Add brightness level API to OLED driver (#10772)
* Add brightness level API to OLED driver * Set default brightness to 255
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4 changed files with 41 additions and 3 deletions
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@ -107,6 +107,7 @@ OLED_BLOCK_TYPE oled_dirty = 0;
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bool oled_initialized = false;
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bool oled_active = false;
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bool oled_scrolling = false;
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uint8_t oled_brightness = OLED_BRIGHTNESS;
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uint8_t oled_rotation = 0;
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uint8_t oled_rotation_width = 0;
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uint8_t oled_scroll_speed = 0; // this holds the speed after being remapped to ssd1306 internal values
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@ -193,7 +194,7 @@ bool oled_init(uint8_t rotation) {
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}
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}
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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};
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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};
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if (I2C_TRANSMIT_P(display_setup2) != I2C_STATUS_SUCCESS) {
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print("display_setup2 failed\n");
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return false;
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@ -550,6 +551,20 @@ bool oled_off(void) {
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bool is_oled_on(void) { return oled_active; }
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uint8_t oled_set_brightness(uint8_t level) {
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uint8_t set_contrast[] = {I2C_CMD, CONTRAST, level};
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if (oled_brightness != level) {
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if (I2C_TRANSMIT(set_contrast) != I2C_STATUS_SUCCESS) {
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print("set_brightness cmd failed\n");
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return oled_brightness;
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}
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oled_brightness = level;
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}
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return oled_brightness;
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}
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uint8_t oled_get_brightness(void) { return oled_brightness; }
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// Set the specific 8 lines rows of the screen to scroll.
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// 0 is the default for start, and 7 for end, which is the entire
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// height of the screen. For 128x32 screens, rows 4-7 are not used.
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