#include "yocto_api.h"
#include <cfloat>
#include <cmath>
#include <map>
Go to the source code of this file.
typedef void(* YOsControlValueCallback) (YOsControl *func, const string &functionValue) |
Retrieves OS control for a given identifier. The identifier can be specified using several formats:
-
FunctionLogicalName
-
ModuleSerialNumber.FunctionIdentifier
-
ModuleSerialNumber.FunctionLogicalName
-
ModuleLogicalName.FunctionIdentifier
-
ModuleLogicalName.FunctionLogicalName
This function does not require that the OS control is online at the time it is invoked. The returned object is nevertheless valid. Use the method YOsControl.isOnline() to test if the OS control is indeed online at a given time. In case of ambiguity when looking for OS control by logical name, no error is notified: the first instance found is returned. The search is performed first by hardware name, then by logical name.
If a call to this object's is_online() method returns FALSE although you are certain that the matching device is plugged, make sure that you did call registerHub() at application initialization time.
- Parameters
-
func | : a string that uniquely characterizes the OS control |
- Returns
- a YOsControl object allowing you to drive the OS control.
Definition at line 229 of file yocto_oscontrol.h.
Starts the enumeration of OS control currently accessible. Use the method YOsControl.nextOsControl() to iterate on next OS control.
- Returns
- a pointer to a YOsControl object, corresponding to the first OS control currently online, or a NULL pointer if there are none.
Definition at line 240 of file yocto_oscontrol.h.