47 lines
1.4 KiB
C#
47 lines
1.4 KiB
C#
namespace Xylem.Common.Ui.GenesisToolBox.Infrastructure
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{
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using System;
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using System.Runtime.InteropServices;
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public class TemperatureSource : IDisposable
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{
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[DllImport("GMH3x32E.dll")]
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public static extern Int16 UniversalOpenCom(Int16 ini16COMPortNumber, UInt32 inui32BaudRate, Int16 inui16ConverterType, Int16 ini16Parity, Int16 ini16StoppBits);
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[DllImport("GMH3x32E.dll")]
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public static extern Int16 GMH_CloseCom();
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[DllImport("GMH3x32E.dll")]
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unsafe public static extern Int16 GMH_Transmit(Int16 ini16DeviceAddress, Int16 ini16TransmitCode, Int16* refi16ptrPriority, double* refdblptrFloatValue, Int32* refi32ptrIntegerValue);
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public TemperatureSource()
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{
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UniversalOpenCom(Appsettings.GMHPort, 4800, 8, 0, 0);
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}
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public double GetTemperature()
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{
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try
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{
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var result = default(short);
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var priority = default(short);
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var temperature = double.MinValue;
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var value = default(int);
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unsafe
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{
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result = GMH_Transmit(1, 0, &priority, &temperature, &value);
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}
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return temperature;
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}
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catch (Exception e)
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{
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return 0;
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}
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}
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public void Dispose()
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=> GMH_CloseCom();
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}
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} |