Enabled interruptable gpio on alternate function pins

stm32-rs / stm32f7xx-hal

A Rust embedded-hal HAL for all MCUs in the STM32 F7 family

Apache License 2.0

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Enabled interruptable gpio on alternate function pins #197

Closed Cryowatt closed 1 year ago

Cryowatt commented 1 year ago

I noticed while trying to use the ExtiPin trait on an Alternate function pin that the ExtiPin trait wasn't enabled. Based on examples from other STM32 hals I impl'd the trait. It appears to work correctly on my STM32F723.

closes https://github.com/stm32-rs/stm32f7xx-hal/issues/198