iic.i

NOVATEK公司的LCD_CONTROLLER源代码 液晶显示器驱动板源代码NT68521

 extern code unsigned char ColorTab[];
 
 void BrightnessUp(void);
 void BrightnessDown(void);
 void LoadModeIndependentSettings(void);
 void LoadModeDependentSettings(void);
 void SaveModeDependentSettings(void);
 void ContrastUp(void);
 void ContrastDown(void);
 void ClockUp(void);
 void ClockDown(void);
 void PhaseUp(void);
 void PhaseDown(void);
 void HP_Up(void);
 void HP_Down(void);
 void VP_Up(void);
 void VP_Down(void);
 void Recall(void);
 void OSD_X_Up(void);
 void OSD_X_Down(void);
 void OSD_Y_Up(void);
 void OSD_Y_Down(void);
 void SharpnessUp(void);
 void SharpnessDown(void);
 void RGB_Up(void);
 void RGB_Down(void);
 void OSD_TimerUp(void);
 void OSD_TimerDown(void);
 void ColorTempUp(void);
 void ColorTempDown(void);
 void LanguageUp(void);
 void LanguageDown(void);
 void ResetEEPROM(void);
 void SaturationUp(void);
 void SaturationDown(void);
 void TintUp(void);
 void TintDown(void);
 void SharpnessDown(void);
 void CH_SystemUp(void);
 void CH_SystemDown(void);
 void InverterUp(void);
 void InverterDown(void);
 void SourceSelect(void);
 
 
#line 9 "SRC\IIC.C" /0
 
  
#line 1 "SRC\SCALER.H" /0
 
 
 
 
 
 
 
 extern code unsigned char TCON_Tab[];
 extern code unsigned short H_ActiveTab[];
 extern code unsigned short V_ActiveTab[];
 extern code unsigned char PhaseTable[];
 
 void InitScaler(void);
 void TCONInit(void);
 void UpdatePresetData(void);
 void SetADC_Phase(void);
 void SetADC_PLL(void);
 void SetScaler(void);
 void SetScalerAV(void);
 void ForceToBackground(unsigned char color);
 void SetDisplayNormal(void);
 void PowerSaving(void);
 void ScalerPowerDown(void);
 void ScalerPowerUp(void);
 void SetHP(void);
 void SetVP(void);
 void SetDPLL(unsigned long dclk);
 void SetSharpness(void);
 void SetContrast(void);
 void SetBrightness(void);
 void SetInverter(void);
 void LoadADC_Gain(void);
 void SetVolume(void);
 void SetStartDPLL(unsigned long dclk);
 void WritePageScaler(unsigned char addr1,unsigned char addr2,unsigned char *p);
 void SetScalerAV(void);
 
 
#line 10 "SRC\IIC.C" /0
 
  
#line 1 "SRC\SAA7114.H" /0
 
 
 
 
 
 void SAA7114Init(void);
 void WritePageSAA7114(unsigned char addr1,unsigned char addr2);
 void CheckColorSystem(void);
 void CheckVideo(void);
 void SetVideoBrightness(void);
 void SetVideoContrast(void);
 void SetVideoSaturation(void);
 void SetVideoTint(void);
 void SetVideoSharpness(void);
 void SetAV_System(void);
 
 
#line 11 "SRC\IIC.C" /0
 
 
 unsigned char Read24C16(unsigned short addr16)
 {
 unsigned char ch;
 unsigned short device,addr;
 addr = addr16 & 0x0ff;
 device = (addr16 >> 7) & 0x0e;
 device |= 0xa0;
 ch = ReadIIC_HW(device,addr);
 return ch;
 }
 
 void InitEEPROM(void)
 {
 unsigned short addr;
 for(addr=0; addr<0x280; addr=addr+16){
 WritePage24C16(addr,addr,MCU_DataMap);
 }
 for(addr=0; addr<50; addr++){
 Write24C16(0x290+addr*2,MCU_DataMap[0x104+addr*8]);
 Write24C16(0x291+addr*2,MCU_DataMap[0x105+addr*8]);
 }
 
 Write24C16(0xe8,0x55);
 Write24C16(0xe9,0xaa);
 Write24C16(0xea,0x00);
 Write24C16(0xeb,0x12);
 }
 
 void Write24C16(unsigned short k,unsigned char ch)
 {
 unsigned char device,addr;
 addr = (unsigned char)k;
 device = (unsigned char)((k>>7)&0x0e);
 device |= 0xa0;
 WriteIIC_HW(device,addr,ch);
 Sleep(12);
 }
 
 void WritePage24C16(unsigned short addr1,unsigned short addr2,unsigned char *p)
 {
 unsigned char i,ch;
 i = (unsigned char)((addr1 >>7 ) & 0x0e);
 i |= 0xa0;
 
 
 INTIIC1_FLG = 0xff;
 IIC1_DATA = i;
 IIC1_CLK = 0x20 | IIC_BaudRate;
 IIC1_CON = 0x00;
 
 MasterSendByte(addr1);
 
 for(i=0; i<16; i++){
 ch = p[addr2 + i];
 MasterSendByte(ch);
 }
 
 WaitTx();
 
 IIC1_CLK = 0xA0|IIC_BaudRate;
 
 WaitStop();
 Sleep(12);
 }
 
 void WriteWordIIC_HW(unsigned char device,unsigned char addr,unsigned short value)
 {
 
 
 INTIIC1_FLG = 0xff;
 IIC1_DATA = device;
 IIC1_CLK = 0x20 | IIC_BaudRate;
 IIC1_CON = 0x00;
 
 MasterSendByte(addr);
 
 MasterSendByte((unsigned char)value);
 MasterSendByte((unsigned char)(value >> 8));
 
 WaitTx();
 
 IIC1_CLK = 0xA0|IIC_BaudRate;
 
 WaitStop();
 }
 
 void LoadDDCData(unsigned char ddcsw)
 {
 unsigned char *p,i;
 unsigned short device,addr;
 DDC_CTRL = 0;
 p = &DDCPtr;
 if(ddcsw == 0){













 
 }
 else if(ddcsw == 1){	 
 flag2 |= 0x80;
 addr = (unsigned char)0x300;
 device = (unsigned char)(0x300 >> 7) & 0x0e;
 if((flag3 & 0x04) != 0x00)
 printf("\n Load Analog EDID\r\n");
 }
 else{		 
 flag2 &= ~0x80;
 addr = (unsigned char)0x380;
 device = (unsigned char)(0x380 >> 7) & 0x0e;
 if((flag3 & 0x04) != 0x00)
 printf("Load Digital EDID\r\n");
 }
 device |= 0xa0;
 
 
 INTIIC1_FLG = 0xff;
 IIC1_DATA = device;
 IIC1_CLK = 0x20 | IIC_BaudRate;
 
 MasterSendByte(addr);
 
 WaitTx();
 
 IIC1_CLK = 0xA0|IIC_BaudRate;
 
 
 WaitStop();
 
 IIC1_DATA = device+1;
 IIC1_CLK = 0x60 | IIC_BaudRate;
 WaitTx();
 
 for(i=128; i>0; i--){
 *p = MasterReadByte(i);
 p++;
 }
 
 
 
 
 WaitStop();
 DDC_CTRL = (0x80 |0x40 | 0x01 | 0x02);
 
 
 
 DDC_CTRL = (0x80 | 0x10);
 }
 
 void SaveDDCData(unsigned char ddcsw)
 {
 unsigned char *p,i;
 LED_GrnOff();
 LED_RedOn();
 DDC_CTRL = (0x80 | 0x10 | 0x01);	
 Timer3 = 50;
 while(Timer3 != 0){
 if((INTIIC0_FLG & 0x01) != 0){
 INTIIC0_FLG = 0x01;
 Timer3 = 50;
 }
 if((DDC_REG & 0x01) != 0){		 
 DDC_CTRL = (0x80 | 0x10 | 0x01);	
 Timer3 = 50;
 }
 }
 p = &DDCPtr;
 if(ddcsw == 0){





















 
 }
 else if(ddcsw == 1){	 
 for(i=0; i<128; i=i+16){
 do{
 DDC_REG = 0x80;
 WritePage24C16(0x300+i,i,p);
 if((DDC_REG & 0x01) != 0){		 
 return;
 }
 }while((DDC_REG & 0x80) == 0);		 
 }
 }
 else{					 
 for(i=0; i<128; i=i+16){
 do{
 DDC_REG = 0x80;
 WritePage24C16(0x380+i,i,p);
 if((DDC_REG & 0x01) != 0){		 
 return;
 }
 }while((DDC_REG & 0x80) == 0);		 
 }
 }
 LED_GrnOn();
 LED_RedOff();
 }
 void WriteIIC_HW(unsigned char device,unsigned char addr,unsigned char ch)
 {
 
 
 INTIIC1_FLG = 0xff;
 IIC1_DATA = device;
 IIC1_CLK = 0x20 | IIC_BaudRate;
 IIC1_CON = 0x00;
 
 MasterSendByte(addr);
 
 MasterSendByte(ch);
 
 WaitTx();
 
 IIC1_CLK = 0xA0|IIC_BaudRate;
 
 WaitStop();
 }
 
 void MasterSendByte(unsigned char i)
 {
 Timer1 = 100;
 while((INTIIC1_FLG & 0x08) == 0){
 if(Timer1 == 0){
 if((flag3 & 0x04) != 0x00){
 printf("ACK Fail2\r\n");
 }
 EA = 0;
 break;
 }
 } 
 INTIIC1_FLG = 0x08;
 IIC1_DATA = i;
 }
 
 void WaitTx(void)
 {
 Timer1 = 100;
 while((INTIIC1_FLG & 0x08) == 0){
 if(Timer1 == 0){
 if((flag3 & 0x04) != 0x00){
 printf("ACK Fail3\r\n");
 }
 EA = 0;
 break;
 }
 } 
 INTIIC1_FLG = 0x08;
 }
 
 void WriteIICV_HW(unsigned char device,unsigned char addr,unsigned char ch)
 {
 
 
 INTIIC1_FLG = 0xff;
 IIC1_DATA = device;
 IIC1_CLK = 0x20 | IIC_BaudRate;
 IIC1_CON = 0x00;
 
 MasterSendByte(addr);
 
 MasterSendByteV(ch);
 
 WaitTx();
 
 IIC1_CLK = 0xA0|IIC_BaudRate;
 
 WaitStop();
 }
 
 void MasterSendByteV(unsigned char i)
 {
 Timer1 = 100;
 while((INTIIC1_FLG & 0x08) == 0){
 if(Timer1 == 0){
 if((flag3 & 0x04) != 0x00){
 printf("ACK Fail6\r\n");
 }
 EA = 0;
 break;
 }
 } 
 INTHV_FLG |= 0x40;
 Timer1 = 40;
 while(Timer1 != 0){
 if((INTHV_FLG & 0x40) != 0)
 break;
 }
 INTIIC1_FLG = 0x08;
 IIC1_DATA = i;
 if(Timer1 == 0){
 BackLightOff();
 flag2 |= 0x01;
 H_SYNC_Temp = 0xffff;
 V_SYNC_Temp = 0xffff;
 if((flag3 & 0x04) != 0x00){
 printf("Mode change\r\n");
 }
 }
 }
 
#line 340 "SRC\IIC.C" /1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
#line 385 "SRC\IIC.C" /0
 unsigned short ReadWordIIC_HW(unsigned char device,unsigned char addr)
 {
 unsigned char ch;
 unsigned short value;
 
 
 INTIIC1_FLG = 0xff;
 IIC1_DATA = device;
 IIC1_CLK = 0x20 | IIC_BaudRate;
 
 MasterSendByte(addr);
 
 WaitTx();
 
 IIC1_CLK = 0xA0|IIC_BaudRate;
 
 
 WaitStop();
 
 IIC1_DATA = device+1;
 IIC1_CLK = 0x60 | IIC_BaudRate;
 WaitTx();
 
 
 ch = MasterReadByte(2);
 
 value = MasterReadByte(1);
 value <<= 8;
 value |= ch;
 
 
 
 
 WaitStop();
 return(value);
 }
 
 unsigned char ReadIIC_HW(unsigned char device,unsigned char addr)
 {
 unsigned char value;
 
 
 INTIIC1_FLG = 0xff;
 IIC1_DATA = device;
 IIC1_CLK = 0x20 | IIC_BaudRate;
 
 MasterSendByte(addr);
 
 WaitTx();
 
 IIC1_CLK = 0xA0|IIC_BaudRate;
 
 
 WaitStop();
 
 IIC1_DATA = device+1;
 IIC1_CLK = 0x60 | IIC_BaudRate;
 WaitTx();
 
 
 value = MasterReadByte(1);
 
 
 
 
 WaitStop();
 return(value);
 }
 
 unsigned char MasterReadByte(unsigned char k)
 {
 unsigned char i;
 Timer1 = 100;
 while((INTIIC1_FLG & 0x04) == 0){
 if(Timer1 == 0){
 if((flag3 & 0x04) != 0x00){
 printf("ACK Fail4\r\n");
 }
 EA = 0;
 break;
 }
 }
 if(k == 1){
 IIC1_CON = 0x02;
 }
 else{
 IIC1_CON = 0x00;
 }
 INTIIC1_FLG = 0x04;
 i = IIC1_DATA;
 return i;
 }
 
 void WaitStop(void)
 {
 Timer1 = 100;
 while((IIC1_CON & 0x08) == 0){
 if(Timer1 == 0){
 if((flag3 & 0x04) != 0x00){
 printf("Stop Fail\r\n");
 }
 EA = 0;
 break;
 }
 }
 IIC1_CON = 0x00;
 }
 
 void CheckDevice(void)
 {
 DeviceFlag = 0;
 
 if((flag3 & 0x04) != 0x00){
 printf("Video Decoder ");
 }
 VideoEnable();
 Sleep(10);
 if(TestIIC_HW(0x42) == 0)
 DeviceFlag &= ~0x01;
 else
 DeviceFlag |= 0x01;
 VideoDisable();
 }
 
 unsigned char TestIIC_HW(unsigned char device)
 {
 unsigned char value;
 
 
 INTIIC1_FLG = 0xff;
 IIC1_DATA = device + 1;
 IIC1_CLK = 0x60 | IIC_BaudRate;
 
 Timer1 = 100;
 while((INTIIC1_FLG & 0x08) == 0){
 if(Timer1 == 0){
 break;
 }
 } 
 INTIIC1_FLG = 0x08;
 
 IIC1_CON = 0x02;
 Timer1 = 100;
 while((INTIIC1_FLG & 0x04) == 0){
 if(Timer1 == 0)
 break;
 }
 if(Timer1 == 0){
 IIC1_CLK = 0xA0|IIC_BaudRate;
 IIC1_CON = 0x00;
 value = 0;
 if((flag3 & 0x04) != 0x00){
 printf("not install\r\n");
 }
 }
 else{
 value = IIC1_DATA;
 value |= 0x02;
 
 
 
 
 WaitStop();
 if((flag3 & 0x04) != 0x00){
 printf("install\r\n");
 }
 }
 return(value);
 }