Diff: DmTftIli9341.cpp

Revision:

0:d6ff5fa503e8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DmTftIli9341.cpp	Tue May 13 09:31:24 2014 +0000
@@ -0,0 +1,236 @@
+/**********************************************************************************************
+ Copyright (c) 2014 DisplayModule. All rights reserved.
+
+ Redistribution and use of this source code, part of this source code or any compiled binary
+ based on this source code is permitted as long as the above copyright notice and following
+ disclaimer is retained.
+
+ DISCLAIMER:
+ THIS SOFTWARE IS SUPPLIED "AS IS" WITHOUT ANY WARRANTIES AND SUPPORT. DISPLAYMODULE ASSUMES
+ NO RESPONSIBILITY OR LIABILITY FOR THE USE OF THE SOFTWARE.
+ ********************************************************************************************/
+
+#include "DmTftIli9341.h"
+#if defined (DM_TOOLCHAIN_ARDUINO)
+DmTftIli9341::DmTftIli9341(uint8_t cs, uint8_t dc)
+#elif defined (DM_TOOLCHAIN_MBED)
+DmTftIli9341::DmTftIli9341(uint8_t cs, uint8_t dc, uint8_t miso, uint8_t mosi, uint8_t clk)
+#endif
+: DmTftBase(240, 320){
+  _cs = cs;
+  _dc = dc;
+#if defined (DM_TOOLCHAIN_MBED)
+  _miso = miso;
+  _mosi = mosi;
+  _clk = clk;
+#endif
+}
+
+DmTftIli9341::~DmTftIli9341() {
+#if defined (DM_TOOLCHAIN_MBED)
+delete _pinCS;
+delete _pinDC;
+delete _spi;
+
+_pinCS = NULL;
+_pinDC = NULL;
+_spi = NULL;
+#endif
+}
+
+void DmTftIli9341::writeBus(uint8_t data) {
+#if defined (DM_TOOLCHAIN_ARDUINO)
+  SPCR = _spiSettings;         // SPI Control Register
+  SPDR = data;                 // SPI Data Register
+  while(!(SPSR & _BV(SPIF)));  // SPI Status Register Wait for transmission to finish
+#elif defined (DM_TOOLCHAIN_MBED)
+  _spi->write(data);
+#endif
+}
+
+void DmTftIli9341::sendCommand(uint8_t index) {
+  // cbi(_pinCS, _bitmaskCS);
+  cbi(_pinDC, _bitmaskDC);
+
+  writeBus(index);
+  // sbi(_pinCS, _bitmaskCS);
+}
+
+void DmTftIli9341::send8BitData(uint8_t data) {
+  //cbi(_pinCS, _bitmaskCS);
+  sbi(_pinDC, _bitmaskDC);
+  writeBus(data);
+  //sbi(_pinCS, _bitmaskCS);
+}
+
+void DmTftIli9341::sendData(uint16_t data) {
+  uint8_t dh = data>>8;
+  uint8_t dl = data&0xff;
+
+  //cbi(_pinCS, _bitmaskCS);
+  sbi(_pinDC, _bitmaskDC);
+  writeBus(dh);
+  writeBus(dl);
+  //sbi(_pinCS, _bitmaskCS);
+}
+
+void DmTftIli9341::setAddress(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
+  sendCommand(0x2A); // Set Column
+  sendData(x0);
+  sendData(x1);
+
+  sendCommand(0x2B);  // Set Page
+  sendData(y0);
+  sendData(y1);
+
+  sendCommand(0x2c);
+}
+
+void DmTftIli9341::init(void) {
+  setTextColor(BLACK, WHITE);
+#if defined (DM_TOOLCHAIN_ARDUINO)
+  _pinCS  = portOutputRegister(digitalPinToPort(_cs));
+  _bitmaskCS  = digitalPinToBitMask(_cs);
+  _pinDC  = portOutputRegister(digitalPinToPort(_dc));
+  _bitmaskDC  = digitalPinToBitMask(_dc);
+  pinMode(_cs,OUTPUT);
+  pinMode(_dc,OUTPUT);
+
+  sbi(_pinCS, _bitmaskCS);
+
+  SPI.begin();
+  SPI.setClockDivider(SPI_CLOCK_DIV2); // 8 MHz (full! speed!)
+  SPI.setBitOrder(MSBFIRST);
+  SPI.setDataMode(SPI_MODE0);
+  _spiSettings = SPCR;
+#elif defined (DM_TOOLCHAIN_MBED)
+  _pinCS = new DigitalOut((PinName)_cs);
+  _pinDC = new DigitalOut((PinName)_dc);
+  sbi(_pinCS, _bitmaskCS);
+
+  _spi = new SPI((PinName)_mosi, (PinName)_miso, (PinName)_clk);
+  _spi->format(8,0);
+  _spi->frequency(8000000); // Max SPI speed for display is 10 and for 17 for LPC15xx
+#endif
+  cbi(_pinCS, _bitmaskCS);
+  delay(135); // This much delay needed??
+
+  // ILI9341 init
+  sendCommand(0x11);
+  delay(120);
+
+  sendCommand(0xCF);
+  send8BitData(0x00);
+  send8BitData(0xc3);
+  send8BitData(0X30);
+
+  sendCommand(0xED);
+  send8BitData(0x64);
+  send8BitData(0x03);
+  send8BitData(0X12);
+  send8BitData(0X81);
+
+  sendCommand(0xE8);
+  send8BitData(0x85);
+  send8BitData(0x10);
+  send8BitData(0x79);
+
+  sendCommand(0xCB);
+  send8BitData(0x39);
+  send8BitData(0x2C);
+  send8BitData(0x00);
+  send8BitData(0x34);
+  send8BitData(0x02);
+
+  sendCommand(0xF7);
+  send8BitData(0x20);
+
+  sendCommand(0xEA);
+  send8BitData(0x00);
+  send8BitData(0x00);
+
+  sendCommand(0xC0);    //Power control
+  send8BitData(0x22);   //VRH[5:0]
+
+  sendCommand(0xC1);    //Power control
+  send8BitData(0x11);   //SAP[2:0];BT[3:0]
+
+  sendCommand(0xC5);    //VCM control
+  send8BitData(0x3d);
+  send8BitData(0x20);
+
+  sendCommand(0xC7);    //VCM control2
+  send8BitData(0xAA); //0xB0
+
+  sendCommand(0x36);    // Memory Access Control
+  send8BitData(0x08);
+
+  sendCommand(0x3A);
+  send8BitData(0x55);
+
+  sendCommand(0xB1);
+  send8BitData(0x00);
+  send8BitData(0x13);
+
+  sendCommand(0xB6);    // Display Function Control
+  send8BitData(0x0A);
+  send8BitData(0xA2);
+
+  sendCommand(0xF6);
+  send8BitData(0x01);
+  send8BitData(0x30);
+
+  sendCommand(0xF2);    // 3Gamma Function Disable
+  send8BitData(0x00);
+
+  sendCommand(0x26);    //Gamma curve selected
+  send8BitData(0x01);
+
+  sendCommand(0xE0);    //Set Gamma
+  send8BitData(0x0F);
+  send8BitData(0x3F);
+  send8BitData(0x2F);
+  send8BitData(0x0C);
+  send8BitData(0x10);
+  send8BitData(0x0A);
+  send8BitData(0x53);
+  send8BitData(0XD5);
+  send8BitData(0x40);
+  send8BitData(0x0A);
+  send8BitData(0x13);
+  send8BitData(0x03);
+  send8BitData(0x08);
+  send8BitData(0x03);
+  send8BitData(0x00);
+
+  sendCommand(0XE1);    //Set Gamma
+  send8BitData(0x00);
+  send8BitData(0x00);
+
+  send8BitData(0x10);
+  send8BitData(0x03);
+  send8BitData(0x0F);
+  send8BitData(0x05);
+  send8BitData(0x2C);
+  send8BitData(0xA2);
+  send8BitData(0x3F);
+  send8BitData(0x05);
+  send8BitData(0x0E);
+  send8BitData(0x0C);
+  send8BitData(0x37);
+  send8BitData(0x3C);
+  send8BitData(0x0F);
+
+  sendCommand(0x11);    //Exit Sleep
+  delay(120);
+  sendCommand(0x29);    //Display on
+  delay(50);
+  sbi(_pinCS, _bitmaskCS);
+  clearScreen();
+}
+
+/*********************************************************************************************************
+  END FILE
+*********************************************************************************************************/
+
+