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43 lines
1.7 KiB
C#
43 lines
1.7 KiB
C#
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.Runtime.InteropServices;
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namespace USB2XXX
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{
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class I2C_SNIFFER
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{
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//定义函数返回错误代码
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public const Int32 SUCCESS = (0); //函数执行成功
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public const Int32 ERR_NOT_SUPPORT = (-1); //适配器不支持该函数
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public const Int32 ERR_USB_WRITE_FAIL = (-2); //USB写数据失败
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public const Int32 ERR_USB_READ_FAIL = (-3); //USB读数据失败
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public const Int32 ERR_CMD_FAIL = (-4); //命令执行失败
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//定义I2C数据类型
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public const Byte IIC_DATA_TYPE_UNKNOWN = 0;
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public const Byte IIC_DATA_TYPE_START = 1;
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public const Byte IIC_DATA_TYPE_ADDR = 2;
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public const Byte IIC_DATA_TYPE_DATA = 3;
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public const Byte IIC_DATA_TYPE_STOP = 4;
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//定义I2C数据
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public struct I2C_DATA
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{
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public Byte DataType;
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public Byte ACK;
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public Byte WriteRead;
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public Byte Data;
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public UInt16 Addr;
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public UInt64 Timestamp;
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}
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//抓取到数据之后的回调函数
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public delegate Int32 I2C_GET_DATA_HANDLE(Int32 DevHandle, Int32 Channel, [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)]I2C_DATA[] pI2CData, Int32 I2CDataNum);//接收数据回掉函数
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[DllImport("USB2XXX.dll")]
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public static extern Int32 I2C_SnifferStart(Int32 DevHandle, Byte Channel, int SampleRateHz,I2C_GET_DATA_HANDLE pGetI2CDataHandle);
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[DllImport("USB2XXX.dll")]
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public static extern Int32 I2C_SnifferStop(Int32 DevHandle);
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}
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}
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