This is a PlatformIO compilable version of the azure-iot-arduino repository for ESP32. Please refer to this repository for its documentation of samples and configuration options of the Azure IoT SDK et cetera.
See platformio.ini. Currently, the platform.local.txt is replicated by using build_flags. These build flags currently select -DDONT_USE_UPLOADTOBLOB -DUSE_BALTIMORE_CERT -DUSE_MBEDTLS.
Replace -DUSE_BALTIMORE_CERT with other defines, as can be found in the certs.c file of the AzureIoTHub library.
Simply clone the project and run pio run on it. If you've only installed PlatformIO as a VSCode plugin, use the PlatformIO home screen plus the "Open Project" button to simply open the project. Compilation should result in
Advanced Memory Usage is available via "PlatformIO Home > Project Inspect"
RAM: [= ] 12.1% (used 39712 bytes from 327680 bytes)
Flash: [======= ] 69.1% (used 905311 bytes from 1310720 bytes)
esptool.py v2.6
===================================== [SUCCESS] Took 24.58 seconds =====================================