set the callback for vfo events
|rig||The rig handle |
|cb||The callback to install |
|arg||A Pointer to some private data to pass later on to the callback|
Install a callback for vfo events, to be called when in transceive mode.
- RIG_OK if the operation has been sucessful, otherwise a negative value if an error occured (in which case, cause is set appropriately).
- See also:
Definition at line 486 of file event.c.
References callbacks, RIG_EINVAL, RIG_OK, rig_callbacks::vfo_arg, and rig_callbacks::vfo_event.