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65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/*
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* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
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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_now64 continuity test application
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*
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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* @author Sebastian Meiling <s@mlng.net>
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*
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* @}
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*/
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#include <stdint.h>
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#include "xtimer.h"
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#include "fmt.h"
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#define ITERATIONS (100000LU)
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#define MAXDIFF (1000U)
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int main(void)
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{
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uint32_t n = ITERATIONS;
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uint64_t diff_min = UINT64_MAX;
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uint64_t diff_max = 0;
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uint64_t diff_sum = 0;
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print_str("[START]\n");
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xtimer_ticks64_t before = xtimer_now64();
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while(--n) {
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xtimer_ticks64_t now = xtimer_now64();
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xtimer_ticks64_t diff = xtimer_diff64(now, before);
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if (diff.ticks64 > diff_max) {
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diff_max = diff.ticks64;
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}
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if (diff.ticks64 < diff_min) {
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diff_min = diff.ticks64;
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}
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diff_sum += diff.ticks64;
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before = now;
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}
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print_str("[RESULTS] min=");
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print_u64_dec(diff_min);
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print_str(", avg=");
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print_u64_dec(diff_sum/ITERATIONS);
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print_str(", max=");
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print_u64_dec(diff_max);
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print_str("\n");
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if ((diff_max > MAXDIFF) || (diff_sum/ITERATIONS > MAXDIFF)) {
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print_str("[FAILURE]\n");
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return 1;
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}
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print_str("[SUCCESS]\n");
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return 0;
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}
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