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Added logging improvements for microSD

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This commit is contained in:
Lorenz Meier
2013-01-19 01:31:05 +01:00
parent bc35bb23dd
commit 3128529c3b
1 changed files with 21 additions and 3 deletions
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apps/sdlog/sdlog.c
+21 -3
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@@ -319,8 +319,25 @@ sysvector_write_start(struct sdlog_logbuffer *logbuf)
int sdlog_thread_main(int argc, char *argv[])
{
/* log every 2nd value (skip one) */
int skip_value = 1;
if (argc > 1) {
if (!strcmp(argv[1], "-s") && argc > 2) {
int s = atoi(argv[2]);
if (s > 0 && s < 250) {
skip_value = s;
} else {
warnx("Ignoring skip value of %d, out of range (1..250)\n", s);
}
}
}
warnx("starting\n");
warnx("skipping %d sensor packets between logged packets.\n", skip_value);
if (file_exist(mountpoint) != OK) {
errx(1, "logging mount point %s not present, exiting.", mountpoint);
}
@@ -565,8 +582,6 @@ int sdlog_thread_main(int argc, char *argv[])
gyro_fd.fd = subs.sensor_sub;
gyro_fd.events = POLLIN;
/* log every 2nd value (skip one) */
int skip_value = 0;
/* track skipping */
int skip_count = 0;
@@ -717,7 +732,10 @@ int sdlog_thread_main(int argc, char *argv[])
pthread_mutex_lock(&sysvector_mutex);
sdlog_logbuffer_write(&lb, &sysvect);
/* signal the other thread new data, but not yet unlock */
pthread_cond_signal(&sysvector_cond);
if (lb.count > lb.size / 3) {
/* only request write if several packets can be written at once */
pthread_cond_signal(&sysvector_cond);
}
/* unlock, now the writer thread may run */
pthread_mutex_unlock(&sysvector_mutex);
}