1  /*
  2    ILI9341 SPI driver inspired from the Teensy version of Frank Bösing, 2017
  3  */
  4  
  5  #ifndef _ILI9341_T3DMAH_
  6  #define _ILI9341_T3DMAH_
  7  
  8  
  9  #define FLIP_SCREEN 1
 10  
 11  
 12  #define RGBVAL32(r,g,b)  ( (r<<16) | (g<<8) | b )
 13  #define RGBVAL16(r,g,b)  ( (((r>>3)&0x1f)<<11) | (((g>>2)&0x3f)<<5) | (((b>>3)&0x1f)<<0) )
 14  #define RGBVAL8(r,g,b)   ( (((r>>5)&0x07)<<5) | (((g>>5)&0x07)<<2) | (((b>>6)&0x3)<<0) )
 15  
 16  
 17  #define ILI9341_TFTWIDTH      320
 18  #define ILI9341_TFTHEIGHT     240
 19  #define ILI9341_TFTREALWIDTH  320
 20  #define ILI9341_TFTREALHEIGHT 240
 21  
 22  
 23  #define ILI9341_NOP     0x00
 24  #define ILI9341_SWRESET 0x01
 25  #define ILI9341_RDDID   0x04
 26  #define ILI9341_RDDST   0x09
 27  
 28  #define ILI9341_SLPIN   0x10
 29  #define ILI9341_SLPOUT  0x11
 30  #define ILI9341_PTLON   0x12
 31  #define ILI9341_NORON   0x13
 32  
 33  #define ILI9341_RDMODE  0x0A
 34  #define ILI9341_RDMADCTL  0x0B
 35  #define ILI9341_RDPIXFMT  0x0C
 36  #define ILI9341_RDIMGFMT  0x0D
 37  #define ILI9341_RDSELFDIAG  0x0F
 38  
 39  #define ILI9341_INVOFF  0x20
 40  #define ILI9341_INVON   0x21
 41  #define ILI9341_GAMMASET 0x26
 42  #define ILI9341_DISPOFF 0x28
 43  #define ILI9341_DISPON  0x29
 44  
 45  #define ILI9341_CASET   0x2A
 46  #define ILI9341_PASET   0x2B
 47  #define ILI9341_RAMWR   0x2C
 48  #define ILI9341_RAMRD   0x2E
 49  
 50  #define ILI9341_PTLAR    0x30
 51  #define ILI9341_MADCTL   0x36
 52  #define ILI9341_VSCRSADD 0x37
 53  #define ILI9341_PIXFMT   0x3A
 54  
 55  #define ILI9341_FRMCTR1 0xB1
 56  #define ILI9341_FRMCTR2 0xB2
 57  #define ILI9341_FRMCTR3 0xB3
 58  #define ILI9341_INVCTR  0xB4
 59  #define ILI9341_DFUNCTR 0xB6
 60  
 61  #define ILI9341_PWCTR1  0xC0
 62  #define ILI9341_PWCTR2  0xC1
 63  #define ILI9341_PWCTR3  0xC2
 64  #define ILI9341_PWCTR4  0xC3
 65  #define ILI9341_PWCTR5  0xC4
 66  #define ILI9341_VMCTR1  0xC5
 67  #define ILI9341_VMCTR2  0xC7
 68  
 69  #define ILI9341_RDID1   0xDA
 70  #define ILI9341_RDID2   0xDB
 71  #define ILI9341_RDID3   0xDC
 72  #define ILI9341_RDID4   0xDD
 73  
 74  #define ILI9341_GMCTRP1 0xE0
 75  #define ILI9341_GMCTRN1 0xE1
 76  
 77  #define MADCTL_MY  0x80
 78  #define MADCTL_MX  0x40
 79  #define MADCTL_MV  0x20
 80  #define MADCTL_ML  0x10
 81  #define MADCTL_RGB 0x00
 82  #define MADCTL_BGR 0x08
 83  #define MADCTL_MH  0x04
 84  
 85  #ifdef __cplusplus
 86  
 87  
 88  #define MAX_SPI_TRANS   7  
 89  #define NR_OF_BLOCK     4
 90  #define LINES_PER_BLOCK 64 //(ILI9341_TFTREALHEIGHT/4)
 91  
 92  typedef struct {
 93      uint8_t cmd;
 94      uint8_t data[16];
 95      uint8_t databytes; //No of data in data; bit 7 = delay after set; 0xFF = end of cmds.
 96  } lcd_init_cmd_t;
 97  
 98  
 99  class ILI9341_t3DMA
100  {
101    public:
102      ILI9341_t3DMA(uint8_t _CS = 17, uint8_t _DC = 18, uint8_t _RST = 255, uint8_t _MOSI=23, uint8_t _CLK=18, uint8_t _MISO=19,  uint8_t touch_cs=32,  uint8_t touch_irq=33);
103  
104      //void setFrameBuffer(uint16_t * fb);
105      //static uint16_t * getFrameBuffer(void);
106  
107      void begin(void);
108      void flipscreen(bool flip);
109      bool isflipped(void);
110      void start(void);
111      void refresh(void);
112      void refreshPrepare(void);
113      void refreshFinish(void);
114      //void stop();
115      //void wait(void);	
116  	uint16_t * getLineBuffer(int j);
117  
118      void fillScreen(uint16_t color);
119      void writeScreen(int width, int height, int stride, uint8_t *buffer, uint16_t *palette16);
120      void writeLine(int width, int height, int stride, uint8_t *buffer, uint16_t *palette16);
121      void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
122      void drawSprite(int16_t x, int16_t y, const uint16_t *bitmap);
123      void drawSprite(int16_t x, int16_t y, const uint16_t *bitmap, uint16_t croparx, uint16_t cropary, uint16_t croparw, uint16_t croparh);
124      void drawText(int16_t x, int16_t y, const char * text, uint16_t fgcolor, uint16_t bgcolor, bool doublesize);
125  
126      void fillScreenNoDma(uint16_t color) { fillScreen(color); };
127      void drawSpriteNoDma(int16_t x, int16_t y, const uint16_t *bitmap) { drawSprite(x,y,bitmap); };
128      void drawSpriteNoDma(int16_t x, int16_t y, const uint16_t *bitmap, uint16_t croparx, uint16_t cropary, uint16_t croparw, uint16_t croparh) { drawSprite(x,y,bitmap,croparx,cropary,croparw,croparh); };
129      void drawRectNoDma(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color) { drawRect(x,y,w,h,color); };
130      void drawTextNoDma(int16_t x, int16_t y, const char * text, uint16_t fgcolor, uint16_t bgcolor, bool doublesize) { drawText(x,y,text,fgcolor,bgcolor,doublesize); };
131  
132      /*
133      void writeScreenNoDma(const uint16_t *pcolors);
134      void drawPixel(int16_t x, int16_t y, uint16_t color);
135      uint16_t getPixel(int16_t x, int16_t y);
136      */
137          
138       
139      void touchBegin();
140      void readRo(uint16_t * oX, uint16_t * oY, uint16_t * oZ);
141      bool isTouching();
142      void readRaw(uint16_t * oX, uint16_t * oY, uint16_t * oZ);
143      void readCal(uint16_t * oX, uint16_t * oY, uint16_t * oZ);
144      void callibrateTouch(uint16_t xMin,uint16_t yMin,uint16_t xMax,uint16_t yMax);
145    	
146    protected:
147  	  bool flipped=false;
148      void enableTouchIrq();   
149  };
150  
151  #endif
152  #endif
153