Re-implemented USB device enumeration with new structure

src/libusbwrap/UsbDevice.cpp

@@ -1,35 +1,52 @@
 #include "libusbwrap/UsbDevice.hpp"
 
+#include <stdexcept>
+
+#include "libusb.h"
 #include "libusbwrap/interface/IUsbDevice.hpp"
 
 namespace libusbwrap {
-UsbDevice::UsbDevice() {}
+UsbDevice::UsbDevice(libusb_context* ctx, libusb_device* dev) : mLibusbCtx(ctx), mLibusbDev(dev) {
+    if (mLibusbCtx == nullptr || mLibusbDev == nullptr) {
+        throw std::invalid_argument("ctx or device are nullptr");
+    }
 
-UsbDevice::~UsbDevice() {}
-
-Error UsbDevice::open() {
-    return Error::SUCCESS;
+    libusb_get_device_descriptor(dev, &mLibusbDevDesc);
 }
 
-void UsbDevice::close() {}
+UsbDevice::~UsbDevice() {
+    // only free the device, not the context, which is shared between every device
+    // the UsbDeviceFactory will take care of that
+    if (mIsOpen) {
+        close();
+    }
+}
+
+Error UsbDevice::open() {
+    return static_cast<Error>(libusb_open(mLibusbDev, &mLibusbDevHandle));
+}
+
+void UsbDevice::close() {
+    libusb_close(mLibusbDevHandle);
+}
 
 const uint16_t UsbDevice::getVid() {
-    return 0x0000;
+    return mLibusbDevDesc.idVendor;
 }
 
 const uint16_t UsbDevice::getPid() {
-    return 0x0000;
+    return mLibusbDevDesc.idProduct;
 }
 
 const device::Speed UsbDevice::getSpeed() {
-    return device::Speed::FULL;
+    return static_cast<device::Speed>(libusb_get_device_speed(mLibusbDev));
 }
 
 const uint8_t UsbDevice::getBusNumber() {
-    return 0;
+    return libusb_get_bus_number(mLibusbDev);
 }
 
 const uint8_t UsbDevice::getPortNumber() {
-    return 0;
+    return libusb_get_port_number(mLibusbDev);
 }
 }  // namespace libusbwrap