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149 lines
3.7 KiB
C
149 lines
3.7 KiB
C
/*
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* Copyright (C) 2015-19 Kaspar Schleiser <kaspar@schleiser.de>
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* 2013 INRIA
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* 2017 HAW Hamburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief xtimer_msg test application
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*
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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* @author Oliver Hahm <oliver.hahm@inria.fr>
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* @author Christian Mehlis <mehlis@inf.fu-berlin.de>
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* @author Sebastian Meiling <s@mlng.net>
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* @}
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*/
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#include <stdio.h>
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#include "ztimer.h"
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#include "thread.h"
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#include "msg.h"
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#include "timex.h"
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#include "test_utils/expect.h"
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#ifdef MODULE_ZTIMER_SEC
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#define ZTIMER ZTIMER_SEC
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#define TICKS_PER_SEC 1
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#elif MODULE_ZTIMER_MSEC
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#define ZTIMER ZTIMER_MSEC
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#define TICKS_PER_SEC MS_PER_SEC
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#else
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#define ZTIMER ZTIMER_USEC
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#define TICKS_PER_SEC US_PER_SEC
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#endif
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char timer_stack[THREAD_STACKSIZE_DEFAULT];
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char timer_stack_local[THREAD_STACKSIZE_DEFAULT];
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struct timer_msg {
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ztimer_t timer;
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uint32_t interval;
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char *text;
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msg_t msg;
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};
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struct timer_msg msg_a = { .interval = (2 * TICKS_PER_SEC),
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.text = "Hello World" };
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struct timer_msg msg_b = { .interval = (5 * TICKS_PER_SEC),
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.text = "This is a Test" };
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void *timer_thread(void *arg)
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{
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(void) arg;
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printf("This is thread %" PRIkernel_pid "\n", thread_getpid());
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/* The queue is required to avoid loss of a 2nd message, when the 1st is
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* still processed. The timing ensures that at most 1 message is queued.
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*/
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msg_t msgq[1];
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msg_init_queue(msgq, 1);
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while (1) {
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msg_t m;
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msg_receive(&m);
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struct timer_msg *tmsg = m.content.ptr;
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uint32_t now = ztimer_now(ZTIMER);
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/* casts are needed to solve for sometimes TICKS_PER_SEC being UL
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* result of / and % of uint32_t will always fit into uint32_t
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*/
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printf("now=%"PRIu32":%"PRIu32" -> every %"PRIu32".%"PRIu32"s: %s\n",
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(uint32_t)(now / TICKS_PER_SEC),
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(uint32_t)(now % TICKS_PER_SEC),
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(uint32_t)(tmsg->interval / TICKS_PER_SEC),
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(uint32_t)(tmsg->interval % TICKS_PER_SEC),
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tmsg->text);
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tmsg->msg.type = 12345;
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tmsg->msg.content.ptr = tmsg;
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ztimer_set_msg(ZTIMER, &tmsg->timer, tmsg->interval, &tmsg->msg, thread_getpid());
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}
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}
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void *timer_thread_local(void *arg)
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{
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(void) arg;
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printf("This is thread %" PRIkernel_pid "\n", thread_getpid());
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while (1) {
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msg_t m;
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msg_receive(&m);
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uint32_t now = ztimer_now(ZTIMER);
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int sec = now / TICKS_PER_SEC;
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int min = sec / 60;
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int hr = sec / 3600;
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printf("sec=%d min=%d hour=%d\n", sec, min, hr);
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}
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}
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int main(void)
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{
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msg_t m;
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kernel_pid_t pid = thread_create(
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timer_stack,
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sizeof(timer_stack),
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THREAD_PRIORITY_MAIN - 1,
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0,
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timer_thread,
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NULL,
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"timer");
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expect(pid_is_valid(pid));
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puts("sending 1st msg");
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m.content.ptr = &msg_a;
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msg_try_send(&m, pid);
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puts("sending 2nd msg");
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m.content.ptr = &msg_b;
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msg_try_send(&m, pid);
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kernel_pid_t pid2 = thread_create(
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timer_stack_local,
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sizeof(timer_stack_local),
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THREAD_PRIORITY_MAIN - 1,
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0,
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timer_thread_local,
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NULL,
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"timer local");
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expect(pid_is_valid(pid2));
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while (1) {
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ztimer_sleep(ZTIMER, 1 * TICKS_PER_SEC);
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msg_try_send(&m, pid2);
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}
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}
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