ESP_igrr, thanks for your super quick reply. Attempting to your recommendations, I modified the code to have te 'errno' outputs printed. Everything went all right, and, in fact, when I removed the SD card during a read it returned me a errno 5, that is EIO. But, just to test it, I returned the slot ...

Dear Espressif, I am trying to use the full capabilities of the SDMMC driver, but, for some reason I can not make use of the CD pin on the ESP32 driver. To simplify, I'm putting below a copy of the example, already modified to use the pin 36 as the CD pin, dettached of the rest of my code. Instead o...

Thanks for the response. I actually have a slighly different problem. My interrupts are digitally generated by other IC and are slow, so dont need extra cares with debouncing, etc. I was endeed able to use xTimerPendFunctionCallFromISR, and the errors was really just foolish of mine when declaring t...

Man, if you are stupid, I am too. I have the same problem here: when an interrupt is triggered, I need to write some stuff in the SPI chip clearing one mask. That's very quick job, but don't fit inside the ISR. So I need the same as you, a way to make a callback, right after the interrupt, not allow...