diff options
Diffstat (limited to 'drivers/oled/oled_driver.c')
| -rw-r--r-- | drivers/oled/oled_driver.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c index 0b24a987de..ba11db1d2a 100644 --- a/drivers/oled/oled_driver.c +++ b/drivers/oled/oled_driver.c @@ -107,6 +107,7 @@ OLED_BLOCK_TYPE oled_dirty = 0; bool oled_initialized = false; bool oled_active = false; bool oled_scrolling = false; +uint8_t oled_brightness = OLED_BRIGHTNESS; uint8_t oled_rotation = 0; uint8_t oled_rotation_width = 0; uint8_t oled_scroll_speed = 0; // this holds the speed after being remapped to ssd1306 internal values @@ -193,7 +194,7 @@ bool oled_init(uint8_t rotation) { } } - static const uint8_t PROGMEM display_setup2[] = {I2C_CMD, COM_PINS, OLED_COM_PINS, CONTRAST, 0x8F, PRE_CHARGE_PERIOD, 0xF1, VCOM_DETECT, 0x40, DISPLAY_ALL_ON_RESUME, NORMAL_DISPLAY, DEACTIVATE_SCROLL, DISPLAY_ON}; + static const uint8_t PROGMEM display_setup2[] = {I2C_CMD, COM_PINS, OLED_COM_PINS, CONTRAST, OLED_BRIGHTNESS, PRE_CHARGE_PERIOD, 0xF1, VCOM_DETECT, 0x20, DISPLAY_ALL_ON_RESUME, NORMAL_DISPLAY, DEACTIVATE_SCROLL, DISPLAY_ON}; if (I2C_TRANSMIT_P(display_setup2) != I2C_STATUS_SUCCESS) { print("display_setup2 failed\n"); return false; @@ -550,6 +551,20 @@ bool oled_off(void) { bool is_oled_on(void) { return oled_active; } +uint8_t oled_set_brightness(uint8_t level) { + uint8_t set_contrast[] = {I2C_CMD, CONTRAST, level}; + if (oled_brightness != level) { + if (I2C_TRANSMIT(set_contrast) != I2C_STATUS_SUCCESS) { + print("set_brightness cmd failed\n"); + return oled_brightness; + } + oled_brightness = level; + } + return oled_brightness; +} + +uint8_t oled_get_brightness(void) { return oled_brightness; } + // Set the specific 8 lines rows of the screen to scroll. // 0 is the default for start, and 7 for end, which is the entire // height of the screen. For 128x32 screens, rows 4-7 are not used. |