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How to conveniently read GPIO while it is in AF mode ?

Question asked by yy.hh on Nov 5, 2015
Latest reply on Nov 5, 2015 by yy.hh
I'm interfacing with TI CC1101, it need to check MISO pin to low before start SPI transaction.

Shall I change MISO pin to AF mode to Input mode before I read, and then change it back to AF mode to start SPI.

Is  there a convenient way to do so ? ( I think GPIO_Init is a little overhead )

Or I can just read the pin as normal input pin in AF mode ?