mirror of
https://github.com/Keychron/qmk_firmware.git
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88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
#pragma once
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#include <stdbool.h>
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#include <stdio.h>
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#include "config.h"
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enum ssd1306_cmds {
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DisplayOff = 0xAE,
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DisplayOn = 0xAF,
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SetContrast = 0x81,
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DisplayAllOnResume = 0xA4,
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DisplayAllOn = 0xA5,
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NormalDisplay = 0xA6,
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InvertDisplay = 0xA7,
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SetDisplayOffset = 0xD3,
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SetComPins = 0xda,
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SetVComDetect = 0xdb,
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SetDisplayClockDiv = 0xD5,
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SetPreCharge = 0xd9,
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SetMultiPlex = 0xa8,
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SetLowColumn = 0x00,
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SetHighColumn = 0x10,
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SetStartLine = 0x40,
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SetMemoryMode = 0x20,
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ColumnAddr = 0x21,
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PageAddr = 0x22,
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ComScanInc = 0xc0,
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ComScanDec = 0xc8,
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SegRemap = 0xa0,
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SetChargePump = 0x8d,
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ExternalVcc = 0x01,
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SwitchCapVcc = 0x02,
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ActivateScroll = 0x2f,
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DeActivateScroll = 0x2e,
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SetVerticalScrollArea = 0xa3,
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RightHorizontalScroll = 0x26,
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LeftHorizontalScroll = 0x27,
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VerticalAndRightHorizontalScroll = 0x29,
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VerticalAndLeftHorizontalScroll = 0x2a,
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};
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// Controls the SSD1306 128x32 OLED display via i2c
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#ifndef SSD1306_ADDRESS
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# define SSD1306_ADDRESS 0x3C
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#endif
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#define DisplayHeight 32
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#define DisplayWidth 128
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#define FontHeight 8
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#define FontWidth 6
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#define MatrixRows (DisplayHeight / FontHeight)
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#define MatrixCols (DisplayWidth / FontWidth)
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struct CharacterMatrix {
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uint8_t display[MatrixRows][MatrixCols];
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uint8_t *cursor;
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bool dirty;
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};
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extern struct CharacterMatrix display;
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bool iota_gfx_init(void);
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void iota_gfx_task(void);
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bool iota_gfx_off(void);
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bool iota_gfx_on(void);
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void iota_gfx_flush(void);
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void iota_gfx_write_char(uint8_t c);
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void iota_gfx_write(const char *data);
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void iota_gfx_write_P(const char *data);
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void iota_gfx_clear_screen(void);
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void iota_gfx_task_user(void);
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void matrix_clear(struct CharacterMatrix *matrix);
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void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c);
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void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c);
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void matrix_write(struct CharacterMatrix *matrix, const char *data);
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void matrix_write_P(struct CharacterMatrix *matrix, const char *data);
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void matrix_render(struct CharacterMatrix *matrix);
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