ssd130x_write_cmd
ssd130x_write_cmd(ssd130x, 1, SSD13XX_DISPLAY_ON);
ssd130x_write_cmd(ssd130x, 1, SSD13XX_DISPLAY_ON);
ssd130x_write_cmd(ssd130x, 1, SSD13XX_DISPLAY_ON);
ssd130x_write_cmd(ssd130x, 1, SSD13XX_DISPLAY_OFF);
ret = ssd130x_write_cmd(ssd130x, 1, SSD13XX_CONTRAST);
ret = ssd130x_write_cmd(ssd130x, 1, ssd130x->contrast);
ret = ssd130x_write_cmd(ssd130x, 3, SSD130X_SET_COL_RANGE, col_start, col_end);
ret = ssd130x_write_cmd(ssd130x, 3, SSD130X_SET_PAGE_RANGE, page_start, page_end);
ret = ssd130x_write_cmd(ssd130x, 3, page, col_low, col_high);
ret = ssd130x_write_cmd(ssd130x, 2, SSD13XX_CONTRAST, ssd130x->contrast);
ret = ssd130x_write_cmd(ssd130x, 1, seg_remap);
ret = ssd130x_write_cmd(ssd130x, 1, com_invdir);
ret = ssd130x_write_cmd(ssd130x, 2, SSD13XX_SET_MULTIPLEX_RATIO, ssd130x->height - 1);
ret = ssd130x_write_cmd(ssd130x, 2, SSD130X_SET_DISPLAY_OFFSET, ssd130x->com_offset);
ret = ssd130x_write_cmd(ssd130x, 2, SSD130X_SET_CLOCK_FREQ, dclk);
ret = ssd130x_write_cmd(ssd130x, 2, SSD130X_SET_AREA_COLOR_MODE, mode);
ret = ssd130x_write_cmd(ssd130x, 2, SSD130X_SET_PRECHARGE_PERIOD, precharge);
ret = ssd130x_write_cmd(ssd130x, 2, SSD130X_SET_COM_PINS_CONFIG, compins);
ret = ssd130x_write_cmd(ssd130x, 2, SSD130X_SET_VCOMH, ssd130x->vcomh);
ret = ssd130x_write_cmd(ssd130x, 2, SSD130X_CHARGE_PUMP, chargepump);
ret = ssd130x_write_cmd(ssd130x, 1, SSD130X_SET_LOOKUP_TABLE);
ret = ssd130x_write_cmd(ssd130x, 1, val);
return ssd130x_write_cmd(ssd130x, 2, SSD130X_SET_ADDRESS_MODE,
return ssd130x_write_cmd(ssd130x, 2, SSD130X_SET_ADDRESS_MODE,
ret = ssd130x_write_cmd(ssd130x, 2, SSD13XX_CONTRAST, 0x80);
ret = ssd130x_write_cmd(ssd130x, 3, SSD132X_SET_COL_RANGE, 0x00,
ret = ssd130x_write_cmd(ssd130x, 3, SSD132X_SET_ROW_RANGE, 0x00, ssd130x->height - 1);
ret = ssd130x_write_cmd(ssd130x, 2, SSD13XX_SET_SEG_REMAP, 0x53);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_DISPLAY_START, 0x00);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_DISPLAY_OFFSET, 0x00);
ret = ssd130x_write_cmd(ssd130x, 1, SSD132X_SET_DISPLAY_NORMAL);
ret = ssd130x_write_cmd(ssd130x, 2, SSD13XX_SET_MULTIPLEX_RATIO, ssd130x->height - 1);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_PHASE_LENGTH, 0x55);
ret = ssd130x_write_cmd(ssd130x, 1, SSD132X_SELECT_DEFAULT_TABLE);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_CLOCK_FREQ, 0x01);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_FUNCTION_SELECT_A, 0x1);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_PRECHARGE_PERIOD, 0x01);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_PRECHARGE_VOLTAGE, 0x08);
ret = ssd130x_write_cmd(ssd130x, 2, SSD130X_SET_VCOMH_VOLTAGE, 0x07);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_FUNCTION_SELECT_B, 0x62);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_CONTRAST_A, 0x91);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_CONTRAST_B, 0x50);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_CONTRAST_C, 0x7d);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_SET_MASTER_CURRENT, 0x06);
ret = ssd130x_write_cmd(ssd130x, 3, SSD133X_SET_COL_RANGE, 0x00, ssd130x->width - 1);
ret = ssd130x_write_cmd(ssd130x, 3, SSD133X_SET_ROW_RANGE, 0x00, ssd130x->height - 1);
ret = ssd130x_write_cmd(ssd130x, 2, SSD13XX_SET_SEG_REMAP, 0x20);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_SET_DISPLAY_START, 0x00);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_SET_DISPLAY_OFFSET, 0x00);
ret = ssd130x_write_cmd(ssd130x, 1, SSD133X_SET_DISPLAY_NORMAL);
ret = ssd130x_write_cmd(ssd130x, 2, SSD13XX_SET_MULTIPLEX_RATIO, ssd130x->height - 1);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_SET_MASTER_CONFIG, 0x8e);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_POWER_SAVE_MODE, 0x0b);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_PHASES_PERIOD, 0x31);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_SET_CLOCK_FREQ, 0xf0);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_PRECHARGE_A, 0x64);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_PRECHARGE_B, 0x78);
ret = ssd130x_write_cmd(ssd130x, 2, SSD132X_SET_PRECHARGE_C, 0x64);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_SET_PRECHARGE_VOLTAGE, 0x3a);
ret = ssd130x_write_cmd(ssd130x, 2, SSD133X_SET_VCOMH_VOLTAGE, 0x3e);
ret = ssd130x_write_cmd(ssd130x, 3, SSD132X_SET_COL_RANGE, x / segment_width, columns - 1);
ret = ssd130x_write_cmd(ssd130x, 3, SSD132X_SET_ROW_RANGE, y, rows - 1);
ret = ssd130x_write_cmd(ssd130x, 3, SSD133X_SET_COL_RANGE, x, columns - 1);
ret = ssd130x_write_cmd(ssd130x, 3, SSD133X_SET_ROW_RANGE, y, rows - 1);