Cernel/main.cpp at master · ZegesMenden/Cernel · GitHub

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
81
82
83
84
#include <stdio.h>
#include "pico/stdlib.h"

extern "C" {
    #include "kernel.h"
    #include "klogging.h"
}

void thread0(void* args) {

    const char* TAG = "thread0";

    while(1) {
        LOGI(TAG, "this is a message from thread 0!");

        threadtime_t t_preyield = thread_gettime();
        thread_yield(thread_ustotime(1000000));
        threadtime_t t_postyield = thread_gettime();

        LOGI(TAG, "I was yielded for %llu uS", thread_timetous(t_postyield - t_preyield));
    }

}


void thread1(void* args) {

    const char* TAG = "thread1";

    while(1) {
        LOGI(TAG, "this is a message from thread 1!");

        threadtime_t t_preyield = thread_gettime();
        thread_yield(thread_ustotime(500000));
        threadtime_t t_postyield = thread_gettime();

        LOGI(TAG, "I was yielded for %llu uS", thread_timetous(t_postyield - t_preyield));
    }

}


void thread2(void* args) {

    const char* TAG = "thread2";

    while(1) {
        LOGI(TAG, "this is a message from thread 2!");

        threadtime_t t_preyield = thread_gettime();
        thread_yield(thread_ustotime(100000));
        threadtime_t t_postyield = thread_gettime();

        LOGI(TAG, "I was yielded for %llu uS", thread_timetous(t_postyield - t_preyield));
    }

}

void threadidle(void* args) {

    while(1) {
        thread_yield(0);
    }

}

int main()
{
    stdio_init_all();

    getchar();

    thread_create(thread0, NULL, (threadpriority_t)thread_idle_priority + 1, "task0");
    thread_create(thread1, NULL, (threadpriority_t)thread_idle_priority + 1, "task1");
    thread_create(thread2, NULL, (threadpriority_t)thread_idle_priority + 1, "task2");
    thread_create(threadidle, NULL, (threadpriority_t)thread_idle_priority + 1, "idle");

    thread_begin();

    while (true) {
        printf("erm...\n");
        sleep_ms(1000);
    }
}