Init runtime environment failed

I am using latest Ubuntu server image.

rock@rockpin10 : ~/downloads/rknn-toolkit/examples/tensorflow/ssd_mobilenet_v1 $ python3 ssd.py

–> Init runtime environment

E Only support ntb mode on ARM64 platform. But can not find device with ntb mode.

E Catch exception when init runtime!

E Traceback (most recent call last):

E File “rknn/api/rknn_base.py”, line 963, in rknn.api.rknn_base.RKNNBase.init_runtime

E File “rknn/api/rknn_runtime.py”, line 161, in rknn.api.rknn_runtime.RKNNRuntime.init

E File “rknn/api/rknn_platform_utils.py”, line 268, in rknn.api.rknn_platform_utils.start_ntp_or_adb

E Exception: Init runtime environment failed!

Init runtime environment failed

I am using RKNN Toolkit 1.3.0, I had to upgrade to the latest NPU firmware (v1.3.1). It is working now.