private CP2112_DLL.HID_SMBUS_STATUS Write3(byte slaveAddress, ushort numBytesToWrite,
byte OffsetAddr, byte[] WriteBytes)
{
CP2112_DLL.HID_SMBUS_STATUS ret = CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_SUCCESS;
if (!isOpened())
{
return(CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_ERROR);
}
byte wradr = OffsetAddr;
ushort destlength = numBytesToWrite;
ushort numBytesToRead = numBytesToWrite;
byte[] readBytes = new byte[numBytesToRead];
ushort destindex = 0;
byte status = 0;
byte detailedstatus = 0;
ushort numretries = 0;
ushort bytesread = 0;
while (numBytesToWrite > 0)
{
status = 0;
destlength = numBytesToWrite;
if (numBytesToWrite > writeBlock)
{
destlength = (ushort)writeBlock;
}
byte[] wrbuf = new byte[destlength + 1];
Array.Copy(WriteBytes, destindex, wrbuf, 1, destlength);
wrbuf[0] = wradr;
ret = CP2112_DLL.HidSmbus_WriteRequest(m_hidSmbus, slaveAddress, wrbuf, (byte)(destlength + 1));
Util.Delay(delayTime);
//Console.WriteLine("destlength:" + destlength);
if (ret != CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_SUCCESS)
{
return(ret);
}
do
{
ret = CP2112_DLL.HidSmbus_TransferStatusRequest(m_hidSmbus);
if (ret != CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_SUCCESS)
{
return(ret);
}
ret = CP2112_DLL.HidSmbus_GetTransferStatusResponse(m_hidSmbus, ref status, ref detailedstatus,
ref numretries, ref bytesread);
if (ret != CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_SUCCESS)
{
return(ret);
}
if (status == (byte)CP2112_DLL.HID_SMBUS_TRANSFER_S0.HID_SMBUS_S0_ERROR)
{
return(CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_ERROR);
}
//Console.WriteLine("detailedstatus :" + detailedstatus + "status :" + status + "numretries:" + numretries);
if (numretries > 999)
{
break;
}
}while (status != 0x02);
numBytesToWrite -= destlength;
destindex += destlength;
wradr += (byte)destlength;
}
ret = CP2112_DLL.HidSmbus_CancelTransfer(m_hidSmbus);
//Util.Delay(50);
//ret=Read3(slaveAddress, numBytesToRead, OffsetAddr, ref readBytes);
//if (!Util.arrayCompare(readBytes, WriteBytes))
//{
// ret = CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_WRITE_COMAPARE_FAIL;
//}
return(ret);
}
private CP2112_DLL.HID_SMBUS_STATUS Read3(byte slaveAddress, ushort numBytesToRead,
byte OffsetAddr, ref byte[] readBytes)
{
byte[] targetAddress = new byte[1];
targetAddress[0] = OffsetAddr;
byte[] BufTmp = new byte[255];
byte ReadStatus = 0;
byte numBytesRead = 0;
ushort readCont = 0;
CP2112_DLL.HID_SMBUS_STATUS ret = CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_ERROR;
if (!isOpened())
{
return(CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_ERROR);
}
ret = CP2112_DLL.HidSmbus_SetTimeouts(m_hidSmbus, 100);
if (ret != CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_SUCCESS)
{
return(ret);
}
ret = CP2112_DLL.HidSmbus_AddressReadRequest(m_hidSmbus, slaveAddress, numBytesToRead, 1, targetAddress);
Util.Delay(50);
ret = CP2112_DLL.HidSmbus_ForceReadResponse(m_hidSmbus, numBytesToRead);
if (ret != CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_SUCCESS)
{
return(ret);
}
Util.Delay(20);
do
{
ret = CP2112_DLL.HidSmbus_GetReadResponse(m_hidSmbus, ref ReadStatus,
BufTmp, 64, ref numBytesRead);
// CP2112_DLL.HidSmbus_CancelTransfer(m_hidSmbus);
if (ret != CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_SUCCESS)
{
break;
}
if (ReadStatus != (byte)CP2112_DLL.HID_SMBUS_TRANSFER_S0.HID_SMBUS_S0_ERROR)
{
Array.Copy(BufTmp, 0, readBytes, readCont, numBytesRead);
readCont += numBytesRead;
}
else
{
return(CP2112_DLL.HID_SMBUS_STATUS.HID_SMBUS_ERROR);
}
}while (readCont < numBytesToRead);
//ret = CP2112_DLL.HidSmbus_GetReadResponse(m_hidSmbus, ref ReadStatus,
// BufTmp, 255, ref numBytesRead);
//Array.Copy(BufTmp, 0, readBytes, 0, numBytesRead);
CP2112_DLL.HidSmbus_CancelTransfer(m_hidSmbus);
return(ret);
}