byte[] SendCompactMaestroCommand(byte cmd, int respByteCount = 0, byte addr = 0xFF, int data = -1)
{
byte[] buffer;
if (addr == 0xFF)
{
buffer = new byte[] { cmd }
}
;
else if (data < 0)
{
buffer = new byte[] { cmd, addr }
}
;
else
{
buffer = new byte[] { cmd, addr, (byte)(data & 0x7F), (byte)((data >> 7) & 0x7F) }
};
ComPort.DiscardInBuffer();
ComPort.Write(buffer, 0, buffer.Length);
if (respByteCount > 0)
{
buffer = new byte[respByteCount];
while (ComPort.BytesToRead < respByteCount)
{
}
ComPort.Read(buffer, 0, respByteCount);
}
return(buffer);
}
}
private void OnComReceive(object sender, SerialDataReceivedEventArgs e)//接收数据 中断只标志有数据需要读取，读取操作在中断外进行
{
if (recStaus)
{
try
{
var recBuffer = new byte[ComPort.BytesToRead];
ComPort.Read(recBuffer, 0, recBuffer.Length);
ComRec(recBuffer);
}
catch (Exception ex)
{
if (ComPort.IsOpen == false)
{
SerialLostEvent?.Invoke(this, new EventArgs());
}
}
}
else
{
ComPort.DiscardInBuffer();
}
}