#ifndef _USBINTERFACE_H_
#define _USBINTERFACE_H_

#include <QString>
#include <functional>
#include <QLibrary>

class USBInterface
{

/* 定义函数指针 */

/* 设置产品编号，OSCA02是6 */
using SpecifyDevIdx = void(*)(int idx);
/* 打开设备，调用前需要先设置产品编号 */
using DeviceOpen = unsigned long(*)();
/* 打开指定ID的设备 */
using DeviceOpenWithID = unsigned long(*)(int ID);
/* 关闭设备 */
using DeviceClose = unsigned long(*)();
/* 开始采集数据，传入0x33开始采集 */
using USBCtrlTransSimple = unsigned long(*)(int32_t Request);
/* 示波器控制 */
using USBCtrlTrans = unsigned char(*)(unsigned char Request, unsigned short Value, unsigned long outBufSize);
/* 读取数据 */
using BufferWR = unsigned char*(*)(int index);
/* 设置缓冲区大小 */
using SetInfo = void(*)(double dataNumPerPixar, double CurrentFreq, unsigned char ChannelMask, int ZrroUniInt, unsigned int  bufferoffset, unsigned int  HWbufferSize);
/* 不知道清空什么 */
using ClearBuffer = unsigned long(*)(unsigned char objA , unsigned char objB, unsigned int Num);
/* 清空缓冲区遗留的数据 */
using ResetPipe = void(*)();
/* 将数据从示波器的SRAM拷贝到PC内存中 */
using AiReadBulkData = void(*)(unsigned int SampleCount, unsigned int EventNum, unsigned int TimeOut, unsigned char* Buffer, unsigned char Flag, unsigned int First_PacketNum);
/* 阻塞等待数据拷贝完成 */
using EventCheck = unsigned long(*)(long Timeout);


public:
    USBInterface();
    /* 加载动态库 */
    bool loadLib(const QString& libName);
    /* 指定设备编号 */
    void specifyDevId(int idx);
    /* 打开设备 */
    unsigned long devOpen();
    /* 打开设备，这个函数用于多个示波器级联时使用的，替代devOpen函数 */
    unsigned long devOpenWithID(int ID);
    /* 关闭设备 */
    unsigned long devClose();
    /* 开始采集数据命令 */
    unsigned long usbCtrlTransSimple(int32_t Request);
    /* 示波器控制命令 */
    unsigned char usbCtrlTrans(unsigned char Request, unsigned short Value);
    /* 获取缓冲区指针 */
    unsigned char* bufferWR(int index);
    /* 设置缓冲区的大小 */
    void setInfo( unsigned int  HWbufferSize);
    /* 目前不知道清空什么 */
    unsigned long clearBuffer(unsigned char objA , unsigned char objB, unsigned int Num);
    /* 清空缓冲区遗留的数据 */
    void resetPipe();
    /* 将数据从示波器的SRAM拷贝到内存中 */
    void readBulkData(unsigned int SampleCount, unsigned int EventNum, unsigned int TimeOut, unsigned char* Buffer);
    /* 阻塞等待数据拷贝完成 */
    unsigned long eventCheck(long Timeout);

private:
    QLibrary m_lib;

    SpecifyDevIdx m_specifyDevID = nullptr;
    DeviceOpen m_devOpen = nullptr;
    DeviceOpenWithID m_devOpenWithID = nullptr;
    DeviceClose m_devClose = nullptr;
    USBCtrlTransSimple m_usbCtrlTransSimple = nullptr;
    USBCtrlTrans m_usbCtrlTrans = nullptr;
    BufferWR m_bufferWR = nullptr;
    SetInfo m_setInfo = nullptr;
    ClearBuffer m_clearBuffer = nullptr;
    ResetPipe m_resetPipe = nullptr;
    AiReadBulkData m_aiReadBulkData = nullptr;
    EventCheck m_eventCheck = nullptr;
};



#endif /* USBINTERFACE_H_ */