Added Usb Detection using libUsb

inc/IUsb.hpp

@@ -1,6 +1,7 @@
 #include "UsbTypes.hpp"
 
 #include <vector>
+#include <optional>
 
 #pragma once
 
@@ -8,9 +9,9 @@ namespace ptprnt::driver {
 
 class IUsb {
    public:
-    virtual ~IUsb(){};
+    virtual ~IUsb() = default;
 
-    virtual std::vector<UsbDevice> listDevices() = 0;
+    virtual std::optional<std::vector<UsbDevice>> getDevices() = 0;
 };
 
 }  // namespace ptprnt::driver

inc/P700Driver.hpp

@@ -1,20 +1,29 @@
 #include "IDriver.hpp"
 
 #include <cstdint>
+#include <memory>
+
+#include "Usb.hpp"
 
 #pragma once
 
 namespace ptprnt::driver {
 
 class P700Driver : public IDriver {
-   public:
-    P700Driver(uint16_t UsbDevVendor = 0x04f9, uint16_t UsbDevId = 0x2061);
+ public:
+    P700Driver(std::shared_ptr<Usb> usbDriver, uint16_t usbDevVendor = 0x04f9, uint16_t usbDevId = 0x2061);
     ~P700Driver() override;
 
     driver::info getInfo() override;
     bool open() override;
     bool close() override;
     bool command() override;
+
+ private:
+    std::shared_ptr<Usb> mUsbDriver{0};
+    UsbDevice mUsbDev{0};
+
+    bool init();
 };
 
 }  // namespace ptprnt::driver

inc/Usb.hpp

@@ -1,4 +1,5 @@
 #include "IUsb.hpp"
+#include "UsbTypes.hpp"
 
 #include <libusb-1.0/libusb.h>
 
@@ -8,13 +9,13 @@ namespace ptprnt::driver {
 
 class Usb : public IUsb {
  public:
-   Usb();
-   ~Usb() override;
+    Usb();
+    ~Usb() override;
 
-   std::vector<UsbDevice> listDevices() override;
+    std::optional<std::vector<UsbDevice>> getDevices() override;
 
  private: 
-  
+    std::vector<UsbDevice> mDevices{};
 };
 
 }  // namespace ptprnt::driver

inc/UsbTypes.hpp

@@ -6,6 +6,8 @@
 namespace ptprnt::driver {
 
 struct UsbDevice {
+    uint16_t vendorId{0};
+    uint16_t productId{0};
     libusb_device* dev{nullptr};
     libusb_device_handle* hndl{nullptr};
 };