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eloquentarduino / EloquentTinyML

Eloquent interface to Tensorflow Lite for Microcontrollers
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Not able to run the SineFromInternetExample.ino on Nano RP2040 #27

Closed KejaPower closed 3 years ago

KejaPower commented 3 years ago

Hello, I'm trying the SineFromInternetExample.ino example on my Nano RP2040 everything works fine until it tries to load the model : ml.begin(model) at that point the board is stuck. From the Serial Monitor I get : 

Model size is: 2280

Model content: 1C 0 0 0 54 46 4C 33 14 0 20 0 4 0 8 0 C 0 10 0  ... A6 C0 AD 6F DD AA 9 61 4A DD B0 B8 FF 51 3B A0 57 7E 7F 72

so it seems to me I able to get the model from the server.

Any suggestions on what I m doing wrong ?

Thanks

eloquentarduino commented 3 years ago

I had the same error with my Nano Rp2040. The first characters from the model are correct, the last ones no: it should end in 00 04 00 00 00. Since the exact same code works on the ESP32, I believe it has something to do with the WiFiNINA library. Will keep you informed as soon as I solve this issue (I already have a fix in my that need to try).

KejaPower commented 3 years ago

thanks for looking into this. I have tried other http arduino librairies with the same results. It indeed seems to point to a problem with the WifiNINA librairy. I have an ESP32 board on the way but would be great to get it working on the RP2040.

eloquentarduino commented 3 years ago

I fixed the bug, it was what I suspected. Check it out https://github.com/eloquentarduino/EloquentTinyML/blob/master/examples/SineFromInternetExample/SineFromInternetExample.ino (only changed line 97)

KejaPower commented 3 years ago

thanks , working now !