/**
* @brief Function for enabling event on pin (if not yet enabled) or disabling the event if no other
* user requires it.
*
* @param pin Pin to enable
* @param enable If true function will attempt to enable the pin else it will attempt to disable it.
*/
static void pin_event_enable(uint32_t pin, bool enable)
{
uint32_t i;
uint32_t pin_mask = 1UL << pin;
bool enabled = false;
//search if any user already enabled given pin
for (i = 0; i < m_user_count; i++)
{
if (mp_users[i].enabled && (mp_users[i].pins_mask & pin_mask))
{
enabled = true;
break;
}
}
if (!enabled)
{
if (enable)
{
m_last_pins_state = nrf_gpio_pins_read();
nrf_drv_gpiote_in_event_enable(pin, true);
}
else
{
nrf_drv_gpiote_in_event_disable(pin);
}
}
}
void gpio_input_disable_all(void) {
uint8_t i;
for (i=0; i<_gpio_count; ++i) {
uint8_t pin_no = _gpio_cfgs[i].pin_no;
if (_pin_direction[pin_no] == PIN_GPIOTE_IN ||
_pin_direction[pin_no] == PIN_PORT_IN) {
nrf_drv_gpiote_in_event_disable(pin_no);
}
}
}
uint32_t app_button_disable(void)
{
ASSERT(mp_buttons);
uint32_t i;
for (i = 0; i < m_button_count; i++)
{
nrf_drv_gpiote_in_event_disable(mp_buttons[i].pin_no);
}
// Make sure polling timer is not running.
return app_timer_stop(m_detection_delay_timer_id);
}
IOEventFlags jshPinWatch(Pin pin, bool shouldWatch) {
if (!jshIsPinValid(pin)) return EV_NONE;
uint32_t p = (uint32_t)pinInfo[pin].pin;
if (shouldWatch) {
nrf_drv_gpiote_in_config_t cls_1_config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(true);
nrf_drv_gpiote_in_init(p, &cls_1_config, jsvPinWatchHandler);
nrf_drv_gpiote_in_event_enable(p, true);
return jshGetEventFlagsForWatchedPin(p);
} else {
nrf_drv_gpiote_in_event_disable(p);
return EV_NONE;
}
} // start watching pin - return the EXTI associated with it
void gpio_irq_disable(gpio_irq_t *obj)
{
m_gpio_irq_enabled &= ~((gpio_mask_t)1 << obj->ch);
nrf_drv_gpiote_in_event_disable(obj->ch);
}
