Diff: Inits/ILI9327.cpp

Revision:

29:866213bb9bf0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Inits/ILI9327.cpp	Sat Nov 28 18:37:19 2015 +0000
@@ -0,0 +1,153 @@
+ /* mbed UniGraphic library - Device specific class
+ * Copyright (c) 2015 Giuliano Dianda
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+#include "Protocols.h"
+#include "ILI9327.h"
+
+//////////////////////////////////////////////////////////////////////////////////
+// display settings ///////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////
+
+// put in constructor
+//#define LCDSIZE_X       240 // display X pixels, TFTs are usually portrait view
+//#define LCDSIZE_Y       400  // display Y pixels
+
+
+
+ILI9327::ILI9327(proto_t displayproto, PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const char *name , unsigned int LCDSIZE_X, unsigned  int LCDSIZE_Y)
+    : TFT(displayproto, port, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
+{
+    hw_reset();
+    BusEnable(true);
+    identify(); // will collect tftID, set mipistd flag
+    init();
+    auto_gram_read_format();// try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly
+//    scrollbugfix=1; // when scrolling 1 line, the last line disappears, set to 1 to fix it, for ili9481 is set automatically in identify()
+    set_orientation(0);
+    FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. Give a try
+    cls();
+    locate(0,0); 
+}
+ILI9327::ILI9327(proto_t displayproto, PinName* buspins, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const char *name , unsigned int LCDSIZE_X, unsigned  int LCDSIZE_Y)
+    : TFT(displayproto, buspins, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
+{
+    hw_reset();
+    BusEnable(true);
+    identify(); // will collect tftID, set mipistd flag
+    init();
+    auto_gram_read_format();// try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly
+//    scrollbugfix=1; // when scrolling 1 line, the last line disappears, set to 1 to fix it, for ili9481 is set automatically in identify()
+    set_orientation(0);
+    FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. Give a try
+    cls();
+    locate(0,0); 
+}
+ILI9327::ILI9327(proto_t displayproto, int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, const char *name , unsigned int LCDSIZE_X , unsigned  int LCDSIZE_Y )
+    : TFT(displayproto, Hz, mosi, miso, sclk, CS, reset, DC, LCDSIZE_X, LCDSIZE_Y, name)
+{
+    hw_reset(); //TFT class forwards to Protocol class
+    BusEnable(true); //TFT class forwards to Protocol class
+    identify(); // will collect tftID and set mipistd flag
+    init(); // per display custom init cmd sequence, implemented here
+    auto_gram_read_format();// try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly
+ //   scrollbugfix=1; // when scrolling 1 line, the last line disappears, set to 1 to fix it, for ili9481 is set automatically in identify()
+    set_orientation(0); //TFT class does for MIPI standard and some ILIxxx
+    FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. Give a try
+    cls();
+    locate(0,0); 
+}
+// read display ID
+void ILI9327::identify()
+{
+    // ILI9327 custom cmd
+    tftID=rd_reg_data32(0xEF);
+    mipistd=true;
+}
+// reset and init the lcd controller
+void ILI9327::init()
+{
+    wr_cmd8(0x11);
+    wait_ms(150);
+    
+    wr_cmd8(0xF3); //Set EQ 
+    wr_data8(0x08);    
+    wr_data8(0x20);    
+    wr_data8(0x20);    
+    wr_data8(0x08);  
+    
+    wr_cmd8(0xE7);  
+    wr_data8(0x60);   //OPON 
+    
+    wr_cmd8(0xD1);  // Set VCOM 
+    wr_data8(0x00);    
+    wr_data8(0x5D);    
+    wr_data8(0x15);  
+    
+    wr_cmd8(0xD0); //Set power related setting 
+    wr_data8(0x07);    
+    wr_data8(0x02);   //VGH:15V,VGL:-7.16V (BOE LCD: VGH:12~18V,VGL:-6~10V)  
+    wr_data8(0x8B);    
+    wr_data8(0x03);    
+    wr_data8(0xD4); 
+
+    wr_cmd8(0x3A); // Set_pixel_format
+    wr_data8(0x55); //0x55:16bit/pixel,65k;0x66:18bit/pixel,262k;
+
+    wr_cmd8(0x36); //Set_address_mode
+    wr_data8(0x38);
+    
+    wr_cmd8(0x20); //Exit_invert_mode 
+    
+    wr_cmd8(0xC1);   //Set Normal/Partial mode display timing  
+    wr_data8(0x10);    
+    wr_data8(0x1A);    
+    wr_data8(0x02);    
+    wr_data8(0x02); 
+    
+    wr_cmd8(0xC0);  //Set display related setting  
+    wr_data8(0x10);    
+    wr_data8(0x31);    
+    wr_data8(0x00);    
+    wr_data8(0x00);    
+    wr_data8(0x01);    
+    wr_data8(0x02);  
+    
+    wr_cmd8(0xC4);  //Set waveform timing 
+    wr_data8(0x01);    
+    
+    wr_cmd8(0xC5);  //Set oscillator 
+    wr_data8(0x04);   //72Hz
+    wr_data8(0x01); 
+    
+    wr_cmd8(0xD2);  //Set power for normal mode 
+    wr_data8(0x01);    
+    wr_data8(0x44);   
+    
+    wr_cmd8(0xC8);  //Set gamma
+    wr_data8(0x00);    
+    wr_data8(0x77);    
+    wr_data8(0x77);    
+    wr_data8(0x00);    
+    wr_data8(0x04);    
+    wr_data8(0x00);    
+    wr_data8(0x00);    
+    wr_data8(0x00);    
+    wr_data8(0x77);    
+    wr_data8(0x00);    
+    wr_data8(0x00);    
+    wr_data8(0x08);    
+    wr_data8(0x00);    
+    wr_data8(0x00);    
+    wr_data8(0x00); 
+    
+    wr_cmd8(0xCA);  //Set DGC LUT
+    wr_data8(0x00); 
+    
+    wr_cmd8(0xEA);  //3-Gamma Function Control
+    wr_data8(0x80);  // enable
+    
+    wr_cmd8(0x29);  // Set_display_on  
+    wait_ms(150);
+    
+}
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