main.c
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/*
* Copyright (C) 2017 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief evtimer_msg test application
*
* @author Martine Lenders <m.lenders@fu-berlin.de>
*
* @}
*/
#include <stdio.h>
#include "evtimer_msg.h"
#include "thread.h"
#include "msg.h"
#include "xtimer.h"
static char worker_stack[THREAD_STACKSIZE_MAIN];
static evtimer_t evtimer;
static evtimer_msg_event_t events[] = {
{ .event = { .offset = 1000 }, .msg = { .content = { .ptr = "supposed to be 1000" } } },
{ .event = { .offset = 1500 }, .msg = { .content = { .ptr = "supposed to be 1500" } } },
{ .event = { .offset = 659 }, .msg = { .content = { .ptr = "supposed to be 659" } } },
{ .event = { .offset = 3954 }, .msg = { .content = { .ptr = "supposed to be 3954" } } },
};
#define NEVENTS ((unsigned)(sizeof(events) / sizeof(evtimer_msg_event_t)))
/* This thread will print the drift to stdout once per second */
void *worker_thread(void *arg)
{
int count = 0;
(void) arg;
while (1) {
char *ctx;
msg_t m;
uint32_t now;
msg_receive(&m);
now = xtimer_now_usec() / US_PER_MS;
ctx = m.content.ptr;
printf("At %6" PRIu32 " ms received msg %i: \"%s\"\n", now, count++, ctx);
}
}
int main(void)
{
uint32_t now = xtimer_now_usec() / US_PER_MS;
evtimer_init_msg(&evtimer);
/* create worker thread */
kernel_pid_t pid = thread_create(worker_stack, sizeof(worker_stack),
THREAD_PRIORITY_MAIN - 1,
THREAD_CREATE_STACKTEST,
worker_thread, NULL, "worker");
printf("Testing generic evtimer (start time = %" PRIu32 " ms)\n", now);
for (unsigned i = 0; i < NEVENTS; i++) {
evtimer_add_msg(&evtimer, &events[i], pid);
}
printf("Are the reception times of all %u msgs close to the supposed values?\n",
NEVENTS);
puts("If yes, the tests were successful");
}