Mirrors_Framework/PX4-Autopilot
1
0
Fork 0
mirror of https://github.com/PX4/PX4-Autopilot.git synced 2026-06-12 20:27:19 +08:00
Code Issues Actions 27 Packages Projects Releases Wiki Activity

Teached MTD test how to write back 0xFF after destructive test

Browse Source
This commit is contained in:
Lorenz Meier
2014-01-16 08:37:50 +01:00
parent e5ad3c31e0
commit c304ea2507
1 changed files with 17 additions and 107 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/systemcmds/tests/test_mtd.c
+17 -107
View File
@@ -180,117 +180,27 @@ test_mtd(int argc, char *argv[])
}
close(fd);
printf("RESULT: OK! No readback errors.\n\n");
// /*
// * ALIGNED WRITES AND UNALIGNED READS
// */
// fd = open(PARAM_FILE_NAME, O_WRONLY);
// warnx("testing aligned writes - please wait.. (CTRL^C to abort)");
// start = hrt_absolute_time();
// for (unsigned i = 0; i < iterations; i++) {
// int wret = write(fd, write_buf, chunk_sizes[c]);
// if (wret != chunk_sizes[c]) {
// warnx("WRITE ERROR!");
// return 1;
// }
// if (!check_user_abort(fd))
// return OK;
// }
// fsync(fd);
// warnx("reading data aligned..");
// close(fd);
// fd = open(PARAM_FILE_NAME, O_RDONLY);
// bool align_read_ok = true;
// /* read back data unaligned */
// for (unsigned i = 0; i < iterations; i++) {
// int rret = read(fd, read_buf, chunk_sizes[c]);
// if (rret != chunk_sizes[c]) {
// warnx("READ ERROR!");
// return 1;
// }
// /* compare value */
// bool compare_ok = true;
// for (int j = 0; j < chunk_sizes[c]; j++) {
// if (read_buf[j] != write_buf[j]) {
// warnx("COMPARISON ERROR: byte %d: %u != %u", j, (unsigned int)read_buf[j], (unsigned int)write_buf[j]);
// align_read_ok = false;
// break;
// }
// if (!check_user_abort(fd))
// return OK;
// }
// if (!align_read_ok) {
// warnx("ABORTING FURTHER COMPARISON DUE TO ERROR");
// return 1;
// }
// }
// warnx("align read result: %s\n", (align_read_ok) ? "OK" : "ERROR");
// warnx("reading data unaligned..");
// close(fd);
// fd = open(PARAM_FILE_NAME, O_RDONLY);
// bool unalign_read_ok = true;
// int unalign_read_err_count = 0;
// memset(read_buf, 0, sizeof(read_buf));
// /* read back data unaligned */
// for (unsigned i = 0; i < iterations; i++) {
// int rret = read(fd, read_buf + a, chunk_sizes[c]);
// if (rret != chunk_sizes[c]) {
// warnx("READ ERROR!");
// return 1;
// }
// for (int j = 0; j < chunk_sizes[c]; j++) {
// if ((read_buf + a)[j] != write_buf[j]) {
// warnx("COMPARISON ERROR: byte %d, align shift: %d: %u != %u", j, a, (unsigned int)read_buf[j + a], (unsigned int)write_buf[j]);
// unalign_read_ok = false;
// unalign_read_err_count++;
// if (unalign_read_err_count > 10)
// break;
// }
// if (!check_user_abort(fd))
// return OK;
// }
// if (!unalign_read_ok) {
// warnx("ABORTING FURTHER COMPARISON DUE TO ERROR");
// return 1;
// }
// }
// close(fd);
}
/* fill the file with 0xFF to make it look new again */
char ffbuf[64];
memset(ffbuf, 0xFF, sizeof(ffbuf));
int fd = open(PARAM_FILE_NAME, O_WRONLY);
for (int i = 0; i < file_size / sizeof(ffbuf); i++) {
int ret = write(fd, ffbuf, sizeof(ffbuf));
if (ret) {
warnx("ERROR! Could not fill file with 0xFF");
close(fd);
return 1;
}
}
(void)close(fd);
return 0;
}