/**
* @return 0 on success, 1 if all params have not yet been stored, -1 if device open failed, -2 if writing parameters failed
*/
static int
param_load_default_no_notify(void)
{
int fd_load = open(param_get_default_file(), O_RDONLY);
if (fd_load < 0) {
release_shmem_lock();
/* no parameter file is OK, otherwise this is an error */
if (errno != ENOENT) {
debug("open '%s' for reading failed", param_get_default_file());
return -1;
}
return 1;
}
int result = param_import(fd_load);
close(fd_load);
PX4_INFO("param loading done\n");
if (result != 0) {
warn("error reading parameters from '%s'", param_get_default_file());
return -2;
}
return 0;
}
static void
do_import(const char* param_file_name)
{
int fd = open(param_file_name, O_RDONLY);
if (fd < 0)
err(1, "open '%s'", param_file_name);
int result = param_import(fd);
close(fd);
if (result < 0)
errx(1, "error importing from '%s'", param_file_name);
exit(0);
}
static int
do_import(const char *param_file_name)
{
int fd = open(param_file_name, O_RDONLY);
if (fd < 0) {
PX4_ERR("open '%s' failed (%i)", param_file_name, errno);
return 1;
}
int result = param_import(fd);
close(fd);
if (result < 0) {
PX4_ERR("importing from '%s' failed (%i)", param_file_name, result);
return 1;
}
return 0;
}
static int
do_import(const char *param_file_name)
{
int fd = px4_open(param_file_name, O_RDONLY);
if (fd < 0) {
warn("open '%s'", param_file_name);
return 1;
}
int result = param_import(fd);
px4_close(fd);
if (result < 0) {
warnx("error importing from '%s'", param_file_name);
return 1;
}
return 0;
}
static int
do_import(const char *param_file_name)
{
return param_import(-1);
}
bool ParameterTest::exportImportAll()
{
static constexpr float MAGIC_FLOAT_VAL = 0.217828f;
// backup current parameters
const char *param_file_name = PX4_STORAGEDIR "/param_backup";
int fd = open(param_file_name, O_WRONLY | O_CREAT, PX4_O_MODE_666);
if (fd < 0) {
PX4_ERR("open '%s' failed (%i)", param_file_name, errno);
return false;
}
int result = param_export(fd, false);
if (result != PX4_OK) {
PX4_ERR("param_export failed");
close(fd);
return false;
}
close(fd);
bool ret = true;
int N = param_count();
// set all params to corresponding param_t value
for (unsigned i = 0; i < N; i++) {
param_t p = param_for_index(i);
if (p == PARAM_INVALID) {
PX4_ERR("param invalid: %d(%d)", p, i);
break;
}
if (param_type(p) == PARAM_TYPE_INT32) {
const int32_t set_val = p;
if (param_set_no_notification(p, &set_val) != PX4_OK) {
PX4_ERR("param_set_no_notification failed for: %d", p);
ut_assert("param_set_no_notification failed", false);
}
int32_t get_val = 0;
if (param_get(p, &get_val) != PX4_OK) {
PX4_ERR("param_get failed for: %d", p);
ut_assert("param_set_no_notification failed", false);
}
ut_compare("value for param doesn't match default value", p, get_val);
}
if (param_type(p) == PARAM_TYPE_FLOAT) {
const float set_val = (float)p + MAGIC_FLOAT_VAL;
if (param_set_no_notification(p, &set_val) != PX4_OK) {
PX4_ERR("param_set_no_notification failed for: %d", p);
ut_assert("param_set_no_notification failed", false);
}
float get_val = 0.0f;
if (param_get(p, &get_val) != PX4_OK) {
PX4_ERR("param_get failed for: %d", p);
ut_assert("param_set_no_notification failed", false);
}
ut_compare("value for param doesn't match default value", p, (float)p + MAGIC_FLOAT_VAL);
}
}
// save
if (param_save_default() != PX4_OK) {
PX4_ERR("param_save_default failed");
return false;
}
// zero all params and verify, but don't save
for (unsigned i = 0; i < N; i++) {
param_t p = param_for_index(i);
if (param_type(p) == PARAM_TYPE_INT32) {
const int32_t set_val = 0;
if (param_set_no_notification(p, &set_val) != PX4_OK) {
PX4_ERR("param set failed: %d", p);
ut_assert("param_set_no_notification failed", false);
}
int32_t get_val = -1;
if (param_get(p, &get_val) != PX4_OK) {
PX4_ERR("param_get failed for: %d", p);
ut_assert("param_set_no_notification failed", false);
}
ut_compare("value for param doesn't match default value", set_val, get_val);
}
if (param_type(p) == PARAM_TYPE_FLOAT) {
float set_val = 0.0f;
if (param_set_no_notification(p, &set_val) != PX4_OK) {
PX4_ERR("param set failed: %d", p);
ut_assert("param_set_no_notification failed", false);
}
float get_val = -1.0f;
if (param_get(p, &get_val) != PX4_OK) {
PX4_ERR("param_get failed for: %d", p);
ut_assert("param_set_no_notification failed", false);
}
ut_compare("value for param doesn't match default value", set_val, get_val);
}
}
// load saved params
if (param_load_default() != PX4_OK) {
PX4_ERR("param_save_default failed");
ret = true;
}
// check every param
for (unsigned i = 0; i < N; i++) {
param_t p = param_for_index(i);
if (param_type(p) == PARAM_TYPE_INT32) {
int32_t get_val = 0;
if (param_get(p, &get_val) != PX4_OK) {
PX4_ERR("param_get failed for: %d", p);
ut_assert("param_set_no_notification failed", false);
}
ut_compare("value for param doesn't match default value", p, get_val);
}
if (param_type(p) == PARAM_TYPE_FLOAT) {
float get_val = 0.0f;
if (param_get(p, &get_val) != PX4_OK) {
PX4_ERR("param_get failed for: %d", p);
ut_assert("param_set_no_notification failed", false);
}
ut_compare("value for param doesn't match default value", p, (float)p + MAGIC_FLOAT_VAL);
}
}
param_reset_all();
// restore original params
fd = open(param_file_name, O_RDONLY);
if (fd < 0) {
PX4_ERR("open '%s' failed (%i)", param_file_name, errno);
return false;
}
result = param_import(fd);
close(fd);
if (result < 0) {
PX4_ERR("importing from '%s' failed (%i)", param_file_name, result);
return false;
}
// save
if (param_save_default() != PX4_OK) {
PX4_ERR("param_save_default failed");
return false;
}
return ret;
}
