86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
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/**
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* @file LinuxUsbDevice.h
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* @brief Linux平台USB设备实现
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*/
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#ifndef USB2CAN_LINUX_USB_DEVICE_H
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#define USB2CAN_LINUX_USB_DEVICE_H
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#include "UsbDevice.h"
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#if defined(__linux__) || defined(__APPLE__)
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#include <libusb.h>
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#endif
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namespace usb2can {
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namespace usb {
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/**
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* @brief Linux平台USB设备实现类
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*/
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class LinuxUsbDevice : public UsbDevice {
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public:
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LinuxUsbDevice(platform::Platform* platform);
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~LinuxUsbDevice() override;
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bool open(const std::string& devicePath) override;
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void close() override;
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bool isOpen() const override;
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int write(const uint8_t* data, size_t size, int timeout = 1000) override;
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int read(uint8_t* data, size_t size, int timeout = 1000) override;
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bool getDeviceInfo(UsbDeviceInfo& info) override;
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std::string getDevicePath() const override;
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private:
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platform::Platform* platform_; ///< 平台实例
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void* deviceHandle_; ///< 设备句柄
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std::string devicePath_; ///< 设备路径
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bool isOpen_; ///< 设备是否已打开
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UsbDeviceInfo deviceInfo_; ///< 设备信息
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uint8_t inEndpoint_; ///< 输入端点
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uint8_t outEndpoint_; ///< 输出端点
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#if defined(__linux__) || defined(__APPLE__)
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libusb_context* ctx_; ///< libusb上下文
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std::vector<libusb_endpoint_descriptor> endpoints_; ///< 端点描述符列表
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#endif
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/**
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* @brief 初始化libusb
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* @return 操作成功返回true，否则返回false
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*/
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bool initializeLibUsb();
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/**
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* @brief 获取libusb设备句柄
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* @return libusb设备句柄
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*/
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libusb_device_handle* getLibusbHandle() const;
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/**
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* @brief 获取USB设备描述符
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* @param descriptor 设备描述符
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* @return 操作成功返回true，否则返回false
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*/
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bool getDeviceDescriptor(libusb_device_descriptor& descriptor);
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/**
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* @brief 获取USB字符串描述符
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* @param descIndex 描述符索引
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* @return 字符串描述符内容
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*/
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std::string getStringDescriptor(uint8_t descIndex);
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/**
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* @brief 查找USB设备的端点
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* @param inEndpoint 输入端点
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* @param outEndpoint 输出端点
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* @return 操作成功返回true，否则返回false
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*/
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bool findEndpoints(uint8_t& inEndpoint, uint8_t& outEndpoint);
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};
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} // namespace usb
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} // namespace usb2can
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#endif // USB2CAN_LINUX_USB_DEVICE_H
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