diff options
| author | Gautham Yerroju <gautham.yerroju@gmail.com> | 2020-07-15 22:48:04 -0700 |
|---|---|---|
| committer | Drashna Jael're <drashna@live.com> | 2020-08-08 22:39:53 -0700 |
| commit | ed8461315a97122ff14c21bbcd92af0f555c41a8 (patch) | |
| tree | 0c26574abe3067b8f5190be25af35e3d9345658f | |
| parent | 65cb9c4fdefd284db41d3bf5d5a522830e2cd712 (diff) | |
OLED driver function to set pixels (#9713)
* Add a function to set individual pixels
* Add documentation for oled_write_pixel
* use smaller data type for oled_write_pixel
* Fix boundary check edge case
* Update oled_write_pixel doc
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
| -rw-r--r-- | drivers/oled/oled_driver.c | 13 | ||||
| -rw-r--r-- | drivers/oled/oled_driver.h | 4 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c index eedaedcd36..977b701783 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 e8dc25d699..5d0184c55d 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 |