2024年4月11日发(作者：)

USB HID设备读写代码实现c++

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源代码如下:(生成.dll .lib)

erface.h

/*

*MCDInterface.h

*author:

*data:

*/

#ifndef MCDBOX_H_INCLUDED

#define MCDBOX_H_INCLUDED

#pragma once

#define MCD_IOCTRL_OPEN_SIG 0x1001

#define MCD_IOCTRL_CLOSE_SIG 0x1002

#define MCD_IOCTRL_FIND_SIG 0x1003

#define MCD_IOCTRL_READY 0x1003

#define MCD_IOCTRL_UNREADY 0x1004

#define KEY_0 0x3A

#define KEY_1 0x3B

#define KEY_2 0x3C

#define KEY_3 0x3D

#define KEY_4 0x3E

#define KEY_5 0x3F

#define KEY_6 0x40

#define KEY_7 0x41

#define KEY_8 0x42

#define KEY_9 0x43

#define KEY_STAR 0x44

#define KEY_POUND 0x45

#define MSG_HOOKOFF 0x16

#define MSG_HOOKON 0x12

#define MSG_RINGING 0x15

#define HID_DEVICE_REMOVE 0x76 //硬件被移走

#define CLIENT_READY_WRITE_SIG 0x92 //通知设备软件正在运行，每隔一段

时间向缓冲区写该数据

#define DLL_EXPORT __declspec(dllexport)

#define DLL_IMPORT __declspec(dllimport)

//定义用于回调的枚举消息

enum{

MCD_CALLBACK_MSG_VERSION,//not used

MCD_CALLBACK_MSG_SERIALNO,//not used

MCD_CALLBACK_DEVICE_FOUND,

MCD_CALLBACK_DEVICE_NOT_FOUND,

MCD_CALLBACK_DEVICE_REMOVE,

MCD_CALLBACK_KEYDOWN,

MCD_CALLBACK_KEYBUFFER_CHANGED,

MCD_CALLBACK_HOOKOFF,

MCD_CALLBACK_HOOKON,

MCD_CALLBACK_RINGING,

MCD_CALLBACK_MSG_WARNING = -2,

MCD_CALLBACK_MSG_ERROR = -1,

};

DLL_EXPORT unsigned long MCD_DeviceIoControl(unsigned long

dwIoControlCode,

void* lpInBuffer = 0, unsigned long nInBufferSize = 0,

void* lpOutBuffer = 0, unsigned long nOutBufferSize = 0);

//定义设备状态返回信息

enum{

MCD_RETURN_SUCCESS = 0,

MCD_RETURN_FOUND_HID,

MCD_RETURN_NO_FOUND_HID,

MCD_RETURN_HID_IS_OPENED,//?

MCD_RETURN_HID_NO_OPEN,//?

};

#endif // MCDBOX_H_INCLUDED

.h

#ifndef MCDHID_H_INCLUDED

#define MCDHID_H_INCLUDED

extern "C"

{

#include "setupapi.h"

#include "hidsdi.h"

#include "dbt.h"

}

typedef struct _HID_DEVICE {

PCHAR DevicePath;

HANDLE HidDevice; // A file handle to the hid device.

HIDP_CAPS Caps; // The Capabilities of this hid device.

HIDD_ATTRIBUTES Attributes;

} HID_DEVICE, *PHID_DEVICE;

class MCDHid

{

public: