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[tattlekey] / client / press.h
1 #ifndef SENDS_H
2 #define SENDS_H
3
4 #include "pico/cyw43_arch.h"
5 #include "pico/util/pheap.h"
6
7 typedef struct {
8 uint32_t timestamp;
9 u16_t seq;
10 u8_t send_count;
11 } press_t;
12
13 typedef struct {
14 press_t *presses;
15 pheap_t *sleeps_heap;
16 } press_pile_t;
17
18 press_pile_t *create_press_pile();
19
20 /* Adds this press to the pile.
21 * Copies the contents of `press`. */
22 void add_press(press_pile_t *pp, press_t *press);
23
24 /* When do we next need to send something (in seconds since boot)?
25 * Returns -1 if there's nothing pending. */
26 int32_t next_scheduled_send(press_pile_t *pp);
27
28 /* Find a press ready for resend at or before `now`.
29 * Move it out of the press-pile `pp` and into into `press`.
30 * Or return false if there is no press due for re-send. */
31 bool get_press_due_for_resend(press_pile_t *pp, uint32_t now, press_t *press);
32
33 #endif