Controllable changed

Description

Functions to set notifications that are triggered when the generator controllable state has changed.

In certain conditions like when performing a streaming measurement with the oscilloscope, the generator cannot be controlled.

Functions
void	GenSetCallbackControllableChanged (TpDeviceHandle_t hDevice, TpCallback_t pCallback, void *pData)
	Set a callback function which is called when the generator controllable property changes. More...
void	GenSetEventControllableChanged (TpDeviceHandle_t hDevice, int fdEvent)
	Set an event file descriptor which is set when the generator controllable property changes. More...

Function Documentation

void GenSetCallbackControllableChanged	(	TpDeviceHandle_t	hDevice,
		TpCallback_t	pCallback,
		void *	pData
	)

Set a callback function which is called when the generator controllable property changes.

Parameters

[in]	hDevice	A device handle identifying the generator.
[in]	pCallback	A pointer to the callback function. Use NULL to disable.
[in]	pData	Optional user data.

Status values

INVALID_HANDLE	The handle is not a valid generator handle.
DEVICE_GONE	The device indicated by the device handle is no longer available.
LIBRARY_NOT_INITIALIZED	The library is not initialized, see LibInit().
SUCCESS	The function executed successfully.

See also

GenIsControllable

Since

0.4.0

void GenSetEventControllableChanged	(	TpDeviceHandle_t	hDevice,
		int	fdEvent
	)

Set an event file descriptor which is set when the generator controllable property changes.

Parameters

[in]	hDevice	A device handle identifying the generator.
[in]	fdEvent	An event file descriptor. Use <0 to disable.

Note

This function is only available on GNU/Linux.

Status values

INVALID_HANDLE	The handle is not a valid generator handle.
DEVICE_GONE	The device indicated by the device handle is no longer available.
LIBRARY_NOT_INITIALIZED	The library is not initialized, see LibInit().
SUCCESS	The function executed successfully.

See also

GenIsControllable

Since

0.4.0