Method setConfiguration

src/usb_control.cpp:195–215

#define WRITE_LIBUSB_ERROR(__RESULT) libusb_error_name(__RESULT) << " " << libusb_strerror((libusb_error)__RESULT) << ". Try debugging with environment variable: export LIBUSB_DEBUG=3 ."

UsbControl::ResultCode UsbControl::setConfiguration()
{
  UsbControl::ResultCode code = Success;
  int desired_config_id = 1;
  int current_config_id = -1;
  int r;

  r = libusb_get_configuration(handle_, &current_config_id);
  CHECK_LIBUSB_RESULT(code, r) << "failed to get configuration! " << WRITE_LIBUSB_ERROR(r);

  if(code == Success)
  {
    if(current_config_id != desired_config_id)
    {
      r = libusb_set_configuration(handle_, desired_config_id);
      CHECK_LIBUSB_RESULT(code, r) << "failed to set configuration! " << WRITE_LIBUSB_ERROR(r);
    }
  }

  return code;
}

UsbControl::ResultCode UsbControl::claimInterfaces()
{