/// <summary>
/// WriteData
/// </summary>
/// <param name="command">command data to send</param>
/// <param name="ack">true if ack is epected</param>
/// <param name="retries">number of retries</param>
/// <returns></returns>
private byte[] WriteData(byte[] command, bool ack = true, int retries = 5)
{
byte[] ackBuffer = new byte[2];
bool done = false;
while ((!done) && (retries-- > 0))
{
SendCommandAsync(command).Wait();
if (ack)
{
LoadResponseAsync(2).Wait();
DataReaderObject.ReadBytes(ackBuffer);
done = 0xEE07 != (ackBuffer[0] << 8 | ackBuffer[1]);
}
else
{
done = true;
}
}
if (!done)
{
throw new Exception("WriteData retries exceeded");
}
return(ackBuffer);
}
/// <summary>
/// ReadData
/// </summary>
/// <param name="data">Array of data read from device</param>
/// <returns></returns>
private byte[] ReadData(byte[] command, uint readLength)
{
byte[] headerBuffer = new byte[2];
byte[] returnBuffer = new byte[readLength];
SendCommandAsync(command).Wait();
LoadResponseAsync(2).Wait();
DataReaderObject.ReadBytes(headerBuffer);
if (headerBuffer[0] != 0xBB)
{
throw new Exception(string.Format("ReadData error 0x{0:x2}{0:x2}", headerBuffer[0], headerBuffer[1]));
}
if (headerBuffer[1] != readLength)
{
throw new Exception(string.Format("ReadData error: failed to read {0} bytes. Read {1}", readLength, headerBuffer[1]));
}
LoadResponseAsync(readLength).Wait();
DataReaderObject.ReadBytes(returnBuffer);
return(returnBuffer);
}