Diff: DmTftSsd2119.cpp

Revision:

0:d6ff5fa503e8

Child:

7:6cd8c36cbdb3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DmTftSsd2119.cpp	Tue May 13 09:31:24 2014 +0000
@@ -0,0 +1,267 @@
+/**********************************************************************************************
+ 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 "DmTftSsd2119.h"
+#if defined (DM_TOOLCHAIN_ARDUINO)
+DmTftSsd2119::DmTftSsd2119(uint8_t cs, uint8_t dc)
+#elif defined (DM_TOOLCHAIN_MBED)
+DmTftSsd2119::DmTftSsd2119(uint8_t cs, uint8_t dc, uint8_t miso, uint8_t mosi, uint8_t clk)
+#endif
+: DmTftBase(320, 240){ // Display is in landscape mode by default width: 320, height: 240
+  _cs = cs;
+  _dc = dc;
+#if defined (DM_TOOLCHAIN_MBED)
+  _miso = miso;
+  _mosi = mosi;
+  _clk = clk;
+#endif
+}
+
+DmTftSsd2119::~DmTftSsd2119() {
+#if defined (DM_TOOLCHAIN_MBED)
+delete _pinCS;
+delete _pinDC;
+delete _spi;
+
+_pinCS = NULL;
+_pinDC = NULL;
+_spi = NULL;
+#endif
+}
+
+void DmTftSsd2119::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 DmTftSsd2119::sendCommand(uint8_t index) {
+  // cbi(_pinCS, _bitmaskCS);
+  cbi(_pinDC, _bitmaskDC);
+
+  writeBus(0x00); // Temp
+  writeBus(index);
+  // sbi(_pinCS, _bitmaskCS);
+}
+
+void DmTftSsd2119::send8BitData(uint8_t data) {
+  //cbi(_pinCS, _bitmaskCS);
+  sbi(_pinDC, _bitmaskDC);
+  writeBus(data);
+  //sbi(_pinCS, _bitmaskCS);
+}
+
+void DmTftSsd2119::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 DmTftSsd2119::setAddress(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
+  // Set Start and End Vertical RAM address position
+  uint16_t verticalStartEndAddress;
+  verticalStartEndAddress = y0&0xff; // Start vertical RAM address
+  verticalStartEndAddress += (y1&0xff)<<8; // End vertical RAM address
+  
+  sendCommand(0x44);
+  sendData(verticalStartEndAddress);
+
+  sendCommand(0x45); // Set Start Horizontal RAM address position
+  sendData(x0);
+  
+  sendCommand(0x46);   // Set End Horizontal RAM address position
+  sendData(x1);
+
+  // Set start position
+  sendCommand(0x4e); // Set Column, RAM address X (max 320)
+  sendData(x0);
+  sendCommand(0x4f);  // Set Page, RAM address Y (max 240)
+  sendData(y0);
+  sendCommand(0x22); // RAM data write
+}
+
+// Separate setPixel, because setAddress is to many instructions
+void DmTftSsd2119::setPixel(uint16_t x, uint16_t y, uint16_t color) {
+  cbi(_pinCS, _bitmaskCS);
+
+  // setAddress(x, y, x, y);
+  sendCommand(0x4e); // Set Column, RAM address X (max 320)
+  sendData(x);
+
+  sendCommand(0x4f);  // Set Page, RAM address Y (max 240)
+  sendData(y);
+  
+  sendCommand(0x22);
+  sendData(color);
+  
+  sbi(_pinCS, _bitmaskCS);
+}
+
+
+
+void DmTftSsd2119::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??
+
+  delay(120);
+
+  sendCommand(0x28);    // VCOM OTP
+  sendData(0x0006);   
+
+  sendCommand(0x00);    // Start Oscillator
+  sendData(0x0001);   
+
+  sendCommand(0x10);    // Set Sleep mode
+  sendData(0x0000);     // Sleep out
+  delay(30);
+
+  sendCommand(0x11);    // Entry Mode ,SET LCM interface Mode.
+  sendData(0x6870);     //  SET 65K colors,MCU interface Mode.TypeB ,ID=11 AM=0 the address counter is updated in the horizontal direction.
+
+  sendCommand(0x15);    // Generic Interface Control. DOCLK，HSYNC，VSYNC，DE
+  sendData(0x0000);
+
+  sendCommand(0x01);    // Driver Output Control
+  sendData(0x72EF);     // Set REV,GD,BGR,SM,RL,TB
+
+  sendCommand(0x02);    // LCD Driving Waveform Control,LCD 
+  sendData(0x0600);  
+
+  sendCommand(0x08);    // Set the scanning starting position of the gate driver.
+  sendData(0x0000);     // The valid range is from 1 to 240
+     
+  // LCD POWER CONTROL
+  sendCommand(0x03);    // Power Control 1, VGH，VGL
+  sendData(0x6A38);     // Set dct=fline*4, VGH=2 x VCIX2 + VCI,VGL=-(VGH) + VCix2, DC=Fline × 8, AP=Medium to large   
+   
+  sendCommand(0X0B);    // Frame Cycle Control.
+  sendData(0x5308);     // SET NO SDT=1 clock cycle (POR) ,Sets the equalizing period,    
+
+  sendCommand(0x0C);    // Power Control 2 设VCIX2 电压
+  sendData(0x0003);     // Adjust VCIX2 output voltage=5.7V
+
+  sendCommand(0x0D);    // Set amplitude magnification of VLCD63     
+  sendData(0x000A);     // vlcd63=VREF(2.0V)* 2.335V
+
+  sendCommand(0x0E);    // SET VCOMG VDV .设VCOM电压
+  sendData(0x2B00);     // SET VCOMG=1,VCOM=VLCD63*  //2A 
+
+  sendCommand(0X0F);    // Gate Scan Position.
+  sendData(0x0000);     // The valid range is from 1 to 240.   
+
+  sendCommand(0x1E);    // SET nOTP VCOMH ,设VCOMH电压
+  sendData(0x00B7);     // SET nOTP=0, VCOMH=VLCD63* //B8
+
+  sendCommand(0x25);    // Frame Frequency Control
+  sendData(0x8000);     // SET OSC  65Hz //0A-70hz
+
+  sendCommand(0x26);    // Analog setting
+  sendData(0x3800);     
+
+  sendCommand(0x27);    // Analog setting
+  sendData(0x0078);
+
+  //
+  sendCommand(0x12);    // Sleep mode
+  sendData(0xD999);   
+
+  // SET WINDOW
+  sendCommand(0x4E);    // Ram Address Set
+  sendData(0x0000);      
+
+  sendCommand(0x4F);    // Ram Address Set
+  sendData(0x0000);    
+
+  //  Gamma Control
+  sendCommand(0x30);
+  sendData(0x0000);//1
+
+  sendCommand(0x31);
+  sendData(0x0104);//2
+
+  sendCommand(0x32);
+  sendData(0x0100);//3
+
+  sendCommand(0x33);
+  sendData(0x0305);//4
+
+  sendCommand(0x34);
+  sendData(0x0505);//4
+
+  sendCommand(0x35);
+  sendData(0x0305);//5
+
+  sendCommand(0x36);
+  sendData(0x0707);//6
+
+  sendCommand(0x37);
+  sendData(0x0300);//7
+
+  sendCommand(0x3A);
+  sendData(0x1200);//8
+
+  sendCommand(0x3B);
+  sendData(0x0800);//9	
+	 
+  // Final init
+  delay(300);
+  sendCommand(0x07);	// Display Control 
+  
+  sendData(0x0033);		// Display on 
+  delay(100);
+
+  sendCommand(0x22);    // RAM data write/read
+		
+  delay(50);
+  sbi(_pinCS, _bitmaskCS);
+  clearScreen();
+}
+
+/*********************************************************************************************************
+  END FILE
+*********************************************************************************************************/
+
+