Hi everyone,
I suppose that this is a simple question but I cannot figure out what I am doing wrong. I am trying to set up an interrupt for a GPIO
I call the createInterrupt() function on the main() to configure, initialize and enable the interrupt.
void createInterrupt() {
nrf_drv_gpiote_init(); //Initialize GPIOTE module
// configuration
nrf_drv_gpiote_in_config_t in_config = GPIOTE_CONFIG_IN_SENSE_HITOLO(true); // Indicates that the input pin (WC_CHG) will generate an event when the input value is changed from HIGH to LOW, meaning that the system has been placed on the charger
in_config.pull = NRF_GPIO_PIN_PULLUP; // Configure the pin to have pull-up
nrf_drv_gpiote_in_init(WC_CHG, &in_config, chargingInterrupt); // Initialize the interrupt
nrf_drv_gpiote_in_event_enable(WC_CHG, true); // Enable event and corresponding interrupt
}
I want to interrupt from HIGH to LOW so, during configuration I enable the pull up resistor of WC_CHG. However, I do not measure any voltage on WC_CHG (this is GPIO P1.14) after compiling the code.. I was expecting to measure the source of the pull-up resistor. Is this normal?
Do I have to take anything else into account while creating the interrupt?
Thanks in advance
Nick
