That is exactly what the gpio isr service does for you Sorry for keeping alive back a topic after several years but this is my question too. how do GPIO ISR service want to handle this? In my project I need several external GPIO interrupts, but I'm wondering what would happen if two or more pins tr...

Hi folks. In my case, I should use SPI peripherals for some devices separately. As the number of SPI peripherals is limited, I want to implement software SPI with GPIO, Timer (if needed), DMA, etc. Truly I couldn't find any good solution. I implemented It with GPIO but the Software SPI frequency is ...