STM32f411RE and MAX31865

[Pascal0159]

Bonjour

Je suis a la recherche d'un tuto pour lire une pt100 via le MAX31865 avec ma carte nucléo.

J'ai essayé plusieurs solutions trouvées sur github qu'il y a toujours des petits détails que je n'arrive pas à résoudre.

Je ne suis pas assez doué .

J'ai réussi avec la MAX6675 mais la je cale

J'aimerais surtout comprendre plutôt qu'une solution toute faite

Cordialement 

Pascal

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Google translate:

Good morning

I am looking for a tutorial to read a pt100 via the MAX31865 with my nucleo card.

I've tried several solutions found on github and there are always small details that I can't resolve.

I'm not good enough.

I succeeded with the MAX6675 but now I'm stuck

I would especially like to understand rather than a ready-made solution.

Sincerely 

Pascal

[Andrew Neil]

Welcome to the forum.

Please see How to write your question to maximize your chances to find a solution for best results.

The operation of the MAX31865 is totally independent of what microcontroller you use.

You need to go to its manufacturer - Analog Devices - for support with using it:

https://www.analog.com/en/products/max31865.html

There is driver code there, among other supporting resources.

As far as the STM32 goes, the MAX31865  is just an SPI slave device - it communicates with it in exactly the same way it would communicate with any other SPI slave.

ST Provide examples of how to use the STM32's SPI controller.

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@Pascal0159 wrote:

there are always small details that I can't resolve.

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You'd need to give full details of what those issues are for anyone to be able to help to resolve them - see the article linked above.

PS:

The MAX31865 is also an SPI device, so you must already have SPI comms working?

https://www.analog.com/en/products/max6675.html