diff options
Diffstat (limited to 'drivers/oled')
| -rw-r--r-- | drivers/oled/oled_driver.c | 26 | ||||
| -rw-r--r-- | drivers/oled/oled_driver.h | 4 |
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c index 8e5ed5f070..7d41978905 100644 --- a/drivers/oled/oled_driver.c +++ b/drivers/oled/oled_driver.c @@ -34,6 +34,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. #define DISPLAY_ALL_ON 0xA5 #define DISPLAY_ALL_ON_RESUME 0xA4 #define NORMAL_DISPLAY 0xA6 +#define INVERT_DISPLAY 0xA7 #define DISPLAY_ON 0xAF #define DISPLAY_OFF 0xAE #define NOP 0xE3 @@ -114,6 +115,7 @@ OLED_BLOCK_TYPE oled_dirty = 0; bool oled_initialized = false; bool oled_active = false; bool oled_scrolling = false; +bool oled_inverted = false; uint8_t oled_brightness = OLED_BRIGHTNESS; oled_rotation_t oled_rotation = 0; uint8_t oled_rotation_width = 0; @@ -690,6 +692,30 @@ bool oled_scroll_off(void) { return !oled_scrolling; } +bool oled_invert(bool invert) { + if (!oled_initialized) { + return oled_inverted; + } + + if (invert && !oled_inverted) { + static const uint8_t PROGMEM display_inverted[] = {I2C_CMD, INVERT_DISPLAY}; + if (I2C_TRANSMIT_P(display_inverted) != I2C_STATUS_SUCCESS) { + print("oled_invert cmd failed\n"); + return oled_inverted; + } + oled_inverted = true; + } else if (!invert && oled_inverted) { + static const uint8_t PROGMEM display_normal[] = {I2C_CMD, NORMAL_DISPLAY}; + if (I2C_TRANSMIT_P(display_normal) != I2C_STATUS_SUCCESS) { + print("oled_invert cmd failed\n"); + return oled_inverted; + } + oled_inverted = false; + } + + return oled_inverted; +} + uint8_t oled_max_chars(void) { if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) { return OLED_DISPLAY_WIDTH / OLED_FONT_WIDTH; diff --git a/drivers/oled/oled_driver.h b/drivers/oled/oled_driver.h index a6b85f37e6..fc68f0ec95 100644 --- a/drivers/oled/oled_driver.h +++ b/drivers/oled/oled_driver.h @@ -313,6 +313,10 @@ bool oled_scroll_left(void); // Returns true if the screen was not scrolling or stops scrolling bool oled_scroll_off(void); +// Inverts the display +// Returns true if the screen was or is inverted +bool oled_invert(bool invert); + // Returns the maximum number of characters that will fit on a line uint8_t oled_max_chars(void); |