Is it possible to use OTA for the Pi Pico using PlatformIO

[mblees]

Hello there,
I have found that its possible to use OTA for the PiPico when using the ArduinoIDE. However i am using PlatformIO and have a pretty sizable project in there that i wouldn't want to migrate.

I know for the ESP32 you can simple change the upload_protocol in the platformio.ini to espota and you can use OTA to flash the controller. Is there the same functionality already established for the Pi Pico family?

specifics:
controller: wiznet_5100s_evb_pico
network: ethernet

This is my first try at building the ota functionality for the controller

void init_ota(void){
    ArduinoOTA.setHostname(ota_hostname);
    ArduinoOTA.setPassword(ota_password);
    ArduinoOTA.begin(Ethernet.localIP());
}

void handle_ota(void){
    ArduinoOTA.handle();
}

And this is my current platformio.ini

[env:wiznet_5100s_evb_pico]
platform = raspberrypi
board = wiznet_5100s_evb_pico
framework = arduino

If you have any informations, it would be highly appreciated.
Poirot

[maxgerhardt]

The platform has an example exactly for that. It uses the same espota upload protocol.

https://github.com/maxgerhardt/platform-raspberrypi/tree/develop/examples/arduino-ota

We even support fancy signed OTA binaries: https://github.com/maxgerhardt/platform-raspberrypi/tree/develop/examples/arduino-signed-ota

[mblees]

You are seriously amazing, Thank you very much!

Worked first try!

[mblees]

Following up with this project I have ran into another issue. Since im now using the W5100lwIP instead of the modified Wiznet Ethernet that I had been using before:
I can't seam to use the PubSubClient anymore since the Wiznet5100lwIP class does not have the required client attribute that the other Ethernet libs provide.

My old MQTT implementation worked like this:

However PubSubClient requires the client attribute which the W5100lwIP lib doesnt provide:

[maxgerhardt]

This may seem counter-intuitive, but you actually need to create a WiFiClient instead of an EthernetClient. The WiFiClient is just an interface to the lwIP stack. The lwIP stack in your case then uses the W5100 as its transport, or an actual WiFi chip in case of a Pico W. But the interface stays the same. The WiFiClient is provided by #include <WiFi.h>, which is already auto-included by ArduinoOTA.h

[maxgerhardt]

I pushed the example code in https://github.com/maxgerhardt/pio-w5500-evb-pico-ota/tree/mqtt and it works fine on my board with a public MQTT test server by https://www.shiftr.io/try?lang=terminal.

--- Quit: Ctrl+C | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H
Booting
Waiting for Ethernet link..
Waiting for Ethernet link..
Waiting for DHCP address..
Ethernet Ready!
IP address: 192.168.0.208
Attempting MQTT connection...connected
Published 'hello world' to topic "/hello" OK!
Subscribing to topic "/hello" OK!
Message arrived [/hello] test message from desktop

When triggered as

curl -X POST "https://public:[email protected]/broker/hello" -d "test message from desktop"

[mblees]

Awesome thank you very much!