混凝土搅拌站称重仪表驱动程序C#源代码

public delegate void DataReceived(bool enableData, double Data); //委托
public event DataReceived dataReceived;
public StringBuilder recdata; void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e) {
public void Send(CmdType Cmd, params int[] wtdate) {
if (serialPort1.IsOpen) try { serialPort1.WriteLine(ToComString(Cmd, wtdate)); } catch { }
}
//public delegate void DataReceived(byte[] Data); //委托
for (int j = 0; j < 8; j++) {
if (s.Substrபைடு நூலகம்ng(j * 7 + 1, 1) == "+") flag = 1; else flag = -1;
readvalue[j] = flag * Convert.ToDouble(s.Substring(j * 7 + 2, 6)) / 100;
public void Close() {
_Status = false; try {
if (serialPort1.IsOpen) {
serialPort1.Close(); } } catch (Exception exp) { throw new Exception(exp.Message); } }
case CmdType.设置小数位数: return "D.P "+wtdate[0].ToString() + Environment.NewLine;//
default: return "";
} }
#region IDisposable 成员
public void Dispose() {
Close();
}
SerialPort serialPort1; public bool _Status;
public void Open() {
_Status = true; try {
if (!serialPort1.IsOpen) serialPort1.Open(); recdata.Remove(0, recdata.Length); } catch (Exception exp) { throw new Exception(exp.Message); } }
public void Open() {
try {
Status = true; if (!serialPort1.IsOpen) {
recdata.Remove(0, recdata.Length); serialPort1.Open(); } } catch (Exception exp) { throw new Exception(exp.Message); }
public enum CmdType {
初始化, 读取称值, 称值清零, 设置小数位数 }
读值
/// <summary> /// 生成指令字符串，适用于 ADAM 单路路仪表 /// </summary> public static string ToComString(CmdType cmd,params int[] wtdate) {
serialPort1.Encoding = Encoding.Default;
serialPort1.DataReceived
+=
new
SerialDataReceivedEventHandler(serialPort1_DataReceived);
recdata = new StringBuilder();
void analyseBuf(byte[] buf) {
string buff = Encoding.Default.GetString(buf); for (int i = 0; i < buff.Length; i++) {
if (buff[i]=='>') {
if (recdata.Length > 0) recdata.Remove(0, recdata.Length); recdata.Append(buff[i]); } else if(buff[i]=='\r') { recdata.Append(buff[i]); int flag = 1; double[] readvalue = new double[8]; string s = recdata.ToString(); if (s.Length == 58) {
readvalue = flag * Convert.ToDouble(s.Substring(7, 7).Trim());
dataReceived(true, readvalue); } else
{ dataReceived(false, readvalue);
} recdata.Remove(0, recdata.Length); } } } } }
} dataReceived(true, readvalue); } else { dataReceived(false, readvalue); } recdata.Remove(0, recdata.Length); } else { recdata.Append(buff[i]); }
} }
/// <summary> /// 生成指令字符串，适用于 ADAM 多路仪表 /// </summary> private string ToComString() {
return "#01\r"; }
#region IDisposable 成员
public void Dispose() {
Close(); serialPort1.Dispose(); }
public void Send() {
if (serialPort1.IsOpen) {
serialPort1.Write(ToComString()); } }
public delegate void DataReceived(bool enableData, double[] Data); //委 托
serialPort1.BaudRate = 9600;
serialPort1.StopBits = StopBits.One;
serialPort1.Parity = Parity.None;
serialPort1.DataBits = 8;
serialPort1.Encoding = Encoding.Default;
}
public void Close() {
try {
Status = false; if (serialPort1.IsOpen) {
serialPort1.Close(); } } catch (Exception exp) { throw new Exception(exp.Message); } }
if (dataReceived != null) {
try {
int i = serialPort1.BytesToRead; byte[] buf = new byte[i]; serialPort1.Read(buf, 0, i);
analyseBuf(buf); } catch { } } } }
switch (cmd) {
case CmdType.初始化: return "PROG" + Environment.NewLine;//初始化
case CmdType.读取称值: return "READ" + Environment.NewLine;//读值
case CmdType.称值清零: return "ZERO ON" + Environment.NewLine;//读值
serialPort1.PortName = "COM" + ComPort;
serialPort1.BaudRate = BaudRate;
serialPort1.StopBits = StopBits.One;
serialPort1.Parity = Parity.Even;
serialPort1.DataBits = 7;
if (_Status) {
if (dataReceived != null) {
try {
int i = serialPort1.BytesToRead; byte[] buf = new byte[i]; serialPort1.Read(buf, 0, i); analyseBuf(buf); } catch { } } } }
serialPort1.DataReceived
+=
new
SerialDataReceivedEventHandler(serialPort1_DataReceived);
recdata = new StringBuilder();
}
SerialPort serialPort1; public bool Status;
serialPort1.Dispose(); }