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Problem in communication of STM32F429 with STMPE811

Question asked by Ali H. on Aug 25, 2017
Latest reply on Sep 6, 2017 by Ali H.

Hello,

I used STM32F429 for communicating with STMPE811 through SPI port.

In the beginning, I read chip ID of STMPE811 in order to make sure communication is correct.

Sometimes, IC doesn't return anything. I set the pins in order to make sure correct mode of SPI is

selected but it seems that IC is in reset mode and it didn't return anything.

I have to turn ON and OFF my board several times in order to get the functionality back.

I appreciate if someone could help me

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