Implemented printer status retrieval

src/libusbwrap/UsbDevice.hpp

@@ -4,6 +4,7 @@
 #include <cstddef>
 
 #include "libusb.h"
+#include "libusbwrap/LibUsbTypes.hpp"
 #include "libusbwrap/interface/IUsbDevice.hpp"
 
 namespace libusbwrap {
@@ -16,9 +17,16 @@ class UsbDevice : public IUsbDevice {
     UsbDevice(const UsbDevice&)      = delete;
     UsbDevice& operator=(UsbDevice&) = delete;
 
-    Error open() override;
+    bool open() override;
     void close() override;
 
+    // libusb wrappers
+    bool detachKernelDriver(int interfaceNo) override;
+    bool claimInterface(int interfaceNo) override;
+    bool releaseInterface(int interfaceNo) override;
+    bool bulkTransfer(uint8_t endpoint, std::vector<uint8_t>& data, int* tx,
+                      unsigned int timeout) override;
+
     // getters
     const uint16_t getVid() override;
     const uint16_t getPid() override;
@@ -26,11 +34,16 @@ class UsbDevice : public IUsbDevice {
     const uint8_t getBusNumber() override;
     const uint8_t getPortNumber() override;
 
+    // errors
+    const Error getLastError() override;
+    const std::string getLastErrorString() override;
+
    private:
     libusb_context* mLibusbCtx{nullptr};
     libusb_device* mLibusbDev{nullptr};
     libusb_device_handle* mLibusbDevHandle{nullptr};
     libusb_device_descriptor mLibusbDevDesc;
     std::atomic<bool> mIsOpen = false;
+    Error mLastError          = Error::SUCCESS;
 };
 }  // namespace libusbwrap