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84f49bb4c8
Including xtimer.h without using the xtimer module results in issues on the waspmote-pro. Thus, drop the include.
107 lines
2.7 KiB
C
107 lines
2.7 KiB
C
/*
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* Copyright (C) 2019 Kaspar Schleiser <kaspar@schleiser.de>
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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 Peripheral timer test application
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*
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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*
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* @}
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include "board.h"
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#include "macros/units.h"
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#include "thread.h"
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#include "thread_flags.h"
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#include "periph/timer.h"
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/* recreate logic to obtain valid XTIMER_DEV used in xtimer.h, but don't include
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* xtimer.h, as this leads to issues on some boards when the xtimer module is
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* not used */
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#ifndef XTIMER_DEV
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# define XTIMER_DEV TIMER_DEV(0)
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#endif
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#ifndef XTIMER_HZ
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# define XTIMER_HZ MHZ(1)
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#endif
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#ifndef XTIMER_WIDTH
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# if(TIMER_0_MAX_VALUE) == 0xfffffful
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# define XTIMER_WIDTH (24)
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# elif (TIMER_0_MAX_VALUE) == 0xffff
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# define XTIMER_WIDTH (16)
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# else
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# define XTIMER_WIDTH (32)
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# endif
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#endif /* !defined(XTIMER_WIDTH) */
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#ifndef TEST_TIMER_FREQ
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# define TEST_TIMER_DEV XTIMER_DEV
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# define TEST_TIMER_FREQ XTIMER_HZ
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# define TEST_TIMER_WIDTH XTIMER_WIDTH
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#endif
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#ifndef TEST_MAX_DIFF
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#define TEST_MAX_DIFF (1000LU)
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#endif
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#if TEST_TIMER_WIDTH == 32
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# define TEST_TIMER_MAX (0xFFFFFFFFLU)
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#else
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# define TEST_TIMER_MAX ((1UL << TEST_TIMER_WIDTH) - 1)
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#endif
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static void cb(void *arg, int chan)
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{
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(void)chan;
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thread_flags_set(arg, 1);
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}
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int main(void)
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{
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puts("\nTest for peripheral TIMER short timer_set()\n");
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printf("This test tries timer_set() with decreasing intervals down to 0.\n"
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"You should see lines like 'interval <n> ok', followed by a success"
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" message.\n"
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"On failure, this test prints an error message.\n\n");
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printf("testing periph_timer %u, freq %lu\n", TEST_TIMER_DEV, TEST_TIMER_FREQ);
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timer_init(TEST_TIMER_DEV, TEST_TIMER_FREQ, cb, thread_get_active());
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uint32_t interval = 100;
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while (interval--) {
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uint32_t before = timer_read(TEST_TIMER_DEV);
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timer_set(TEST_TIMER_DEV, 0, interval);
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while(!thread_flags_clear(1)) {
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uint32_t diff = (timer_read(TEST_TIMER_DEV) - before)
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& TEST_TIMER_MAX;
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if (diff > TEST_MAX_DIFF) {
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printf("ERROR: too long delay, aborted after %" PRIu32
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" (TEST_MAX_DIFF=%lu)\n"
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"TEST FAILED\n",
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diff, TEST_MAX_DIFF);
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while(1) {}
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}
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}
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printf("interval %" PRIu32 " ok\n", interval);
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}
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puts("\nTEST SUCCEEDED");
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return 0;
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}
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