Diff: Adafruit_ILI9341.cpp

Revision:

0:16926c5097c9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_ILI9341.cpp	Fri Dec 05 06:42:42 2014 +0000
@@ -0,0 +1,535 @@
+/***************************************************
+  This is our GFX example for the Adafruit ILI9341 Breakout and Shield
+  ----> http://www.adafruit.com/products/1651
+  Check out the links above for our tutorials and wiring diagrams
+  These displays use SPI to communicate, 4 or 5 pins are required to
+  interface (RST is optional)
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+  Written by Limor Fried/Ladyada for Adafruit Industries.
+  MIT license, all text above must be included in any redistribution
+ ****************************************************/
+  /*
+    Ported to mbed by James Kidd
+ */
+#include <stdint.h>
+#include <Adafruit_GFX.h>
+#include "Adafruit_ILI9341.h"
+#include "mbed.h"
+#include "PinNames.h"
+#include "BurstSPI.h"
+
+Adafruit_ILI9341::Adafruit_ILI9341(PinName DC, PinName CS, PinName RST) : Adafruit_GFX(ILI9341_TFTWIDTH,ILI9341_TFTHEIGHT) {
+    _pins.rst = RST;
+    _pins.cs = CS;
+    _pins.dc = DC;
+    _pins.miso = SPI_MISO;
+    _pins.mosi = SPI_MOSI;
+    _pins.sclk = SPI_SCK;
+    hwSPI = true;
+}
+
+
+inline void Adafruit_ILI9341::spiwrite(uint16_t c) {
+
+  //Serial.print("0x"); Serial.print(c, HEX); Serial.print(", ");
+    LcdSPI->write(c);
+    //LcdSPI->fastWrite(c >> 8);
+    //LcdSPI->fastWrite(c);
+}
+void Adafruit_ILI9341::writecommand(uint8_t c) {
+
+    LcdSPI->format(8,3);
+    LcdSPI->setFormat();
+    Pins[PIN_DC]->write(0);
+    if(Pins[PIN_SCE] > 0)
+        Pins[PIN_SCE]->write(0);
+    LcdSPI->write(c);
+    //spiwrite(c);
+    if(Pins[PIN_SCE] > 0)
+        Pins[PIN_SCE]->write(1);
+    LcdSPI->format(16,3);
+    LcdSPI->setFormat();
+}
+
+void Adafruit_ILI9341::writedata(uint16_t c) {
+
+    LcdSPI->format(8,3);
+    LcdSPI->setFormat();
+    Pins[PIN_DC]->write(1);
+    if(Pins[PIN_SCE] > 0)
+        Pins[PIN_SCE]->write(0);
+    LcdSPI->write(c);
+    //spiwrite(c);
+    if(Pins[PIN_SCE] > 0)
+        Pins[PIN_SCE]->write(1);
+    LcdSPI->format(16,3);
+    LcdSPI->setFormat();
+}
+
+void Adafruit_ILI9341::commandList(uint8_t *addr) {
+
+  /*uint8_t  numCommands, numArgs;
+  uint16_t ms;
+
+  numCommands = pgm_read_byte(addr++);   // Number of commands to follow
+  while(numCommands--) {                 // For each command...
+    writecommand(pgm_read_byte(addr++)); //   Read, issue command
+    numArgs  = pgm_read_byte(addr++);    //   Number of args to follow
+    ms       = numArgs & DELAY;          //   If hibit set, delay follows args
+    numArgs &= ~DELAY;                   //   Mask out delay bit
+    while(numArgs--) {                   //   For each argument...
+      writedata(pgm_read_byte(addr++));  //     Read, issue argument
+    }
+
+    if(ms) {
+      ms = pgm_read_byte(addr++); // Read post-command delay time (ms)
+      if(ms == 255) ms = 500;     // If 255, delay for 500 ms
+      wait_ms(ms);
+    }
+  }*/
+}
+void Adafruit_ILI9341::begin(void) {
+    LcdSPI = new BurstSPI(_pins.mosi,_pins.miso,_pins.sclk);
+            LcdSPI->format(LCD_SPI_BITS, LCD_SPI_MODE);
+            LcdSPI->frequency(LCD_FREQ);
+            LcdSPI->setFormat();
+            Pins = new DigitalOut*[3];
+             Pins[PIN_RST]   = new DigitalOut(_pins.rst);
+               Pins[PIN_SCE]   = new DigitalOut(_pins.cs);
+               Pins[PIN_DC]    = new DigitalOut(_pins.dc);
+
+
+
+  if (Pins[PIN_RST] > 0) {
+      Pins[PIN_RST]->write(0);
+  }
+  Pins[PIN_DC]->write(0);
+  Pins[PIN_SCE]->write(0);
+
+  // toggle RST low to reset
+  if (Pins[PIN_RST] > 0) {
+      Pins[PIN_RST]->write(1);
+      wait_ms(5);
+    Pins[PIN_RST]->write(0);
+    wait_ms(20);
+    Pins[PIN_RST]->write(1);
+    wait_ms(150);
+  }
+
+  /*
+  uint8_t x = readcommand8(ILI9341_RDMODE);
+  Serial.print("\nDisplay Power Mode: 0x"); Serial.println(x, HEX);
+  x = readcommand8(ILI9341_RDMADCTL);
+  Serial.print("\nMADCTL Mode: 0x"); Serial.println(x, HEX);
+  x = readcommand8(ILI9341_RDPIXFMT);
+  Serial.print("\nPixel Format: 0x"); Serial.println(x, HEX);
+  x = readcommand8(ILI9341_RDIMGFMT);
+  Serial.print("\nImage Format: 0x"); Serial.println(x, HEX);
+  x = readcommand8(ILI9341_RDSELFDIAG);
+  Serial.print("\nSelf Diagnostic: 0x"); Serial.println(x, HEX);
+*/
+  //if(cmdList) commandList(cmdList);
+
+  if (hwSPI) spi_begin();
+  writecommand(0xEF);
+  writedata(0x03);
+  writedata(0x80);
+  writedata(0x02);
+
+  writecommand(0xCF);
+  writedata(0x00);
+  writedata(0XC1);
+  writedata(0X30);
+
+  writecommand(0xED);
+  writedata(0x64);
+  writedata(0x03);
+  writedata(0X12);
+  writedata(0X81);
+
+  writecommand(0xE8);
+  writedata(0x85);
+  writedata(0x00);
+  writedata(0x78);
+
+  writecommand(0xCB);
+  writedata(0x39);
+  writedata(0x2C);
+  writedata(0x00);
+  writedata(0x34);
+  writedata(0x02);
+
+  writecommand(0xF7);
+  writedata(0x20);
+
+  writecommand(0xEA);
+  writedata(0x00);
+  writedata(0x00);
+
+  writecommand(ILI9341_PWCTR1);    //Power control
+  writedata(0x23);   //VRH[5:0]
+
+  writecommand(ILI9341_PWCTR2);    //Power control
+  writedata(0x10);   //SAP[2:0];BT[3:0]
+
+  writecommand(ILI9341_VMCTR1);    //VCM control
+  writedata(0x3e); //¶Ô±È¶Èµ÷½Ú
+  writedata(0x28);
+
+  writecommand(ILI9341_VMCTR2);    //VCM control2
+  writedata(0x86);  //--
+
+  writecommand(ILI9341_MADCTL);    // Memory Access Control
+  writedata(0x48);
+
+  writecommand(ILI9341_PIXFMT);
+  writedata(0x55);
+
+  writecommand(ILI9341_FRMCTR1);
+  writedata(0x00);
+  writedata(0x18);
+
+  writecommand(ILI9341_DFUNCTR);    // Display Function Control
+  writedata(0x08);
+  writedata(0x82);
+  writedata(0x27);
+
+  writecommand(0xF2);    // 3Gamma Function Disable
+  writedata(0x00);
+
+  writecommand(ILI9341_GAMMASET);    //Gamma curve selected
+  writedata(0x01);
+
+  writecommand(ILI9341_GMCTRP1);    //Set Gamma
+  writedata(0x0F);
+  writedata(0x31);
+  writedata(0x2B);
+  writedata(0x0C);
+  writedata(0x0E);
+  writedata(0x08);
+  writedata(0x4E);
+  writedata(0xF1);
+  writedata(0x37);
+  writedata(0x07);
+  writedata(0x10);
+  writedata(0x03);
+  writedata(0x0E);
+  writedata(0x09);
+  writedata(0x00);
+
+  writecommand(ILI9341_GMCTRN1);    //Set Gamma
+  writedata(0x00);
+  writedata(0x0E);
+  writedata(0x14);
+  writedata(0x03);
+  writedata(0x11);
+  writedata(0x07);
+  writedata(0x31);
+  writedata(0xC1);
+  writedata(0x48);
+  writedata(0x08);
+  writedata(0x0F);
+  writedata(0x0C);
+  writedata(0x31);
+  writedata(0x36);
+  writedata(0x0F);
+
+  writecommand(ILI9341_SLPOUT);    //Exit Sleep
+  if (hwSPI) spi_end();
+  wait_ms(120);
+  if (hwSPI) spi_begin();
+  writecommand(ILI9341_DISPON);    //Display on
+  if (hwSPI) spi_end();
+
+}
+
+
+void Adafruit_ILI9341::setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1,
+ uint16_t y1) {
+  writecommand(ILI9341_CASET); // Column addr set
+  writedata(x0 >> 8);
+  writedata(x0 & 0xFF);     // XSTART
+  writedata(x1 >> 8);
+  writedata(x1 & 0xFF);     // XEND
+
+  writecommand(ILI9341_PASET); // Row addr set
+  writedata(y0>>8);
+  writedata(y0);     // YSTART
+  writedata(y1>>8);
+  writedata(y1);     // YEND
+
+  writecommand(ILI9341_RAMWR); // write to RAM
+}
+
+
+void Adafruit_ILI9341::pushColor(uint16_t color) {
+  if (hwSPI) spi_begin();
+  Pins[PIN_DC]->write(1);
+  Pins[PIN_SCE]->write(0);
+  //digitalWrite(_dc, HIGH);
+  //*dcport |=  dcpinmask;
+  //digitalWrite(_cs, LOW);
+  //*csport &= ~cspinmask;
+
+  //spiwrite(color >> 8);
+  spiwrite(color);
+  Pins[PIN_SCE]->write(1);
+  //*csport |= cspinmask;
+  //digitalWrite(_cs, HIGH);
+  if (hwSPI) spi_end();
+}
+uint16_t buf[25][33];
+void Adafruit_ILI9341::drawPixel(int16_t x, int16_t y, uint16_t color) {
+
+  if((x < 0) ||(x >= _width) || (y < 0) || (y >= _height)) return;
+
+  if (hwSPI) spi_begin();
+  setAddrWindow(x,y,x+1,y+1);
+
+  //digitalWrite(_dc, HIGH);
+  Pins[PIN_DC]->write(1);
+  Pins[PIN_SCE]->write(0);
+
+  //*dcport |=  dcpinmask;
+  //digitalWrite(_cs, LOW);
+  //*csport &= ~cspinmask;
+
+  //spiwrite(color >> 8);
+  spiwrite(color);
+  //LcdSPI->fastWrite(color);
+  Pins[PIN_SCE]->write(1);
+  //*csport |= cspinmask;
+  //digitalWrite(_cs, HIGH);
+  if (hwSPI) spi_end();
+}
+
+
+void Adafruit_ILI9341::drawFastVLine(int16_t x, int16_t y, int16_t h,
+ uint16_t color) {
+
+  // Rudimentary clipping
+  if((x >= _width) || (y >= _height)) return;
+
+  if((y+h-1) >= _height)
+    h = _height-y;
+
+  if (hwSPI) spi_begin();
+  setAddrWindow(x, y, x, y+h-1);
+
+  uint8_t hi = color >> 8, lo = color;
+
+  //*dcport |=  dcpinmask;
+  //digitalWrite(_dc, HIGH);
+  //*csport &= ~cspinmask;
+  //digitalWrite(_cs, LOW);
+  Pins[PIN_DC]->write(1);
+  Pins[PIN_SCE]->write(0);
+
+  while (h--) {
+      LcdSPI->fastWrite(color);
+      //spiwrite(color);
+    //spiwrite(hi);
+    //spiwrite(lo);
+  }
+  Pins[PIN_SCE]->write(1);
+  //*csport |= cspinmask;
+  //digitalWrite(_cs, HIGH);
+  if (hwSPI) spi_end();
+  LcdSPI->clearRX();
+}
+
+
+void Adafruit_ILI9341::drawFastHLine(int16_t x, int16_t y, int16_t w,
+  uint16_t color) {
+
+  // Rudimentary clipping
+  if((x >= _width) || (y >= _height)) return;
+  if((x+w-1) >= _width)  w = _width-x;
+  if (hwSPI) spi_begin();
+  setAddrWindow(x, y, x+w-1, y);
+
+  uint8_t hi = color >> 8, lo = color;
+  //*dcport |=  dcpinmask;
+  //*csport &= ~cspinmask;
+  Pins[PIN_DC]->write(1);
+  Pins[PIN_SCE]->write(0);
+  //digitalWrite(_dc, HIGH);
+  //digitalWrite(_cs, LOW);
+  while (w--) {
+      //spiwrite(color);
+      LcdSPI->fastWrite(color);
+    //spiwrite(hi);
+    //spiwrite(lo);
+  }
+  Pins[PIN_SCE]->write(1);
+  //*csport |= cspinmask;
+  //digitalWrite(_cs, HIGH);
+  if (hwSPI) spi_end();
+  LcdSPI->clearRX();
+}
+
+void Adafruit_ILI9341::fillScreen(uint16_t color) {
+  fillRect(0, 0,  _width, _height, color);
+}
+
+
+
+// fill a rectangle
+void Adafruit_ILI9341::fillRect(int16_t x, int16_t y, int16_t w, int16_t h,
+  uint16_t color) {
+
+  // rudimentary clipping (drawChar w/big text requires this)
+  if((x >= _width) || (y >= _height)) return;
+  if((x + w - 1) >= _width)  w = _width  - x;
+  if((y + h - 1) >= _height) h = _height - y;
+
+  if (hwSPI) spi_begin();
+  setAddrWindow(x, y, x+w-1, y+h-1);
+
+  uint8_t hi = color >> 8, lo = color;
+  //LcdSPI->format(16, LCD_SPI_MODE);
+  //LcdSPI->setFormat();
+  //*dcport |=  dcpinmask;
+  //digitalWrite(_dc, HIGH);
+  //*csport &= ~cspinmask;
+  //digitalWrite(_cs, LOW);
+  Pins[PIN_DC]->write(1);
+  Pins[PIN_SCE]->write(0);
+  int32_t cnt;
+  for(cnt = w*h;cnt > 0;cnt--){
+      LcdSPI->fastWrite(color);
+      //spiwrite(hi);
+//spiwrite(color);
+            //spiwrite(color);
+     // LcdSPI->clearRX();
+  }
+  /*for(y=h; y>0; y--) {
+    for(x=w; x>0; x--) {
+        //LcdSPI->fastWrite(color);
+        //LcdSPI->write(hi);
+        //LcdSPI->write(lo);
+      spiwrite(hi);
+      spiwrite(lo);
+    }
+  }*/
+
+  //digitalWrite(_cs, HIGH);
+  Pins[PIN_SCE]->write(1);
+  //*csport |= cspinmask;
+  if (hwSPI) spi_end();
+
+  //wait_ms(30);
+  LcdSPI->clearRX();
+  //LcdSPI->format(LCD_SPI_BITS, LCD_SPI_MODE);
+  //LcdSPI->setFormat();
+}
+
+
+// Pass 8-bit (each) R,G,B, get back 16-bit packed color
+uint16_t Adafruit_ILI9341::color565(uint8_t r, uint8_t g, uint8_t b) {
+  return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3);
+}
+
+
+#define MADCTL_MY  0x80
+#define MADCTL_MX  0x40
+#define MADCTL_MV  0x20
+#define MADCTL_ML  0x10
+#define MADCTL_RGB 0x00
+#define MADCTL_BGR 0x08
+#define MADCTL_MH  0x04
+
+void Adafruit_ILI9341::setRotation(uint8_t m) {
+
+  if (hwSPI) spi_begin();
+  writecommand(ILI9341_MADCTL);
+  rotation = m % 4; // can't be higher than 3
+  switch (rotation) {
+   case 0:
+     writedata(MADCTL_MX | MADCTL_BGR);
+     _width  = ILI9341_TFTWIDTH;
+     _height = ILI9341_TFTHEIGHT;
+     break;
+   case 1:
+     writedata(MADCTL_MV | MADCTL_BGR);
+     _width  = ILI9341_TFTHEIGHT;
+     _height = ILI9341_TFTWIDTH;
+     break;
+  case 2:
+    writedata(MADCTL_MY | MADCTL_BGR);
+     _width  = ILI9341_TFTWIDTH;
+     _height = ILI9341_TFTHEIGHT;
+    break;
+   case 3:
+     writedata(MADCTL_MX | MADCTL_MY | MADCTL_MV | MADCTL_BGR);
+     _width  = ILI9341_TFTHEIGHT;
+     _height = ILI9341_TFTWIDTH;
+     break;
+  }
+  if (hwSPI) spi_end();
+}
+
+
+void Adafruit_ILI9341::invertDisplay(bool i) {
+  if (hwSPI) spi_begin();
+  writecommand(i ? ILI9341_INVON : ILI9341_INVOFF);
+  if (hwSPI) spi_end();
+}
+
+
+
+uint8_t Adafruit_ILI9341::spiread(void) {
+    //LcdSPI->clearRX();
+  uint8_t r = 0;
+  r = LcdSPI->write(0);
+  return r;
+
+}
+
+
+
+uint8_t Adafruit_ILI9341::readdata(void) {
+    Pins[PIN_DC]->write(1);
+    Pins[PIN_SCE]->write(0);
+  //digitalWrite(_dc, HIGH);
+  //digitalWrite(_cs, LOW);
+  uint8_t r = spiread();
+  //digitalWrite(_cs, HIGH);
+  Pins[PIN_SCE]->write(1);
+  return r;
+}
+
+
+uint8_t Adafruit_ILI9341::readcommand8(uint8_t c, uint8_t index) {
+  if (hwSPI) spi_begin();
+  LcdSPI->format(8, LCD_SPI_MODE);
+
+  Pins[PIN_DC]->write(0);
+  Pins[PIN_SCE]->write(0);
+  //digitalWrite(_dc, LOW); // command
+  //digitalWrite(_cs, LOW);
+  spiwrite(0xD9);  // woo sekret command?
+  Pins[PIN_DC]->write(1);
+  //digitalWrite(_dc, HIGH); // data
+  spiwrite(0x10 + index);
+  //digitalWrite(_cs, HIGH);
+  Pins[PIN_SCE]->write(1);
+
+  Pins[PIN_DC]->write(0);
+  Pins[PIN_SCE]->write(0);
+  //digitalWrite(_dc, LOW);
+  //digitalWrite(_sclk, LOW);
+  //digitalWrite(_cs, LOW);
+  spiwrite(c);
+  Pins[PIN_DC]->write(1);
+  //digitalWrite(_dc, HIGH);
+  uint8_t r = spiread();
+  Pins[PIN_SCE]->write(1);
+  //digitalWrite(_cs, HIGH);
+  if (hwSPI) spi_end();
+
+  LcdSPI->format(LCD_SPI_BITS, LCD_SPI_MODE);
+  return r;
+}