📄 init.c
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void Init_MTV021(void)
{
BYTE idata i,mm;
GoI2CMaster(0x7A); //================================//
SendI2CByte(0x8F); // row 15 of osd ic //
SendI2CByte(0x0F); //================================//
SendI2CByte(0x40); // column 15 resolution of //
// a horizontal display line //
//================================//
SendI2CByte(0x10); // column 16 row to row spacing //
SendI2CByte(0x00); // in unit of horizontal line //
//================================//
SendI2CByte(0x11); // column 17 //
SendI2CByte(0x80); // OSDEN,BSEN,SHADOW,FAN //
// BLANK,WENCLR,RAMCLR,FBKGC //
//================================//
SendI2CByte(0x12); // column 18 //
SendI2CByte(0xf1); // TRIC,FBKGP,PWMCK,SELVCL //
// HSP,VSP,VCO1,VCO0 (0xD2) //
//================================//
SendI2CByte(0x13); // color of shadwing windos & the //
SendI2CByte(0x00); // color of bordering on character//
//===================================//
SendI2CByte(0x14); //CFONT Enable 16 multi-color font //
SendI2CByte(0x01); //UFONT Enable 8 user programma font //
//===================================//
SendI2CByte(0x0c); //Vertical position //
SendI2CByte(0x20);
SendI2CByte(0x0d); //horizontal position //
SendI2CByte(0x20);
//===========window1==================//
SendI2CByte(0x00); //column0 //
SendI2CByte(0x0f); //row start address and row end address //
SendI2CByte(0x01); //column1 //
SendI2CByte(0x00); //column start address and WEN WSHD//
SendI2CByte(0x02); //column2 //
SendI2CByte(0x01); //column end address and RGB//
//===========window2==================//
SendI2CByte(0x03); //column3 //
SendI2CByte(0x0f); //row start address and row end address //
SendI2CByte(0x04); //column4 //
SendI2CByte(0x00); //column start address and WEN WSHD//
SendI2CByte(0x05); //column5 //
SendI2CByte(0x01); //column end address and RGB//
//===========window3==================//
SendI2CByte(0x06); //column6 //
SendI2CByte(0x0f); //row start address and row end address //
SendI2CByte(0x07); //column7 //
SendI2CByte(0x00); //column start address and WEN WSHD//
SendI2CByte(0x08); //column8//
SendI2CByte(0x01); //column end address and RGB//
//===========window4==================//
SendI2CByte(0x09); //column9//
SendI2CByte(0x0f); //row start address and row end address //
SendI2CByte(0x0a); //column10//
SendI2CByte(0x00); //column start address and WEN WSHD//
SendI2CByte(0x0b); //column11//
SendI2CByte(0x01); //column end address and RGB//
SendI2CStop();
GoI2CMaster(0x7A);
for(i=0;i<=14;i++)
{
SendI2CByte(0x80+i);
SendI2CByte(0x1e);
SendI2CByte(0x00);
for(mm=0;mm<=0x1e;mm++)
{
SendI2CByte(0x80+i);
SendI2CByte(mm);
SendI2CByte(0x00);
SendI2CByte(0xa0+i);
SendI2CByte(mm);
SendI2CByte(0x00);
}
}
SendI2CStop();
return;
}
#ifdef INIT_DDC_DATA
unsigned char code edid_data[128]={
0x00,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x0a,0x85,0x10,0x79,0x09,0x00,0x00,0x00,
0x0a,0x0b,0x01,0x02,0x68,0x20,0x18,0x7e,0xea,0xbb,0xbb,0xa3,0x52,0x46,0x98,0x24,
0x0f,0x48,0x4b,0x24,0x4a,0x00,0x31,0xca,0x45,0x59,0x61,0x59,0x81,0x80,0x31,0x59,
0x01,0x01,0x01,0x01,0x01,0x01,0xea,0x24,0x00,0x60,0x41,0x00,0x28,0x30,0x30,0x60,
0x13,0x00,0x36,0xe6,0x10,0x00,0x00,0x1e,0x00,0x00,0x00,0xfc,0x00,0x42,0x69,0x67,
0x74,0x69,0x64,0x65,0x2d,0x43,0x4d,0x31,0x37,0x37,0x00,0x00,0x00,0xfc,0x00,0x30,
0x4d,0x4b,0x2d,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x39,0x0a,0x00,0xfc,
0x00,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x39,0x0a,0x20,0x20,0x00,0x4d
};
#endif
//EEPROM中无明确意义的用该组数据初始化
unsigned char code Eeprom_Init_Data[16]={
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
//系统的显示模式辅助参数
unsigned char code EepInitData_ModeSub[4]={
0xff,0xff,0x80,0x80};
//与显示模式无关的参数的默认数据
unsigned char code EepInitData_Mode_Norelation[8]={
0xcc,0xcc,0x80,0x80,0x80,0x00,0x00,0x80};
//系统配置参数和初始化标志
//unsigned char code EepInitData_SysConfig[4]={0xe1,0x00,0x0a,0x69};
// 功能:进行EEPROM的初始化，首先要判断该EEPROM是否被初始化过
void Init_Eeprom(void)
{
unsigned char data i,j,k,check_data;
for (j=0;j<2;j++) {
if (!Flg_Init_Eeprom) {
check_data=0;
for (i=0;i<20;i++) {
eepByteIn(eepInitFlag);
check_data=eepByteIn(eepInitFlag);
if (check_data==0x69) break;
else {check_data=0; continue;}
}
if (i!=20) return;
}
#ifdef INIT_DDC_DATA
// 将默认的EDID数据写入第0页的前128字节
for(k=0;k<128;k++){
eepByteOut(eepEDID+i,edid_data[i]);
}
#endif
//将存放10个工厂预置模式的10个与显示模式相关的参数，共占90个字节
for (i=0;i<10;i++) {
eepByteOut(eepFModeRelPar+i*9,0x80);
eepByteOut(eepFModeRelPar+i*9+1,0x80);
eepByteOut(eepFModeRelPar+i*9+2,0x80);
eepByteOut(eepFModeRelPar+i*9+3,0x80);
eepByteOut(eepFModeRelPar+i*9+4,0x80);
eepByteOut(eepFModeRelPar+i*9+5,0x80);
eepByteOut(eepFModeRelPar+i*9+6,0x80);
eepByteOut(eepFModeRelPar+i*9+7,0x80);
eepByteOut(eepFModeRelPar+i*9+8,0x80);
}
//将存放10个用户预制模式的10个与显示模式相关的参数,共占90个字节
for (i=0;i<10;i++) {
eepByteOut(eepUModeRelPar+i*9,0x80);
eepByteOut(eepUModeRelPar+i*9+1,0x80);
eepByteOut(eepUModeRelPar+i*9+2,0x80);
eepByteOut(eepUModeRelPar+i*9+3,0x80);
eepByteOut(eepUModeRelPar+i*9+4,0x80);
eepByteOut(eepUModeRelPar+i*9+5,0x80);
eepByteOut(eepUModeRelPar+i*9+6,0x80);
eepByteOut(eepUModeRelPar+i*9+7,0x80);
eepByteOut(eepUModeRelPar+i*9+8,0x80);
}
//
// 初始化显示模式的特征参数,包括水平及垂直同步信号频率,及行场同步的极性(工厂预制模式)
for (i=0;i<10;i++) {
eepByteOut(eepFSyncAttr+i*3,0x00);
eepByteOut(eepFSyncAttr+i*3+1,0x00);
eepByteOut(eepFSyncAttr+i*3+2,0x00);
}
// 初始化显示模式的特征参数,包括水平及垂直同步信号频率,及行场同步的极性(用户预制模式)
for (i=0;i<10;i++) {eepByteOut(eepUserSyncAttr+i*3,0x00);
eepByteOut(eepUserSyncAttr+i*3+1,0x00);
eepByteOut(eepUserSyncAttr+i*3+2,0x00);
}
// 初始化色温参数区
for (i=0;i<15;i++) eepByteOut(eepColorPar+i,0x80);
// 初始化显示模式无关参数区(工厂设置区和用户设置区)
for(i=0;i<7;i++) eepByteOut(eepFModeNoRelPar+i,EepInitData_Mode_Norelation[i]);
// 初始化模式辅助参数
for(i=0;i<4;i++) eepByteOut(eepModeSubPar+i,EepInitData_ModeSub[i]);
//初始化系统配置参数及初始化参数
eepByteOut(eepSysConfig,0xe1);
eepByteOut(eepColorIndex,0x00);
eepByteOut(eepUserModeIndex,0x0a);
eepByteOut(eepInitFlag,0x69);
}
}
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