/**@brief Function for scheduling a Timer Start operation.
*
* @param[in] user_id Id of user calling this function.
* @param[in] timer_id Id of timer to start.
* @param[in] timeout_initial Time (in ticks) to first timer expiry.
* @param[in] timeout_periodic Time (in ticks) between periodic expiries.
* @param[in] p_context General purpose pointer. Will be passed to the timeout handler when
* the timer expires.
* @return NRF_SUCCESS on success, otherwise an error code.
*/
static uint32_t timer_start_op_schedule(timer_user_id_t user_id,
timer_node_t * p_node,
uint32_t timeout_initial,
uint32_t timeout_periodic,
void * p_context)
{
uint8_t last_index;
timer_user_op_t * p_user_op = user_op_alloc(&mp_users[user_id], &last_index);
if (p_user_op == NULL)
{
return NRF_ERROR_NO_MEM;
}
p_user_op->op_type = TIMER_USER_OP_TYPE_START;
p_user_op->p_node = p_node;
p_user_op->params.start.ticks_at_start = rtc1_counter_get();
p_user_op->params.start.ticks_first_interval = timeout_initial;
p_user_op->params.start.ticks_periodic_interval = timeout_periodic;
p_user_op->params.start.p_context = p_context;
user_op_enque(&mp_users[user_id], last_index);
timer_list_handler_sched();
return NRF_SUCCESS;
}
static uint32_t timer_start_op_schedule(timer_node_t * p_node,
uint32_t timeout_initial,
uint32_t timeout_periodic,
void * p_context)
{
uint8_t last_index;
uint32_t err_code = NRF_SUCCESS;
CRITICAL_REGION_ENTER();
timer_user_op_t * p_user_op = user_op_alloc(&last_index);
if (p_user_op == NULL)
{
err_code = NRF_ERROR_NO_MEM;
}
else
{
p_user_op->op_type = TIMER_USER_OP_TYPE_START;
p_user_op->p_node = p_node;
p_user_op->params.start.ticks_at_start = rtc1_counter_get();
p_user_op->params.start.ticks_first_interval = timeout_initial;
p_user_op->params.start.ticks_periodic_interval = timeout_periodic;
p_user_op->params.start.p_context = p_context;
user_op_enque(last_index);
}
CRITICAL_REGION_EXIT();
if (err_code == NRF_SUCCESS)
{
timer_list_handler_sched();
}
return err_code;
}
/**@brief Function for scheduling a Timer Stop operation.
*
* @param[in] timer_id Id of timer to stop.
* @param[in] op_type Type of stop operation
*
* @return NRF_SUCCESS on successful scheduling a timer stop operation. NRF_ERROR_NO_MEM when there
* is no memory left to schedule the timer stop operation.
*/
static uint32_t timer_stop_op_schedule(timer_node_t * p_node,
timer_user_op_type_t op_type)
{
uint8_t last_index;
uint32_t err_code = NRF_SUCCESS;
CRITICAL_REGION_ENTER();
timer_user_op_t * p_user_op = user_op_alloc(&last_index);
if (p_user_op == NULL)
{
err_code = NRF_ERROR_NO_MEM;
}
else
{
p_user_op->op_type = op_type;
p_user_op->p_node = p_node;
user_op_enque(last_index);
}
CRITICAL_REGION_EXIT();
if (err_code == NRF_SUCCESS)
{
timer_list_handler_sched();
}
return err_code;
}
/**@brief Function for scheduling a Timer Stop All operation.
*
* @param[in] user_id Id of user calling this function.
*/
static uint32_t timer_stop_all_op_schedule(timer_user_id_t user_id)
{
timer_user_op_t * p_user_op = user_op_alloc(&mp_users[user_id]);
if (p_user_op == NULL)
{
return NRF_ERROR_NO_MEM;
}
p_user_op->op_type = TIMER_USER_OP_TYPE_STOP_ALL;
p_user_op->timer_id = TIMER_NULL;
timer_list_handler_sched();
return NRF_SUCCESS;
}
/**@brief Function for scheduling a Timer Stop All operation.
*
* @param[in] user_id Id of user calling this function.
*/
static uint32_t timer_stop_all_op_schedule(timer_user_id_t user_id)
{
uint8_t last_index;
timer_user_op_t * p_user_op = user_op_alloc(&mp_users[user_id], &last_index);
if (p_user_op == NULL)
{
return NRF_ERROR_NO_MEM;
}
p_user_op->op_type = TIMER_USER_OP_TYPE_STOP_ALL;
p_user_op->p_node = NULL;
user_op_enque(&mp_users[user_id], last_index);
timer_list_handler_sched();
return NRF_SUCCESS;
}