/// <summary>
/// 封装好完整的发送数据帧
/// </summary>
/// <param name="node">从机地址</param>
/// <param name="cmd">指令信息</param>
/// <returns></returns>
private static byte[] SendPduPack(int node, MBCmd cmd)
{
byte[] res = null;
switch (cmd.func)
{
case MB_READ_COILS:
case MB_READ_DISCRETE:
case MB_READ_HOLD_REG:
case MB_READ_INPUT_REG:
case MB_WRITE_SINGLE_COIL:
case MB_WRITE_SINGLE_REG:
res = SendTrainCyclostyle(node, null, cmd.addr, cmd.len, (byte)cmd.func); break;
case MB_WRITE_MULTIPLE_COILS:
case MB_WRITE_MULTIPLE_REGS:
byte[] data = GetAddressValues(cmd.addr, (byte)cmd.func, cmd.len);
res = SendTrainCyclostyle(node, data, cmd.addr, cmd.len, (byte)cmd.func); break;
}
return(res);
}
/// <summary>
/// 封装发送数据帧
/// </summary>
/// <param name="node">从机地址</param>
/// <param name="cmd">指令信息</param>
/// <returns></returns>
private static byte[] SendPduPack(int node, MBCmd cmd)
{
byte[] res = null;
switch (cmd.stat)
{
case MB_READ_COILS:
case MB_READ_DISCRETE:
case MB_READ_HOLD_REG:
case MB_READ_INPUT_REG:
case MB_WRITE_SINGLE_COIL:
case MB_WRITE_SINGLE_REG:
res = SendTrainCyclostyle(node, null, cmd.addr, cmd.len, (byte)cmd.stat); break;
case MB_WRITE_MULTIPLE_COILS:
case MB_WRITE_MULTIPLE_REGS:
byte[] data = GetAddressValues(cmd.addr, (byte)cmd.stat, cmd.len);
res = SendTrainCyclostyle(node, data, cmd.addr, cmd.len, (byte)cmd.stat); break;
}
return res;
}