51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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#ifndef _SSD1306__H_
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#define _SSD1306__H_
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#include <stdint.h>
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#include <stdbool.h>
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#include <errno.h>
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// shifted
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#define SSD1306_I2C_ADDR (0x3C)
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#define SSD1306_ROWS (64)
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#define SSD1306_COLS (128)
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/* Issue single command on SSD1306 */
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int ssd1306_command(uint8_t cmd);
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/* Default init for SSD1306 */
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int ssd1306_init();
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/* Load picture in xbm format into SSD1306 RAM
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* xbm - pointer to xbm picture array
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* fb - pointer fo local buffer for storing converted xbm image
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*/
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int ssd1306_load_xbm(uint8_t *xbm, uint8_t *fb);
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/* Load local framebuffer into SSD1306 RAM */
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int ssd1306_load_frame_buffer(uint8_t buf[], uint16_t len);
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/* Clears SSD1306 ram */
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int ssd1306_clear_screen();
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int ssd1306_display_on(bool on);
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int ssd1306_set_display_start_line(uint8_t start);
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int ssd1306_set_display_offset(uint8_t offset);
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int ssd1306_set_charge_pump_enabled(bool enabled);
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int ssd1306_set_mem_addr_mode(uint8_t mode);
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int ssd1306_set_segment_remapping_enabled(bool on);
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int ssd1306_set_scan_direction_fwd(bool fwd);
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int ssd1306_set_com_pin_hw_config(uint8_t config);
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int ssd1306_set_contrast(uint8_t contrast);
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int ssd1306_set_inversion(bool on);
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int ssd1306_set_osc_freq(uint8_t osc_freq);
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int ssd1306_set_mux_ratio(uint8_t ratio);
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int ssd1306_set_column_addr(uint8_t start, uint8_t stop);
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int ssd1306_set_page_addr(uint8_t start, uint8_t stop);
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int ssd1306_set_precharge_period(uint8_t prchrg);
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int ssd1306_set_deseltct_lvl(uint8_t lvl);
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int ssd1306_set_whole_display_lighting(bool light);
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#endif // _SSD1306__H_
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