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- #ifndef uint8
- #define uint8 unsigned char
- #endif
-
- typedef struct
- {
- int cs, a0, rs;
- uint8 width, height;
- } lcd_t;
-
- /*
- * Initialize the display and create a data structure for it.
- * The last initialized display is active.
- *
- * Parameters:
- * spiSpeed - Speed of the SPI interface.
- * cs - Chip selection pin.
- * a0 - Data/Command pin.
- * rs - Optional reset pin. If you do not use it, enter -1.
- *
- * Return: Pointer to the structure with display data.
- *
- */
- lcd_t *lcd_init(int spiSpeed, int cs, int a0, int rs);
-
- /*
- * Reset the specified display and clear the previously assigned memory.
- *
- * Parameters:
- * display - Pointer to the structure with display data.
- *
- * Return: void
- */
- void lcd_deinit(lcd_t *display);
-
- /*
- * Set the drawing area on the currently active display.
- *
- * Parameters:
- * x1 - The X parameter of the first point.
- * y1 - The Y parameter of the first point.
- * x2 - The X parameter of the second point.
- * y2 - The Y parameter of the second point.
- *
- * Return: Confirmation of the occurrence or non-occurrence of an error.
- * 0 - The error did not occur; 1 - The error occurred.
- *
- */
- uint8 lcd_setWindow(uint8 x1, uint8 y1, uint8 x2, uint8 y2);
-
- /*
- * Draw one pixel on the currently active display.
- * The color intensity scale for a normal pixel is from 0 to 255.
- * The color intensity scale for the reduced pixel is from 0 to 15.
- *
- * Parameters:
- * x - The X parameter of the pixel.
- * y - The Y parameter of the pixel.
- * r - The intensity of the red color.
- * g - The intensity of the green color.
- * b - The intensity of the blue color.
- *
- * Return: void
- */
- void lcd_drawPx(uint8 x, uint8 y, uint8 r, uint8 g, uint8 b);
-
- /*
- * Draw a filled rectangle on the currently active display.
- * The color intensity scale for a normal pixel is from 0 to 255.
- * The color intensity scale for the reduced pixel is from 0 to 15.
- *
- * Parameters:
- * x - Parameter X of the upper left corner of the rectangle.
- * y - Parameter Y of the upper left corner of the rectangle.
- * w - The width of the rectangle.
- * h - The height of the rectangle.
- * r - The intensity of the red color.
- * g - The intensity of the green color.
- * b - The intensity of the blue color.
- *
- * Return: void
- */
- void lcd_fillRect(uint8 x, uint8 y, uint8 w, uint8 h, uint8 r, uint8 g, uint8 b);
-
- /*
- * Fill the entire screen with one color of the currently active display.
- * The color intensity scale for a normal pixel is from 0 to 255.
- * The color intensity scale for the reduced pixel is from 0 to 15.
- *
- * Parameters:
- * r - The intensity of the red color.
- * g - The intensity of the green color.
- * b - The intensity of the blue color.
- *
- * Return: void
- */
- void lcd_fillScreen(uint8 r, uint8 g, uint8 b);
-
- void lcd_printChar(uint8 x, uint8 y, char c);
- void lcd_printText(uint8 x, uint8 y, char* text);
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