void
param_reset_excludes(const char *excludes[], int num_excludes)
{
param_lock();
param_t param;
for (param = 0; handle_in_range(param); param++) {
const char *name = param_name(param);
bool exclude = false;
for (int index = 0; index < num_excludes; index ++) {
int len = strlen(excludes[index]);
if ((excludes[index][len - 1] == '*'
&& strncmp(name, excludes[index], len - 1) == 0)
|| strcmp(name, excludes[index]) == 0) {
exclude = true;
break;
}
}
if (!exclude) {
param_reset(param);
}
}
param_unlock();
param_notify_changes();
}
int
param_reset(param_t param)
{
struct param_wbuf_s *s = NULL;
bool param_found = false;
param_lock();
if (handle_in_range(param)) {
/* look for a saved value */
s = param_find_changed(param);
/* if we found one, erase it */
if (s != NULL) {
int pos = utarray_eltidx(param_values, s);
utarray_erase(param_values, pos, 1);
}
param_found = true;
}
param_unlock();
if (s != NULL) {
param_notify_changes();
}
return (!param_found);
}
void
param_reset_all(void)
{
param_lock();
if (param_values != NULL) {
utarray_free(param_values);
}
/* mark as reset / deleted */
param_values = NULL;
param_unlock();
param_notify_changes();
}
static int
param_set_internal(param_t param, const void *val, bool mark_saved, bool notify_changes)
{
int result = -1;
bool params_changed = false;
param_lock();
if (param_values == NULL) {
utarray_new(param_values, ¶m_icd);
}
if (param_values == NULL) {
debug("failed to allocate modified values array");
goto out;
}
if (handle_in_range(param)) {
struct param_wbuf_s *s = param_find_changed(param);
if (s == NULL) {
/* construct a new parameter */
struct param_wbuf_s buf = {
.param = param,
.val.p = NULL,
.unsaved = false
};
/* add it to the array and sort */
utarray_push_back(param_values, &buf);
utarray_sort(param_values, param_compare_values);
/* find it after sorting */
s = param_find_changed(param);
}
/* update the changed value */
switch (param_type(param)) {
case PARAM_TYPE_INT32:
s->val.i = *(int32_t *)val;
break;
case PARAM_TYPE_FLOAT:
s->val.f = *(float *)val;
break;
case PARAM_TYPE_STRUCT ... PARAM_TYPE_STRUCT_MAX:
if (s->val.p == NULL) {
s->val.p = malloc(param_size(param));
if (s->val.p == NULL) {
debug("failed to allocate parameter storage");
goto out;
}
}
memcpy(s->val.p, val, param_size(param));
break;
default:
goto out;
}
s->unsaved = !mark_saved;
params_changed = true;
result = 0;
}
out:
param_unlock();
/*
* If we set something, now that we have unlocked, go ahead and advertise that
* a thing has been set.
*/
if (params_changed && notify_changes) {
param_notify_changes();
}
return result;
}
int
param_set(param_t param, const void *val)
{
return param_set_internal(param, val, false, true);
}
int
param_set_no_notification(param_t param, const void *val)
{
return param_set_internal(param, val, false, false);
}
bool
param_used(param_t param)
{
int param_index = param_get_index(param);
if (param_index < 0) {
return false;
}
return param_changed_storage[param_index / bits_per_allocation_unit] &
(1 << param_index % bits_per_allocation_unit);
}
static int
param_set_internal(param_t param, const void *val, bool mark_saved, bool notify_changes, bool is_saved)
{
int result = -1;
bool params_changed = false;
PX4_DEBUG("param_set_internal params: param = %d, val = 0x%X, mark_saved: %d, notify_changes: %d",
param, val, (int)mark_saved, (int)notify_changes);
param_lock();
if (!handle_in_range(param)) {
return result;
}
mark_saved = true; //mark all params as saved
if (param_values == NULL) {
utarray_new(param_values, ¶m_icd);
}
if (param_values == NULL) {
debug("failed to allocate modified values array");
goto out;
}
if (handle_in_range(param)) {
struct param_wbuf_s *s = param_find_changed(param);
if (s == NULL) {
/* construct a new parameter */
struct param_wbuf_s buf = {
.param = param,
.val.p = NULL,
.unsaved = false
};
/* add it to the array and sort */
utarray_push_back(param_values, &buf);
utarray_sort(param_values, param_compare_values);
/* find it after sorting */
s = param_find_changed(param);
}
/* update the changed value */
switch (param_type(param)) {
case PARAM_TYPE_INT32:
s->val.i = *(int32_t *)val;
break;
case PARAM_TYPE_FLOAT:
s->val.f = *(float *)val;
break;
case PARAM_TYPE_STRUCT ... PARAM_TYPE_STRUCT_MAX:
if (s->val.p == NULL) {
s->val.p = malloc(param_size(param));
if (s->val.p == NULL) {
debug("failed to allocate parameter storage");
goto out;
}
}
memcpy(s->val.p, val, param_size(param));
break;
default:
goto out;
}
s->unsaved = !mark_saved;
params_changed = true;
result = 0;
}
out:
param_unlock();
/*
* If we set something, now that we have unlocked, go ahead and advertise that
* a thing has been set.
*/
if (!param_import_done) { notify_changes = 0; }
if (params_changed && notify_changes) {
param_notify_changes(is_saved);
}
if (result == 0 && !set_called_from_get) {
update_to_shmem(param, *(union param_value_u *)val);
}
#ifdef ENABLE_SHMEM_DEBUG
if (param_type(param) == PARAM_TYPE_INT32) {
PX4_INFO("param_set for %s : %d\n", param_name(param), ((union param_value_u *)val)->i);
}
else if (param_type(param) == PARAM_TYPE_FLOAT) {
PX4_INFO("param_set for %s : %f\n", param_name(param), (double)((union param_value_u *)val)->f);
}
else {
PX4_INFO("Unknown param type for %s\n", param_name(param));
}
#endif
return result;
}
int
param_set(param_t param, const void *val)
{
return param_set_internal(param, val, false, true, false);
}
int
param_set_no_autosave(param_t param, const void *val)
{
return param_set_internal(param, val, false, true, true);
}
int
param_set_no_notification(param_t param, const void *val)
{
return param_set_internal(param, val, false, false, false);
}
bool
param_used(param_t param)
{
// TODO FIXME: for now all params are used
return true;
int param_index = param_get_index(param);
if (param_index < 0) {
return false;
}
return param_changed_storage[param_index / bits_per_allocation_unit] &
(1 << param_index % bits_per_allocation_unit);
}
void param_set_used_internal(param_t param)
{
int param_index = param_get_index(param);
if (param_index < 0) {
return;
}
param_changed_storage[param_index / bits_per_allocation_unit] |=
(1 << param_index % bits_per_allocation_unit);
}
int do_level_calibration(orb_advert_t *mavlink_log_pub) {
const unsigned cal_time = 5;
const unsigned cal_hz = 100;
unsigned settle_time = 30;
bool success = false;
int att_sub = orb_subscribe(ORB_ID(vehicle_attitude));
struct vehicle_attitude_s att;
memset(&att, 0, sizeof(att));
calibration_log_info(mavlink_log_pub, CAL_QGC_STARTED_MSG, "level");
param_t roll_offset_handle = param_find("SENS_BOARD_X_OFF");
param_t pitch_offset_handle = param_find("SENS_BOARD_Y_OFF");
param_t board_rot_handle = param_find("SENS_BOARD_ROT");
// save old values if calibration fails
float roll_offset_current;
float pitch_offset_current;
int32_t board_rot_current = 0;
param_get(roll_offset_handle, &roll_offset_current);
param_get(pitch_offset_handle, &pitch_offset_current);
param_get(board_rot_handle, &board_rot_current);
// give attitude some time to settle if there have been changes to the board rotation parameters
if (board_rot_current == 0 && fabsf(roll_offset_current) < FLT_EPSILON && fabsf(pitch_offset_current) < FLT_EPSILON ) {
settle_time = 0;
}
float zero = 0.0f;
param_set_no_notification(roll_offset_handle, &zero);
param_set_no_notification(pitch_offset_handle, &zero);
param_notify_changes();
px4_pollfd_struct_t fds[1];
fds[0].fd = att_sub;
fds[0].events = POLLIN;
float roll_mean = 0.0f;
float pitch_mean = 0.0f;
unsigned counter = 0;
// sleep for some time
hrt_abstime start = hrt_absolute_time();
while(hrt_elapsed_time(&start) < settle_time * 1000000) {
calibration_log_info(mavlink_log_pub, CAL_QGC_PROGRESS_MSG, (int)(90*hrt_elapsed_time(&start)/1e6f/(float)settle_time));
sleep(settle_time / 10);
}
start = hrt_absolute_time();
// average attitude for 5 seconds
while(hrt_elapsed_time(&start) < cal_time * 1000000) {
int pollret = px4_poll(&fds[0], (sizeof(fds) / sizeof(fds[0])), 100);
if (pollret <= 0) {
// attitude estimator is not running
calibration_log_critical(mavlink_log_pub, "attitude estimator not running - check system boot");
calibration_log_critical(mavlink_log_pub, CAL_QGC_FAILED_MSG, "level");
goto out;
}
orb_copy(ORB_ID(vehicle_attitude), att_sub, &att);
matrix::Eulerf euler = matrix::Quatf(att.q);
roll_mean += euler.phi();
pitch_mean += euler.theta();
counter++;
}
calibration_log_info(mavlink_log_pub, CAL_QGC_PROGRESS_MSG, 100);
if (counter > (cal_time * cal_hz / 2 )) {
roll_mean /= counter;
pitch_mean /= counter;
} else {
calibration_log_info(mavlink_log_pub, "not enough measurements taken");
success = false;
goto out;
}
if (fabsf(roll_mean) > 0.8f ) {
calibration_log_critical(mavlink_log_pub, "excess roll angle");
} else if (fabsf(pitch_mean) > 0.8f ) {
calibration_log_critical(mavlink_log_pub, "excess pitch angle");
} else {
roll_mean *= (float)M_RAD_TO_DEG;
pitch_mean *= (float)M_RAD_TO_DEG;
param_set_no_notification(roll_offset_handle, &roll_mean);
param_set_no_notification(pitch_offset_handle, &pitch_mean);
param_notify_changes();
success = true;
}
out:
if (success) {
calibration_log_info(mavlink_log_pub, CAL_QGC_DONE_MSG, "level");
return 0;
} else {
// set old parameters
param_set_no_notification(roll_offset_handle, &roll_offset_current);
param_set_no_notification(pitch_offset_handle, &pitch_offset_current);
param_notify_changes();
calibration_log_critical(mavlink_log_pub, CAL_QGC_FAILED_MSG, "level");
return 1;
}
}
int do_accel_calibration(orb_advert_t *mavlink_log_pub)
{
#ifdef __PX4_NUTTX
int fd;
#endif
calibration_log_info(mavlink_log_pub, CAL_QGC_STARTED_MSG, sensor_name);
struct accel_calibration_s accel_scale;
accel_scale.x_offset = 0.0f;
accel_scale.x_scale = 1.0f;
accel_scale.y_offset = 0.0f;
accel_scale.y_scale = 1.0f;
accel_scale.z_offset = 0.0f;
accel_scale.z_scale = 1.0f;
int res = PX4_OK;
char str[30];
/* reset all sensors */
for (unsigned s = 0; s < max_accel_sens; s++) {
#ifdef __PX4_NUTTX
sprintf(str, "%s%u", ACCEL_BASE_DEVICE_PATH, s);
/* reset all offsets to zero and all scales to one */
fd = px4_open(str, 0);
if (fd < 0) {
continue;
}
device_id[s] = px4_ioctl(fd, DEVIOCGDEVICEID, 0);
res = px4_ioctl(fd, ACCELIOCSSCALE, (long unsigned int)&accel_scale);
px4_close(fd);
if (res != PX4_OK) {
calibration_log_critical(mavlink_log_pub, CAL_ERROR_RESET_CAL_MSG, s);
}
#else
(void)sprintf(str, "CAL_ACC%u_XOFF", s);
res = param_set_no_notification(param_find(str), &accel_scale.x_offset);
if (res != PX4_OK) {
PX4_ERR("unable to reset %s", str);
}
(void)sprintf(str, "CAL_ACC%u_YOFF", s);
res = param_set_no_notification(param_find(str), &accel_scale.y_offset);
if (res != PX4_OK) {
PX4_ERR("unable to reset %s", str);
}
(void)sprintf(str, "CAL_ACC%u_ZOFF", s);
res = param_set_no_notification(param_find(str), &accel_scale.z_offset);
if (res != PX4_OK) {
PX4_ERR("unable to reset %s", str);
}
(void)sprintf(str, "CAL_ACC%u_XSCALE", s);
res = param_set_no_notification(param_find(str), &accel_scale.x_scale);
if (res != PX4_OK) {
PX4_ERR("unable to reset %s", str);
}
(void)sprintf(str, "CAL_ACC%u_YSCALE", s);
res = param_set_no_notification(param_find(str), &accel_scale.y_scale);
if (res != PX4_OK) {
PX4_ERR("unable to reset %s", str);
}
(void)sprintf(str, "CAL_ACC%u_ZSCALE", s);
res = param_set_no_notification(param_find(str), &accel_scale.z_scale);
if (res != PX4_OK) {
PX4_ERR("unable to reset %s", str);
}
param_notify_changes();
#endif
}
float accel_offs[max_accel_sens][3];
float accel_T[max_accel_sens][3][3];
unsigned active_sensors = 0;
/* measure and calculate offsets & scales */
if (res == PX4_OK) {
calibrate_return cal_return = do_accel_calibration_measurements(mavlink_log_pub, accel_offs, accel_T, &active_sensors);
if (cal_return == calibrate_return_cancelled) {
// Cancel message already displayed, nothing left to do
return PX4_ERROR;
} else if (cal_return == calibrate_return_ok) {
res = PX4_OK;
} else {
res = PX4_ERROR;
}
}
if (res != PX4_OK) {
if (active_sensors == 0) {
calibration_log_critical(mavlink_log_pub, CAL_ERROR_SENSOR_MSG);
}
return PX4_ERROR;
}
/* measurements completed successfully, rotate calibration values */
param_t board_rotation_h = param_find("SENS_BOARD_ROT");
int32_t board_rotation_int;
param_get(board_rotation_h, &(board_rotation_int));
enum Rotation board_rotation_id = (enum Rotation)board_rotation_int;
math::Matrix<3, 3> board_rotation;
get_rot_matrix(board_rotation_id, &board_rotation);
math::Matrix<3, 3> board_rotation_t = board_rotation.transposed();
bool tc_locked[3] = {false}; // true when the thermal parameter instance has already been adjusted by the calibrator
for (unsigned uorb_index = 0; uorb_index < active_sensors; uorb_index++) {
/* handle individual sensors, one by one */
math::Vector<3> accel_offs_vec(accel_offs[uorb_index]);
math::Vector<3> accel_offs_rotated = board_rotation_t * accel_offs_vec;
math::Matrix<3, 3> accel_T_mat(accel_T[uorb_index]);
math::Matrix<3, 3> accel_T_rotated = board_rotation_t * accel_T_mat * board_rotation;
accel_scale.x_offset = accel_offs_rotated(0);
accel_scale.x_scale = accel_T_rotated(0, 0);
accel_scale.y_offset = accel_offs_rotated(1);
accel_scale.y_scale = accel_T_rotated(1, 1);
accel_scale.z_offset = accel_offs_rotated(2);
accel_scale.z_scale = accel_T_rotated(2, 2);
bool failed = false;
failed = failed || (PX4_OK != param_set_no_notification(param_find("CAL_ACC_PRIME"), &(device_id_primary)));
PX4_INFO("found offset %d: x: %.6f, y: %.6f, z: %.6f", uorb_index,
(double)accel_scale.x_offset,
(double)accel_scale.y_offset,
(double)accel_scale.z_offset);
PX4_INFO("found scale %d: x: %.6f, y: %.6f, z: %.6f", uorb_index,
(double)accel_scale.x_scale,
(double)accel_scale.y_scale,
(double)accel_scale.z_scale);
/* check if thermal compensation is enabled */
int32_t tc_enabled_int;
param_get(param_find("TC_A_ENABLE"), &(tc_enabled_int));
if (tc_enabled_int == 1) {
/* Get struct containing sensor thermal compensation data */
struct sensor_correction_s sensor_correction; /**< sensor thermal corrections */
memset(&sensor_correction, 0, sizeof(sensor_correction));
int sensor_correction_sub = orb_subscribe(ORB_ID(sensor_correction));
orb_copy(ORB_ID(sensor_correction), sensor_correction_sub, &sensor_correction);
orb_unsubscribe(sensor_correction_sub);
/* don't allow a parameter instance to be calibrated more than once by another uORB instance */
if (!tc_locked[sensor_correction.accel_mapping[uorb_index]]) {
tc_locked[sensor_correction.accel_mapping[uorb_index]] = true;
/* update the _X0_ terms to include the additional offset */
int32_t handle;
float val;
for (unsigned axis_index = 0; axis_index < 3; axis_index++) {
val = 0.0f;
(void)sprintf(str, "TC_A%u_X0_%u", sensor_correction.accel_mapping[uorb_index], axis_index);
handle = param_find(str);
param_get(handle, &val);
if (axis_index == 0) {
val += accel_scale.x_offset;
} else if (axis_index == 1) {
val += accel_scale.y_offset;
} else if (axis_index == 2) {
val += accel_scale.z_offset;
}
failed |= (PX4_OK != param_set_no_notification(handle, &val));
}
/* update the _SCL_ terms to include the scale factor */
for (unsigned axis_index = 0; axis_index < 3; axis_index++) {
val = 1.0f;
(void)sprintf(str, "TC_A%u_SCL_%u", sensor_correction.accel_mapping[uorb_index], axis_index);
handle = param_find(str);
if (axis_index == 0) {
val = accel_scale.x_scale;
} else if (axis_index == 1) {
val = accel_scale.y_scale;
} else if (axis_index == 2) {
val = accel_scale.z_scale;
}
failed |= (PX4_OK != param_set_no_notification(handle, &val));
}
param_notify_changes();
}
// Ensure the calibration values used by the driver are at default settings when we are using thermal calibration data
accel_scale.x_offset = 0.f;
accel_scale.y_offset = 0.f;
accel_scale.z_offset = 0.f;
accel_scale.x_scale = 1.f;
accel_scale.y_scale = 1.f;
accel_scale.z_scale = 1.f;
}
// save the driver level calibration data
(void)sprintf(str, "CAL_ACC%u_XOFF", uorb_index);
failed |= (PX4_OK != param_set_no_notification(param_find(str), &(accel_scale.x_offset)));
(void)sprintf(str, "CAL_ACC%u_YOFF", uorb_index);
failed |= (PX4_OK != param_set_no_notification(param_find(str), &(accel_scale.y_offset)));
(void)sprintf(str, "CAL_ACC%u_ZOFF", uorb_index);
failed |= (PX4_OK != param_set_no_notification(param_find(str), &(accel_scale.z_offset)));
(void)sprintf(str, "CAL_ACC%u_XSCALE", uorb_index);
failed |= (PX4_OK != param_set_no_notification(param_find(str), &(accel_scale.x_scale)));
(void)sprintf(str, "CAL_ACC%u_YSCALE", uorb_index);
failed |= (PX4_OK != param_set_no_notification(param_find(str), &(accel_scale.y_scale)));
(void)sprintf(str, "CAL_ACC%u_ZSCALE", uorb_index);
failed |= (PX4_OK != param_set_no_notification(param_find(str), &(accel_scale.z_scale)));
(void)sprintf(str, "CAL_ACC%u_ID", uorb_index);
failed |= (PX4_OK != param_set_no_notification(param_find(str), &(device_id[uorb_index])));
if (failed) {
calibration_log_critical(mavlink_log_pub, CAL_ERROR_SET_PARAMS_MSG, uorb_index);
return PX4_ERROR;
}
#ifdef __PX4_NUTTX
sprintf(str, "%s%u", ACCEL_BASE_DEVICE_PATH, uorb_index);
fd = px4_open(str, 0);
if (fd < 0) {
calibration_log_critical(mavlink_log_pub, CAL_QGC_FAILED_MSG, "sensor does not exist");
res = PX4_ERROR;
} else {
res = px4_ioctl(fd, ACCELIOCSSCALE, (long unsigned int)&accel_scale);
px4_close(fd);
}
if (res != PX4_OK) {
calibration_log_critical(mavlink_log_pub, CAL_ERROR_APPLY_CAL_MSG, uorb_index);
}
#endif
}
if (res == PX4_OK) {
/* if there is a any preflight-check system response, let the barrage of messages through */
usleep(200000);
calibration_log_info(mavlink_log_pub, CAL_QGC_DONE_MSG, sensor_name);
} else {
calibration_log_critical(mavlink_log_pub, CAL_QGC_FAILED_MSG, sensor_name);
}
/* give this message enough time to propagate */
usleep(600000);
return res;
}
static int
param_set_internal(param_t param, const void *val, bool mark_saved)
{
int result = -1;
bool params_changed = false;
param_lock();
if (param_values == NULL)
utarray_new(param_values, ¶m_icd);
if (param_values == NULL) {
debug("failed to allocate modified values array");
goto out;
}
if (handle_in_range(param)) {
struct param_wbuf_s *s = param_find_changed(param);
if (s == NULL) {
/* construct a new parameter */
struct param_wbuf_s buf = {
.param = param,
.val.p = NULL,
.unsaved = false
};
/* add it to the array and sort */
utarray_push_back(param_values, &buf);
utarray_sort(param_values, param_compare_values);
/* find it after sorting */
s = param_find_changed(param);
}
/* update the changed value */
switch (param_type(param)) {
case PARAM_TYPE_INT32:
s->val.i = *(int32_t *)val;
break;
case PARAM_TYPE_FLOAT:
s->val.f = *(float *)val;
break;
case PARAM_TYPE_STRUCT ... PARAM_TYPE_STRUCT_MAX:
if (s->val.p == NULL) {
s->val.p = malloc(param_size(param));
if (s->val.p == NULL) {
debug("failed to allocate parameter storage");
goto out;
}
}
memcpy(s->val.p, val, param_size(param));
break;
default:
goto out;
}
s->unsaved = !mark_saved;
params_changed = true;
result = 0;
}
out:
param_unlock();
/*
* If we set something, now that we have unlocked, go ahead and advertise that
* a thing has been set.
*/
if (params_changed)
param_notify_changes();
return result;
}
int
param_set(param_t param, const void *val)
{
return param_set_internal(param, val, false);
}
void
param_reset(param_t param)
{
struct param_wbuf_s *s = NULL;
param_lock();
if (handle_in_range(param)) {
/* look for a saved value */
s = param_find_changed(param);
/* if we found one, erase it */
if (s != NULL) {
int pos = utarray_eltidx(param_values, s);
utarray_erase(param_values, pos, 1);
}
}
param_unlock();
if (s != NULL)
param_notify_changes();
}
void
param_reset_all(void)
{
param_lock();
if (param_values != NULL) {
utarray_free(param_values);
}
/* mark as reset / deleted */
param_values = NULL;
param_unlock();
param_notify_changes();
}