1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
@external("env", "wasm_create_timer")
declare function wasm_create_timer(a: i32, b: bool, c: bool): i32;
@external("env", "wasm_timer_cancel")
declare function wasm_timer_cancel(a: i32): void;
@external("env", "wasm_timer_restart")
declare function wasm_timer_restart(a: i32, b: i32): void;
@external("env", "wasm_get_sys_tick_ms")
declare function wasm_get_sys_tick_ms(): i32;
export var timer_list = new Array<user_timer>();
export class user_timer {
timer_id: i32 = 0;
timeout: i32;
period: bool = false;
cb: () => void;
constructor(cb: () => void, timeout: i32, period: bool) {
this.cb = cb;
this.timeout = timeout;
this.period = period
this.timer_id = timer_create(this.timeout, this.period, true);
}
}
export function timer_create(a: i32, b: bool, c: bool): i32 {
return wasm_create_timer(a, b, c);
}
export function setTimeout(cb: () => void, timeout: i32): user_timer {
var timer = new user_timer(cb, timeout, false);
timer_list.push(timer);
return timer;
}
export function setInterval(cb: () => void, timeout: i32): user_timer {
var timer = new user_timer(cb, timeout, true);
timer_list.push(timer);
return timer;
}
export function timer_cancel(timer: user_timer): void {
wasm_timer_cancel(timer.timer_id);
var i = 0;
for (i = 0; i < timer_list.length; i++) {
if (timer_list[i].timer_id == timer.timer_id)
break;
}
timer_list.splice(i, 1);
}
export function timer_restart(timer: user_timer, interval: number): void {
wasm_timer_restart(timer.timer_id, i32(interval));
}
export function now(): i32 {
return wasm_get_sys_tick_ms();
}
// This export function need to be copied to the top application file
//
export function on_timer_callback(on_timer_id: i32): void {
for (let i = 0; i < timer_list.length; i++) {
if (timer_list[i].timer_id == on_timer_id) {
timer_list[i].cb();
}
}
}
|
