ESP8266 Community Forum

I'm attempting to register an interrupt handler to be called when a GPIO pin changes logic level. I am trying:



But I'm not seeing the callback being invoked even though I am pretty sure that I am toggling the signal on the pin. Has anyone had any success using these functions?

Did you initialize and route (mux) the gpio properly? Some gpio's are not configured as gpio by default.

kolban wrote:I'm attempting to register an interrupt handler to be called when a GPIO pin changes logic level. I am trying:

Code: Select allvoid intrHandler(uint32 interruptMask, void *arg) {
   os_printf("Interrupted: %x\n", interruptMask);
   lastIntr = system_get_time();
   gpio_intr_ack(interruptMask);
}

gpio_intr_handler_register(intrHandler, NULL);
gpio_pin_intr_state_set(4, GPIO_PIN_INTR_NEGEDGE);

But I'm not seeing the callback being invoked even though I am pretty sure that I am toggling the signal on the pin. Has anyone had any success using these functions?

Did you manage to get it working? I am also facing similar problem and haven't managed to get it working.

Unfortunately I haven't tried again since my last post. There is enough mystery in the ESP8266 that when I get stuck, I have enough other things to go away and work on that I hope when I come back, more will be known