898 lines
29 KiB
C
898 lines
29 KiB
C
|
#include "IT8951.h"
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
extern IT8951DevInfo gstI80DevInfo;
|
|||
|
|
extern uint8_t* gpFrameBuf; //Host Source Frame buffer
|
|||
|
|
extern uint32_t gulImgBufAddr; //IT8951 Image buffer address
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
//Global varivale
|
|||
|
|
IT8951DevInfo gstI80DevInfo;
|
|||
|
|
uint8_t* gpFrameBuf; //Host Source Frame buffer
|
|||
|
|
uint32_t gulImgBufAddr; //IT8951 Image buffer address
|
|||
|
|
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host controller function 1---Wait for host data Bus Ready
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void LCDWaitForReady()
|
|||
|
|
{
|
|||
|
|
uint8_t ulData = bcm2835_gpio_lev(HRDY);
|
|||
|
|
while(ulData == 0)
|
|||
|
|
{
|
|||
|
|
ulData = bcm2835_gpio_lev(HRDY);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host controller function 2---Write command code to host data Bus
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void LCDWriteCmdCode(uint16_t usCmdCode)
|
|||
|
|
{
|
|||
|
|
//Set Preamble for Write Command
|
|||
|
|
uint16_t wPreamble = 0x6000;
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
bcm2835_gpio_write(CS,LOW);
|
|||
|
|
|
|||
|
|
bcm2835_spi_transfer(wPreamble>>8);
|
|||
|
|
bcm2835_spi_transfer(wPreamble);
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
bcm2835_spi_transfer(usCmdCode>>8);
|
|||
|
|
bcm2835_spi_transfer(usCmdCode);
|
|||
|
|
|
|||
|
|
bcm2835_gpio_write(CS,HIGH);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host controller function 3---Write Data to host data Bus
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void LCDWriteData(uint16_t usData)
|
|||
|
|
{
|
|||
|
|
//Set Preamble for Write Data
|
|||
|
|
uint16_t wPreamble = 0x0000;
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
bcm2835_gpio_write(CS,LOW);
|
|||
|
|
|
|||
|
|
bcm2835_spi_transfer(wPreamble>>8);
|
|||
|
|
bcm2835_spi_transfer(wPreamble);
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
bcm2835_spi_transfer(usData>>8);
|
|||
|
|
bcm2835_spi_transfer(usData);
|
|||
|
|
|
|||
|
|
bcm2835_gpio_write(CS,HIGH);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void LCDWriteNData(uint16_t* pwBuf, uint32_t ulSizeWordCnt)
|
|||
|
|
{
|
|||
|
|
uint32_t i;
|
|||
|
|
|
|||
|
|
uint16_t wPreamble = 0x0000;
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
bcm2835_gpio_write(CS,LOW);
|
|||
|
|
|
|||
|
|
bcm2835_spi_transfer(wPreamble>>8);
|
|||
|
|
bcm2835_spi_transfer(wPreamble);
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
for(i=0;i<ulSizeWordCnt;i++)
|
|||
|
|
{
|
|||
|
|
bcm2835_spi_transfer(pwBuf[i]>>8);
|
|||
|
|
bcm2835_spi_transfer(pwBuf[i]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bcm2835_gpio_write(CS,HIGH);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host controller function 4---Read Data from host data Bus
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
uint16_t LCDReadData()
|
|||
|
|
{
|
|||
|
|
uint16_t wRData;
|
|||
|
|
|
|||
|
|
uint16_t wPreamble = 0x1000;
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
bcm2835_gpio_write(CS,LOW);
|
|||
|
|
|
|||
|
|
bcm2835_spi_transfer(wPreamble>>8);
|
|||
|
|
bcm2835_spi_transfer(wPreamble);
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
wRData=bcm2835_spi_transfer(0x00);//dummy
|
|||
|
|
wRData=bcm2835_spi_transfer(0x00);//dummy
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
wRData = bcm2835_spi_transfer(0x00)<<8;
|
|||
|
|
wRData |= bcm2835_spi_transfer(0x00);
|
|||
|
|
|
|||
|
|
bcm2835_gpio_write(CS,HIGH);
|
|||
|
|
|
|||
|
|
return wRData;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
// Read Burst N words Data
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void LCDReadNData(uint16_t* pwBuf, uint32_t ulSizeWordCnt)
|
|||
|
|
{
|
|||
|
|
uint32_t i;
|
|||
|
|
|
|||
|
|
uint16_t wPreamble = 0x1000;
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
bcm2835_gpio_write(CS,LOW);
|
|||
|
|
|
|||
|
|
bcm2835_spi_transfer(wPreamble>>8);
|
|||
|
|
bcm2835_spi_transfer(wPreamble);
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
pwBuf[0]=bcm2835_spi_transfer(0x00);//dummy
|
|||
|
|
pwBuf[0]=bcm2835_spi_transfer(0x00);//dummy
|
|||
|
|
|
|||
|
|
LCDWaitForReady();
|
|||
|
|
|
|||
|
|
for(i=0;i<ulSizeWordCnt;i++)
|
|||
|
|
{
|
|||
|
|
pwBuf[i] = bcm2835_spi_transfer(0x00)<<8;
|
|||
|
|
pwBuf[i] |= bcm2835_spi_transfer(0x00);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bcm2835_gpio_write(CS,HIGH);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host controller function 5---Write command to host data Bus with aruments
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void LCDSendCmdArg(uint16_t usCmdCode,uint16_t* pArg, uint16_t usNumArg)
|
|||
|
|
{
|
|||
|
|
uint16_t i;
|
|||
|
|
//Send Cmd code
|
|||
|
|
LCDWriteCmdCode(usCmdCode);
|
|||
|
|
//Send Data
|
|||
|
|
for(i=0;i<usNumArg;i++)
|
|||
|
|
{
|
|||
|
|
LCDWriteData(pArg[i]);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 1---SYS_RUN
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951SystemRun()
|
|||
|
|
{
|
|||
|
|
LCDWriteCmdCode(IT8951_TCON_SYS_RUN);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 2---STANDBY
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951StandBy()
|
|||
|
|
{
|
|||
|
|
LCDWriteCmdCode(IT8951_TCON_STANDBY);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 3---SLEEP
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951Sleep()
|
|||
|
|
{
|
|||
|
|
LCDWriteCmdCode(IT8951_TCON_SLEEP);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 4---REG_RD
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
uint16_t IT8951ReadReg(uint16_t usRegAddr)
|
|||
|
|
{
|
|||
|
|
uint16_t usData;
|
|||
|
|
|
|||
|
|
//Send Cmd and Register Address
|
|||
|
|
LCDWriteCmdCode(IT8951_TCON_REG_RD);
|
|||
|
|
LCDWriteData(usRegAddr);
|
|||
|
|
//Read data from Host Data bus
|
|||
|
|
usData = LCDReadData();
|
|||
|
|
return usData;
|
|||
|
|
}
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 5---REG_WR
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951WriteReg(uint16_t usRegAddr,uint16_t usValue)
|
|||
|
|
{
|
|||
|
|
//Send Cmd , Register Address and Write Value
|
|||
|
|
LCDWriteCmdCode(IT8951_TCON_REG_WR);
|
|||
|
|
LCDWriteData(usRegAddr);
|
|||
|
|
LCDWriteData(usValue);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 6---MEM_BST_RD_T
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951MemBurstReadTrigger(uint32_t ulMemAddr , uint32_t ulReadSize)
|
|||
|
|
{
|
|||
|
|
uint16_t usArg[4];
|
|||
|
|
//Setting Arguments for Memory Burst Read
|
|||
|
|
usArg[0] = (uint16_t)(ulMemAddr & 0x0000FFFF); //addr[15:0]
|
|||
|
|
usArg[1] = (uint16_t)( (ulMemAddr >> 16) & 0x0000FFFF ); //addr[25:16]
|
|||
|
|
usArg[2] = (uint16_t)(ulReadSize & 0x0000FFFF); //Cnt[15:0]
|
|||
|
|
usArg[3] = (uint16_t)( (ulReadSize >> 16) & 0x0000FFFF ); //Cnt[25:16]
|
|||
|
|
//Send Cmd and Arg
|
|||
|
|
LCDSendCmdArg(IT8951_TCON_MEM_BST_RD_T , usArg , 4);
|
|||
|
|
}
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 7---MEM_BST_RD_S
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951MemBurstReadStart()
|
|||
|
|
{
|
|||
|
|
LCDWriteCmdCode(IT8951_TCON_MEM_BST_RD_S);
|
|||
|
|
}
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 8---MEM_BST_WR
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951MemBurstWrite(uint32_t ulMemAddr , uint32_t ulWriteSize)
|
|||
|
|
{
|
|||
|
|
uint16_t usArg[4];
|
|||
|
|
//Setting Arguments for Memory Burst Write
|
|||
|
|
usArg[0] = (uint16_t)(ulMemAddr & 0x0000FFFF); //addr[15:0]
|
|||
|
|
usArg[1] = (uint16_t)( (ulMemAddr >> 16) & 0x0000FFFF ); //addr[25:16]
|
|||
|
|
usArg[2] = (uint16_t)(ulWriteSize & 0x0000FFFF); //Cnt[15:0]
|
|||
|
|
usArg[3] = (uint16_t)( (ulWriteSize >> 16) & 0x0000FFFF ); //Cnt[25:16]
|
|||
|
|
//Send Cmd and Arg
|
|||
|
|
LCDSendCmdArg(IT8951_TCON_MEM_BST_WR , usArg , 4);
|
|||
|
|
}
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 9---MEM_BST_END
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951MemBurstEnd(void)
|
|||
|
|
{
|
|||
|
|
LCDWriteCmdCode(IT8951_TCON_MEM_BST_END);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Example of Memory Burst Write
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
// ****************************************************************************************
|
|||
|
|
// Function name: IT8951MemBurstWriteProc( )
|
|||
|
|
//
|
|||
|
|
// Description:
|
|||
|
|
// IT8951 Burst Write procedure
|
|||
|
|
//
|
|||
|
|
// Arguments:
|
|||
|
|
// uint32_t ulMemAddr: IT8951 Memory Target Address
|
|||
|
|
// uint32_t ulWriteSize: Write Size (Unit: Word)
|
|||
|
|
// uint8_t* pDestBuf - Buffer of Sent data
|
|||
|
|
// Return Values:
|
|||
|
|
// NULL.
|
|||
|
|
// Note:
|
|||
|
|
//
|
|||
|
|
// ****************************************************************************************
|
|||
|
|
void IT8951MemBurstWriteProc(uint32_t ulMemAddr , uint32_t ulWriteSize, uint16_t* pSrcBuf )
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
uint32_t i;
|
|||
|
|
|
|||
|
|
//Send Burst Write Start Cmd and Args
|
|||
|
|
IT8951MemBurstWrite(ulMemAddr , ulWriteSize);
|
|||
|
|
|
|||
|
|
//Burst Write Data
|
|||
|
|
for(i=0;i<ulWriteSize;i++)
|
|||
|
|
{
|
|||
|
|
LCDWriteData(pSrcBuf[i]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//Send Burst End Cmd
|
|||
|
|
IT8951MemBurstEnd();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// ****************************************************************************************
|
|||
|
|
// Function name: IT8951MemBurstReadProc( )
|
|||
|
|
//
|
|||
|
|
// Description:
|
|||
|
|
// IT8951 Burst Read procedure
|
|||
|
|
//
|
|||
|
|
// Arguments:
|
|||
|
|
// uint32_t ulMemAddr: IT8951 Read Memory Address
|
|||
|
|
// uint32_t ulReadSize: Read Size (Unit: Word)
|
|||
|
|
// uint8_t* pDestBuf - Buffer for storing Read data
|
|||
|
|
// Return Values:
|
|||
|
|
// NULL.
|
|||
|
|
// Note:
|
|||
|
|
//
|
|||
|
|
// ****************************************************************************************
|
|||
|
|
void IT8951MemBurstReadProc(uint32_t ulMemAddr , uint32_t ulReadSize, uint16_t* pDestBuf )
|
|||
|
|
{
|
|||
|
|
//Send Burst Read Start Cmd and Args
|
|||
|
|
IT8951MemBurstReadTrigger(ulMemAddr , ulReadSize);
|
|||
|
|
|
|||
|
|
//Burst Read Fire
|
|||
|
|
IT8951MemBurstReadStart();
|
|||
|
|
|
|||
|
|
//Burst Read Request for SPI interface only
|
|||
|
|
LCDReadNData(pDestBuf, ulReadSize);
|
|||
|
|
|
|||
|
|
//Send Burst End Cmd
|
|||
|
|
IT8951MemBurstEnd(); //the same with IT8951MemBurstEnd()
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 10---LD_IMG
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951LoadImgStart(IT8951LdImgInfo* pstLdImgInfo)
|
|||
|
|
{
|
|||
|
|
uint16_t usArg;
|
|||
|
|
//Setting Argument for Load image start
|
|||
|
|
usArg = (pstLdImgInfo->usEndianType << 8 )
|
|||
|
|
|(pstLdImgInfo->usPixelFormat << 4)
|
|||
|
|
|(pstLdImgInfo->usRotate);
|
|||
|
|
//Send Cmd
|
|||
|
|
LCDWriteCmdCode(IT8951_TCON_LD_IMG);
|
|||
|
|
//Send Arg
|
|||
|
|
LCDWriteData(usArg);
|
|||
|
|
}
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 11---LD_IMG_AREA
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951LoadImgAreaStart(IT8951LdImgInfo* pstLdImgInfo ,IT8951AreaImgInfo* pstAreaImgInfo)
|
|||
|
|
{
|
|||
|
|
uint16_t usArg[5];
|
|||
|
|
//Setting Argument for Load image start
|
|||
|
|
usArg[0] = (pstLdImgInfo->usEndianType << 8 )
|
|||
|
|
|(pstLdImgInfo->usPixelFormat << 4)
|
|||
|
|
|(pstLdImgInfo->usRotate);
|
|||
|
|
usArg[1] = pstAreaImgInfo->usX;
|
|||
|
|
usArg[2] = pstAreaImgInfo->usY;
|
|||
|
|
usArg[3] = pstAreaImgInfo->usWidth;
|
|||
|
|
usArg[4] = pstAreaImgInfo->usHeight;
|
|||
|
|
//Send Cmd and Args
|
|||
|
|
LCDSendCmdArg(IT8951_TCON_LD_IMG_AREA , usArg , 5);
|
|||
|
|
}
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Host Cmd 12---LD_IMG_END
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951LoadImgEnd(void)
|
|||
|
|
{
|
|||
|
|
LCDWriteCmdCode(IT8951_TCON_LD_IMG_END);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void GetIT8951SystemInfo(void* pBuf)
|
|||
|
|
{
|
|||
|
|
uint16_t* pusWord = (uint16_t*)pBuf;
|
|||
|
|
IT8951DevInfo* pstDevInfo;
|
|||
|
|
|
|||
|
|
//Send I80 CMD
|
|||
|
|
LCDWriteCmdCode(USDEF_I80_CMD_GET_DEV_INFO);
|
|||
|
|
|
|||
|
|
//Burst Read Request for SPI interface only
|
|||
|
|
LCDReadNData(pusWord, sizeof(IT8951DevInfo)/2);//Polling HRDY for each words(2-bytes) if possible
|
|||
|
|
|
|||
|
|
//Show Device information of IT8951
|
|||
|
|
pstDevInfo = (IT8951DevInfo*)pBuf;
|
|||
|
|
printf("Panel(W,H) = (%d,%d)\r\n",
|
|||
|
|
pstDevInfo->usPanelW, pstDevInfo->usPanelH );
|
|||
|
|
printf("Image Buffer Address = %X\r\n",
|
|||
|
|
pstDevInfo->usImgBufAddrL | (pstDevInfo->usImgBufAddrH << 16));
|
|||
|
|
//Show Firmware and LUT Version
|
|||
|
|
printf("FW Version = %s\r\n", (uint8_t*)pstDevInfo->usFWVersion);
|
|||
|
|
printf("LUT Version = %s\r\n", (uint8_t*)pstDevInfo->usLUTVersion);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Initial function 2---Set Image buffer base address
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951SetImgBufBaseAddr(uint32_t ulImgBufAddr)
|
|||
|
|
{
|
|||
|
|
uint16_t usWordH = (uint16_t)((ulImgBufAddr >> 16) & 0x0000FFFF);
|
|||
|
|
uint16_t usWordL = (uint16_t)( ulImgBufAddr & 0x0000FFFF);
|
|||
|
|
//Write LISAR Reg
|
|||
|
|
IT8951WriteReg(LISAR + 2 ,usWordH);
|
|||
|
|
IT8951WriteReg(LISAR ,usWordL);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
// 3.6. Display Functions
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Display function 1---Wait for LUT Engine Finish
|
|||
|
|
// Polling Display Engine Ready by LUTNo
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951WaitForDisplayReady()
|
|||
|
|
{
|
|||
|
|
//Check IT8951 Register LUTAFSR => NonZero Busy, 0 - Free
|
|||
|
|
while(IT8951ReadReg(LUTAFSR));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Display function 2---Load Image Area process
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951HostAreaPackedPixelWrite(IT8951LdImgInfo* pstLdImgInfo,IT8951AreaImgInfo* pstAreaImgInfo)
|
|||
|
|
{
|
|||
|
|
uint32_t i,j;
|
|||
|
|
//Source buffer address of Host
|
|||
|
|
uint16_t* pusFrameBuf = (uint16_t*)pstLdImgInfo->ulStartFBAddr;
|
|||
|
|
|
|||
|
|
//Set Image buffer(IT8951) Base address
|
|||
|
|
IT8951SetImgBufBaseAddr(pstLdImgInfo->ulImgBufBaseAddr);
|
|||
|
|
//Send Load Image start Cmd
|
|||
|
|
IT8951LoadImgAreaStart(pstLdImgInfo , pstAreaImgInfo);
|
|||
|
|
//Host Write Data
|
|||
|
|
for(j=0;j< pstAreaImgInfo->usHeight;j++)
|
|||
|
|
{
|
|||
|
|
for(i=0;i< pstAreaImgInfo->usWidth/2;i++)
|
|||
|
|
{
|
|||
|
|
//Write a Word(2-Bytes) for each time
|
|||
|
|
LCDWriteData(*pusFrameBuf);
|
|||
|
|
pusFrameBuf++;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
//Send Load Img End Command
|
|||
|
|
IT8951LoadImgEnd();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
//Display functions 3---Application for Display panel Area
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951DisplayArea(uint16_t usX, uint16_t usY, uint16_t usW, uint16_t usH, uint16_t usDpyMode)
|
|||
|
|
{
|
|||
|
|
//Send I80 Display Command (User defined command of IT8951)
|
|||
|
|
LCDWriteCmdCode(USDEF_I80_CMD_DPY_AREA); //0x0034
|
|||
|
|
//Write arguments
|
|||
|
|
LCDWriteData(usX);
|
|||
|
|
LCDWriteData(usY);
|
|||
|
|
LCDWriteData(usW);
|
|||
|
|
LCDWriteData(usH);
|
|||
|
|
LCDWriteData(usDpyMode);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//Display Area with bitmap on EPD
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
// Display Function 4---for Display Area for 1-bpp mode format
|
|||
|
|
// the bitmap(1bpp) mode will be enable when Display
|
|||
|
|
// and restore to Default setting (disable) after displaying finished
|
|||
|
|
//-----------------------------------------------------------
|
|||
|
|
void IT8951DisplayArea1bpp(uint16_t usX, uint16_t usY, uint16_t usW, uint16_t usH, uint16_t usDpyMode, uint8_t ucBGGrayVal, uint8_t ucFGGrayVal)
|
|||
|
|
{
|
|||
|
|
//Set Display mode to 1 bpp mode - Set 0x18001138 Bit[18](0x1800113A Bit[2])to 1
|
|||
|
|
IT8951WriteReg(UP1SR+2, IT8951ReadReg(UP1SR+2) | (1<<2));
|
|||
|
|
|
|||
|
|
//Set BitMap color table 0 and 1 , => Set Register[0x18001250]:
|
|||
|
|
//Bit[7:0]: ForeGround Color(G0~G15) for 1
|
|||
|
|
//Bit[15:8]:Background Color(G0~G15) for 0
|
|||
|
|
IT8951WriteReg(BGVR, (ucBGGrayVal<<8) | ucFGGrayVal);
|
|||
|
|
|
|||
|
|
//Display
|
|||
|
|
IT8951DisplayArea( usX, usY, usW, usH, usDpyMode);
|
|||
|
|
IT8951WaitForDisplayReady();
|
|||
|
|
|
|||
|
|
//Restore to normal mode
|
|||
|
|
IT8951WriteReg(UP1SR+2, IT8951ReadReg(UP1SR+2) & ~(1<<2));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//-------------------------------------------------------------------------------------------------------------
|
|||
|
|
// Command - 0x0037 for Display Base addr by User
|
|||
|
|
// uint32_t ulDpyBufAddr - Host programmer need to indicate the Image buffer address of IT8951
|
|||
|
|
// In current case, there is only one image buffer in IT8951 so far.
|
|||
|
|
// So Please set the Image buffer address you got in initial stage.
|
|||
|
|
// (gulImgBufAddr by Get device information 0x0302 command)
|
|||
|
|
//
|
|||
|
|
//-------------------------------------------------------------------------------------------------------------
|
|||
|
|
void IT8951DisplayAreaBuf(uint16_t usX, uint16_t usY, uint16_t usW, uint16_t usH, uint16_t usDpyMode, uint32_t ulDpyBufAddr)
|
|||
|
|
{
|
|||
|
|
//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);
|
|||
|
|
}
|
|||
|
|
|