/**@brief Function for handling the timeout that delays reporting buttons as pushed.
*
* @details The detection_delay_timeout_handler(...) is a call-back issued from the app_timer
* module. It is called with the p_context parameter. The p_context parameter is
* provided to the app_timer module when a timer is started, using the call
* @ref app_timer_start. On @ref app_timer_start the p_context will be holding the
* currently pressed buttons.
*
* @param[in] p_context Pointer used for passing information app_start_timer() was called.
* In the app_button module the p_context holds information on pressed
* buttons.
*/
static void detection_delay_timeout_handler(void * p_context)
{
uint32_t err_code;
uint32_t current_state_pins;
// Get current state of pins.
err_code = app_gpiote_pins_state_get(m_gpiote_user_id, ¤t_state_pins);
if (err_code != NRF_SUCCESS)
{
return;
}
uint8_t i;
// Pushed button(s) detected, execute button handler(s).
for (i = 0; i < m_button_count; i++)
{
app_button_cfg_t * p_btn = &mp_buttons[i];
if (((m_pin_transition.high_to_low & (1 << p_btn->pin_no)) != 0) && (p_btn->button_handler != NULL))
{
//If it's active high then going from high to low was a release of the button.
if(p_btn->active_state == APP_BUTTON_ACTIVE_HIGH)
{
button_handler_execute(p_btn, APP_BUTTON_RELEASE);
}
//If it's active low then going from high to low was a push of the button.
else
{
button_handler_execute(p_btn, APP_BUTTON_PUSH);
}
}
else if (((m_pin_transition.low_to_high & (1 << p_btn->pin_no)) != 0) && (p_btn->button_handler != NULL))
{
//If it's active high then going from low to high was a push of the button.
if(p_btn->active_state == APP_BUTTON_ACTIVE_HIGH)
{
button_handler_execute(p_btn,APP_BUTTON_PUSH);
}
//If it's active low then going from low to high was a release of the button.
else
{
button_handler_execute(p_btn,APP_BUTTON_RELEASE);
}
}
}
}
/**@brief Timeout handler for delaying reporting buttons as pushed.
*
* @details The detection_delay_timeout_handler(...) is a call-back issued from the app_timer
* module. It is called with the p_context parameter. The p_context parameter is
* provided to the app_timer module when a timer is started, using the call
* @ref app_timer_start. On @ref app_timer_start the p_context will be holding the
* currently pressed buttons.
*
* @param[in] p_context Pointer used for passing information app_start_timer() was called.
* In the app_button module the p_context holds information on pressed
* buttons.
*/
static void detection_delay_timeout_handler(void * p_context)
{
uint32_t err_code;
uint32_t event_pins_mask;
uint32_t current_state_pins;
uint32_t active_pins = 0;
// Get state of pins when timer was started.
event_pins_mask = (uint32_t)p_context;
// Get current state of pins.
err_code = app_gpiote_pins_state_get(m_gpiote_user_id, ¤t_state_pins);
if (err_code != NRF_SUCCESS)
{
return;
}
active_pins = current_state_pins & m_active_high_states_mask;
active_pins |= (~current_state_pins & m_active_low_states_mask);
event_pins_mask &= active_pins;
// Check if any event generating pins are still active.
if (event_pins_mask != 0)
{
uint8_t i;
// Pushed button(s) detected, execute button handler(s).
for (i = 0; i < m_button_count; i++)
{
app_button_cfg_t * p_btn = &mp_buttons[i];
if (((event_pins_mask & (1 << p_btn->pin_no)) != 0) && (p_btn->button_handler != NULL))
{
button_handler_execute(p_btn);
}
}
}
}
