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param subsystem: Only send the instantiated parameters via telemetry

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Lorenz Meier
2015-03-21 22:01:28 +01:00
parent 23655675d3
commit fe12bffefa
4 changed files with 75 additions and 9 deletions
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src/modules/systemlib/param/param.h
+13 -1
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@@ -87,9 +87,19 @@ typedef uintptr_t param_t;
*
* @param name The canonical name of the parameter being looked up.
* @return A handle to the parameter, or PARAM_INVALID if the parameter does not exist.
* This call will also set the parameter as "used" in the system, which is used
* to e.g. show the parameter via the RC interface
*/
__EXPORT param_t param_find(const char *name);
/**
* Look up a parameter by name.
*
* @param name The canonical name of the parameter being looked up.
* @return A handle to the parameter, or PARAM_INVALID if the parameter does not exist.
*/
__EXPORT param_t param_find_no_notification(const char *name);
/**
* Return the total number of parameters.
*
@@ -254,8 +264,10 @@ __EXPORT int param_load(int fd);
* @param arg Argument passed to the function.
* @param only_changed If true, the function is only called for parameters whose values have
* been changed from the default.
* @param only_changed If true, the function is only called for parameters which have been
* used in one of the running applications.
*/
__EXPORT void param_foreach(void (*func)(void *arg, param_t param), void *arg, bool only_changed);
__EXPORT void param_foreach(void (*func)(void *arg, param_t param), void *arg, bool only_changed, bool only_used);
/**
* Set the default parameter file name.