uchar TA_Usb_ucReadUsb(uint* puiDataLen, uchar* pucDataOut)
{
uchar ucRet = EM_SUCCESS;
uchar ucRS232Status = 0;
*puiDataLen = 0;
if (EM_SUCCESS == EA_ucIfIODeviceBufEmpty(g_hUsbComHandle, &ucRS232Status))
{
if (EM_BUFEMPTY == ucRS232Status)
{
return EM_ERROR;
}
}
ucRet = EA_ucReadDeviceMs(g_hUsbComHandle, READ_LEN_MAX, READ_TIMEOUT_MS_MIN,
(void*)pucDataOut, puiDataLen);
//PRINT_RET("TA_Usb_ucReadUsb", ucRet);
if (*puiDataLen >= 12)
{
if (0x00 == memcmp((char*)pucDataOut, "\xf6\x00\x07\x53\x44\xdd\x5a\xa5\x00\xff\xca\x03", 12))
{
//DOWNLOAD_FIRMWARE
TA_Usb_ucWriteUsb(1, (uchar*)&"\x04");
TA_vRestartDevice(1);
}
}
return ucRet;
}
int read_from_EFT(int *pLen, char *readstr)
{
char buffer[512];
ET_ProductInfo tProductInfo;
uint unActLen;
uchar ucRet;
DevHandle hRS232Handle = EM_INVALID_HANDLE;
unActLen = 0;
#ifdef EPT_A9L
memset(&tProductInfo, 0x00, sizeof(ET_ProductInfo));
EA_ucGetProductInfo(&tProductInfo);
if ( memcmp(tProductInfo.acName , "E520" , 4) == 0 && tProductInfo.ucMachType == 2)
{
ucRet = EA_ucOpenDevice("COM3", 0, &hRS232Handle);
}
else
{
ucRet = EA_ucOpenDevice(SERIAL_PORT, 0, &hRS232Handle);
}
#else
ucRet = EA_ucOpenDevice("COM", EM_io_PORT1, &hRS232Handle);
#endif
if (ucRet != EM_SUCCESS || hRS232Handle == EM_INVALID_HANDLE)
{
EA_vCls();
EA_vDisplay(2, "打开RS232口出错[%02x]", ucRet);
EA_ucCloseDevice(&hRS232Handle);
PubuiInkey(3);
return (EXCEPTION);
}
ucRet = EA_ucInitRS232(hRS232Handle, EM_232_9600BPS, EM_232_NOPAR, EM_232_8DBS);
if (ucRet != EM_SUCCESS)
{
EA_vCls();
EA_vDisplay(2, "RS232初始化错[%02x]", ucRet);
EA_ucCloseDevice(&hRS232Handle);
PubuiInkey(3);
return (EXCEPTION);
}
while (1)
{
*pLen = 0;
/*
* read STX 0x02 until time out
*/
memset (buffer ,0 ,sizeof(buffer));
do
{
if(EM_key_HIT == EA_ucKBHit())
{
EA_ucCloseDevice(&hRS232Handle);
return (EXCEPTION);
}
EA_ucReadDeviceMs(hRS232Handle, 1, 10, buffer, &unActLen);
} while (buffer[0] != 0x02);
//read left data
ucRet = EA_ucReadDeviceMs(hRS232Handle, 200, 10, buffer+1, &unActLen);
if (ucRet != EM_SUCCESS || unActLen > 200)
continue;
// debug_print((char*)"SERIAL CMD", buffer, unActLen + 1);//FIXME
*pLen = unActLen + 1;
memcpy(readstr, buffer, *pLen);
break;
} //end of while
EA_ucCloseDevice(&hRS232Handle);
return (NORMAL);
}
