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I2C NAK stopping SysTick

ben239955_stm1
Associate

‎2015-07-21 10:35 PM

Posted on July 22, 2015 at 07:35

Hi there,

I'm trying to do a blocking I2C read in another interrupt. If I receive a NAK the HAL seems to crash (I'm seeing

uwTick

stop). Both the I2C interrupt and the interrupt I'm doing the read from have a lower (higher numerically) priority than the system tick timer.

Does anyone know why this could be happening?

0690X00000605IAQAY.png

Thanks!

Ben

#stm32f7 #systick
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