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Configuring GPO on the M24SR

Question asked by Angus Holder on Jun 27, 2017

I am controlling the M24SR from a STM32F030R8 over I2C, trying to configure it so the GPO pin is triggered by the SendInterrupt command over RF. I have been working from the example code given here calling

M24SR_ManageGPO(INTERRUPT, RF_GPO);

which always returns `M24SR_ERROR_I2CTIMEOUT` and I can't work out why.

 

I am able to talk to the M24SR from my STM32 board, having successfully used it to store a URI into the NDEF storage.

 

As far as I can see, there isn't any prerequesites to calling M24SR_ManageGPO, so I can't work out what I'm doing wrong. Any help would be appreciated thank you

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