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Copy pathArduino_ST7789_Fast.h
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Arduino_ST7789_Fast.h
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// Fast ST7789 IPS 240x240 SPI display library
// (c) 2019-20 by Pawel A. Hernik
#ifndef _ST7789_FAST_H_
#define _ST7789_FAST_H_
// ------------------------------
// remove "define COMPATIBILITY_MODE" for best performance on 16MHz AVR Arduinos
// if defined - the library should work on all Arduino compatible boards
//#define COMPATIBILITY_MODE
// define for LCD boards where CS pin is internally connected to the ground
#define CS_ALWAYS_LOW
// ------------------------------
#include "Arduino.h"
#include "Print.h"
#include <Adafruit_GFX.h>
#include <avr/pgmspace.h>
#define ST7789_TFTWIDTH 240
#define ST7789_TFTHEIGHT 240
// Color definitions
#define RGBto565(r,g,b) ((((r) & 0xF8) << 8) | (((g) & 0xFC) << 3) | ((b) >> 3))
#define RGBIto565(r,g,b,i) ((((((r)*(i))/255) & 0xF8) << 8) | ((((g)*(i)/255) & 0xFC) << 3) | ((((b)*(i)/255) & 0xFC) >> 3))
#define BLACK 0x0000
#define BLUE 0x001F
#define RED 0xF800
#define GREEN 0x07E0
#define CYAN 0x07FF
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF
#define GREY RGBto565(128,128,128)
#define LGREY RGBto565(160,160,160)
#define DGREY RGBto565( 80, 80, 80)
#define LBLUE RGBto565(100,100,255)
#define DBLUE RGBto565( 0, 0,128)
class Arduino_ST7789 : public Adafruit_GFX {
public:
Arduino_ST7789(int8_t DC, int8_t RST, int8_t CS = -1);
void init(uint16_t width, uint16_t height);
void begin() { init(ST7789_TFTWIDTH,ST7789_TFTHEIGHT); }
void init() { init(ST7789_TFTWIDTH,ST7789_TFTHEIGHT); }
void setAddrWindow(uint16_t xs, uint16_t ys, uint16_t xe, uint16_t ye);
void pushColor(uint16_t color);
void fillScreen(uint16_t color=BLACK);
void clearScreen() { fillScreen(BLACK); }
void cls() { fillScreen(BLACK); }
void drawPixel(int16_t x, int16_t y, uint16_t color);
void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
void drawImage(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t *img);
void drawImageF(int16_t x, int16_t y, int16_t w, int16_t h, const uint16_t *img16);
void drawImageF(int16_t x, int16_t y, const uint16_t *img16) { drawImageF(x,y,pgm_read_word(img16),pgm_read_word(img16+1),img16+3); }
void setRotation(uint8_t r);
void invertDisplay(boolean mode);
void partialDisplay(boolean mode);
void sleepDisplay(boolean mode);
void enableDisplay(boolean mode);
void idleDisplay(boolean mode);
void resetDisplay();
void setScrollArea(uint16_t tfa, uint16_t bfa);
void setScroll(uint16_t vsp);
void setPartArea(uint16_t sr, uint16_t er);
void setBrightness(uint8_t br);
void powerSave(uint8_t mode);
uint16_t Color565(uint8_t r, uint8_t g, uint8_t b);
uint16_t color565(uint8_t r, uint8_t g, uint8_t b) { return Color565(r, g, b); }
void rgbWheel(int idx, uint8_t *_r, uint8_t *_g, uint8_t *_b);
uint16_t rgbWheel(int idx);
protected:
uint8_t _colstart, _rowstart, _xstart, _ystart;
void displayInit(const uint8_t *addr);
void writeSPI(uint8_t);
void writeMulti(uint16_t color, uint16_t num);
void copyMulti(uint8_t *img, uint16_t num);
void writeCmd(uint8_t c);
void writeData(uint8_t d8);
void writeData16(uint16_t d16);
void commonST7789Init(const uint8_t *cmdList);
private:
int8_t csPin, dcPin, rstPin;
uint8_t csMask, dcMask;
volatile uint8_t *csPort, *dcPort;
};
#endif