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author | Jack Humbert <jack.humb@gmail.com> | 2017-07-11 20:23:26 +0200 |
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committer | Jack Humbert <jack.humb@gmail.com> | 2017-07-11 20:23:26 +0200 |
commit | cc468523dfec8175939f575a214714eea8aaa7a3 (patch) | |
tree | 2e50037483a8f895fed2842ec630a512d16ab11e /drivers/avr | |
parent | 387b07404a1c3f7e8de15345157d4d0fb482d28c (diff) | |
download | qmk_firmware-cc468523dfec8175939f575a214714eea8aaa7a3.tar.gz qmk_firmware-cc468523dfec8175939f575a214714eea8aaa7a3.tar.xz |
clean up ssd1306 implementation
Diffstat (limited to 'drivers/avr')
-rw-r--r-- | drivers/avr/ssd1306.c | 174 | ||||
-rw-r--r-- | drivers/avr/ssd1306.h | 77 |
2 files changed, 91 insertions, 160 deletions
diff --git a/drivers/avr/ssd1306.c b/drivers/avr/ssd1306.c index e454f5437..03a909e9d 100644 --- a/drivers/avr/ssd1306.c +++ b/drivers/avr/ssd1306.c @@ -1,7 +1,6 @@ #ifdef SSD1306OLED #include "ssd1306.h" -#include "config.h" #include "i2c.h" #include <string.h> #include "print.h" @@ -13,18 +12,7 @@ #include "lufa.h" #endif #include "sendchar.h" -#include "pincontrol.h" - -//assign the right code to your layers -#define _BASE 0 -#define _LOWER 8 -#define _RAISE 16 -#define _FNLAYER 64 -#define _NUMLAY 128 -#define _NLOWER 136 -#define _NFNLAYER 192 -#define _MOUSECURSOR 256 -#define _ADJUST 65560 +#include "timer.h" // Set this to 1 to help diagnose early startup problems // when testing power-on with ble. Turn it off otherwise, @@ -32,26 +20,6 @@ // with the matrix scan, causing keys to drop. #define DEBUG_TO_SCREEN 0 -// Controls the SSD1306 128x32 OLED display via i2c - -#define i2cAddress 0x3C - -#define DisplayHeight 32 -#define DisplayWidth 128 - -#define FontHeight 8 -#define FontWidth 6 - -#define MatrixRows (DisplayHeight / FontHeight) -#define MatrixCols (DisplayWidth / FontWidth) - -struct CharacterMatrix { - uint8_t display[MatrixRows][MatrixCols]; - uint8_t *cursor; - bool dirty; -}; - -static struct CharacterMatrix display; //static uint16_t last_battery_update; //static uint32_t vbat; //#define BatteryUpdateInterval 10000 /* milliseconds */ @@ -61,54 +29,13 @@ static uint8_t displaying; #endif static uint16_t last_flush; -enum ssd1306_cmds { - DisplayOff = 0xAE, - DisplayOn = 0xAF, - - SetContrast = 0x81, - DisplayAllOnResume = 0xA4, - - DisplayAllOn = 0xA5, - NormalDisplay = 0xA6, - InvertDisplay = 0xA7, - SetDisplayOffset = 0xD3, - SetComPins = 0xda, - SetVComDetect = 0xdb, - SetDisplayClockDiv = 0xD5, - SetPreCharge = 0xd9, - SetMultiPlex = 0xa8, - SetLowColumn = 0x00, - SetHighColumn = 0x10, - SetStartLine = 0x40, - - SetMemoryMode = 0x20, - ColumnAddr = 0x21, - PageAddr = 0x22, - - ComScanInc = 0xc0, - ComScanDec = 0xc8, - SegRemap = 0xa0, - SetChargePump = 0x8d, - ExternalVcc = 0x01, - SwitchCapVcc = 0x02, - - ActivateScroll = 0x2f, - DeActivateScroll = 0x2e, - SetVerticalScrollArea = 0xa3, - RightHorizontalScroll = 0x26, - LeftHorizontalScroll = 0x27, - VerticalAndRightHorizontalScroll = 0x29, - VerticalAndLeftHorizontalScroll = 0x2a, -}; - - // Write command sequence. // Returns true on success. static inline bool _send_cmd1(uint8_t cmd) { bool res = false; - if (i2c_start_write(i2cAddress)) { - xprintf("failed to start write to %d\n", i2cAddress); + if (i2c_start_write(SSD1306_ADDRESS)) { + xprintf("failed to start write to %d\n", SSD1306_ADDRESS); goto done; } @@ -153,8 +80,6 @@ static inline bool _send_cmd3(uint8_t cmd, uint8_t opr1, uint8_t opr2) { #define send_cmd2(c,o) if (!_send_cmd2(c,o)) {goto done;} #define send_cmd3(c,o1,o2) if (!_send_cmd3(c,o1,o2)) {goto done;} -static void matrix_clear(struct CharacterMatrix *matrix); - static void clear_display(void) { matrix_clear(&display); @@ -163,7 +88,7 @@ static void clear_display(void) { send_cmd3(PageAddr, 0, (DisplayHeight / 8) - 1); send_cmd3(ColumnAddr, 0, DisplayWidth - 1); - if (i2c_start_write(i2cAddress)) { + if (i2c_start_write(SSD1306_ADDRESS)) { goto done; } if (i2c_master_write(0x40)) { @@ -262,7 +187,7 @@ done: return success; } -static void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c) { +void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c) { *matrix->cursor = c; ++matrix->cursor; @@ -275,7 +200,7 @@ static void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c) { } } -static void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c) { +void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c) { matrix->dirty = true; if (c == '\n') { @@ -296,7 +221,7 @@ void iota_gfx_write_char(uint8_t c) { matrix_write_char(&display, c); } -static void matrix_write(struct CharacterMatrix *matrix, const char *data) { +void matrix_write(struct CharacterMatrix *matrix, const char *data) { const char *end = data + strlen(data); while (data < end) { matrix_write_char(matrix, *data); @@ -308,7 +233,7 @@ void iota_gfx_write(const char *data) { matrix_write(&display, data); } -static void matrix_write_P(struct CharacterMatrix *matrix, const char *data) { +void matrix_write_P(struct CharacterMatrix *matrix, const char *data) { while (true) { uint8_t c = pgm_read_byte(data); if (c == 0) { @@ -323,7 +248,7 @@ void iota_gfx_write_P(const char *data) { matrix_write_P(&display, data); } -static void matrix_clear(struct CharacterMatrix *matrix) { +void matrix_clear(struct CharacterMatrix *matrix) { memset(matrix->display, ' ', sizeof(matrix->display)); matrix->cursor = &matrix->display[0][0]; matrix->dirty = true; @@ -333,7 +258,7 @@ void iota_gfx_clear_screen(void) { matrix_clear(&display); } -static void matrix_render(struct CharacterMatrix *matrix) { +void matrix_render(struct CharacterMatrix *matrix) { last_flush = timer_read(); iota_gfx_on(); #if DEBUG_TO_SCREEN @@ -344,7 +269,7 @@ static void matrix_render(struct CharacterMatrix *matrix) { send_cmd3(PageAddr, 0, MatrixRows - 1); send_cmd3(ColumnAddr, 0, (MatrixCols * FontWidth) - 1); - if (i2c_start_write(i2cAddress)) { + if (i2c_start_write(SSD1306_ADDRESS)) { goto done; } if (i2c_master_write(0x40)) { @@ -379,84 +304,13 @@ void iota_gfx_flush(void) { matrix_render(&display); } -static void matrix_update(struct CharacterMatrix *dest, - const struct CharacterMatrix *source) { - if (memcmp(dest->display, source->display, sizeof(dest->display))) { - memcpy(dest->display, source->display, sizeof(dest->display)); - dest->dirty = true; - } -} - -static void render_status_info(void) { -#if DEBUG_TO_SCREEN - if (debug_enable) { - return; - } -#endif - - struct CharacterMatrix matrix; - - matrix_clear(&matrix); - matrix_write_P(&matrix, PSTR("USB: ")); -#ifdef PROTOCOL_LUFA - switch (USB_DeviceState) { - case DEVICE_STATE_Unattached: - matrix_write_P(&matrix, PSTR("Unattached")); - break; - case DEVICE_STATE_Suspended: - matrix_write_P(&matrix, PSTR("Suspended")); - break; - case DEVICE_STATE_Configured: - matrix_write_P(&matrix, PSTR("Connected")); - break; - case DEVICE_STATE_Powered: - matrix_write_P(&matrix, PSTR("Powered")); - break; - case DEVICE_STATE_Default: - matrix_write_P(&matrix, PSTR("Default")); - break; - case DEVICE_STATE_Addressed: - matrix_write_P(&matrix, PSTR("Addressed")); - break; - default: - matrix_write_P(&matrix, PSTR("Invalid")); - } -#endif +__attribute__((weak)) +void iota_gfx_task_user(void) { -// Define layers here, Have not worked out how to have text displayed for each layer. Copy down the number you see and add a case for it below - - char buf[40]; - snprintf(buf,sizeof(buf), "Undef-%ld", layer_state); - matrix_write_P(&matrix, PSTR("\n\nLayer: ")); - switch (layer_state) { - case _BASE: - matrix_write_P(&matrix, PSTR("Default")); - break; - case _RAISE: - matrix_write_P(&matrix, PSTR("Raise")); - break; - case _LOWER: - matrix_write_P(&matrix, PSTR("Lower")); - break; - case _ADJUST: - matrix_write_P(&matrix, PSTR("ADJUST")); - break; - default: - matrix_write(&matrix, buf); - } - - // Host Keyboard LED Status - char led[40]; - snprintf(led, sizeof(led), "\n%s %s %s", - (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : " ", - (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : " ", - (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : " "); - matrix_write(&matrix, led); - matrix_update(&display, &matrix); } void iota_gfx_task(void) { - render_status_info(); + iota_gfx_task_user(); if (display.dirty) { iota_gfx_flush(); diff --git a/drivers/avr/ssd1306.h b/drivers/avr/ssd1306.h index b0c74f987..1b6f8a493 100644 --- a/drivers/avr/ssd1306.h +++ b/drivers/avr/ssd1306.h @@ -3,6 +3,71 @@ #include <stdbool.h> #include <stdio.h> +#include "pincontrol.h" +#include "config.h" + +enum ssd1306_cmds { + DisplayOff = 0xAE, + DisplayOn = 0xAF, + + SetContrast = 0x81, + DisplayAllOnResume = 0xA4, + + DisplayAllOn = 0xA5, + NormalDisplay = 0xA6, + InvertDisplay = 0xA7, + SetDisplayOffset = 0xD3, + SetComPins = 0xda, + SetVComDetect = 0xdb, + SetDisplayClockDiv = 0xD5, + SetPreCharge = 0xd9, + SetMultiPlex = 0xa8, + SetLowColumn = 0x00, + SetHighColumn = 0x10, + SetStartLine = 0x40, + + SetMemoryMode = 0x20, + ColumnAddr = 0x21, + PageAddr = 0x22, + + ComScanInc = 0xc0, + ComScanDec = 0xc8, + SegRemap = 0xa0, + SetChargePump = 0x8d, + ExternalVcc = 0x01, + SwitchCapVcc = 0x02, + + ActivateScroll = 0x2f, + DeActivateScroll = 0x2e, + SetVerticalScrollArea = 0xa3, + RightHorizontalScroll = 0x26, + LeftHorizontalScroll = 0x27, + VerticalAndRightHorizontalScroll = 0x29, + VerticalAndLeftHorizontalScroll = 0x2a, +}; + +// Controls the SSD1306 128x32 OLED display via i2c + +#ifndef SSD1306_ADDRESS +#define SSD1306_ADDRESS 0x3C +#endif + +#define DisplayHeight 32 +#define DisplayWidth 128 + +#define FontHeight 8 +#define FontWidth 6 + +#define MatrixRows (DisplayHeight / FontHeight) +#define MatrixCols (DisplayWidth / FontWidth) + +struct CharacterMatrix { + uint8_t display[MatrixRows][MatrixCols]; + uint8_t *cursor; + bool dirty; +}; + +struct CharacterMatrix display; bool iota_gfx_init(void); void iota_gfx_task(void); @@ -14,4 +79,16 @@ void iota_gfx_write(const char *data); void iota_gfx_write_P(const char *data); void iota_gfx_clear_screen(void); +__attribute__((weak)) +void iota_gfx_task_user(void); + +void matrix_clear(struct CharacterMatrix *matrix); +void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c); +void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c); +void matrix_write(struct CharacterMatrix *matrix, const char *data); +void matrix_write_P(struct CharacterMatrix *matrix, const char *data); +void matrix_render(struct CharacterMatrix *matrix); + + + #endif |