/// <summary>Resets path and stored information to the empty state</summary>
public void Clear()
{
path = string.Empty;
name = string.Empty;
fileSystemInfo = null;
timeStamp = default(Time.QpcTimeStamp);
}
protected internal string RunCmdWrite()
{
masterToSlaveBufferLen = 0;
slaveToMasterBufferLen = 0;
for (int preambles = 0; preambles < Details.DefaultMinPreambleBytesToSend; preambles++)
{
masterToSlaveBuffer[masterToSlaveBufferLen++] = Details.PreambleByte;
}
int startCharIdx = masterToSlaveBufferLen;
masterToSlaveBuffer[masterToSlaveBufferLen++] = MasterToSlavePacketInfo.PacketAddressInfo.StartChar;
if (MasterToSlavePacketInfo.PacketAddressInfo.AddressType == AddressType.Short_1Byte)
{
masterToSlaveBuffer[masterToSlaveBufferLen++] = MasterToSlavePacketInfo.PacketAddressInfo.PackShortAddr();
}
else
{
MasterToSlavePacketInfo.PacketAddressInfo.PackLongAddr(masterToSlaveBuffer, masterToSlaveBufferLen);
masterToSlaveBufferLen += 5;
}
masterToSlaveBuffer[masterToSlaveBufferLen++] = MasterToSlavePacketInfo.CommandCode;
byte dataCount = MasterToSlavePacketInfo.DataLenByte;
byte [] data = MasterToSlavePacketInfo.Data;
masterToSlaveBuffer[masterToSlaveBufferLen++] = dataCount;
for (byte cmdDataIdx = 0; cmdDataIdx < dataCount; cmdDataIdx++)
{
masterToSlaveBuffer[masterToSlaveBufferLen++] = data[cmdDataIdx];
}
// build checksum
byte checkSumByte = 0x00;
for (int checkSumIdx = startCharIdx; checkSumIdx < masterToSlaveBufferLen; checkSumIdx++)
{
checkSumByte = (byte)(checkSumByte ^ masterToSlaveBuffer[checkSumIdx]);
}
masterToSlaveBuffer[masterToSlaveBufferLen++] = checkSumByte;
// capture timestamp
MasterToSlavePacketInfo.TimeStamp = Time.QpcTimeStamp.Now;
// update WriteActionParms
spWriteActionParam.Reset();
spWriteActionParam.Buffer = masterToSlaveBuffer;
spWriteActionParam.BytesToWrite = masterToSlaveBufferLen;
// run it.
string ec = ((spWriteAction != null) ? spWriteAction.Run() : "WriteFailed: No SerialPort Defined");
spWriteCompleteTime = Time.QpcTimeStamp.Now;
if (!String.IsNullOrEmpty(ec))
{
SetFailed(ec);
}
return(ec);
}
protected internal bool RunIncrementalCmdResponseRead(ref string ecOut)
{
Time.QpcTimeStamp timeoutAfter = spWriteCompleteTime + ResponseTimeLimit;
TimeSpan remainingTime = timeoutAfter - Time.QpcTimeStamp.Now;
spReadActionParam.Reset();
spReadActionParam.Buffer = slaveToMasterBuffer;
spReadActionParam.BytesRead = slaveToMasterBufferLen;
spReadActionParam.BytesToRead = slaveToMasterBuffer.Length; // we will be happy to stop before this as well
spReadActionParam.WaitForAllBytes = false;
string ec = ((spReadAction != null) ? spReadAction.Run() : "ReadFailed: No SerialPort Defined");
TimeSpan runTime = spReadActionParam.StartTime.Age;
if (spReadActionParam.BytesRead != slaveToMasterBufferLen)
{
slaveToMasterBufferLen = spReadActionParam.BytesRead;
string decodeEC = null;
if (AttemptToDecodeAndVerifyCmdResponse(ref decodeEC))
{
ec = decodeEC ?? ec;
SlaveToMasterPacketInfo.TimeStamp = Time.QpcTimeStamp.Now;
TimeSpan spReadActionRunTime = SlaveToMasterPacketInfo.TimeStamp - spReadActionParam.StartTime;
ecOut = ec;
return(true);
}
}
else
{
switch (spReadActionParam.ActionResultEnum)
{
case MosaicLib.SerialIO.ActionResultEnum.ReadDone:
case MosaicLib.SerialIO.ActionResultEnum.ReadTimeout:
ec = String.Empty;
// neither of these cases are errors at this level
break;
default:
// all other cases are errors
if (String.IsNullOrEmpty(ec))
{
ec = "??" + spReadActionParam.ResultCode;
}
break;
}
}
if (String.IsNullOrEmpty(ec) && remainingTime < TimeSpan.Zero)
{
if (slaveToMasterBufferLen == 0)
{
ec = "Timeout waiting for any response from target device(s)";
}
else
{
ec = "Timeout waiting for complete response from target device(s)";
}
SlaveToMasterPacketInfo.TimeStamp = Time.QpcTimeStamp.Now;
}
bool cmdFailed = !String.IsNullOrEmpty(ecOut = ec);
return(cmdFailed);
}
protected internal string RunCmdWrite()
{
masterToSlaveBufferLen = 0;
slaveToMasterBufferLen = 0;
for (int preambles = 0; preambles < Details.DefaultMinPreambleBytesToSend; preambles++)
masterToSlaveBuffer[masterToSlaveBufferLen++] = Details.PreambleByte;
int startCharIdx = masterToSlaveBufferLen;
masterToSlaveBuffer[masterToSlaveBufferLen++] = MasterToSlavePacketInfo.PacketAddressInfo.StartChar;
if (MasterToSlavePacketInfo.PacketAddressInfo.AddressType == AddressType.Short_1Byte)
masterToSlaveBuffer[masterToSlaveBufferLen++] = MasterToSlavePacketInfo.PacketAddressInfo.PackShortAddr();
else
{
MasterToSlavePacketInfo.PacketAddressInfo.PackLongAddr(masterToSlaveBuffer, masterToSlaveBufferLen);
masterToSlaveBufferLen += 5;
}
masterToSlaveBuffer[masterToSlaveBufferLen++] = MasterToSlavePacketInfo.CommandCode;
byte dataCount = MasterToSlavePacketInfo.DataLenByte;
byte [] data = MasterToSlavePacketInfo.Data;
masterToSlaveBuffer[masterToSlaveBufferLen++] = dataCount;
for (byte cmdDataIdx = 0; cmdDataIdx < dataCount; cmdDataIdx++)
masterToSlaveBuffer[masterToSlaveBufferLen++] = data[cmdDataIdx];
// build checksum
byte checkSumByte = 0x00;
for (int checkSumIdx = startCharIdx; checkSumIdx < masterToSlaveBufferLen; checkSumIdx++)
{
checkSumByte = (byte) (checkSumByte ^ masterToSlaveBuffer[checkSumIdx]);
}
masterToSlaveBuffer[masterToSlaveBufferLen++] = checkSumByte;
// capture timestamp
MasterToSlavePacketInfo.TimeStamp = Time.QpcTimeStamp.Now;
// update WriteActionParms
spWriteActionParam.Reset();
spWriteActionParam.Buffer = masterToSlaveBuffer;
spWriteActionParam.BytesToWrite = masterToSlaveBufferLen;
// run it.
string ec = ((spWriteAction != null) ? spWriteAction.Run() : "WriteFailed: No SerialPort Defined");
spWriteCompleteTime = Time.QpcTimeStamp.Now;
if (!String.IsNullOrEmpty(ec))
SetFailed(ec);
return ec;
}