/// <summary>
/// Build data frame and transmit it to bus
/// </summary>
/// <param name="msg">Message payload to be transmitted</param>
/// <returns>true if success, false if error</returns>
public bool Send(byte[] msg)
{
// Allocate temporary buffer for payload + LRC
byte[] tmpData = new byte[msg.Length + 1];
// Copy message to temporary buffer
Array.Copy(msg, tmpData, msg.Length);
// Calculate LRC and store it to temporary buffer
tmpData[tmpData.Length - 1] = msg.CalculateLrc(msg.Length);
// Calculate transmitted byte buffer size and allocate it
int txLen = (tmpData.Length * 2) + 3;
byte[] txData = new byte[txLen];
// Convert payload and LRC to ASCII format
tmpData = ConvertDataToAscii(tmpData);
// Add start character to transmit buffer
txData[0] = Convert.ToByte(':');
// Copy data in ASCII format to transmit buffer
Array.Copy(tmpData, 0, txData, 1, tmpData.Length);
// Add trailing CRLF sequence to transmit buffer
txData[txData.Length - 2] = Convert.ToByte('\r');
txData[txData.Length - 1] = Convert.ToByte('\n');
// Send finished data frame
Debug.WriteLine("LINK - TX_MSG: " + BitConverter.ToString(msg));
return(PHY.Transmit(txData));
}
/// <summary>
/// Build data frame and transmit it to bus
/// </summary>
/// <param name="msg">Message payload to be transmitted</param>
/// <returns>true if success, false if error</returns>
public bool Send(byte[] msg)
{
int txCrc = msg.CalculateCrc();
byte[] txData = new byte[msg.Length + 2];
Array.Copy(msg, 0, txData, 0, msg.Length);
txData[txData.Length - 1] = Convert.ToByte((txCrc & 0xff00) >> 8);
txData[txData.Length - 2] = Convert.ToByte(txCrc & 0x00ff);
Debug.WriteLine("LINK - TX_MSG: " + BitConverter.ToString(msg));
return(PHY.Transmit(txData));
}
