int
param_save_default(void)
{
int res = PX4_ERROR;
#if !defined(FLASH_BASED_PARAMS)
const char *filename = param_get_default_file();
/* write parameters to temp file */
int fd = PARAM_OPEN(filename, O_WRONLY | O_CREAT, PX4_O_MODE_666);
if (fd < 0) {
PX4_ERR("failed to open param file: %s", filename);
return ERROR;
}
int attempts = 5;
while (res != OK && attempts > 0) {
res = param_export(fd, false);
attempts--;
if (res != PX4_OK) {
PX4_ERR("param_export failed, retrying %d", attempts);
lseek(fd, 0, SEEK_SET); // jump back to the beginning of the file
}
}
if (res != OK) {
PX4_ERR("failed to write parameters to file: %s", filename);
}
PARAM_CLOSE(fd);
#else
param_lock_writer();
res = flash_param_save();
param_unlock_writer();
#endif
return res;
}
int
param_save_default(void)
{
int res;
#if !defined(FLASH_BASED_PARAMS)
int fd;
const char *filename = param_get_default_file();
/* write parameters to temp file */
fd = PARAM_OPEN(filename, O_WRONLY | O_CREAT, PX4_O_MODE_666);
if (fd < 0) {
warn("failed to open param file: %s", filename);
return ERROR;
}
res = 1;
int attempts = 5;
while (res != OK && attempts > 0) {
res = param_export(fd, false);
attempts--;
}
if (res != OK) {
warnx("failed to write parameters to file: %s", filename);
}
PARAM_CLOSE(fd);
#else
res = flash_param_save();
#endif
return res;
}
