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author | skullY <skullydazed@gmail.com> | 2019-08-30 11:19:03 -0700 |
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committer | skullydazed <skullydazed@users.noreply.github.com> | 2019-08-30 15:01:52 -0700 |
commit | b624f32f944acdc59dcb130674c09090c5c404cb (patch) | |
tree | bc13adbba137d122d9a2c2fb2fafcbb08ac10e25 /drivers/avr/ssd1306.c | |
parent | 61af76a10d00aba185b8338604171de490a13e3b (diff) | |
download | qmk_firmware-b624f32f944acdc59dcb130674c09090c5c404cb.tar.gz qmk_firmware-b624f32f944acdc59dcb130674c09090c5c404cb.zip |
clang-format changes
Diffstat (limited to 'drivers/avr/ssd1306.c')
-rw-r--r-- | drivers/avr/ssd1306.c | 427 |
1 files changed, 211 insertions, 216 deletions
diff --git a/drivers/avr/ssd1306.c b/drivers/avr/ssd1306.c index bb8938bba3..61d7a99531 100644 --- a/drivers/avr/ssd1306.c +++ b/drivers/avr/ssd1306.c @@ -1,325 +1,320 @@ #ifdef SSD1306OLED -#include "ssd1306.h" -#include "i2c.h" -#include <string.h> -#include "print.h" -#include "glcdfont.c" -#ifdef ADAFRUIT_BLE_ENABLE -#include "adafruit_ble.h" -#endif -#ifdef PROTOCOL_LUFA -#include "lufa.h" -#endif -#include "sendchar.h" -#include "timer.h" +# include "ssd1306.h" +# include "i2c.h" +# include <string.h> +# include "print.h" +# include "glcdfont.c" +# ifdef ADAFRUIT_BLE_ENABLE +# include "adafruit_ble.h" +# endif +# ifdef PROTOCOL_LUFA +# include "lufa.h" +# endif +# include "sendchar.h" +# include "timer.h" // Set this to 1 to help diagnose early startup problems // when testing power-on with ble. Turn it off otherwise, // as the latency of printing most of the debug info messes // with the matrix scan, causing keys to drop. -#define DEBUG_TO_SCREEN 0 +# define DEBUG_TO_SCREEN 0 -//static uint16_t last_battery_update; -//static uint32_t vbat; +// static uint16_t last_battery_update; +// static uint32_t vbat; //#define BatteryUpdateInterval 10000 /* milliseconds */ -#define ScreenOffInterval 300000 /* milliseconds */ -#if DEBUG_TO_SCREEN +# define ScreenOffInterval 300000 /* milliseconds */ +# if DEBUG_TO_SCREEN static uint8_t displaying; -#endif +# endif static uint16_t last_flush; // Write command sequence. // Returns true on success. static inline bool _send_cmd1(uint8_t cmd) { - bool res = false; + bool res = false; - if (i2c_start_write(SSD1306_ADDRESS)) { - xprintf("failed to start write to %d\n", SSD1306_ADDRESS); - goto done; - } + if (i2c_start_write(SSD1306_ADDRESS)) { + xprintf("failed to start write to %d\n", SSD1306_ADDRESS); + goto done; + } - if (i2c_master_write(0x0 /* command byte follows */)) { - print("failed to write control byte\n"); + if (i2c_master_write(0x0 /* command byte follows */)) { + print("failed to write control byte\n"); - goto done; - } + goto done; + } - if (i2c_master_write(cmd)) { - xprintf("failed to write command %d\n", cmd); - goto done; - } - res = true; + if (i2c_master_write(cmd)) { + xprintf("failed to write command %d\n", cmd); + goto done; + } + res = true; done: - i2c_master_stop(); - return res; + i2c_master_stop(); + return res; } // Write 2-byte command sequence. // Returns true on success static inline bool _send_cmd2(uint8_t cmd, uint8_t opr) { - if (!_send_cmd1(cmd)) { - return false; - } - return _send_cmd1(opr); + if (!_send_cmd1(cmd)) { + return false; + } + return _send_cmd1(opr); } // Write 3-byte command sequence. // Returns true on success static inline bool _send_cmd3(uint8_t cmd, uint8_t opr1, uint8_t opr2) { - if (!_send_cmd1(cmd)) { - return false; - } - if (!_send_cmd1(opr1)) { - return false; - } - return _send_cmd1(opr2); + if (!_send_cmd1(cmd)) { + return false; + } + if (!_send_cmd1(opr1)) { + return false; + } + return _send_cmd1(opr2); } -#define send_cmd1(c) if (!_send_cmd1(c)) {goto done;} -#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;} +# define send_cmd1(c) \ + if (!_send_cmd1(c)) { \ + goto done; \ + } +# 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 clear_display(void) { - matrix_clear(&display); - - // Clear all of the display bits (there can be random noise - // in the RAM on startup) - send_cmd3(PageAddr, 0, (DisplayHeight / 8) - 1); - send_cmd3(ColumnAddr, 0, DisplayWidth - 1); - - if (i2c_start_write(SSD1306_ADDRESS)) { - goto done; - } - if (i2c_master_write(0x40)) { - // Data mode - goto done; - } - for (uint8_t row = 0; row < MatrixRows; ++row) { - for (uint8_t col = 0; col < DisplayWidth; ++col) { - i2c_master_write(0); + matrix_clear(&display); + + // Clear all of the display bits (there can be random noise + // in the RAM on startup) + send_cmd3(PageAddr, 0, (DisplayHeight / 8) - 1); + send_cmd3(ColumnAddr, 0, DisplayWidth - 1); + + if (i2c_start_write(SSD1306_ADDRESS)) { + goto done; + } + if (i2c_master_write(0x40)) { + // Data mode + goto done; + } + for (uint8_t row = 0; row < MatrixRows; ++row) { + for (uint8_t col = 0; col < DisplayWidth; ++col) { + i2c_master_write(0); + } } - } - display.dirty = false; + display.dirty = false; done: - i2c_master_stop(); + i2c_master_stop(); } -#if DEBUG_TO_SCREEN -#undef sendchar +# if DEBUG_TO_SCREEN +# undef sendchar static int8_t capture_sendchar(uint8_t c) { - sendchar(c); - iota_gfx_write_char(c); + sendchar(c); + iota_gfx_write_char(c); - if (!displaying) { - iota_gfx_flush(); - } - return 0; + if (!displaying) { + iota_gfx_flush(); + } + return 0; } -#endif +# endif bool iota_gfx_init(void) { - bool success = false; + bool success = false; - send_cmd1(DisplayOff); - send_cmd2(SetDisplayClockDiv, 0x80); - send_cmd2(SetMultiPlex, DisplayHeight - 1); + send_cmd1(DisplayOff); + send_cmd2(SetDisplayClockDiv, 0x80); + send_cmd2(SetMultiPlex, DisplayHeight - 1); - send_cmd2(SetDisplayOffset, 0); + send_cmd2(SetDisplayOffset, 0); + send_cmd1(SetStartLine | 0x0); + send_cmd2(SetChargePump, 0x14 /* Enable */); + send_cmd2(SetMemoryMode, 0 /* horizontal addressing */); - send_cmd1(SetStartLine | 0x0); - send_cmd2(SetChargePump, 0x14 /* Enable */); - send_cmd2(SetMemoryMode, 0 /* horizontal addressing */); +# ifdef OLED_ROTATE180 + // the following Flip the display orientation 180 degrees + send_cmd1(SegRemap); + send_cmd1(ComScanInc); +# endif +# ifndef OLED_ROTATE180 + // Flips the display orientation 0 degrees + send_cmd1(SegRemap | 0x1); + send_cmd1(ComScanDec); +# endif -#ifdef OLED_ROTATE180 -// the following Flip the display orientation 180 degrees - send_cmd1(SegRemap); - send_cmd1(ComScanInc); -#endif -#ifndef OLED_ROTATE180 -// Flips the display orientation 0 degrees - send_cmd1(SegRemap | 0x1); - send_cmd1(ComScanDec); -#endif - - send_cmd2(SetComPins, 0x2); - send_cmd2(SetContrast, 0x8f); - send_cmd2(SetPreCharge, 0xf1); - send_cmd2(SetVComDetect, 0x40); - send_cmd1(DisplayAllOnResume); - send_cmd1(NormalDisplay); - send_cmd1(DeActivateScroll); - send_cmd1(DisplayOn); + send_cmd2(SetComPins, 0x2); + send_cmd2(SetContrast, 0x8f); + send_cmd2(SetPreCharge, 0xf1); + send_cmd2(SetVComDetect, 0x40); + send_cmd1(DisplayAllOnResume); + send_cmd1(NormalDisplay); + send_cmd1(DeActivateScroll); + send_cmd1(DisplayOn); - send_cmd2(SetContrast, 0); // Dim + send_cmd2(SetContrast, 0); // Dim - clear_display(); + clear_display(); - success = true; + success = true; - iota_gfx_flush(); + iota_gfx_flush(); -#if DEBUG_TO_SCREEN - print_set_sendchar(capture_sendchar); -#endif +# if DEBUG_TO_SCREEN + print_set_sendchar(capture_sendchar); +# endif done: - return success; + return success; } bool iota_gfx_off(void) { - bool success = false; + bool success = false; - send_cmd1(DisplayOff); - success = true; + send_cmd1(DisplayOff); + success = true; done: - return success; -} + return success; +} bool iota_gfx_on(void) { - bool success = false; + bool success = false; - send_cmd1(DisplayOn); - success = true; + send_cmd1(DisplayOn); + success = true; done: - return success; + return success; } void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c) { - *matrix->cursor = c; - ++matrix->cursor; - - if (matrix->cursor - &matrix->display[0][0] == sizeof(matrix->display)) { - // We went off the end; scroll the display upwards by one line - memmove(&matrix->display[0], &matrix->display[1], - MatrixCols * (MatrixRows - 1)); - matrix->cursor = &matrix->display[MatrixRows - 1][0]; - memset(matrix->cursor, ' ', MatrixCols); - } + *matrix->cursor = c; + ++matrix->cursor; + + if (matrix->cursor - &matrix->display[0][0] == sizeof(matrix->display)) { + // We went off the end; scroll the display upwards by one line + memmove(&matrix->display[0], &matrix->display[1], MatrixCols * (MatrixRows - 1)); + matrix->cursor = &matrix->display[MatrixRows - 1][0]; + memset(matrix->cursor, ' ', MatrixCols); + } } void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c) { - matrix->dirty = true; + matrix->dirty = true; - if (c == '\n') { - // Clear to end of line from the cursor and then move to the - // start of the next line - uint8_t cursor_col = (matrix->cursor - &matrix->display[0][0]) % MatrixCols; + if (c == '\n') { + // Clear to end of line from the cursor and then move to the + // start of the next line + uint8_t cursor_col = (matrix->cursor - &matrix->display[0][0]) % MatrixCols; - while (cursor_col++ < MatrixCols) { - matrix_write_char_inner(matrix, ' '); + while (cursor_col++ < MatrixCols) { + matrix_write_char_inner(matrix, ' '); + } + return; } - return; - } - matrix_write_char_inner(matrix, c); + matrix_write_char_inner(matrix, c); } -void iota_gfx_write_char(uint8_t c) { - matrix_write_char(&display, c); -} +void iota_gfx_write_char(uint8_t c) { matrix_write_char(&display, c); } void matrix_write(struct CharacterMatrix *matrix, const char *data) { - const char *end = data + strlen(data); - while (data < end) { - matrix_write_char(matrix, *data); - ++data; - } + const char *end = data + strlen(data); + while (data < end) { + matrix_write_char(matrix, *data); + ++data; + } } -void iota_gfx_write(const char *data) { - matrix_write(&display, data); -} +void iota_gfx_write(const char *data) { matrix_write(&display, data); } void matrix_write_P(struct CharacterMatrix *matrix, const char *data) { - while (true) { - uint8_t c = pgm_read_byte(data); - if (c == 0) { - return; + while (true) { + uint8_t c = pgm_read_byte(data); + if (c == 0) { + return; + } + matrix_write_char(matrix, c); + ++data; } - matrix_write_char(matrix, c); - ++data; - } } -void iota_gfx_write_P(const char *data) { - matrix_write_P(&display, data); -} +void iota_gfx_write_P(const char *data) { matrix_write_P(&display, data); } void matrix_clear(struct CharacterMatrix *matrix) { - memset(matrix->display, ' ', sizeof(matrix->display)); - matrix->cursor = &matrix->display[0][0]; - matrix->dirty = true; + memset(matrix->display, ' ', sizeof(matrix->display)); + matrix->cursor = &matrix->display[0][0]; + matrix->dirty = true; } -void iota_gfx_clear_screen(void) { - matrix_clear(&display); -} +void iota_gfx_clear_screen(void) { matrix_clear(&display); } void matrix_render(struct CharacterMatrix *matrix) { - last_flush = timer_read(); - iota_gfx_on(); -#if DEBUG_TO_SCREEN - ++displaying; -#endif + last_flush = timer_read(); + iota_gfx_on(); +# if DEBUG_TO_SCREEN + ++displaying; +# endif + + // Move to the home position + send_cmd3(PageAddr, 0, MatrixRows - 1); + send_cmd3(ColumnAddr, 0, (MatrixCols * FontWidth) - 1); + + if (i2c_start_write(SSD1306_ADDRESS)) { + goto done; + } + if (i2c_master_write(0x40)) { + // Data mode + goto done; + } + + for (uint8_t row = 0; row < MatrixRows; ++row) { + for (uint8_t col = 0; col < MatrixCols; ++col) { + const uint8_t *glyph = font + (matrix->display[row][col] * (FontWidth - 1)); + + for (uint8_t glyphCol = 0; glyphCol < FontWidth - 1; ++glyphCol) { + uint8_t colBits = pgm_read_byte(glyph + glyphCol); + i2c_master_write(colBits); + } - // Move to the home position - send_cmd3(PageAddr, 0, MatrixRows - 1); - send_cmd3(ColumnAddr, 0, (MatrixCols * FontWidth) - 1); - - if (i2c_start_write(SSD1306_ADDRESS)) { - goto done; - } - if (i2c_master_write(0x40)) { - // Data mode - goto done; - } - - for (uint8_t row = 0; row < MatrixRows; ++row) { - for (uint8_t col = 0; col < MatrixCols; ++col) { - const uint8_t *glyph = font + (matrix->display[row][col] * (FontWidth - 1)); - - for (uint8_t glyphCol = 0; glyphCol < FontWidth - 1; ++glyphCol) { - uint8_t colBits = pgm_read_byte(glyph + glyphCol); - i2c_master_write(colBits); - } - - // 1 column of space between chars (it's not included in the glyph) - i2c_master_write(0); + // 1 column of space between chars (it's not included in the glyph) + i2c_master_write(0); + } } - } - matrix->dirty = false; + matrix->dirty = false; done: - i2c_master_stop(); -#if DEBUG_TO_SCREEN - --displaying; -#endif + i2c_master_stop(); +# if DEBUG_TO_SCREEN + --displaying; +# endif } -void iota_gfx_flush(void) { - matrix_render(&display); -} +void iota_gfx_flush(void) { matrix_render(&display); } -__attribute__ ((weak)) -void iota_gfx_task_user(void) { -} +__attribute__((weak)) void iota_gfx_task_user(void) {} void iota_gfx_task(void) { - iota_gfx_task_user(); + iota_gfx_task_user(); - if (display.dirty) { - iota_gfx_flush(); - } + if (display.dirty) { + iota_gfx_flush(); + } - if (timer_elapsed(last_flush) > ScreenOffInterval) { - iota_gfx_off(); - } + if (timer_elapsed(last_flush) > ScreenOffInterval) { + iota_gfx_off(); + } } #endif |