA1, DMA_CHANNEL4, (uint32_t) buf); + dma_set_number_of_data (DMA1, DMA_CHANNEL4, len); + dma_set_read_from_memory (DMA1, DMA_CHANNEL4); + dma_enable_memory_increment_mode (DMA1, DMA_CHANNEL4); + dma_set_peripheral_size (DMA1, DMA_CHANNEL4, DMA_CCR_PSIZE_8BIT); + dma_set_memory_size (DMA1, DMA_CHANNEL4, DMA_CCR_MSIZE_8BIT); + dma_set_priority (DMA1, DMA_CHANNEL4, DMA_CCR_PL_MEDIUM); + dma_enable_transfer_complete_interrupt (DMA1, DMA_CHANNEL4); + dma_enable_transfer_error_interrupt (DMA1, DMA_CHANNEL4); + dma_enable_channel (DMA1, DMA_CHANNEL4); + + i2c_enable_dma (I2C2); } + int -i2cp_dma_in_progress (void) +i2cp1_dma_in_progress (void) { return !(DMA1_ISR & (DMA_ISR_TCIF6 | DMA_ISR_TEIF6)); } void -i2cp_stop_dma (void) +i2cp1_stop_dma (void) { - DMA1_IFCR |= DMA_IFCR_CTCIF7 | DMA_IFCR_CTEIF6 | DMA_IFCR_CGIF6; + DMA1_IFCR |= DMA_IFCR_CTCIF6 | DMA_IFCR_CTEIF6 | DMA_IFCR_CGIF6; dma_disable_transfer_complete_interrupt (DMA1, DMA_CHANNEL6); dma_disable_transfer_error_interrupt (DMA1, DMA_CHANNEL6); i2c_disable_dma (I2C1); - dma_disable_channel (DMA1, DMA_CHANNEL7); + dma_disable_channel (DMA1, DMA_CHANNEL6); +} + +void +i2cp2_stop_dma (void) +{ + DMA1_IFCR |= DMA_IFCR_CTCIF4 | DMA_IFCR_CTEIF4 | DMA_IFCR_CGIF4; + + dma_disable_transfer_complete_interrupt (DMA1, DMA_CHANNEL4); + dma_disable_transfer_error_interrupt (DMA1, DMA_CHANNEL4); + + i2c_disable_dma (I2C2); + dma_disable_channel (DMA1, DMA_CHANNEL4); } + void -i2cp_reset (void) +i2cp_reset (uint32_t i2c) { while (i2c_lock ()); - i2cp_start (); - i2cp_abort_start (); - i2cp_stop (); - i2cp_abort_stop (); - - i2cp_start (); - i2cp_abort_start (); - i2cp_stop (); - i2cp_abort_stop (); + i2cp_start (i2c); + i2cp_abort_start (i2c); + i2cp_stop (i2c); + i2cp_abort_stop (i2c); + + i2cp_start (i2c); + i2cp_abort_start (i2c); + i2cp_stop (i2c); + i2cp_abort_stop (i2c); i2c_unlock (); } void -i2cp_scan (void) +i2cp_scan (uint32_t i2c) { int i, r; - i2cp_reset (); + i2cp_reset (i2c); printf ("Probing bus\n"); for (i = 0; i < 128; ++i) { printf ("%d\n", i); while (i2c_lock ()); - i2cp_start (); - i2cp_abort_start (); - i2cp_stop (); - i2cp_abort_stop (); + i2cp_start (i2c); + i2cp_abort_start (i2c); + i2cp_stop (i2c); + i2cp_abort_stop (i2c); delay_ms (10); - r = i2cp_start_transaction (i, I2C_WRITE); - i2cp_stop (); + r = i2cp_start_transaction (i2c, i, I2C_WRITE); + i2cp_stop (i2c); i2c_unlock (); if (!r) printf ("Found device at address 0x%x\n", i); usart1_drain (); } printf ("Done\n"); - i2cp_reset (); + i2cp_reset (i2c); } -void -i2cp_init (void) +static void +i2cp_bringup (uint32_t i2c) { - rcc_periph_clock_enable (RCC_I2C1); - rcc_periph_clock_enable (RCC_DMA1); + i2c_peripheral_enable (i2c); + i2c_clear_start (i2c); + i2c_clear_stop (i2c); + i2c_reset (i2c); + i2c_peripheral_enable (i2c); - while (i2c_lock ()); + I2C_CR1 (i2c) |= I2C_CR1_SWRST; + delay_us (1000); + I2C_CR1 (i2c) &= ~I2C_CR1_SWRST; - i2c_peripheral_enable (I2C); - i2c_clear_start (I2C); - i2c_clear_stop (I2C); - i2c_reset (I2C); - i2c_peripheral_enable (I2C); + if (i2c == I2C1) + i2cp1_reset_sm (); + else + i2cp2_reset_sm (); - I2C_CR1 (I2C) |= I2C_CR1_SWRST; - delay_us (1000); - I2C_CR1 (I2C) &= ~I2C_CR1_SWRST; + i2c_set_clock_frequency (i2c, I2C_CR2_FREQ_36MHZ); + i2c_set_standard_mode (i2c); + i2c_set_ccr (i2c, 0x80); /* t_high=t_high=CCR * Tpclk1 */ + i2c_set_trise (i2c, 0x0b); + + i2c_set_own_7bit_slave_address (i2c, 0x00); + + i2c_peripheral_enable (i2c); +} - i2cp_reset_sm (); - i2c_set_clock_frequency (I2C, I2C_CR2_FREQ_36MHZ); - i2c_set_standard_mode (I2C); - i2c_set_ccr (I2C, 0x80); /* t_high=t_high=CCR * Tpclk1 */ - i2c_set_trise (I2C, 0x0b); +void +i2cp_init (void) +{ + rcc_periph_clock_enable (RCC_I2C1); + rcc_periph_clock_enable (RCC_I2C2); + rcc_periph_clock_enable (RCC_DMA1); + + while (i2c_lock ()); - i2c_set_own_7bit_slave_address (I2C, 0x00); + i2cp_bringup (I2C1); + i2cp_bringup (I2C2); - i2c_peripheral_enable (I2C); i2c_unlock (); } diff --git a/app/main.c b/app/main.c index 1106316..1604357 100644 --- a/app/main.c +++ b/app/main.c @@ -42,11 +42,12 @@ main (void) led_set (); - oled_init (); + oled1_init (); + oled2_init (); tacho_init (); - font8x8_put_str ("ABC fish soup!", 0, 0); + font8x8_put_str (vram_1, "ABC fish soup!", 0, 0); MAP_OUTPUT_PP (WIGGLE); @@ -56,10 +57,13 @@ main (void) char buf[20]; sprintf (buf, "%6u rpm", (unsigned) raw_tacho); - font8x16_put_str (buf, 30, 8); + font8x16_put_str (vram_1, buf, 30, 8); sprintf (buf, "%8d", cnt++); - font8x8_put_str (buf, 0, 24); + font8x8_put_str (vram_1, buf, 0, 24); + + sprintf (buf, "%6d", cnt >> 4); + font21x32_put_str (vram_2, buf, 0); if (cnt & 1) diff --git a/app/oled.c b/app/oled.c index dec54f2..e0c0bee 100644 --- a/app/oled.c +++ b/app/oled.c @@ -1,18 +1,8 @@ #include "project.h" -#define DMA_BUF_SZ (2 + (SSD1306_VRAM_SIZE)) - -uint8_t dma_buf[DMA_BUF_SZ]; -uint8_t update_buf[DMA_BUF_SZ]; -static int dma_in_progress = 0; -static int refresh_enabled = 0; -static uint32_t refresh_wdt = 0; -static int oled_sad = 0; - - int -ssd1306_cmds (uint8_t * buf, size_t len, int delay) +ssd1306_cmds (uint32_t i2c, uint8_t * buf, size_t len, int delay) { int ret = -1; @@ -22,17 +12,17 @@ ssd1306_cmds (uint8_t * buf, size_t len, int delay) do { - if (i2cp_start_transaction (SSD1306_I2C_ADDRESS, I2C_WRITE)) + if (i2cp_start_transaction (i2c, SSD1306_I2C_ADDRESS, I2C_WRITE)) break; - if (i2cp_send (SSD1306_COMMAND)) + if (i2cp_send (i2c, SSD1306_COMMAND)) break; while (len--) - if (i2cp_send (*(buf++))) + if (i2cp_send (i2c, *(buf++))) break; - i2cp_stop (); + i2cp_stop (i2c); if (delay) delay_us (delay); @@ -48,141 +38,47 @@ ssd1306_cmds (uint8_t * buf, size_t len, int delay) } int -ssd1306_cmd (uint8_t cmd, int delay) +ssd1306_cmd (uint32_t i2c, uint8_t cmd, int delay) { - return ssd1306_cmds (&cmd, 1, delay); -} - - - -static void -start_dma (void) -{ - uint8_t cmds[] = { - SSD1306_SET_PAGE_ADDR, 0, 0xff, - SSD1306_SET_COLUMN_ADDR, 0, SSD1306_WIDTH - 1 - }; - - if (dma_in_progress) - return; - - - memcpy (dma_buf, update_buf, DMA_BUF_SZ); - - if (ssd1306_cmds (cmds, sizeof (cmds), 0)) - { - oled_sad++; - return; - } - - if (i2cp_start_transaction (SSD1306_I2C_ADDRESS, I2C_WRITE)) - { - oled_sad++; - return; - } - - refresh_wdt = 0; - dma_in_progress = 1; - - i2cp_start_dma (dma_buf, DMA_BUF_SZ); + return ssd1306_cmds (i2c, &cmd, 1, delay); } void -dma1_channel6_isr (void) -{ - if (dma_in_progress) - { - i2cp_stop_dma (); - - i2cp_stop (); - dma_in_progress = 0; - } - - if (refresh_enabled) - start_dma (); -} - -void -oled_refresh_wdt (void) -{ - if (!refresh_enabled) - return; - - - - refresh_wdt++; - - - if ((refresh_wdt < 1000) && (!oled_sad)) - return; - - refresh_wdt = 0; - -/*No refresh for 1s, restart everything */ - - i2cp_stop_dma (); - i2cp_stop (); - dma_in_progress = 0; - - if (oled_sad) - { - oled_sad = 0; - i2cp_reset_sm (); - } - - start_dma (); - -} - -static void -dma_generate_stream (void) +oled_generate_stream (uint8_t * vram) { - memset (update_buf, 0, DMA_BUF_SZ); - update_buf[0] = SSD1306_DATA_CONTINUE; + memset (vram, 0, DMA_BUF_SZ); + vram[0] = SSD1306_DATA_CONTINUE; } -void -oled_enable_refresh (void) -{ - refresh_enabled = 1; - start_dma (); -} - void -oled_disable_refresh (void) +oled_cls (uint8_t * vram) { - refresh_enabled = 0; - while (dma_in_progress); -} - -void -oled_cls (void) -{ - memset (update_buf + 1, 0, SSD1306_VRAM_SIZE); + memset (vram + 1, 0, SSD1306_VRAM_SIZE); } void -oled_on (void) +oled_on (uint32_t i2c) { - ssd1306_cmd (SSD1306_DISPLAY_ON, 0); + ssd1306_cmd (i2c, SSD1306_DISPLAY_ON, 0); } void -oled_off (void) +oled_off (uint32_t i2c) { - ssd1306_cmd (SSD1306_DISPLAY_OFF, 0); + ssd1306_cmd (i2c, SSD1306_DISPLAY_OFF, 0); } +#if 0 void oled_squirt (void) { @@ -206,9 +102,10 @@ oled_squirt (void) i2c_unlock (); } +#endif void -oled_reset (void) +oled_reset (uint32_t i2c) { uint8_t init[] = { SSD1306_DISPLAY_OFF, @@ -231,25 +128,26 @@ oled_reset (void) SSD1306_DISPLAY_ON, }; - ssd1306_cmds (init, sizeof (init), 0); + ssd1306_cmds (i2c, init, sizeof (init), 0); } void -oled_const_strip (int x, int xe, uint8_t and, uint8_t or) +oled_const_strip (uint8_t * vram, int x, int xe, uint8_t and, uint8_t or) { uint8_t r; for (x++; x <= xe; ++x) { - r = update_buf[x] & and; - update_buf[x] = r | or; + r = vram[x] & and; + vram[x] = r | or; } } void -oled_blit_strip (int x, int xe, uint8_t mask, int shift, uint8_t * src) +oled_blit_strip (uint8_t * vram, int x, int xe, uint8_t mask, int shift, + uint8_t * src) { uint8_t r, s; @@ -261,8 +159,8 @@ oled_blit_strip (int x, int xe, uint8_t mask, int shift, uint8_t * src) s = *(src++); s <<= shift; s &= mask; - r = update_buf[x] & ~mask; - update_buf[x] = r | s; + r = vram[x] & ~mask; + vram[x] = r | s; } } @@ -274,8 +172,8 @@ oled_blit_strip (int x, int xe, uint8_t mask, int shift, uint8_t * src) s = *(src++); s >>= shift; s &= mask; - r = update_buf[x] & ~mask; - update_buf[x] = r | s; + r = vram[x] & ~mask; + vram[x] = r | s; } } else @@ -284,31 +182,8 @@ oled_blit_strip (int x, int xe, uint8_t mask, int shift, uint8_t * src) { s = *(src++); s &= mask; - r = update_buf[x] & ~mask; - update_buf[x] = r | s; + r = vram[x] & ~mask; + vram[x] = r | s; } } } - - - -void -oled_init () -{ - oled_reset (); - - delay_us (100); - - dma_generate_stream (); - - nvic_enable_irq (NVIC_DMA1_CHANNEL6_IRQ); - oled_enable_refresh (); -} - - -void -oled_shutdown (void) -{ - oled_disable_refresh (); - oled_off (); -} diff --git a/app/oled.h b/app/oled.h index 8fac35a..0786981 100644 --- a/app/oled.h +++ b/app/oled.h @@ -45,3 +45,5 @@ #define SSD1306_HEIGHT 32 #define SSD1306_VRAM_SIZE (SSD1306_WIDTH * ((SSD1306_HEIGHT + 7) >> 3)) + +#define DMA_BUF_SZ (2 + (SSD1306_VRAM_SIZE)) diff --git a/app/oled1.c b/app/oled1.c new file mode 100644 index 0000000..48c6167 --- /dev/null +++ b/app/oled1.c @@ -0,0 +1,127 @@ +#include "project.h" + + +static uint8_t dma_buf[DMA_BUF_SZ]; +uint8_t vram_1[DMA_BUF_SZ]; + +static int dma_in_progress = 0; +static int refresh_enabled = 0; +static uint32_t refresh_wdt = 0; +static int oled_sad = 0; + + +static void +start_dma (void) +{ + uint8_t cmds[] = { + SSD1306_SET_PAGE_ADDR, 0, 0xff, + SSD1306_SET_COLUMN_ADDR, 0, SSD1306_WIDTH - 1 + }; + + if (dma_in_progress) + return; + + + memcpy (dma_buf, vram_1, DMA_BUF_SZ); + + if (ssd1306_cmds (I2C1, cmds, sizeof (cmds), 0)) + { + oled_sad++; + return; + } + + if (i2cp_start_transaction (I2C1, SSD1306_I2C_ADDRESS, I2C_WRITE)) + { + oled_sad++; + return; + } + + refresh_wdt = 0; + dma_in_progress = 1; + + i2cp1_start_dma (dma_buf, DMA_BUF_SZ); +} + + + +void +dma1_channel6_isr (void) +{ + if (dma_in_progress) + { + i2cp1_stop_dma (); + + i2cp_stop (I2C1); + dma_in_progress = 0; + } + + if (refresh_enabled) + start_dma (); +} + +void +oled1_ticker (void) +{ + if (!refresh_enabled) + return; + + refresh_wdt++; + + if ((refresh_wdt < 1000) && (!oled_sad)) + return; + + refresh_wdt = 0; + +/*No refresh for 1s, restart everything */ + + i2cp1_stop_dma (); + i2cp_stop (I2C1); + dma_in_progress = 0; + + if (oled_sad) + { + oled_sad = 0; + i2cp1_reset_sm (); + } + + start_dma (); + +} + +void +oled1_enable_refresh (void) +{ + refresh_enabled = 1; + start_dma (); +} + + +void +oled1_disable_refresh (void) +{ + refresh_enabled = 0; + while (dma_in_progress); +} + + + +void +oled1_init (void) +{ + oled_reset (I2C1); + + delay_us (100); + + oled_generate_stream (vram_1); + + nvic_enable_irq (NVIC_DMA1_CHANNEL6_IRQ); + oled1_enable_refresh (); +} + + +void +oled1_shutdown (void) +{ + oled1_disable_refresh (); + oled_off (I2C1); +} diff --git a/app/oled2.c b/app/oled2.c new file mode 100644 index 0000000..331e5b7 --- /dev/null +++ b/app/oled2.c @@ -0,0 +1,127 @@ +#include "project.h" + + +static uint8_t dma_buf[DMA_BUF_SZ]; +uint8_t vram_2[DMA_BUF_SZ]; + +static int dma_in_progress = 0; +static int refresh_enabled = 0; +static uint32_t refresh_wdt = 0; +static int oled_sad = 0; + + +static void +start_dma (void) +{ + uint8_t cmds[] = { + SSD1306_SET_PAGE_ADDR, 0, 0xff, + SSD1306_SET_COLUMN_ADDR, 0, SSD1306_WIDTH - 1 + }; + + if (dma_in_progress) + return; + + + memcpy (dma_buf, vram_2, DMA_BUF_SZ); + + if (ssd1306_cmds (I2C2, cmds, sizeof (cmds), 0)) + { + oled_sad++; + return; + } + + if (i2cp_start_transaction (I2C2, SSD1306_I2C_ADDRESS, I2C_WRITE)) + { + oled_sad++; + return; + } + + refresh_wdt = 0; + dma_in_progress = 1; + + i2cp2_start_dma (dma_buf, DMA_BUF_SZ); +} + + + +void +dma1_channel4_isr (void) +{ + if (dma_in_progress) + { + i2cp2_stop_dma (); + + i2cp_stop (I2C2); + dma_in_progress = 0; + } + + if (refresh_enabled) + start_dma (); +} + +void +oled2_ticker (void) +{ + if (!refresh_enabled) + return; + + refresh_wdt++; + + if ((refresh_wdt < 1000) && (!oled_sad)) + return; + + refresh_wdt = 0; + +/*No refresh for 1s, restart everything */ + + i2cp2_stop_dma (); + i2cp_stop (I2C2); + dma_in_progress = 0; + + if (oled_sad) + { + oled_sad = 0; + i2cp2_reset_sm (); + } + + start_dma (); + +} + +void +oled2_enable_refresh (void) +{ + refresh_enabled = 1; + start_dma (); +} + + +void +oled2_disable_refresh (void) +{ + refresh_enabled = 0; + while (dma_in_progress); +} + + + +void +oled2_init (void) +{ + oled_reset (I2C2); + + delay_us (100); + + oled_generate_stream (vram_2); + + nvic_enable_irq (NVIC_DMA1_CHANNEL4_IRQ); + oled2_enable_refresh (); +} + + +void +oled2_shutdown (void) +{ + oled2_disable_refresh (); + oled_off (I2C2); +} diff --git a/app/prototypes.h b/app/prototypes.h index 19b92f0..60ba26c 100644 --- a/app/prototypes.h +++ b/app/prototypes.h @@ -28,45 +28,59 @@ extern void sys_tick_handler(void); extern void delay_ms(uint32_t d); extern void ticker_init(void); /* oled.c */ -extern uint8_t dma_buf[(2 + ((128 * ((32 + 7) >> 3))))]; -extern uint8_t update_buf[(2 + ((128 * ((32 + 7) >> 3))))]; -extern int ssd1306_cmds(uint8_t *buf, size_t len, int delay); -extern int ssd1306_cmd(uint8_t cmd, int delay); -extern void dma1_channel6_isr(void); -extern void oled_refresh_wdt(void); -extern void oled_enable_refresh(void); -extern void oled_disable_refresh(void); -extern void oled_cls(void); -extern void oled_on(void); -extern void oled_off(void); -extern void oled_squirt(void); -extern void oled_reset(void); -extern void oled_const_strip(int x, int xe, uint8_t and, uint8_t or); -extern void oled_blit_strip(int x, int xe, uint8_t mask, int shift, uint8_t *src); -extern void oled_init(void); -extern void oled_shutdown(void); +extern int ssd1306_cmds(uint32_t i2c, uint8_t *buf, size_t len, int delay); +extern int ssd1306_cmd(uint32_t i2c, uint8_t cmd, int delay); +extern void oled_generate_stream(uint8_t *vram); +extern void oled_cls(uint8_t *vram); +extern void oled_on(uint32_t i2c); +extern void oled_off(uint32_t i2c); +extern void oled_reset(uint32_t i2c); +extern void oled_const_strip(uint8_t *vram, int x, int xe, uint8_t and, uint8_t or); +extern void oled_blit_strip(uint8_t *vram, int x, int xe, uint8_t mask, int shift, uint8_t *src); /* i2c_hw.c */ extern void i2c_clear_start(uint32_t i2c); -extern void i2cp_start(void); -extern void i2cp_abort_start(void); -extern void i2cp_stop(void); -extern void i2cp_abort_stop(void); -extern int i2cp_send(uint8_t v); -extern int i2cp_start_transaction(uint8_t a, int wnr); -extern void i2cp_reset_sm(void); -extern void i2cp_start_dma(uint8_t *buf, int len); -extern int i2cp_dma_in_progress(void); -extern void i2cp_stop_dma(void); -extern void i2cp_reset(void); -extern void i2cp_scan(void); +extern int i2cp_start(uint32_t i2c); +extern void i2cp_abort_start(uint32_t i2c); +extern void i2cp_stop(uint32_t i2c); +extern void i2cp_abort_stop(uint32_t i2c); +extern int i2cp_send(uint32_t i2c, uint8_t v); +extern int i2cp_start_transaction(uint32_t i2c, uint8_t a, int wnr); +extern void i2cp1_reset_sm(void); +extern void i2cp2_reset_sm(void); +extern void i2cp1_start_dma(uint8_t *buf, int len); +extern void i2cp2_start_dma(uint8_t *buf, int len); +extern int i2cp1_dma_in_progress(void); +extern void i2cp1_stop_dma(void); +extern void i2cp2_stop_dma(void); +extern void i2cp_reset(uint32_t i2c); +extern void i2cp_scan(uint32_t i2c); extern void i2cp_init(void); /* font8x8.c */ -extern void font8x8_put_ch(unsigned ch, unsigned x, unsigned y); -extern void font8x8_put_str(char *str, unsigned x, unsigned y); +extern void font8x8_put_ch(uint8_t *vram, unsigned ch, unsigned x, unsigned y); +extern void font8x8_put_str(uint8_t *vram, char *str, unsigned x, unsigned y); /* font8x16.c */ -extern void font8x16_put_ch(unsigned ch, unsigned x, unsigned y); -extern void font8x16_put_str(char *str, unsigned x, unsigned y); +extern void font8x16_put_ch(uint8_t *vram, unsigned ch, unsigned x, unsigned y); +extern void font8x16_put_str(uint8_t *vram, char *str, unsigned x, unsigned y); /* tacho.c */ extern uint32_t raw_tacho; -extern void exit3_isr(void); +extern void exti3_isr(void); extern void tacho_init(void); +/* oled1.c */ +extern uint8_t vram_1[(2 + ((128 * ((32 + 7) >> 3))))]; +extern void dma1_channel6_isr(void); +extern void oled1_ticker(void); +extern void oled1_enable_refresh(void); +extern void oled1_disable_refresh(void); +extern void oled1_init(void); +extern void oled1_shutdown(void); +/* oled2.c */ +extern uint8_t vram_2[(2 + ((128 * ((32 + 7) >> 3))))]; +extern void dma1_channel4_isr(void); +extern void oled2_ticker(void); +extern void oled2_enable_refresh(void); +extern void oled2_disable_refresh(void); +extern void oled2_init(void); +extern void oled2_shutdown(void); +/* font21x32.c */ +extern void font21x32_put_ch(uint8_t *vram, unsigned ch, unsigned x); +extern void font21x32_put_str(uint8_t *vram, char *str, unsigned x); diff --git a/app/tacho.h b/app/tacho.h index d756e9b..a044ae7 100644 --- a/app/tacho.h +++ b/app/tacho.h @@ -3,4 +3,3 @@ #define TACHO GPIO3 #define TACHO_PORT GPIOB #define TACHO_ISR exti3_isr - diff --git a/app/ticker.c b/app/ticker.c index c0008fe..15d5e3f 100644 --- a/app/ticker.c +++ b/app/ticker.c @@ -23,7 +23,8 @@ sys_tick_handler (void) led_tick (); - oled_refresh_wdt (); + oled1_ticker (); + oled2_ticker (); ticks++; } diff --git a/doc/rm0008.pdf b/doc/rm0008.pdf new file mode 100644 index 0000000..8f3d0e1 Binary files /dev/null and b/doc/rm0008.pdf differ diff --git a/doc/stm32f103c8.pdf b/doc/stm32f103c8.pdf new file mode 100644 index 0000000..2723cee Binary files /dev/null and b/doc/stm32f103c8.pdf differ diff --git a/doc/stm32f103c8t6_pinout_voltage01.png b/doc/stm32f103c8t6_pinout_voltage01.png new file mode 100644 index 0000000..2c22a74 Binary files /dev/null and b/doc/stm32f103c8t6_pinout_voltage01.png differ diff --git a/make_fonts/21x32.c b/make_fonts/21x32.c new file mode 100644 index 0000000..7e379ef --- /dev/null +++ b/make_fonts/21x32.c @@ -0,0 +1,605 @@ +#include + +/* 21x32x10*/ + +unsigned char f[] = { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, + 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, + 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, + 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, + 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, + 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, + 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, + 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, + 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, + 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, + 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 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0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, + 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff +}; + + +int +main (int argc, char *argv[]) +{ + unsigned c; + unsigned x; + unsigned y; + unsigned v; + unsigned b; + unsigned o, p, q; + + for (c = 0; c < 10; ++c) + { + o = c * (21 * 32); + + printf ("{ "); + + for (q = 0; q < 4; ++q) + { + for (x = 0; x < 21; ++x, ++o) + { + + for (p = o, v = 0, y = 0, b = 1; y < 8; ++y, p += 21, b <<= 1) + if (!f[p]) + v |= b; + + + printf ("0x%02x, ", v); + } + + o += 21 * 7; + + } + + printf ("},\n"); + } + +} -- cgit v1.2.3