ILI932x.cpp

00001  /* mbed UniGraphic library - Device specific class
00002  * Copyright (c) 2015 Giuliano Dianda
00003  * Released under the MIT License: http://mbed.org/license/mit
00004  */
00005  
00006 #include "Protocols.h "
00007 #include "ILI932x.h"
00008 
00009 //////////////////////////////////////////////////////////////////////////////////
00010 // display settings ///////////////////////////////////////////////////////
00011 /////////////////////////////////////////////////////////////////////////
00012 
00013 
00014 ILI932x::ILI932x(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)
00015     : TFT932x(displayproto, port, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
00016 {
00017     hw_reset();
00018     BusEnable(true);  //set CS low, will stay low untill manually set high with BusEnable(false);
00019     identify(); // will collect tftID
00020     if(tftID==0x9325) init9325();
00021     auto_gram_read_format();// try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly
00022     set_orientation(0);
00023     FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. 
00024     cls();
00025     locate(0,0); 
00026 }
00027 ILI932x::ILI932x(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)
00028     : TFT932x(displayproto, buspins, CS, reset, DC, WR, RD, LCDSIZE_X, LCDSIZE_Y, name)
00029 {
00030     hw_reset();
00031     BusEnable(true);  //set CS low, will stay low untill manually set high with BusEnable(false);
00032     identify(); // will collect tftID
00033     if(tftID==0x9325) init9325();
00034     auto_gram_read_format();// try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly
00035     set_orientation(0);
00036     FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. 
00037     cls();
00038     locate(0,0); 
00039 }
00040 ILI932x::ILI932x(proto_t displayproto, int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, const char *name, unsigned int LCDSIZE_X, unsigned  int LCDSIZE_Y)
00041     : TFT932x(displayproto, Hz, mosi, miso, sclk, CS, reset, LCDSIZE_X, LCDSIZE_Y, name)
00042 {
00043     hw_reset(); //TFT class forwards to Protocol class
00044     BusEnable(true); //set CS low, TFT932x class will toggle CS every transfer
00045     identify(); // will collect tftID
00046     if(tftID==0x9325) init9325();
00047     auto_gram_read_format();// try to get read gram pixel format, could be 16bit or 18bit, RGB or BGR. Will set flags accordingly
00048     set_orientation(0); 
00049     FastWindow(true); // most but not all controllers support this, even if datasheet tells they should. 
00050     cls();
00051     locate(0,0); 
00052 }
00053 // reset and init the lcd controller
00054 
00055 void ILI932x::init9325()
00056 {
00057     /* Example for ILI9325 ----------------------------------------------------*/
00058 
00059  reg_write(0x0001,0x0100); 
00060  reg_write(0x0002,0x0700); 
00061  reg_write(0x0003,0x1030); 
00062  reg_write(0x0004,0x0000); 
00063  reg_write(0x0008,0x0207);  
00064  reg_write(0x0009,0x0000);
00065  reg_write(0x000A,0x0000); 
00066  reg_write(0x000C,0x0000); 
00067  reg_write(0x000D,0x0000);
00068  reg_write(0x000F,0x0000);
00069 //power on sequence VGHVGL
00070  reg_write(0x0010,0x0000);   
00071  reg_write(0x0011,0x0007);  
00072  reg_write(0x0012,0x0000);  
00073  reg_write(0x0013,0x0000); 
00074  reg_write(0x0007,0x0001);
00075 wait_ms(200);
00076 //vgh 
00077  reg_write(0x0010,0x1290);   
00078  reg_write(0x0011,0x0227);
00079 wait_ms(50);
00080  //vregiout 
00081  reg_write(0x0012,0x001d); //0x001b
00082  wait_ms(50);
00083  //vom amplitude
00084  reg_write(0x0013,0x1500);
00085  wait_ms(50); 
00086  //vom H
00087  reg_write(0x0029,0x0018); 
00088  reg_write(0x002B,0x000D); 
00089 wait_ms(50);
00090 //gamma
00091  reg_write(0x0030,0x0004);
00092  reg_write(0x0031,0x0307);
00093  reg_write(0x0032,0x0002);// 0006
00094  reg_write(0x0035,0x0206);
00095  reg_write(0x0036,0x0408);
00096  reg_write(0x0037,0x0507); 
00097  reg_write(0x0038,0x0204);//0200
00098  reg_write(0x0039,0x0707); 
00099  reg_write(0x003C,0x0405);// 0504
00100  reg_write(0x003D,0x0F02); 
00101  //ram
00102  reg_write(0x0050,0x0000); 
00103  reg_write(0x0051,0x00EF);
00104  reg_write(0x0052,0x0000); 
00105  reg_write(0x0053,0x013F);  
00106  reg_write(0x0060,0xA700); 
00107  reg_write(0x0061,0x0001); 
00108  reg_write(0x006A,0x0000); 
00109  //
00110  reg_write(0x0080,0x0000); 
00111  reg_write(0x0081,0x0000); 
00112  reg_write(0x0082,0x0000); 
00113  reg_write(0x0083,0x0000); 
00114  reg_write(0x0084,0x0000); 
00115  reg_write(0x0085,0x0000); 
00116  //
00117  reg_write(0x0090,0x0010); 
00118  reg_write(0x0092,0x0600); 
00119  reg_write(0x0093,0x0003); 
00120  reg_write(0x0095,0x0110); 
00121  reg_write(0x0097,0x0000); 
00122  reg_write(0x0098,0x0000);
00123  
00124  reg_write(0x0007,0x0133); // display on
00125 
00126 }