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92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*
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* Copyright (C) 2020 Freie Universität Berlin
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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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* @{
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*
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* @file
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* @author Martine Lenders <m.lenders@fu-berlin.de>
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*/
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#include <stdio.h>
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#include "fmt.h"
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#include "kernel_defines.h"
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#include "msg.h"
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#include "test_utils/expect.h"
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#include "thread.h"
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#include "xtimer.h"
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#define MAIN_MSG_QUEUE_SIZE (4U)
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#define TIMERS_NUMOF (3U)
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msg_t _main_msg_queue[MAIN_MSG_QUEUE_SIZE];
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static const uint64_t _timers_offsets[TIMERS_NUMOF] = {
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/* MUST ASCEND */
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1 * US_PER_SEC,
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2 * US_PER_SEC,
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3 * US_PER_SEC,
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};
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int main(void)
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{
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xtimer_t timers[TIMERS_NUMOF];
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msg_t msgs[TIMERS_NUMOF];
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uint64_t start;
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expect(ARRAY_SIZE(_timers_offsets) == TIMERS_NUMOF);
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msg_init_queue(_main_msg_queue, MAIN_MSG_QUEUE_SIZE);
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/* ensure that xtimer_now64() is greater than UINT32_MAX */
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_xtimer_current_time = (2LLU << 32U);
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xtimer_init();
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print_str("Setting ");
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print_u32_dec(TIMERS_NUMOF);
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print_str(" timers:\n");
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for (unsigned i = 0; i < TIMERS_NUMOF; i++) {
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msgs[i].content.value = i;
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print_str(" #");
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print_u32_dec(i);
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print_str(" in ");
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print_u64_dec(_timers_offsets[i]);
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print_str(" usec\n");
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}
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print_str("now=");
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start = xtimer_now64().ticks64;
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print_u64_dec(start);
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print_str("\n");
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expect(start > UINT32_MAX);
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/* set timers after all were printed for better timing */
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for (unsigned i = 0; i < TIMERS_NUMOF; i++) {
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xtimer_set_msg64(&timers[i], _timers_offsets[i], &msgs[i],
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thread_getpid());
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expect(timers[i].long_start_time > 0);
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}
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while (1) {
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msg_t msg;
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msg_receive(&msg);
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print_str("#");
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print_u32_dec(msg.content.value);
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print_str(":now=");
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print_u64_dec((uint64_t)xtimer_now64().ticks64);
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print_str("\n");
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for (unsigned i = 0; i <= msg.content.value; i++) {
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/* all fired timers expired */
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expect(timers[i].long_start_time == 0);
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}
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for (unsigned i = (msg.content.value + 1); i <= TIMERS_NUMOF; i++) {
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/* upper half of remaing_timers' start_time stays above 0 as it is
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* based on xtimer_now64() during the timer's callback execution */
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expect(timers[i].long_start_time > 0);
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}
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}
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return 0;
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}
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/** @} */
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