Bin Li

`hexnn_controller_request_unsigned_pd()` should be called to use unsigned PD on phone with secure boot on.

I just synced this repo, you can find it from [here](https://github.com/XiaoMi/nnlib/blob/6c9c4fba4b1d9499574e83f563d87c8b89110ec2/hexagon/src/interface.c#L1251).

Don't replace the file hexagon_nn.h.

You can check if your device supports running models on DSP, please refer to [Supported devices](https://mace.readthedocs.io/en/latest/user_guide/quantization_usage.html#supported-devices).

The current version is 0x20f00, so it's not supposed to be 0x20600. Did you push the libhexagon_nn_skel.so?

Please paste the log of: adb logcat

The outputs used in "image_classify.cc" should be "MobilenetV1/Logits/Conv2d_1c_1x1/BiasAdd:0" as Hexagon NN does not support Op Squeeze which is just front of Softmax. As for the adb log, please provide the...

Did you push "libcdsprpc.so" to your phone before? Where did you remove it from?

OK, libcdsprpc.so is only used to build libmace and should not be used later, as every device which supports Hexagon DSP is shipped with a libcdsprpc.so. I'll try to clarify...