public ScaleDataResult ReadValue()
{
if (mSerialPort.IsOpen == false)
{
try
{
mSerialPort.Open();
}
catch (Exception e)
{
return(new ScaleDataResult(-1, "串口打开失败：" + e.Message, 0));
}
}
ScaleDataResult result = new ScaleDataResult(-1, "数据解释失败！", 0);
try {
int bytes = mSerialPort.BytesToRead;
byte[] buffer = new byte[bytes];
mSerialPort.Read(buffer, 0, bytes);
string str = mSerialPort.Encoding.GetString(buffer);
result.Value = Convert.ToDouble(str);
result.ErrCode = 0;
result.Msg = "成功";
} catch (Exception e) {
result.Msg = result.Msg + ": " + e.Message;
}
return(result);
}
ScaleDataResult IScaleDataInterpreter.ReadValue()
{
if (mSerialPort.IsOpen == false)
{
try
{
mSerialPort.Open();
}
catch (Exception e)
{
return(new ScaleDataResult(-1, "串口打开失败：" + e.Message, -1.0));
}
}
Int32 value = -1;
ScaleDataResult result = new ScaleDataResult(value, "数据解释出错", -1);
try
{
int bytes = mSerialPort.BytesToRead;
byte[] buffer = new byte[bytes];
bool isNegative = false;
mSerialPort.Read(buffer, 0, bytes);
mSerialPort.Encoding = Encoding.UTF8;
string readStr = mSerialPort.Encoding.GetString(buffer);
string oldStr = String.Empty;
if (readStr.Length >= 10)
{
string[] weightstrs;
if (readStr.Contains("-"))
{
weightstrs = readStr.Split('-');
isNegative = true;
}
else
{
isNegative = false;
weightstrs = readStr.Split('+');
}
foreach (string weightstr in weightstrs)
{
if (weightstr.Length >= 10)
{
string values = weightstr.Substring(0, 7);
if (oldStr != values)
{
if (isNegative == true)
{
values = "-" + values;
}
oldStr = values;
Double dou = Convert.ToDouble(values);
Double number = Convert.ToDouble(Math.Round((dou / 10000), 2, MidpointRounding.AwayFromZero));
result.Value = number;
result.ErrCode = 0;
result.Msg = "成功";
}
}
}
}
}
catch (Exception e)
{
result.Msg = result.Msg + " :" + e.Message;
}
return(result);
}
