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+using System;
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+using System.Collections.Generic;
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+using System.Linq;
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+using System.Text;
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+using System.Threading.Tasks;
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+using System.IO.Ports;
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+using System.Threading;
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+
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+namespace Tps_LQ_Transmitter.com
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+{
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+ /// <summary>
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+ /// PCM控制与数据发送类
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+ /// </summary>
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+ class PcmControl:MySerial
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+ {
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+ SerialPort serial = null;
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+ public PcmControl()
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+ {
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+ serial = new SerialPort();
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+ serial.PortName = "COM5"; //DIO控制板与JSY模块都是RS485通信共用计算机的串口COM6
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+ serial.BaudRate = 115200;
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+ serial.DataBits = 8;
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+ serial.StopBits = StopBits.One;//停止位设置为com_stop的值
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+ serial.Parity = Parity.None;//获取奇偶校验选项的值
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+ serial.ReadTimeout = 1000; //读取等待时间1000
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+ serial.RtsEnable = true;
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+ if (!serial.IsOpen)
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+ {
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+ serial.Open();
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+ }
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+
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+ }
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+
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+ public override void portClose()
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+ {
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+ serial.Close();
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+ }
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+
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+ /// <summary>
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+ /// PCM读写方法
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+ /// </summary>
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+ /// <param name="data">数据</param>
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+ /// <param name="delay">延时</param>
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+ /// <returns></returns>
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+ public byte[] WriteRead(byte[] data, int delay = 50)
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+ {
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+ if (data == null)
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+ return null;
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+
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+ //先读空
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+ if (serial.BytesToRead > 0)
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+ serial.DiscardInBuffer();
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+
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+ byte[] crc = crc16(data);
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+ byte[] newarray = new byte[data.Length + 2];
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+ Array.Copy(data, newarray, data.Length);
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+ newarray[data.Length] = crc[0];
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+ newarray[data.Length + 1] = crc[1];
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+
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+ serial.Write(data, 0, data.Length);
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+ Thread.Sleep(delay);
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+ if (serial.BytesToRead > 0)
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+ {
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+ byte[] dat = new byte[serial.BytesToRead];
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+ serial.Read(dat, 0, dat.Length);
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+ return dat;
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+ }
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+ else
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+ {
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+ return null;
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+ }
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+ }
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+ /// <summary>
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+ /// PCM设置命令发送
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+ /// </summary>
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+ /// <param name="mode">"UART"/"HDLC"</param>
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+ /// <param name="choice">"ODD"/"EVEN"/"NONE"/"FALL"/"RISE"</param>
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+ /// <param name="baudrate">波特率</param>
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+ /// <returns>结果</returns>
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+ public bool Setting(string mode,string choice,int baudrate )
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+ {
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+ int u = 0;
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+ if (mode=="UART")
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+ {
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+ u = u | 0x01;
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+ }
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+ else if (mode == "HDLC")
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+ {
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+ u = u | 0x41;
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+ }
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+
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+ if (choice == "ODD")//奇校验
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+ {
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+ u = u | 0x02;
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+ }
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+ else if (choice == "EVEN")//偶校验
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+ {
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+ u = u | 0x04;
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+ }
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+ else if (choice == "NONE")//无校验
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+ {
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+ u = u | 0x00;
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+ }
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+ else if (choice == "FALL")//下降沿
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+ {
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+ u = u | 0x08;
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+ }
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+ else if (choice == "RISE")//上升沿
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+ {
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+ u = u | 0x00;
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+ }
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+ int d =((50000000 / baudrate) + 2);
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+ bool bolrd = false;
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+ byte[] byst = { 0xF0, 0x0F, 0x02, 0x00, 0x00, 0x03, 0x00, 0xDB, 0x01 };
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+ byst[8] = (byte)u;
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+ byst[6] = (byte)((d & 0x0000ff00) >> 8);
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+ byst[7] = (byte)(d & 0x000000ff);
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+ byte[] byrd = WriteRead(byst);
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+ if (byrd.Length>= byst.Length)
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+ {
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+ bolrd = true;
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+ }
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+ return bolrd;
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+ }
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+ public bool UartSendSetting()
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+ {
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+ bool bolrd = false;
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+ byte[] byst = { 0xF0, 0x0F, 0x02, 0x00, 0x00, 0x03, 0x00, 0xDB, 0x01 };
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+ byte[] byrd = new byte[10];
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+ byte[] byrdx = { 0xF0, 0x0F, 0x02, 0x00, 0x00, 0x03, 0x00, 0xDB, 0x01 ,0x24};
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+ byrd=WriteRead(byst);
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+ if (byrd.Length >= 10)
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+ {
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+ bolrd = true;
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+ for (int i = 0; i < byrdx.Length; i++)
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+ {
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+ if (byrd[i] != byrdx[i])
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+ bolrd = false;
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+ }
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+ }
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+ return bolrd;
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+ }
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+
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+ public bool HdlcSendSetting()
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+ {
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+ bool bolrd = false;
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+ byte[] byst = { 0xF0, 0x0F, 0x02, 0x00, 0x00, 0x03, 0x00, 0x0D, 0x41 };
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+ byte[] byrd = new byte[10];
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+ byte[] byrdx = { 0xF0, 0x0F, 0x02, 0x00, 0x00, 0x03, 0x00, 0x0D, 0x41, 0xB2 };
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+ byrd = WriteRead(byst);
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+ if (byrd.Length >= 10)
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+ {
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+ bolrd = true;
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+ for (int i = 0; i < byrdx.Length; i++)
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+ {
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+ if (byrd[i] != byrdx[i])
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+ bolrd = false;
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+ }
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+ }
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+ return bolrd;
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+ }
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+ public bool DataSend(byte[] data)
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+ {
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+ bool bolrd = false;
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+ if (data!=null && data.Length>0)
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+ {
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+ byte[] sd = new byte[data.Length + 6];
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+ sd[0] = 0xF0;
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+ sd[1] = 0x0F;
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+ sd[2] = 0x03;
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+ sd[3] = 0x00;
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+ sd[4] = 0x00;
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+ sd[5] = (byte)data.Length;
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+ for (int i = 0; i < data.Length; i++)
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+ {
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+ sd[6 + i] = data[i];
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+ }
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+ byte[] byrd = WriteRead(sd);
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+ if (byrd.Length >= sd.Length)
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+ {
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+ bolrd = true;
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+ }
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+ }
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+ return bolrd;
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+ }
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+ }
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+}
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pc