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st7735.h
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/// \brief ST7735 Driver for CH32V003
///
/// \author Li Mingjie
/// - Email: limingjie@outlook.com
/// - GitHub: https://github.com/limingjie/
///
/// \date Aug 2023
///
/// \section References
/// - https://github.com/moononournation/Arduino_GFX
/// - https://gitee.com/morita/ch32-v003/tree/master/Driver
/// - https://github.com/cnlohr/ch32v003fun/tree/master/examples/spi_oled
///
/// \copyright Attribution-NonCommercial-ShareAlike 4.0 (CC BY-NC-SA 4.0)
#ifndef __ST7735_H__
#define __ST7735_H__
#include <stdint.h>
// Define screen resolution and offset
#define ST7735_WIDTH 160
#define ST7735_HEIGHT 80
#define ST7735_X_OFFSET 1
#define ST7735_Y_OFFSET 26
// Note: To not use CS, uncomment the following line and pull CS to ground.
// #define ST7735_NO_CS
#define RGB565(r, g, b) ((((r)&0xF8) << 8) | (((g)&0xFC) << 3) | ((b) >> 3))
#define BGR565(r, g, b) ((((b)&0xF8) << 8) | (((g)&0xFC) << 3) | ((r) >> 3))
#define RGB RGB565
#define BLACK RGB(0, 0, 0)
#define NAVY RGB(0, 0, 123)
#define DARKGREEN RGB(0, 125, 0)
#define DARKCYAN RGB(0, 125, 123)
#define MAROON RGB(123, 0, 0)
#define PURPLE RGB(123, 0, 123)
#define OLIVE RGB(123, 125, 0)
#define LIGHTGREY RGB(198, 195, 198)
#define DARKGREY RGB(123, 125, 123)
#define BLUE RGB(0, 0, 255)
#define GREEN RGB(0, 255, 0)
#define CYAN RGB(0, 255, 255)
#define RED RGB(255, 0, 0)
#define MAGENTA RGB(255, 0, 255)
#define YELLOW RGB(255, 255, 0)
#define WHITE RGB(255, 255, 255)
#define ORANGE RGB(255, 165, 0)
#define GREENYELLOW RGB(173, 255, 41)
#define PINK RGB(255, 130, 198)
/// \brief Initialize ST7735
void tft_init(void);
/// \brief Set Cursor Position for Print Functions
/// \param x X coordinate, from left to right.
/// \param y Y coordinate, from top to bottom.
void tft_set_cursor(uint16_t x, uint16_t y);
/// \brief Set Text Color
/// \param color Text color
void tft_set_color(uint16_t color);
/// \brief Set Text Background Color
/// \param color Text background color
void tft_set_background_color(uint16_t color);
/// \brief Print a Character
/// \param c Character to print
void tft_print_char(char c);
/// \brief Print a String
/// \param str String to print
void tft_print(const char* str);
/// \brief Print an Integer
/// \param num Number to print
/// \param width Expected width of the number.
/// Align left if it is less than the width of the number.
/// Align right if it is greater than the width of the number.
void tft_print_number(int32_t num, uint16_t width);
/// \brief Draw a Pixel
/// \param x X
/// \param y Y
/// \param color Pixel color
void tft_draw_pixel(uint16_t x, uint16_t y, uint16_t color);
/// \brief Draw a Line
/// \param x0 Start X coordinate
/// \param y0 Start Y coordinate
/// \param x1 End X coordinate
/// \param y1 End Y coordinate
/// \param color Line color
void tft_draw_line(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color);
/// \brief Draw a Rectangle
/// \param x Start X coordinate
/// \param y Start Y coordinate
/// \param width Width
/// \param height Height
/// \param color Rectangle Color
void tft_draw_rect(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color);
/// \brief Fill a Rectangle Area
/// \param x Start X coordinate
/// \param y Start Y coordinate
/// \param width Width
/// \param height Height
/// \param color Fill Color
void tft_fill_rect(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color);
/// \brief Draw a Bitmap
/// \param x Start X coordinate
/// \param y Start Y coordinate
/// \param width Width
/// \param height Height
/// \param bitmap Bitmap
void tft_draw_bitmap(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint8_t* bitmap);
#endif // __ST7735_H__