diff options
| -rw-r--r-- | docs/feature_oled_driver.md | 4 | ||||
| -rw-r--r-- | drivers/oled/oled_driver.c | 13 | ||||
| -rw-r--r-- | drivers/oled/oled_driver.h | 4 |
3 files changed, 21 insertions, 0 deletions
diff --git a/docs/feature_oled_driver.md b/docs/feature_oled_driver.md index 772ce57bd..5f3095198 100644 --- a/docs/feature_oled_driver.md +++ b/docs/feature_oled_driver.md @@ -247,6 +247,10 @@ void oled_write_raw_byte(const char data, uint16_t index); // Writes a PROGMEM string to the buffer at current cursor position void oled_write_raw_P(const char *data, uint16_t size); +// Sets a specific pixel on or off +// Coordinates start at top-left and go right and down for positive x and y +void oled_write_pixel(uint8_t x, uint8_t y, bool on); + // Can be used to manually turn on the screen if it is off // Returns true if the screen was on or turns on bool oled_on(void); diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c index eedaedcd3..977b70178 100644 --- a/drivers/oled/oled_driver.c +++ b/drivers/oled/oled_driver.c @@ -462,6 +462,19 @@ void oled_write_raw(const char *data, uint16_t size) { } } +void oled_write_pixel(uint8_t x, uint8_t y, bool on) { + if (x >= OLED_DISPLAY_WIDTH || y >= OLED_DISPLAY_HEIGHT) { + return; + } + uint16_t index = x + (y / 8) * OLED_DISPLAY_WIDTH; + if (on) { + oled_buffer[index] |= (1 << (y % 8)); + } else { + oled_buffer[index] &= ~(1 << (y % 8)); + } + oled_dirty |= (1 << (index / OLED_BLOCK_SIZE)); +} + #if defined(__AVR__) void oled_write_P(const char *data, bool invert) { uint8_t c = pgm_read_byte(data); diff --git a/drivers/oled/oled_driver.h b/drivers/oled/oled_driver.h index 3e5a5bcab..af6e5a2b6 100644 --- a/drivers/oled/oled_driver.h +++ b/drivers/oled/oled_driver.h @@ -206,6 +206,10 @@ void oled_pan(bool left); void oled_write_raw(const char *data, uint16_t size); void oled_write_raw_byte(const char data, uint16_t index); +// Sets a specific pixel on or off +// Coordinates start at top-left and go right and down for positive x and y +void oled_write_pixel(uint8_t x, uint8_t y, bool on); + #if defined(__AVR__) // Writes a PROGMEM string to the buffer at current cursor position // Advances the cursor while writing, inverts the pixels if true |