/// <summary>
/// Modbus读保持寄存器发送主机代码03H
/// </summary>
public static void timer2Action_SendFc03(byte address, ushort start, ushort registers, FrmMain fm)
{
if (fm.button1.Text == "关闭串口")
{
if (SendCount == 0)
{
if (frameDelayType == false)
{
SendCount = 1;
}
else
{
SendCount = 0;
}
ModbusRTU.BuildMessage(address, 0x03, start, registers, ref TxBuf);
ReadLenth = 2 * ModbusNumRegister + 5;//酱紫使用帧延时模式时只需要计算一次
fm.serialPort1.ReceivedBytesThreshold = ReadLenth;
}
if (ModbusTimeOut == 0)
{
if (frameDelayType == false)
{
SendCommand.SendBytes(TxBuf, TxBuf.Length, fm);
ModbusTimeOut = 1;
fm.timer1.Enabled = true;
SendCount = 0;
}
else
{
// byte[] Txtest = new byte[1];
Txtest[0] = TxBuf[SendCount++];
SendCommand.SendOneByte(Txtest, fm);
if (SendCount >= TxBuf.Length)
{//定时器1用来做帧延时，定时器2做Modbus超时
ModbusTimeOut = 1;
fm.timer1.Enabled = true;
SendCount = 0;
}
}
}
if (SerialRecOk == 1)
{
ModbusTimeOut = 0;
SerialRecOk = 0;
SendCount = 0;
fm.timer1.Enabled = false;
}
}
else
{
fm.timer2.Enabled = false;
fm.timer1.Enabled = false;
}
}
/// <summary>
/// Modbus写保持寄存器发送主机代码10H
/// </summary>
public static void timer2Action_SendFc10(byte address, ushort start, ushort registers, ushort[] values, FrmMain fm)
{
if (fm.button1.Text == "关闭串口")
{//此处使用动态内存，当使用帧延时发送时会导致每次都算一遍数据
byte[] message = new byte[9 + 2 * registers];
message[6] = (byte)(registers * 2);
//字节计数，寄存器数量*2
message[6] = (byte)(registers * 2);
//保存的数据（需写入的数据）
for (int i = 0; i < registers; i++)
{
message[7 + 2 * i] = (byte)(values[i] >> 8);
message[8 + 2 * i] = (byte)(values[i]);
}
ModbusRTU.BuildMessage(address, 0x10, start, registers, ref message);
ReadLenth = 8;
fm.serialPort1.ReceivedBytesThreshold = ReadLenth;
if (SendCount == 0)
{
if (frameDelayType == false)
{
SendCount = 1;
}
else
{
SendCount = 0;
}
}
if (ModbusTimeOut == 0)
{
if (frameDelayType == false)
{
SendCommand.SendBytes(message, message.Length, fm);
ModbusTimeOut = 1;
fm.timer1.Enabled = true;
SendCount = 0;
}
else
{
// byte[] Txtest = new byte[1];
Txtest[0] = message[SendCount++];
SendCommand.SendOneByte(Txtest, fm);
if (SendCount >= message.Length)
{//定时器1用来做帧延时，定时器2做Modbus超时
ModbusTimeOut = 1;
fm.timer1.Enabled = true;
SendCount = 0;
}
}
}
if (SerialRecOk == 1)
{
ModbusTimeOut = 0;
SerialRecOk = 0;
SendCount = 0;
fm.timer1.Enabled = false;
}
}
else
{
fm.timer2.Enabled = false;
fm.timer1.Enabled = false;
}
}