基于8051F340回读LCD驱动IC的ID号源代码

#include "c8051F340.h" #include <intrins.h> #include<absacc.h> #include<lcd\lcd_control.h> #include<MMC_SD\MMC_SD.h> #include<main.h> /* sbit LCD_cs=P1^3; sbit reset=P1^7; sbit rs=P1^4; sbit wrb=P1^5; sbit rdb=P1^6; */ uint16 HDP=320;//320-1 uint16 VDP=240;//240-1 void delay(unsigned int i) { unsigned char a; unsigned int b; for(b=0;b<i;b++) for(a=0;a<255;a++); } extern void write_command(uint16 c) { // EA=0; LCD_cs=0; rs=0; rdb=1; //wrb=0; //P2=0x00; //wrb=1; wrb=0; P4=c>>8; P2=c; wrb=1; // EA=1; LCD_cs=1; } extern void write_data(uint16 d) { //EA=0; LCD_cs=0; rs=1; rdb=1; // wrb=0; // P2=0x00; // wrb=1; wrb=0; P4=d>>8; P2=d; wrb=1; ; // EA=1; LCD_cs=1; } extern void write_disply_data(uint16 d) { //EA=0; LCD_cs=0; rs=1; rdb=1; // wrb=0; // P4=d>>8; //wrb=1; wrb=0; P4=d>>8; P2=d; wrb=1; // EA=1; LCD_cs=1; } extern void write_dc(uint8 d1,uint8 d2) { //EA=0; LCD_cs=0; rdb=1; rs=1; /* wrb=0; P2=d1; wrb=1; */ wrb=0; P4=d1; P2=d2; wrb=1; //EA=1; LCD_cs=1; } void Lcd_Init(void) { LCD_cs=0; reset=1; delay(30); reset=0; delay(100); reset=1; delay(100); //Driving ability Setting write_command(0x002E);write_data(0x007F); //GDOFF write_command(0x00EA);write_data(0x0000); //PTBA[15:8] write_command(0x00EB);write_data(0x0020); //PTBA[7:0] write_command(0x00EC);write_data(0x003C); //STBA[15:8] write_command(0x00ED);write_data(0x00C4); //STBA[7:0] write_command(0x00E8);write_data(0x0050); //OPON[7:0] write_command(0x00E9);write_data(0x0038); //OPON1[7:0] write_command(0x00F1);write_data(0x0001); //OTPS1B write_command(0x00F2);write_data(0x0008); //GEN //Gamma 2.2 Setting write_command(0x0040);write_data(0x0001); // write_command(0x0041);write_data(0x001F); // write_command(0x0042);write_data(0x0025); // write_command(0x0043);write_data(0x0022); // write_command(0x0044);write_data(0x001E); // write_command(0x0045);write_data(0x0026); // write_command(0x0046);write_data(0x0035); // write_command(0x0047);write_data(0x0075); // write_command(0x0048);write_data(0x0006); // write_command(0x0049);write_data(0x0014); // write_command(0x004A);write_data(0x0019); // write_command(0x004B);write_data(0x001A); // write_command(0x004C);write_data(0x0017); // write_command(0x0050);write_data(0x0019); // write_command(0x0051);write_data(0x0021); // write_command(0x0052);write_data(0x001D); // write_command(0x0053);write_data(0x001A); // write_command(0x0054);write_data(0x0020); // write_command(0x0055);write_data(0x003E); // write_command(0x0056);write_data(0x000A); // write_command(0x0057);write_data(0x004A); // write_command(0x0058);write_data(0x0008); // write_command(0x0059);write_data(0x0005); // write_command(0x005A);write_data(0x0006); // write_command(0x005B);write_data(0x000B); // write_command(0x005C);write_data(0x0019); // write_command(0x005D);write_data(0x00CC); // //Power Voltage Setting write_command(0x001B);write_data(0x001B); //VRH=4.65V write_command(0x001A);write_data(0x0005); //BT (VGH~12V,VGL~-7V,DDVDH~5V) write_command(0x0024);write_data(0x0070); //VMH(VCOM High voltage ~4.2V) write_command(0x0025);write_data(0x0058); //VML(VCOM Low voltage -1.2V) //****VCOM offset**/// write_command(0x0023);write_data(0x007E); //for Flicker adjust //can reload from OTP //Power on Setting write_command(0x0018);write_data(0x0036); //I/P_RADJ,N/P_RADJ, Normal mode 70Hz write_command(0x0019);write_data(0x0001); //OSC_EN='1', start Osc write_command(0x0001);write_data(0x0000); //DP_STB='0', out deep sleep write_command(0x001F);write_data(0x0088); // GAS=1, VOMG=00, PON=0, DK=1, XDK=0, DVDH_TRI=0, STB=0 delay(5); write_command(0x001F);write_data(0x0080); // GAS=1, VOMG=00, PON=0, DK=0, XDK=0, DVDH_TRI=0, STB=0 delay(5); write_command(0x001F);write_data(0x0090); // GAS=1, VOMG=00, PON=1, DK=0, XDK=0, DVDH_TRI=0, STB=0 delay(5); write_command(0x001F);write_data(0x00D0); // GAS=1, VOMG=10, PON=1, DK=0, XDK=0, DDVDH_TRI=0, STB=0 delay(5); //262k/65k color selection write_command(0x0017);write_data(0x0005); //default 0x06 262k color // 0x05 65k color //SET PANEL write_command(0x0036);write_data(0x0009); //SS_P, GS_P,REV_P,BGR_P //Display ON Setting write_command(0x0028);write_data(0x0038); //GON=1, DTE=1, D=1000 delay(40); write_command(0x0028);write_data(0x003C); //GON=1, DTE=1, D=1100 //Set GRAM Area write_command(0x0002);write_data(0x0000); write_command(0x0003);write_data(0x0000); //Column Start write_command(0x0004);write_data(0x0000); write_command(0x0005);write_data(0x00EF); //Column End write_command(0x0006);write_data(0x0000); write_command(0x0007);write_data(0x0000); //Row Start write_command(0x0008);write_data(0x0001); write_command(0x0009);write_data(0x003F); //Row End write_command(0x0022); /* //8352B write_command(0xE2);write_data(0x15); //VREFsetting write_command(0xE5);write_data(0x28); write_command(0xE7);write_data(0x28); write_command(0xE8);write_data(0x48); write_command(0xEC);write_data(0x09); write_command(0xED);write_data(0x06); // Power on Setting write_command(0x23);write_data(0x76); write_command(0x24);write_data(0x57); write_command(0x25);write_data(0x71); write_command(0x1B);write_data(0x1E); //VREG1 = 4.5V write_command(0x01);write_data(0x00); write_command(0x1C);write_data(0x04); // Power on sequence write_command(0x19);write_data(0x01); delay(5); write_command(0x1F);write_data(0x8C); write_command(0x1F);write_data(0x84); delay(10); write_command(0x1F);write_data(0x94); delay(10); write_command(0x1F);write_data(0xD4); delay(5); // Gamma Setting write_command(0x40);write_data(0x08); write_command(0x41);write_data(0x31); write_command(0x42);write_data(0x2F); write_command(0x43);write_data(0x3E); write_command(0x44);write_data(0x3D); write_command(0x45);write_data(0x3F); write_command(0x46);write_data(0x2F); write_command(0x47);write_data(0x79); write_command(0x48);write_data(0x08); write_command(0x49);write_data(0x06); write_command(0x4A);write_data(0x08); write_command(0x4B);write_data(0x0E); write_command(0x4C);write_data(0x17); write_command(0x50);write_data(0x00); write_command(0x51);write_data(0x02); write_command(0x52);write_data(0x01); write_command(0x53);write_data(0x10); write_command(0x54);write_data(0x0E); write_command(0x55);write_data(0x37); write_command(0x56);write_data(0x06); write_command(0x57);write_data(0x50); write_command(0x58);write_data(0x08); write_command(0x59);write_data(0x11); write_command(0x5A);write_data(0x17); write_command(0x5B);write_data(0x19); write_command(0x5C);write_data(0x17); write_command(0x5D);write_data(0xFF); // Display ON Setting write_command(0x16);write_data(0x09); write_command(0x28);write_data(0x20); delay(40); write_command(0x28);write_data(0x38); delay(40); // Waiting 2 frames al least write_command(0x28);write_data(0x3C); write_command(0x80);write_data(0x00); write_command(0x81);write_data(0x00); write_command(0x82);write_data(0x00); write_command(0x83);write_data(0x00); //Updated GRAM write_command(0x22); */ } void LCD_clear() { uint16 l=320,w; goto_start(); while(l--) { for(w=0;w<240;w++) { write_data(0xffff); } } } void goto_start(void) { write_command(0x0002);write_data(0); write