/// <summary>
/// 发送AT指令 逐条发送AT指令 调用一次发送一条指令
/// 能返回一个OK或ERROR算一条指令
/// </summary>
/// <param name="ATCom">AT指令</param>
/// <returns>发送指令后返回的字符串</returns>
public string SendAT(string ATCom)
{
string result = string.Empty;
//忽略接收缓冲区内容，准备发送
_com.DiscardInBuffer();
//注销事件关联，为发送做准备
_com.DataReceived -= sp_DataReceived;
//发送AT指令
try
{
_com.Write(ATCom + "\r");
}
catch (Exception ex)
{
//打印日志
string errTxt = string.Format(" SendAT:{0}\r\n{1}\r\n{2}", "发送AT指令", ex.Message, ex.StackTrace);
LogHelpers.Error(errTxt);
_com.DataReceived += sp_DataReceived;
throw ex;
}
//接收数据 循环读取数据 直至收到“OK”或“ERROR”
string temp = string.Empty;
DateTime startTime = DateTime.Now;
try
{
while (!(temp.Contains("OK") || temp.Contains("ERROR"))) //&& (DateTime.Now.CompareTo(StartTime) < 60000)
{
temp = _com.ReadExisting();
result += temp;
Thread.Sleep(100);
if ((DateTime.Now - startTime).Seconds > 15)//运行时间大于20s，结束循环
{
//打印日志
LogHelpers.Error(string.Format(" 获取短信返回状态码超时，result:{0}", result));
throw new Exception(" Read:" + temp);
//break;
}
}
return(result);
}
catch (Exception ex)
{
//打印日志
string errTxt = string.Format(" Read:{0}\r\n{1}\r\n{2}", temp, ex.Message, ex.StackTrace);
LogHelpers.Error(errTxt);
throw new Exception(ex.ToString() + " Read:" + temp);
}
finally
{
//事件重新绑定 正常监视串口数据
_com.DataReceived += sp_DataReceived;
}
}
/// <summary>
/// 发送AT指令 逐条发送AT指令 调用一次发送一条指令
/// 能返回一个OK或ERROR算一条指令
/// </summary>
/// <param name="ATCom">AT指令</param>
/// <returns>发送指令后返回的字符串</returns>
public string SendAT(string ATCom)
{
string result = string.Empty;
Console.WriteLine("忽略接收缓冲区内容，准备发送");
//忽略接收缓冲区内容，准备发送
_com.DiscardInBuffer();
Console.WriteLine("注销事件关联，为发送做准备");
//注销事件关联，为发送做准备
lock (lockObject)
{
_com.DataReceived -= sp_DataReceived;
}
//发送AT指令
try
{
Console.WriteLine("发送AT指令");
_com.Write(ATCom + "\r");
}
catch (Exception ex)
{
Console.WriteLine("发送AT指令失败:" + ex.Message);
lock (lockObject)
{
_com.DataReceived += sp_DataReceived;
}
throw ex;
}
Console.WriteLine("接收数据 循环读取数据 直至收到“OK”或“ERROR”");
//接收数据 循环读取数据 直至收到“OK”或“ERROR”
try
{
string temp = string.Empty;
while (temp.Trim() != "OK" && temp.Trim() != "ERROR")
{
temp = _com.ReadLine();
Console.WriteLine("调试:\"" + ATCom + "\"---返回:" + temp);
result += temp;
}
return(result);
}
catch (Exception ex)
{
throw ex;
}
finally
{
//事件重新绑定 正常监视串口数据
lock (lockObject)
{
_com.DataReceived += sp_DataReceived;
}
}
}
/// <summary>
/// 发送AT指令 逐条发送AT指令 调用一次发送一条指令
/// 能返回一个OK或ERROR算一条指令
/// </summary>
/// <param name="ATCom">AT指令</param>
/// <returns>发送指令后返回的字符串,返回null说明端口问题，建议重启</returns>
public string SendAT(string ATCom)
{
string result = string.Empty;
//忽略接收缓冲区内容，准备发送
_com.DiscardInBuffer();
//注销事件关联，为发送做准备
_com.DataReceived -= sp_DataReceived;
//发送AT指令
try
{
_com.Write(ATCom + "\r");
}
catch (Exception ex)
{
_com.DataReceived += sp_DataReceived;
throw ex;
}
//接收数据 循环读取数据 直至收到“OK”或“ERROR”
string temp = string.Empty;
DateTime StartTime = DateTime.Now;
try
{
while (!(temp.Contains("OK") || temp.Contains("ERROR"))) //&& (DateTime.Now.CompareTo(StartTime) < 60000)
{
temp = _com.ReadExisting();
result += temp;
Thread.Sleep(100);
}
return(result);
}
catch (Exception ex)
{
//throw new Exception(ex.ToString() + " Read:" + temp);
return(null);
}
finally
{
//事件重新绑定 正常监视串口数据
_com.DataReceived += sp_DataReceived;
}
}