What are the requirements for the firmware: "install ESP firmware from URL"

[Wenjie Wu]

Can the ESP32 firmware built from the platformio.ini file in the smallvm repository be installed?

such as [env:freenovaCamera] , It’s board_build.partitions is not the same as other esp32 env.

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[env:freenovaCamera]
platform = espressif32
board = esp32doit-devkit-v1
board_build.partitions = no_ota.csv
build_flags =
    -D HAS_CAMERA
    -D BOARD_HAS_PSRAM
    -mfix-esp32-psram-cache-issue
lib_deps =
    WebSockets
    256dpi/MQTT

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[John Maloney]

Most of the MicroBlocks ESP32 and ESP8266 virtual machines (.bin files) can be downloaded as URL's.

However, at the moment this mechanism works only with the 1 Mbyte code partition. Thus, the camera, BLE, and Octo builds all require 2 Mbyte code partitions won't work with mechanism.

Of course, those are some of the VM's that would be the most interesting to download, so I will fix that limitation.

I will add a tweak to make the mechanism use a 2 Mbyte partition for .bin files that are over 1 Mbyte.

[Wenjie Wu]

However, at the moment this mechanism works only with the 1 Mbyte code partition. Thus, the camera, BLE, and Octo builds all require 2 Mbyte code partitions won't work with mechanism.

Yes, that's exactly what I'm worried about. It’s great you're thinking about it !

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[John Maloney]

This will be fixed in the next pilot release. (Tested with esp32-ble firmware.)

[Wenjie Wu]

Awesome 🎉