898 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			898 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "IT8951.h"
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| 
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| /*
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| extern IT8951DevInfo gstI80DevInfo;
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| extern uint8_t* gpFrameBuf; 			//Host Source Frame buffer
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| extern uint32_t gulImgBufAddr;		//IT8951 Image buffer address
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| */
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| 
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| //Global varivale
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| IT8951DevInfo gstI80DevInfo;
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| uint8_t* gpFrameBuf; //Host Source Frame buffer
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| uint32_t gulImgBufAddr; //IT8951 Image buffer address
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| 
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| 
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| //-----------------------------------------------------------
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| //Host controller function 1---Wait for host data Bus Ready
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| //-----------------------------------------------------------
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| void LCDWaitForReady()
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| {
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| 	uint8_t ulData = bcm2835_gpio_lev(HRDY);
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| 	while(ulData == 0)
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| 	{
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| 		ulData = bcm2835_gpio_lev(HRDY);
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| 	}
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| }
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| 
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| //-----------------------------------------------------------
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| //Host controller function 2---Write command code to host data Bus
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| //-----------------------------------------------------------
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| void LCDWriteCmdCode(uint16_t usCmdCode)
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| {
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| 	//Set Preamble for Write Command
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| 	uint16_t wPreamble = 0x6000; 
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| 	
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| 	LCDWaitForReady();	
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| 
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| 	bcm2835_gpio_write(CS,LOW);
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| 	
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| 	bcm2835_spi_transfer(wPreamble>>8);
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| 	bcm2835_spi_transfer(wPreamble);
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| 	
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| 	LCDWaitForReady();	
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| 	
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| 	bcm2835_spi_transfer(usCmdCode>>8);
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| 	bcm2835_spi_transfer(usCmdCode);
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| 	
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| 	bcm2835_gpio_write(CS,HIGH); 
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| }
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| 
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| //-----------------------------------------------------------
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| //Host controller function 3---Write Data to host data Bus
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| //-----------------------------------------------------------
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| void LCDWriteData(uint16_t usData)
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| {
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| 	//Set Preamble for Write Data
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| 	uint16_t wPreamble	= 0x0000;
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| 
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| 	LCDWaitForReady();
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| 
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| 	bcm2835_gpio_write(CS,LOW);
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| 
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| 	bcm2835_spi_transfer(wPreamble>>8);
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| 	bcm2835_spi_transfer(wPreamble);
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| 	
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| 	LCDWaitForReady();
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| 			
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| 	bcm2835_spi_transfer(usData>>8);
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| 	bcm2835_spi_transfer(usData);
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| 	
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| 	bcm2835_gpio_write(CS,HIGH); 
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| }
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| 
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| void LCDWriteNData(uint16_t* pwBuf, uint32_t ulSizeWordCnt)
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| {
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| 	uint32_t i;
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| 
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| 	uint16_t wPreamble	= 0x0000;
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| 
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| 	LCDWaitForReady();
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| 
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| 	bcm2835_gpio_write(CS,LOW);
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| 	
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| 	bcm2835_spi_transfer(wPreamble>>8);
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| 	bcm2835_spi_transfer(wPreamble);
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| 	
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| 	LCDWaitForReady();
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| 
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| 	for(i=0;i<ulSizeWordCnt;i++)
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| 	{
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| 		bcm2835_spi_transfer(pwBuf[i]>>8);
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| 		bcm2835_spi_transfer(pwBuf[i]);
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| 	}
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| 	
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| 	bcm2835_gpio_write(CS,HIGH); 
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| }  
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| 
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| //-----------------------------------------------------------
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| //Host controller function 4---Read Data from host data Bus
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| //-----------------------------------------------------------
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| uint16_t LCDReadData()
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| {
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| 	uint16_t wRData; 
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| 	
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| 	uint16_t wPreamble = 0x1000;
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| 
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| 	LCDWaitForReady();
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| 
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| 	bcm2835_gpio_write(CS,LOW);
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| 		
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| 	bcm2835_spi_transfer(wPreamble>>8);
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| 	bcm2835_spi_transfer(wPreamble);
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| 
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| 	LCDWaitForReady();
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| 	
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| 	wRData=bcm2835_spi_transfer(0x00);//dummy
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| 	wRData=bcm2835_spi_transfer(0x00);//dummy
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| 	
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| 	LCDWaitForReady();
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| 	
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| 	wRData = bcm2835_spi_transfer(0x00)<<8;
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| 	wRData |= bcm2835_spi_transfer(0x00);
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| 		
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| 	bcm2835_gpio_write(CS,HIGH); 
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| 		
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| 	return wRData;
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| }
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| 
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| //-----------------------------------------------------------
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| //  Read Burst N words Data
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| //-----------------------------------------------------------
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| void LCDReadNData(uint16_t* pwBuf, uint32_t ulSizeWordCnt)
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| {
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| 	uint32_t i;
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| 	
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| 	uint16_t wPreamble = 0x1000;
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| 
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| 	LCDWaitForReady();
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| 	
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| 	bcm2835_gpio_write(CS,LOW);
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| 
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| 	bcm2835_spi_transfer(wPreamble>>8);
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| 	bcm2835_spi_transfer(wPreamble);
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| 	
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| 	LCDWaitForReady();
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| 	
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| 	pwBuf[0]=bcm2835_spi_transfer(0x00);//dummy
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| 	pwBuf[0]=bcm2835_spi_transfer(0x00);//dummy
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| 	
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| 	LCDWaitForReady();
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| 	
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| 	for(i=0;i<ulSizeWordCnt;i++)
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| 	{
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| 		pwBuf[i] = bcm2835_spi_transfer(0x00)<<8;
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| 		pwBuf[i] |= bcm2835_spi_transfer(0x00);
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| 	}
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| 	
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| 	bcm2835_gpio_write(CS,HIGH); 
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| }
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| 
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| //-----------------------------------------------------------
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| //Host controller function 5---Write command to host data Bus with aruments
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| //-----------------------------------------------------------
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| void LCDSendCmdArg(uint16_t usCmdCode,uint16_t* pArg, uint16_t usNumArg)
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| {
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|      uint16_t i;
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|      //Send Cmd code
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|      LCDWriteCmdCode(usCmdCode);
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|      //Send Data
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|      for(i=0;i<usNumArg;i++)
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|      {
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|          LCDWriteData(pArg[i]);
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|      }
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| }
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| 
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| //-----------------------------------------------------------
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| //Host Cmd 1---SYS_RUN
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| //-----------------------------------------------------------
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| void IT8951SystemRun()
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| {
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|     LCDWriteCmdCode(IT8951_TCON_SYS_RUN);
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| }
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| 
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| //-----------------------------------------------------------
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| //Host Cmd 2---STANDBY
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| //-----------------------------------------------------------
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| void IT8951StandBy()
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| {
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|     LCDWriteCmdCode(IT8951_TCON_STANDBY);
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| }
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| 
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| //-----------------------------------------------------------
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| //Host Cmd 3---SLEEP
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| //-----------------------------------------------------------
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| void IT8951Sleep()
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| {
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|     LCDWriteCmdCode(IT8951_TCON_SLEEP);
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| }
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| 
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| //-----------------------------------------------------------
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| //Host Cmd 4---REG_RD
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| //-----------------------------------------------------------
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| uint16_t IT8951ReadReg(uint16_t usRegAddr)
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| {
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| 	uint16_t usData;
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| 	
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| 	//Send Cmd and Register Address
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| 	LCDWriteCmdCode(IT8951_TCON_REG_RD);
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| 	LCDWriteData(usRegAddr);
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| 	//Read data from Host Data bus
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| 	usData = LCDReadData();
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| 	return usData;
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| }
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| //-----------------------------------------------------------
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| //Host Cmd 5---REG_WR
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| //-----------------------------------------------------------
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| void IT8951WriteReg(uint16_t usRegAddr,uint16_t usValue)
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| {
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| 	//Send Cmd , Register Address and Write Value
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| 	LCDWriteCmdCode(IT8951_TCON_REG_WR);
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| 	LCDWriteData(usRegAddr);
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| 	LCDWriteData(usValue);
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| }
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| 
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| //-----------------------------------------------------------
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| //Host Cmd 6---MEM_BST_RD_T
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| //-----------------------------------------------------------
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| void IT8951MemBurstReadTrigger(uint32_t ulMemAddr , uint32_t ulReadSize)
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| {
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|     uint16_t usArg[4];
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|     //Setting Arguments for Memory Burst Read
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|     usArg[0] = (uint16_t)(ulMemAddr & 0x0000FFFF); //addr[15:0]
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|     usArg[1] = (uint16_t)( (ulMemAddr >> 16) & 0x0000FFFF ); //addr[25:16]
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|     usArg[2] = (uint16_t)(ulReadSize & 0x0000FFFF); //Cnt[15:0]
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|     usArg[3] = (uint16_t)( (ulReadSize >> 16) & 0x0000FFFF ); //Cnt[25:16]
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|     //Send Cmd and Arg
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|     LCDSendCmdArg(IT8951_TCON_MEM_BST_RD_T , usArg , 4);
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| }
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| //-----------------------------------------------------------
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| //Host Cmd 7---MEM_BST_RD_S
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| //-----------------------------------------------------------
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| void IT8951MemBurstReadStart()
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| {
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|     LCDWriteCmdCode(IT8951_TCON_MEM_BST_RD_S);
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| }
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| //-----------------------------------------------------------
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| //Host Cmd 8---MEM_BST_WR
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| //-----------------------------------------------------------
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| void IT8951MemBurstWrite(uint32_t ulMemAddr , uint32_t ulWriteSize)
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| {
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|     uint16_t usArg[4];
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|     //Setting Arguments for Memory Burst Write
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|     usArg[0] = (uint16_t)(ulMemAddr & 0x0000FFFF); //addr[15:0]
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|     usArg[1] = (uint16_t)( (ulMemAddr >> 16) & 0x0000FFFF ); //addr[25:16]
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|     usArg[2] = (uint16_t)(ulWriteSize & 0x0000FFFF); //Cnt[15:0]
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|     usArg[3] = (uint16_t)( (ulWriteSize >> 16) & 0x0000FFFF ); //Cnt[25:16]
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|     //Send Cmd and Arg
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|     LCDSendCmdArg(IT8951_TCON_MEM_BST_WR , usArg , 4);
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| }
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| //-----------------------------------------------------------
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| //Host Cmd 9---MEM_BST_END
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| //-----------------------------------------------------------
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| void IT8951MemBurstEnd(void)
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| {
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|     LCDWriteCmdCode(IT8951_TCON_MEM_BST_END);
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| }
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| 
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| //-----------------------------------------------------------
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| //Example of Memory Burst Write
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| //-----------------------------------------------------------
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| // ****************************************************************************************
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| // Function name: IT8951MemBurstWriteProc( )
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| //
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| // Description:
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| //   IT8951 Burst Write procedure
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| //      
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| // Arguments:
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| //      uint32_t ulMemAddr: IT8951 Memory Target Address
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| //      uint32_t ulWriteSize: Write Size (Unit: Word)
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| //      uint8_t* pDestBuf - Buffer of Sent data
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| // Return Values:
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| //   NULL.
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| // Note:
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| //
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| // ****************************************************************************************
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| void IT8951MemBurstWriteProc(uint32_t ulMemAddr , uint32_t ulWriteSize, uint16_t* pSrcBuf )
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| {
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|     
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|     uint32_t i;
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|  
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|     //Send Burst Write Start Cmd and Args
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|     IT8951MemBurstWrite(ulMemAddr , ulWriteSize);
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|  
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|     //Burst Write Data
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|     for(i=0;i<ulWriteSize;i++)
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|     {
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|         LCDWriteData(pSrcBuf[i]);
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|     }
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|  
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|     //Send Burst End Cmd
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|     IT8951MemBurstEnd();
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| }
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| 
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| // ****************************************************************************************
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| // Function name: IT8951MemBurstReadProc( )
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| //
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| // Description:
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| //   IT8951 Burst Read procedure
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| //      
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| // Arguments:
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| //      uint32_t ulMemAddr: IT8951 Read Memory Address
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| //      uint32_t ulReadSize: Read Size (Unit: Word)
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| //      uint8_t* pDestBuf - Buffer for storing Read data
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| // Return Values:
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| //   NULL.
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| // Note:
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| //
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| // ****************************************************************************************
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| void IT8951MemBurstReadProc(uint32_t ulMemAddr , uint32_t ulReadSize, uint16_t* pDestBuf )
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| {
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|     //Send Burst Read Start Cmd and Args
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|     IT8951MemBurstReadTrigger(ulMemAddr , ulReadSize);
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|           
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|     //Burst Read Fire
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|     IT8951MemBurstReadStart();
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|     
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|     //Burst Read Request for SPI interface only
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|     LCDReadNData(pDestBuf, ulReadSize);
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| 
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|     //Send Burst End Cmd
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|     IT8951MemBurstEnd(); //the same with IT8951MemBurstEnd()
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| }
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| 
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| //-----------------------------------------------------------
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| //Host Cmd 10---LD_IMG
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| //-----------------------------------------------------------
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| void IT8951LoadImgStart(IT8951LdImgInfo* pstLdImgInfo)
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| {
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|     uint16_t usArg;
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|     //Setting Argument for Load image start
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|     usArg = (pstLdImgInfo->usEndianType << 8 )
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|     |(pstLdImgInfo->usPixelFormat << 4)
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|     |(pstLdImgInfo->usRotate);
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|     //Send Cmd
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|     LCDWriteCmdCode(IT8951_TCON_LD_IMG);
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|     //Send Arg
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|     LCDWriteData(usArg);
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| }
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| //-----------------------------------------------------------
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| //Host Cmd 11---LD_IMG_AREA
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| //-----------------------------------------------------------
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| void IT8951LoadImgAreaStart(IT8951LdImgInfo* pstLdImgInfo ,IT8951AreaImgInfo* pstAreaImgInfo)
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| {
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|     uint16_t usArg[5];
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|     //Setting Argument for Load image start
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|     usArg[0] = (pstLdImgInfo->usEndianType << 8 )
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|     |(pstLdImgInfo->usPixelFormat << 4)
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|     |(pstLdImgInfo->usRotate);
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|     usArg[1] = pstAreaImgInfo->usX;
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|     usArg[2] = pstAreaImgInfo->usY;
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|     usArg[3] = pstAreaImgInfo->usWidth;
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|     usArg[4] = pstAreaImgInfo->usHeight;
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|     //Send Cmd and Args
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|     LCDSendCmdArg(IT8951_TCON_LD_IMG_AREA , usArg , 5);
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| }
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| //-----------------------------------------------------------
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| //Host Cmd 12---LD_IMG_END
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| //-----------------------------------------------------------
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| void IT8951LoadImgEnd(void)
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| {
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|     LCDWriteCmdCode(IT8951_TCON_LD_IMG_END);
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| }
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| 
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| void GetIT8951SystemInfo(void* pBuf)
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| {
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| 	uint16_t* pusWord = (uint16_t*)pBuf;
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| 	IT8951DevInfo* pstDevInfo;
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| 
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| 	//Send I80 CMD
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| 	LCDWriteCmdCode(USDEF_I80_CMD_GET_DEV_INFO);
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|  
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| 	//Burst Read Request for SPI interface only
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| 	LCDReadNData(pusWord, sizeof(IT8951DevInfo)/2);//Polling HRDY for each words(2-bytes) if possible
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| 	
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| 	//Show Device information of IT8951
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| 	pstDevInfo = (IT8951DevInfo*)pBuf;
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| 	printf("Panel(W,H) = (%d,%d)\r\n",
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| 	pstDevInfo->usPanelW, pstDevInfo->usPanelH );
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| 	printf("Image Buffer Address = %X\r\n",
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| 	pstDevInfo->usImgBufAddrL | (pstDevInfo->usImgBufAddrH << 16));
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| 	//Show Firmware and LUT Version
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| 	printf("FW Version = %s\r\n", (uint8_t*)pstDevInfo->usFWVersion);
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| 	printf("LUT Version = %s\r\n", (uint8_t*)pstDevInfo->usLUTVersion);
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| }
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| 
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| //-----------------------------------------------------------
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| //Initial function 2---Set Image buffer base address
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| //-----------------------------------------------------------
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| void IT8951SetImgBufBaseAddr(uint32_t ulImgBufAddr)
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| {
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| 	uint16_t usWordH = (uint16_t)((ulImgBufAddr >> 16) & 0x0000FFFF);
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| 	uint16_t usWordL = (uint16_t)( ulImgBufAddr & 0x0000FFFF);
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| 	//Write LISAR Reg
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| 	IT8951WriteReg(LISAR + 2 ,usWordH);
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| 	IT8951WriteReg(LISAR ,usWordL);
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| }
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| 
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| //-----------------------------------------------------------
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| // 3.6. Display Functions
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| //-----------------------------------------------------------
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| 
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| //-----------------------------------------------------------
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| //Display function 1---Wait for LUT Engine Finish
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| //                     Polling Display Engine Ready by LUTNo
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| //-----------------------------------------------------------
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| void IT8951WaitForDisplayReady()
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| {
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| 	//Check IT8951 Register LUTAFSR => NonZero Busy, 0 - Free
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| 	while(IT8951ReadReg(LUTAFSR));
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| }
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| 
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| //-----------------------------------------------------------
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| //Display function 2---Load Image Area process
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| //-----------------------------------------------------------
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| void IT8951HostAreaPackedPixelWrite(IT8951LdImgInfo* pstLdImgInfo,IT8951AreaImgInfo* pstAreaImgInfo)
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| {
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| 	uint32_t i,j;
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| 	//Source buffer address of Host
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| 	uint16_t* pusFrameBuf = (uint16_t*)pstLdImgInfo->ulStartFBAddr;
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| 
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| 	//Set Image buffer(IT8951) Base address
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| 	IT8951SetImgBufBaseAddr(pstLdImgInfo->ulImgBufBaseAddr);
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| 	//Send Load Image start Cmd
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| 	IT8951LoadImgAreaStart(pstLdImgInfo , pstAreaImgInfo);
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| 	//Host Write Data
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| 	for(j=0;j< pstAreaImgInfo->usHeight;j++)
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| 	{
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| 		 for(i=0;i< pstAreaImgInfo->usWidth/2;i++)
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| 			{
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| 					//Write a Word(2-Bytes) for each time
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| 					LCDWriteData(*pusFrameBuf);
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| 					pusFrameBuf++;
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| 			}
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| 	}
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| 	//Send Load Img End Command
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| 	IT8951LoadImgEnd();
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| }
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| 
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| //-----------------------------------------------------------
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| //Display functions 3---Application for Display panel Area
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| //-----------------------------------------------------------
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| void IT8951DisplayArea(uint16_t usX, uint16_t usY, uint16_t usW, uint16_t usH, uint16_t usDpyMode)
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| {
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| 	//Send I80 Display Command (User defined command of IT8951)
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| 	LCDWriteCmdCode(USDEF_I80_CMD_DPY_AREA); //0x0034
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| 	//Write arguments
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| 	LCDWriteData(usX);
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| 	LCDWriteData(usY);
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| 	LCDWriteData(usW);
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| 	LCDWriteData(usH);
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| 	LCDWriteData(usDpyMode);
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| }
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| 
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| //Display Area with bitmap on EPD
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| //-----------------------------------------------------------
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| // Display Function 4---for Display Area for 1-bpp mode format
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| //   the bitmap(1bpp) mode will be enable when Display
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| //   and restore to Default setting (disable) after displaying finished
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| //-----------------------------------------------------------
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| void IT8951DisplayArea1bpp(uint16_t usX, uint16_t usY, uint16_t usW, uint16_t usH, uint16_t usDpyMode, uint8_t ucBGGrayVal, uint8_t ucFGGrayVal)
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| {
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|     //Set Display mode to 1 bpp mode - Set 0x18001138 Bit[18](0x1800113A Bit[2])to 1
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|     IT8951WriteReg(UP1SR+2, IT8951ReadReg(UP1SR+2) | (1<<2));
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|     
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|     //Set BitMap color table 0 and 1 , => Set Register[0x18001250]:
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|     //Bit[7:0]: ForeGround Color(G0~G15)  for 1
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|     //Bit[15:8]:Background Color(G0~G15)  for 0
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|     IT8951WriteReg(BGVR, (ucBGGrayVal<<8) | ucFGGrayVal);
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|     
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|     //Display
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|     IT8951DisplayArea( usX, usY, usW, usH, usDpyMode);
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|     IT8951WaitForDisplayReady();
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|     
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|     //Restore to normal mode
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|     IT8951WriteReg(UP1SR+2, IT8951ReadReg(UP1SR+2) & ~(1<<2));
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| }
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| 
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| //-------------------------------------------------------------------------------------------------------------
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| // 	Command - 0x0037 for Display Base addr by User 
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| //  uint32_t ulDpyBufAddr - Host programmer need to indicate the Image buffer address of IT8951
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| //                                         In current case, there is only one image buffer in IT8951 so far.
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| //                                         So Please set the Image buffer address you got  in initial stage.
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| //                                         (gulImgBufAddr by Get device information 0x0302 command)
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| //
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| //-------------------------------------------------------------------------------------------------------------
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| void IT8951DisplayAreaBuf(uint16_t usX, uint16_t usY, uint16_t usW, uint16_t usH, uint16_t usDpyMode, uint32_t ulDpyBufAddr)
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| {
 | ||
|     //Send I80 Display Command (User defined command of IT8951)
 | ||
|     LCDWriteCmdCode(USDEF_I80_CMD_DPY_BUF_AREA); //0x0037
 | ||
|     
 | ||
|     //Write arguments
 | ||
|     LCDWriteData(usX);
 | ||
|     LCDWriteData(usY);
 | ||
|     LCDWriteData(usW);
 | ||
|     LCDWriteData(usH);
 | ||
|     LCDWriteData(usDpyMode);
 | ||
|     LCDWriteData((uint16_t)ulDpyBufAddr);       //Display Buffer Base address[15:0]
 | ||
|     LCDWriteData((uint16_t)(ulDpyBufAddr>>16)); //Display Buffer Base address[26:16]
 | ||
| }
 | ||
| 
 | ||
| //-----------------------------------------------------------
 | ||
| //Test function 1---Software Initial
 | ||
| //-----------------------------------------------------------
 | ||
| uint8_t IT8951_Init()
 | ||
| {
 | ||
| 	if (!bcm2835_init()) 
 | ||
| 	{
 | ||
| 		printf("bcm2835_init error \n");
 | ||
| 		return 1;
 | ||
| 	}
 | ||
| 	
 | ||
| 	bcm2835_spi_begin();
 | ||
| 	bcm2835_spi_setBitOrder(BCM2835_SPI_BIT_ORDER_MSBFIRST);   	//default
 | ||
| 	bcm2835_spi_setDataMode(BCM2835_SPI_MODE0);               		//default
 | ||
| 	bcm2835_spi_setClockDivider(BCM2835_SPI_CLOCK_DIVIDER_32);		//default
 | ||
| 	
 | ||
| 	bcm2835_gpio_fsel(CS, BCM2835_GPIO_FSEL_OUTP);  
 | ||
| 	bcm2835_gpio_fsel(HRDY, BCM2835_GPIO_FSEL_INPT);
 | ||
| 	bcm2835_gpio_fsel(RESET, BCM2835_GPIO_FSEL_OUTP);
 | ||
| 	
 | ||
| 	bcm2835_gpio_write(CS, HIGH);
 | ||
| 
 | ||
| 	printf("****** IT8951 ******\n");
 | ||
| 	
 | ||
| 	bcm2835_gpio_write(RESET, LOW);
 | ||
| 	bcm2835_delay(100);
 | ||
| 	bcm2835_gpio_write(RESET, HIGH);
 | ||
| 
 | ||
| 	//Get Device Info
 | ||
| 	GetIT8951SystemInfo(&gstI80DevInfo);
 | ||
| 	
 | ||
| 	gpFrameBuf = malloc(gstI80DevInfo.usPanelW * gstI80DevInfo.usPanelH);
 | ||
| 	if (!gpFrameBuf)
 | ||
| 	{
 | ||
| 		perror("malloc error!\n");
 | ||
| 		return 1;
 | ||
| 	}
 | ||
| 	
 | ||
|  	gulImgBufAddr = gstI80DevInfo.usImgBufAddrL | (gstI80DevInfo.usImgBufAddrH << 16);
 | ||
|  	
 | ||
|  	//Set to Enable I80 Packed mode
 | ||
|  	IT8951WriteReg(I80CPCR, 0x0001);
 | ||
| 
 | ||
| 	return 0;
 | ||
| }
 | ||
| 
 | ||
| void IT8951_Cancel()
 | ||
| {
 | ||
| 	free(gpFrameBuf);
 | ||
| 
 | ||
| 	bcm2835_spi_end();
 | ||
| 	bcm2835_close();
 | ||
| }
 | ||
| 
 | ||
| 
 | ||
| //-----------------------------------------------------------
 | ||
| //Test function 2---Example of Display Flow
 | ||
| //-----------------------------------------------------------
 | ||
| void IT8951DisplayExample()
 | ||
| {
 | ||
| 	IT8951LdImgInfo stLdImgInfo;
 | ||
| 	IT8951AreaImgInfo stAreaImgInfo;
 | ||
| 	
 | ||
| 	//Prepare image
 | ||
| 	//Write pixel 0xF0(White) to Frame Buffer
 | ||
|  	memset(gpFrameBuf, 0xF0, gstI80DevInfo.usPanelW * gstI80DevInfo.usPanelH);
 | ||
| 	
 | ||
|  	//Check TCon is free ? Wait TCon Ready (optional)
 | ||
|  	IT8951WaitForDisplayReady();
 | ||
|  	
 | ||
|  	//--------------------------------------------------------------------------------------------
 | ||
|  	//      initial display - Display white only
 | ||
|  	//--------------------------------------------------------------------------------------------
 | ||
|  	//Load Image and Display
 | ||
|  	//Setting Load image information
 | ||
|  	stLdImgInfo.ulStartFBAddr    = (uint32_t)gpFrameBuf;
 | ||
|  	stLdImgInfo.usEndianType     = IT8951_LDIMG_L_ENDIAN;
 | ||
|  	stLdImgInfo.usPixelFormat    = IT8951_8BPP;
 | ||
|  	stLdImgInfo.usRotate         = IT8951_ROTATE_0;
 | ||
|  	stLdImgInfo.ulImgBufBaseAddr = gulImgBufAddr;
 | ||
|  	//Set Load Area
 | ||
|  	stAreaImgInfo.usX      = 0;
 | ||
|  	stAreaImgInfo.usY      = 0;
 | ||
|  	stAreaImgInfo.usWidth  = gstI80DevInfo.usPanelW;
 | ||
|  	stAreaImgInfo.usHeight = gstI80DevInfo.usPanelH;
 | ||
|  	
 | ||
|  	//Load Image from Host to IT8951 Image Buffer
 | ||
|  	IT8951HostAreaPackedPixelWrite(&stLdImgInfo, &stAreaImgInfo);//Display function 2
 | ||
|  	//Display Area ?V (x,y,w,h) with mode 0 for initial White to clear Panel
 | ||
|  	IT8951DisplayArea(0,0, gstI80DevInfo.usPanelW, gstI80DevInfo.usPanelH, 0);
 | ||
|  	
 | ||
|  	//--------------------------------------------------------------------------------------------
 | ||
|  	//      Regular display - Display Any Gray colors with Mode 2 or others
 | ||
|  	//--------------------------------------------------------------------------------------------
 | ||
|  	//Preparing buffer to All black (8 bpp image)
 | ||
|  	//or you can create your image pattern here..
 | ||
|  	memset(gpFrameBuf, 0x00, gstI80DevInfo.usPanelW * gstI80DevInfo.usPanelH);
 | ||
|  	 
 | ||
|  	IT8951WaitForDisplayReady();
 | ||
|  	
 | ||
|  	//Setting Load image information
 | ||
|  	stLdImgInfo.ulStartFBAddr    = (uint32_t)gpFrameBuf;
 | ||
|  	stLdImgInfo.usEndianType     = IT8951_LDIMG_L_ENDIAN;
 | ||
|  	stLdImgInfo.usPixelFormat    = IT8951_8BPP; 
 | ||
|  	stLdImgInfo.usRotate         = IT8951_ROTATE_0;
 | ||
|  	stLdImgInfo.ulImgBufBaseAddr = gulImgBufAddr;
 | ||
|  	//Set Load Area
 | ||
|  	stAreaImgInfo.usX      = 0;
 | ||
|  	stAreaImgInfo.usY      = 0;
 | ||
|  	stAreaImgInfo.usWidth  = gstI80DevInfo.usPanelW;
 | ||
|  	stAreaImgInfo.usHeight = gstI80DevInfo.usPanelH;
 | ||
|  	
 | ||
|  	//Load Image from Host to IT8951 Image Buffer
 | ||
|  	IT8951HostAreaPackedPixelWrite(&stLdImgInfo, &stAreaImgInfo);//Display function 2
 | ||
|  	//Display Area ?V (x,y,w,h) with mode 2 for fast gray clear mode - depends on current waveform 
 | ||
|  	IT8951DisplayArea(0,0, gstI80DevInfo.usPanelW, gstI80DevInfo.usPanelH, 2);
 | ||
| }
 | ||
| 
 | ||
| void IT8951DisplayExample2()
 | ||
| {
 | ||
| 	IT8951LdImgInfo stLdImgInfo;
 | ||
| 	IT8951AreaImgInfo stAreaImgInfo;
 | ||
| 	
 | ||
| 	//--------------------------------------------------------------------------------------------
 | ||
| 	//      Regular display - Display Any Gray colors with Mode 2 or others
 | ||
| 	//--------------------------------------------------------------------------------------------
 | ||
| 	//Preparing buffer to All black (8 bpp image)
 | ||
| 	//or you can create your image pattern here..
 | ||
| 	memset(gpFrameBuf              , 0x00, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 1, 0x11, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 2, 0x22, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 3, 0x33, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 4, 0x44, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 5, 0x55, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 6, 0x66, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 7, 0x77, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 8, 0x88, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 9, 0x99, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 10, 0xaa, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 11, 0xbb, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 12, 0xcc, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 13, 0xdd, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 14, 0xee, 1200 * 51 * 1);
 | ||
| 	memset(gpFrameBuf+1200 * 51 * 15, 0xff, (1200*825)-(1200 * 51 * 15));
 | ||
| 	IT8951WaitForDisplayReady();
 | ||
| 	//Setting Load image information
 | ||
| 	stLdImgInfo.ulStartFBAddr    = (uint32_t)gpFrameBuf;
 | ||
| 	stLdImgInfo.usEndianType     = IT8951_LDIMG_L_ENDIAN;
 | ||
| 	stLdImgInfo.usPixelFormat    = IT8951_8BPP; 
 | ||
| 	stLdImgInfo.usRotate         = IT8951_ROTATE_0;
 | ||
| 	stLdImgInfo.ulImgBufBaseAddr = gulImgBufAddr;
 | ||
| 	//Set Load Area
 | ||
| 	stAreaImgInfo.usX      = 0;
 | ||
| 	stAreaImgInfo.usY      = 0;
 | ||
| 	stAreaImgInfo.usWidth  = gstI80DevInfo.usPanelW;
 | ||
| 	stAreaImgInfo.usHeight = gstI80DevInfo.usPanelH;
 | ||
| 	//Load Image from Host to IT8951 Image Buffer
 | ||
| 	IT8951HostAreaPackedPixelWrite(&stLdImgInfo, &stAreaImgInfo);//Display function 2
 | ||
| 	//Display Area ?V (x,y,w,h) with mode 2 for fast gray clear mode - depends on current waveform 
 | ||
| 	IT8951DisplayArea(0,0, gstI80DevInfo.usPanelW, gstI80DevInfo.usPanelH, 2);
 | ||
| }
 | ||
| /*
 | ||
| extern const unsigned char pic[];
 | ||
| void IT8951DisplayExample3()
 | ||
| {
 | ||
| 	IT8951LdImgInfo stLdImgInfo;
 | ||
| 	IT8951AreaImgInfo stAreaImgInfo;
 | ||
| 	uint32_t i;
 | ||
| 	
 | ||
| 	for (i = 0;i < 1200*825;i++)
 | ||
| 	{
 | ||
| 		gpFrameBuf[i] = pic[i];
 | ||
| 	}
 | ||
| 
 | ||
| 	IT8951WaitForDisplayReady();
 | ||
| 	
 | ||
| 	//Setting Load image information
 | ||
| 	stLdImgInfo.ulStartFBAddr    = (uint32_t)gpFrameBuf;
 | ||
| 	stLdImgInfo.usEndianType     = IT8951_LDIMG_L_ENDIAN;
 | ||
| 	stLdImgInfo.usPixelFormat    = IT8951_8BPP; 
 | ||
| 	stLdImgInfo.usRotate         = IT8951_ROTATE_0;
 | ||
| 	stLdImgInfo.ulImgBufBaseAddr = gulImgBufAddr;
 | ||
| 	//Set Load Area
 | ||
| 	stAreaImgInfo.usX      = 0;
 | ||
| 	stAreaImgInfo.usY      = 0;
 | ||
| 	stAreaImgInfo.usWidth  = 1200;
 | ||
| 	stAreaImgInfo.usHeight = 825;
 | ||
| 	
 | ||
| 	//Load Image from Host to IT8951 Image Buffer
 | ||
| 	IT8951HostAreaPackedPixelWrite(&stLdImgInfo, &stAreaImgInfo);//Display function 2
 | ||
| 	//Display Area ?V (x,y,w,h) with mode 2 for fast gray clear mode - depends on current waveform 
 | ||
| 	IT8951DisplayArea(0,0, gstI80DevInfo.usPanelW, gstI80DevInfo.usPanelH, 2);
 | ||
| }
 | ||
| */
 | ||
| 
 | ||
| extern uint16_t bmp01[];
 | ||
| 
 | ||
| void IT8951_GUI_Example()
 | ||
| {
 | ||
| 	IT8951LdImgInfo stLdImgInfo;
 | ||
| 	IT8951AreaImgInfo stAreaImgInfo;
 | ||
| 	Point point[5];
 | ||
| 	
 | ||
| 	//memset(gpFrameBuf, 0xff, gstI80DevInfo.usPanelW * gstI80DevInfo.usPanelH);
 | ||
| 	EPD_Clear(0xff);
 | ||
| 
 | ||
| 	EPD_DrawLine(100,100,200,200,0x40);
 | ||
| 	EPD_DrawLine(200,200,400,200,0x40);
 | ||
| 	EPD_DrawLine(400,200,400,400,0x40);
 | ||
| 	EPD_DrawLine(400,400,600,400,0x40);
 | ||
| 	EPD_DrawLine(600,600,800,800,0x40);
 | ||
| 
 | ||
| 	EPD_DrawLine(0,0,99,99,0x10);
 | ||
| 	EPD_DrawLine(801,801,1200,825,0x00);
 | ||
| 
 | ||
| 	EPD_DrawRect(500, 500, 100, 100, 0x00);
 | ||
| 
 | ||
| 	EPD_DrawCircle(700, 500, 100, 0x00);
 | ||
| 
 | ||
| 	point[0].X = 30;
 | ||
| 	point[0].Y = 40;
 | ||
| 	
 | ||
| 	point[1].X = 40;
 | ||
| 	point[1].Y = 70;
 | ||
| 
 | ||
| 	point[2].X = 50;
 | ||
| 	point[2].Y = 90;
 | ||
| 
 | ||
| 	point[3].X = 90;
 | ||
| 	point[3].Y = 60;
 | ||
| 
 | ||
| 	point[4].X = 70;
 | ||
| 	point[4].Y = 20;
 | ||
| 
 | ||
| 	EPD_DrawPolygon(point,5,0x00);
 | ||
| 
 | ||
| 	EPD_DrawEllipse(800, 300, 100, 50, 0x00);
 | ||
| 
 | ||
| 	EPD_FillRect(300, 500, 100, 50, 0x00);
 | ||
| 		
 | ||
| 	EPD_FillCircle(100, 500, 70,0x00);
 | ||
| 
 | ||
| 
 | ||
| 	EPD_Text(400,100, (uint8_t*)"hello world",0x00, 0xff);
 | ||
| 	EPD_Text(400,200, (uint8_t*)"yang weibiao",0x00, 0xff);
 | ||
|  
 | ||
| 
 | ||
| //	EPD_DrawBitmap(0,0,bmp01);
 | ||
| 
 | ||
| 	//EPD_DrawMatrix(1,1,550,412,bmp01);
 | ||
| 	EPD_DrawMatrix(100,100,550,412,bmp01);
 | ||
| 
 | ||
| 
 | ||
| 	//<2F><>ʾͼ<CABE><CDBC>
 | ||
| 	//Show_bmp("16.bmp");
 | ||
| 
 | ||
| 	
 | ||
| 	IT8951WaitForDisplayReady();
 | ||
| 	
 | ||
| 	//Setting Load image information
 | ||
| 	stLdImgInfo.ulStartFBAddr    = (uint32_t)gpFrameBuf;
 | ||
| 	stLdImgInfo.usEndianType     = IT8951_LDIMG_L_ENDIAN;
 | ||
| 	stLdImgInfo.usPixelFormat    = IT8951_8BPP; 
 | ||
| 	stLdImgInfo.usRotate         = IT8951_ROTATE_0;
 | ||
| 	stLdImgInfo.ulImgBufBaseAddr = gulImgBufAddr;
 | ||
| 	//Set Load Area
 | ||
| 	stAreaImgInfo.usX      = 0;
 | ||
| 	stAreaImgInfo.usY      = 0;
 | ||
| 	stAreaImgInfo.usWidth  = 1200;
 | ||
| 	stAreaImgInfo.usHeight = 825;
 | ||
| 	
 | ||
| 	//Load Image from Host to IT8951 Image Buffer
 | ||
| 	IT8951HostAreaPackedPixelWrite(&stLdImgInfo, &stAreaImgInfo);//Display function 2
 | ||
| 	//Display Area ?V (x,y,w,h) with mode 2 for fast gray clear mode - depends on current waveform 
 | ||
| 	IT8951DisplayArea(0,0, gstI80DevInfo.usPanelW, gstI80DevInfo.usPanelH, 2);
 | ||
| }
 | ||
| 
 | ||
| void IT8951_BMP_Example(uint32_t x, uint32_t y,char *path)
 | ||
| {
 | ||
| 	IT8951LdImgInfo stLdImgInfo;
 | ||
| 	IT8951AreaImgInfo stAreaImgInfo;
 | ||
| 	
 | ||
| 	EPD_Clear(0xff);
 | ||
| 	
 | ||
| 	//<2F><>ʾͼ<CABE><CDBC>
 | ||
| 	Show_bmp(x,y,path);
 | ||
| 
 | ||
| 	
 | ||
| 	IT8951WaitForDisplayReady();
 | ||
| 	
 | ||
| 	//Setting Load image information
 | ||
| 	stLdImgInfo.ulStartFBAddr    = (uint32_t)gpFrameBuf;
 | ||
| 	stLdImgInfo.usEndianType     = IT8951_LDIMG_L_ENDIAN;
 | ||
| 	stLdImgInfo.usPixelFormat    = IT8951_8BPP; 
 | ||
| 	stLdImgInfo.usRotate         = IT8951_ROTATE_0;
 | ||
| 	stLdImgInfo.ulImgBufBaseAddr = gulImgBufAddr;
 | ||
| 	//Set Load Area
 | ||
| 	stAreaImgInfo.usX      = 0;
 | ||
| 	stAreaImgInfo.usY      = 0;
 | ||
| 	stAreaImgInfo.usWidth  = 1200;
 | ||
| 	stAreaImgInfo.usHeight = 825;
 | ||
| 	
 | ||
| 	//Load Image from Host to IT8951 Image Buffer
 | ||
| 	IT8951HostAreaPackedPixelWrite(&stLdImgInfo, &stAreaImgInfo);//Display function 2
 | ||
| 	//Display Area ?V (x,y,w,h) with mode 2 for fast gray clear mode - depends on current waveform 
 | ||
| 	IT8951DisplayArea(0,0, gstI80DevInfo.usPanelW, gstI80DevInfo.usPanelH, 2);
 | ||
| }
 | ||
| 
 | ||
| //-----------------------------------------------------------
 | ||
| // Load 1bpp image flow (must display with IT8951DisplayArea1bpp()
 | ||
| //-----------------------------------------------------------
 | ||
| 
 | ||
| void IT8951Load1bppImage(uint8_t* p1bppImgBuf, uint16_t usX, uint16_t usY, uint16_t usW, uint16_t usH)
 | ||
| {
 | ||
|     IT8951LdImgInfo stLdImgInfo;
 | ||
|     IT8951AreaImgInfo stAreaImgInfo;
 | ||
| 	
 | ||
|     //Setting Load image information
 | ||
|     stLdImgInfo.ulStartFBAddr    = (uint32_t) p1bppImgBuf;
 | ||
|     stLdImgInfo.usEndianType     = IT8951_LDIMG_L_ENDIAN;
 | ||
|     stLdImgInfo.usPixelFormat    = IT8951_8BPP; //we use 8bpp because IT8951 dose not support 1bpp mode for load image?Aso we use Load 8bpp mode ,but the transfer size needs to be reduced to Size/8
 | ||
|     stLdImgInfo.usRotate         = IT8951_ROTATE_0;
 | ||
|     stLdImgInfo.ulImgBufBaseAddr = gulImgBufAddr;
 | ||
|     //Set Load Area
 | ||
|     stAreaImgInfo.usX      = usX/8;
 | ||
|     stAreaImgInfo.usY      = usY;
 | ||
|     stAreaImgInfo.usWidth  = usW/8;//1bpp, Chaning Transfer size setting to 1/8X of 8bpp mode 
 | ||
|     stAreaImgInfo.usHeight = usH;
 | ||
|     printf("IT8951HostAreaPackedPixelWrite [wait]\n\r");
 | ||
|     //Load Image from Host to IT8951 Image Buffer
 | ||
|     IT8951HostAreaPackedPixelWrite(&stLdImgInfo, &stAreaImgInfo);//Display function 2
 | ||
| }
 | ||
| 
 | ||
| //-----------------------------------------------------------
 | ||
| //Test function 3---Example of Display 1bpp Flow
 | ||
| //-----------------------------------------------------------
 | ||
| void IT8951Display1bppExample()
 | ||
| {
 | ||
|     IT8951AreaImgInfo stAreaImgInfo;
 | ||
|     
 | ||
|     //Prepare image
 | ||
|     //Write pixel 0x00(Black) to Frame Buffer
 | ||
|     //or you can create your image pattern here..
 | ||
|      memset(gpFrameBuf, 0x00, (gstI80DevInfo.usPanelW * gstI80DevInfo.usPanelH)/8);//Host Frame Buffer(Source)
 | ||
|      
 | ||
|      //Check TCon is free ? Wait TCon Ready (optional)
 | ||
|      IT8951WaitForDisplayReady();
 | ||
|      
 | ||
|      //Load Image and Display
 | ||
|      //Set Load Area
 | ||
|      stAreaImgInfo.usX      = 0;
 | ||
|      stAreaImgInfo.usY      = 0;
 | ||
|      stAreaImgInfo.usWidth  = gstI80DevInfo.usPanelW;
 | ||
|      stAreaImgInfo.usHeight = gstI80DevInfo.usPanelH;
 | ||
|      //Load Image from Host to IT8951 Image Buffer
 | ||
|      IT8951Load1bppImage(gpFrameBuf, stAreaImgInfo.usX, stAreaImgInfo.usY, stAreaImgInfo.usWidth, stAreaImgInfo.usHeight);//Display function 4, Arg
 | ||
|      
 | ||
|      //Display Area - (x,y,w,h) with mode 2 for Gray Scale
 | ||
|      //e.g. if we want to set b0(Background color) for Black-0x00 , Set b1(Foreground) for White-0xFF
 | ||
|      IT8951DisplayArea1bpp(0,0, gstI80DevInfo.usPanelW, gstI80DevInfo.usPanelH, 0, 0x00, 0xFF);
 | ||
| }
 | ||
| 
 | ||
| void IT8951Display1bppExample2()
 | ||
| {
 | ||
|     IT8951AreaImgInfo stAreaImgInfo;
 | ||
|     
 | ||
|     //Prepare image
 | ||
|     //Write pixel 0x00(Black) to Frame Buffer
 | ||
|     //or you can create your image pattern here..
 | ||
|     memset(gpFrameBuf, 0xff, (gstI80DevInfo.usPanelW * gstI80DevInfo.usPanelH)/8);//Host Frame Buffer(Source)
 | ||
|     
 | ||
|     //Check TCon is free ? Wait TCon Ready (optional)
 | ||
|     IT8951WaitForDisplayReady();
 | ||
|     
 | ||
|     //Load Image and Display
 | ||
|     //Set Load Area
 | ||
|     stAreaImgInfo.usX      = 0;
 | ||
|     stAreaImgInfo.usY      = 0;
 | ||
|     stAreaImgInfo.usWidth  = gstI80DevInfo.usPanelW;
 | ||
|     stAreaImgInfo.usHeight = gstI80DevInfo.usPanelH;
 | ||
|     //Load Image from Host to IT8951 Image Buffer
 | ||
|     IT8951Load1bppImage(gpFrameBuf, stAreaImgInfo.usX, stAreaImgInfo.usY, stAreaImgInfo.usWidth, stAreaImgInfo.usHeight);//Display function 4, Arg
 | ||
|     
 | ||
|     //Display Area - (x,y,w,h) with mode 2 for Gray Scale
 | ||
|     //e.g. if we want to set b0(Background color) for Black-0x00 , Set b1(Foreground) for White-0xFF
 | ||
|     IT8951DisplayArea1bpp(0,0, gstI80DevInfo.usPanelW, gstI80DevInfo.usPanelH, 0, 0x00, 0xFF);
 | ||
| }
 | ||
| 
 |