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84 lines
2.7 KiB
84 lines
2.7 KiB
/**************************************************************************** |
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* |
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* Copyright (C) 2012 PX4 Development Team. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name PX4 nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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/** |
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* @file tests_file.c |
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* |
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* File write test. |
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*/ |
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#include <sys/stat.h> |
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#include <stdio.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <systemlib/err.h> |
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#include <systemlib/perf_counter.h> |
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#include <string.h> |
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#include <drivers/drv_hrt.h> |
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#include "tests.h" |
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int |
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test_file(int argc, char *argv[]) |
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{ |
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/* check if microSD card is mounted */ |
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struct stat buffer; |
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if (stat("/fs/microsd/", &buffer)) { |
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warnx("no microSD card mounted, aborting file test"); |
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return 1; |
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} |
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uint8_t buf[512]; |
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hrt_abstime start, end; |
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perf_counter_t wperf = perf_alloc(PC_ELAPSED, "SD writes"); |
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int fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT); |
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memset(buf, 0, sizeof(buf)); |
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start = hrt_absolute_time(); |
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for (unsigned i = 0; i < 1024; i++) { |
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perf_begin(wperf); |
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write(fd, buf, sizeof(buf)); |
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perf_end(wperf); |
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} |
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end = hrt_absolute_time(); |
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close(fd); |
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warnx("512KiB in %llu microseconds", end - start); |
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perf_print_counter(wperf); |
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perf_free(wperf); |
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return 0; |
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}
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