added comment

5 years ago · 7f42d3f89a
parent 4b49d467c9
commit 7f42d3f89a
1 changed files with 1 additions and 1 deletions
--- a/lcd.h
+++ b/lcd.h
@ -125,7 +125,7 @@ extern "C" {
    void lcd_drawBitmap(uint8_t x, uint8_t y, const uint8_t picture[], uint8_t width, uint8_t height, uint8_t color);
    void lcd_display(void);                // copy buffer to display RAM
    void lcd_clear_buffer(void); // clear display buffer
-    uint8_t lcd_check_buffer(uint8_t x, uint8_t y);
+    uint8_t lcd_check_buffer(uint8_t x, uint8_t y); // read a pixel value from the display buffer
    void lcd_display_block(uint8_t x, uint8_t line, uint8_t width); // display (part of) a display line
 #endif