1 /*
2  * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include "pico/timeout_helper.h"
8 
check_single_timeout_us(timeout_state_t * ts)9 static bool check_single_timeout_us(timeout_state_t *ts) {
10     return time_reached(ts->next_timeout);
11 }
12 
init_single_timeout_until(timeout_state_t * ts,absolute_time_t target)13 check_timeout_fn init_single_timeout_until(timeout_state_t *ts, absolute_time_t target) {
14     ts->next_timeout = target;
15     return check_single_timeout_us;
16 }
17 
check_per_iteration_timeout_us(timeout_state_t * ts)18 static bool check_per_iteration_timeout_us(timeout_state_t *ts) {
19     if (time_reached(ts->next_timeout)) {
20         return true;
21     }
22     ts->next_timeout = make_timeout_time_us(ts->param);
23     return false;
24 }
25 
init_per_iteration_timeout_us(timeout_state_t * ts,uint64_t per_iteration_timeout_us)26 check_timeout_fn init_per_iteration_timeout_us(timeout_state_t *ts, uint64_t per_iteration_timeout_us) {
27     ts->next_timeout = make_timeout_time_us(per_iteration_timeout_us);
28     ts->param = per_iteration_timeout_us;
29     return check_per_iteration_timeout_us;
30 }
31