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OLED driver function to set pixels (#9713)

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* 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>
This commit is contained in:
Gautham Yerroju 2020-07-15 22:48:04 -07:00 • committed by GitHub
parent 08b405e1e9
commit 92d0a71af7
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13
drivers/oled/oled_driver.c
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@ -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);