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author | px4dev <px4@purgatory.org> | 2013-04-26 20:02:12 -0700 |
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committer | px4dev <px4@purgatory.org> | 2013-04-26 20:02:12 -0700 |
commit | 4748bba35ac8f5ff0010d2ba202c85a6c5d36168 (patch) | |
tree | a6031e715f6408c0cb3cbaba751511a3d16a47c5 /src/systemcmds/tests/tests_file.c | |
parent | 53f6bac327f6a799b9b0dfee368406cce4151a03 (diff) | |
download | px4-firmware-4748bba35ac8f5ff0010d2ba202c85a6c5d36168.tar.gz px4-firmware-4748bba35ac8f5ff0010d2ba202c85a6c5d36168.tar.bz2 px4-firmware-4748bba35ac8f5ff0010d2ba202c85a6c5d36168.zip |
Move the 'tests' app to the new world.
Diffstat (limited to 'src/systemcmds/tests/tests_file.c')
-rw-r--r-- | src/systemcmds/tests/tests_file.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/systemcmds/tests/tests_file.c b/src/systemcmds/tests/tests_file.c new file mode 100644 index 000000000..6f75b9812 --- /dev/null +++ b/src/systemcmds/tests/tests_file.c @@ -0,0 +1,84 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file tests_file.c + * + * File write test. + */ + +#include <sys/stat.h> +#include <stdio.h> +#include <unistd.h> +#include <fcntl.h> +#include <systemlib/err.h> +#include <systemlib/perf_counter.h> +#include <string.h> + +#include <drivers/drv_hrt.h> + +#include "tests.h" + +int +test_file(int argc, char *argv[]) +{ + /* check if microSD card is mounted */ + struct stat buffer; + if (stat("/fs/microsd/", &buffer)) { + warnx("no microSD card mounted, aborting file test"); + return 1; + } + + uint8_t buf[512]; + hrt_abstime start, end; + perf_counter_t wperf = perf_alloc(PC_ELAPSED, "SD writes"); + + int fd = open("/fs/microsd/testfile", O_TRUNC | O_WRONLY | O_CREAT); + memset(buf, 0, sizeof(buf)); + + start = hrt_absolute_time(); + for (unsigned i = 0; i < 1024; i++) { + perf_begin(wperf); + write(fd, buf, sizeof(buf)); + perf_end(wperf); + } + end = hrt_absolute_time(); + + close(fd); + + warnx("512KiB in %llu microseconds", end - start); + perf_print_counter(wperf); + perf_free(wperf); + + return 0; +} |