Preparing a custom version of MicroPython with TensorFlow
Introduction
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cd ../micropython/mpy_cross
make
cd .. (the micropython folder of tflite-micro-micropython)
Changed:
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git apply ../boards/esp32/MICROLITE_SPIRAM_CAM/micropython.patch !MicroPython allocates the full SPIRAM installed on the esp32-cam module for its heap. However, the esp32-camera driver needs some SPIRAM for its image buffer. The patch modifies main.c in micropython/ports/esp32 such that part of the SPIRAM is kept free for the camera driver.
> >
git apply ../boards/esp32/MICROLITE_SPIRAM_CAM/micropython.patch MicroPython allocates the full SPIRAM installed on the esp32-cam module for its heap. However, the esp32-camera driver needs some SPIRAM for its image buffer. The patch modifies main.c in micropython/ports/esp32 such that part of the SPIRAM is kept free for the camera driver.
cd boards/esp32/MICROLITE_SPIRAM_16M (when using the TTGO T7 Mini32 V1.5 ESP32-WROVER-B CPU board)
idf.py clean build (this builds the MicroPython firmware)