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>
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@ -247,6 +247,10 @@ void oled_write_raw_byte(const char data, uint16_t index);
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// Writes a PROGMEM string to the buffer at current cursor position
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void oled_write_raw_P(const char *data, uint16_t size);
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// Sets a specific pixel on or off
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// Coordinates start at top-left and go right and down for positive x and y
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void oled_write_pixel(uint8_t x, uint8_t y, bool on);
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// Can be used to manually turn on the screen if it is off
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// Returns true if the screen was on or turns on
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bool oled_on(void);
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@ -462,6 +462,19 @@ void oled_write_raw(const char *data, uint16_t size) {
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}
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}
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void oled_write_pixel(uint8_t x, uint8_t y, bool on) {
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if (x >= OLED_DISPLAY_WIDTH || y >= OLED_DISPLAY_HEIGHT) {
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return;
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}
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uint16_t index = x + (y / 8) * OLED_DISPLAY_WIDTH;
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if (on) {
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oled_buffer[index] |= (1 << (y % 8));
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} else {
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oled_buffer[index] &= ~(1 << (y % 8));
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}
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oled_dirty |= (1 << (index / OLED_BLOCK_SIZE));
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}
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#if defined(__AVR__)
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void oled_write_P(const char *data, bool invert) {
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uint8_t c = pgm_read_byte(data);
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@ -206,6 +206,10 @@ void oled_pan(bool left);
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void oled_write_raw(const char *data, uint16_t size);
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void oled_write_raw_byte(const char data, uint16_t index);
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// Sets a specific pixel on or off
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// Coordinates start at top-left and go right and down for positive x and y
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void oled_write_pixel(uint8_t x, uint8_t y, bool on);
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#if defined(__AVR__)
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// Writes a PROGMEM string to the buffer at current cursor position
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// Advances the cursor while writing, inverts the pixels if true
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