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param: add param_notify_changes() method

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Can be used for example after several calls to
param_set_no_notification() to avoid unnecessary system notifications,
as it is an expensive change.
This commit is contained in:
Beat Küng
2017-02-03 13:57:48 +01:00
committed by Lorenz Meier
parent 4b8e6cf9cd
commit a802caca87
3 changed files with 30 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/modules/systemlib/param/param.c
+11 -5
View File
@@ -236,7 +236,7 @@ param_find_changed(param_t param)
}
static void
param_notify_changes(bool is_saved)
_param_notify_changes(bool is_saved)
{
#if !defined(PARAM_NO_ORB)
struct parameter_update_s pup = {
@@ -258,6 +258,12 @@ param_notify_changes(bool is_saved)
#endif
}
void
param_notify_changes(void)
{
_param_notify_changes(true);
}
param_t
param_find_internal(const char *name, bool notification)
{
@@ -601,7 +607,7 @@ out:
* a thing has been set.
*/
if (params_changed && notify_changes) {
param_notify_changes(is_saved);
_param_notify_changes(is_saved);
}
return result;
@@ -687,7 +693,7 @@ param_reset(param_t param)
param_unlock();
if (s != NULL) {
param_notify_changes(false);
_param_notify_changes(false);
}
return (!param_found);
@@ -707,7 +713,7 @@ param_reset_all(void)
param_unlock();
param_notify_changes(false);
_param_notify_changes(false);
}
void
@@ -739,7 +745,7 @@ param_reset_excludes(const char *excludes[], int num_excludes)
param_unlock();
param_notify_changes(false);
_param_notify_changes(false);
}
static const char *param_default_file = PX4_ROOTFSDIR"/eeprom/parameters";
src/modules/systemlib/param/param.h
+6
View File
@@ -236,6 +236,12 @@ __EXPORT int param_set_no_autosave(param_t param, const void *val);
*/
__EXPORT int param_set_no_notification(param_t param, const void *val);
/**
* Notify the system about parameter changes. Can be used for example after several calls to
* param_set_no_notification() to avoid unnecessary system notifications.
*/
__EXPORT void param_notify_changes(void);
/**
* Reset a parameter to its default value.
*
src/modules/systemlib/param/param_shmem.c
+13 -6
View File
@@ -246,8 +246,8 @@ param_find_changed(param_t param)
return s;
}
static void
param_notify_changes(bool is_saved)
void
_param_notify_changes(bool is_saved)
{
struct parameter_update_s pup = { .timestamp = hrt_absolute_time(), .saved = is_saved };
@@ -263,6 +263,13 @@ param_notify_changes(bool is_saved)
}
}
void
param_notify_changes(void)
{
_param_notify_changes(true);
}
param_t
param_find_internal(const char *name, bool notification)
{
@@ -643,7 +650,7 @@ out:
if (!param_import_done) { notify_changes = 0; }
if (params_changed && notify_changes) {
param_notify_changes(is_saved);
_param_notify_changes(is_saved);
}
if (result == 0 && !set_called_from_get) {
@@ -740,7 +747,7 @@ param_reset(param_t param)
param_unlock();
if (s != NULL) {
param_notify_changes(false);
_param_notify_changes(false);
}
return (!param_found);
@@ -760,7 +767,7 @@ param_reset_all(void)
param_unlock();
param_notify_changes(false);
_param_notify_changes(false);
}
void
@@ -792,7 +799,7 @@ param_reset_excludes(const char *excludes[], int num_excludes)
param_unlock();
param_notify_changes(false);
_param_notify_changes(false);
}
#ifdef __PX4_QURT