C:\Program Files\Azure Kinect SDK\tools\amd64\release>AzureKinectFirmwareTool.exe -l
== Azure Kinect DK Firmware Tool ==
Found 1 connected devices:
[2019-03-02 08:09:58.645] [error] [t=23232] [K4A] D:\a\1\s\extern\Azure-Kinect-Sensor-SDK\src\usbcommand\usbcommand.c (306): find_libusb_device(). Unable to open LIBUSB at index 0
[2019-03-02 08:09:58.647] [error] [t=23232] [K4A] D:\a\1\s\extern\Azure-Kinect-Sensor-SDK\src\depth_mcu\depth_mcu.c (68): usb_cmd_create(USB_DEVICE_DEPTH_PROCESSOR, device_index, NULL, &depthmcu->usb_cmd) returned failure in depthmcu_create()
ERROR: 0: Failed to open device
[2019-03-02 08:09:58.647] [error] [t=23232] [K4A] Invalid depthmcu_t 0000000000000000
[2019-03-02 08:09:58.647] [error] [t=23232] [K4A] D:\a\1\s\extern\Azure-Kinect-Sensor-SDK\src\depth_mcu\depth_mcu.c (101): Invalid argument to depthmcu_get_serialnum(). depthmcu_handle (0000000000000000) is not a valid handle of type depthmcu_t
ERROR: 0: Failed to get serial number length
[2019-03-02 08:09:58.648] [error] [t=23232] [K4A] Invalid depthmcu_t 0000000000000000
[2019-03-02 08:09:58.648] [error] [t=23232] [K4A] D:\a\1\s\extern\Azure-Kinect-Sensor-SDK\src\depth_mcu\depth_mcu.c (87): Invalid argument to depthmcu_destroy(). depthmcu_handle (0000000000000000) is not a valid handle of type depthmcu_t
Example output with power cable disconnected
C:\Program Files\Azure Kinect SDK\tools\amd64\release>AzureKinectFirmwareTool.exe -l == Azure Kinect DK Firmware Tool == Found 1 connected devices: [2019-03-02 08:09:58.645] [error] [t=23232] [K4A] D:\a\1\s\extern\Azure-Kinect-Sensor-SDK\src\usbcommand\usbcommand.c (306): find_libusb_device(). Unable to open LIBUSB at index 0 [2019-03-02 08:09:58.647] [error] [t=23232] [K4A] D:\a\1\s\extern\Azure-Kinect-Sensor-SDK\src\depth_mcu\depth_mcu.c (68): usb_cmd_create(USB_DEVICE_DEPTH_PROCESSOR, device_index, NULL, &depthmcu->usb_cmd) returned failure in depthmcu_create() ERROR: 0: Failed to open device [2019-03-02 08:09:58.647] [error] [t=23232] [K4A] Invalid depthmcu_t 0000000000000000 [2019-03-02 08:09:58.647] [error] [t=23232] [K4A] D:\a\1\s\extern\Azure-Kinect-Sensor-SDK\src\depth_mcu\depth_mcu.c (101): Invalid argument to depthmcu_get_serialnum(). depthmcu_handle (0000000000000000) is not a valid handle of type depthmcu_t ERROR: 0: Failed to get serial number length [2019-03-02 08:09:58.648] [error] [t=23232] [K4A] Invalid depthmcu_t 0000000000000000 [2019-03-02 08:09:58.648] [error] [t=23232] [K4A] D:\a\1\s\extern\Azure-Kinect-Sensor-SDK\src\depth_mcu\depth_mcu.c (87): Invalid argument to depthmcu_destroy(). depthmcu_handle (0000000000000000) is not a valid handle of type depthmcu_t