Maxim Integrated 73M1866B/73M1966B Reference Driver - Manual (Page 52)

73M1866B/73M1966B Reference Driver User Guide UG_1x66B_015
52 Rev. 2.7
6.3.9 M1966_SEND_WETTING_PULSE
Description
Performs hook flashing on the FXO interface for the duration set by param.
#define M1966_FLSH_SET _IOWR(0xA4,0xBC,unsigned int)
Prototype
int ioctl (
int chan_fd,
int M1966_SEND_WETTING_PULSE,
unsigned long param );
Parameters
Data Type Name Description
int chan_fd Channel descriptor.
int M1966_SEND_WETTING_PULSE I/O control identifier for this operation.
unsigned long param Integer representing the desired wetting pulse
duration. Range from 1 to 1000 ms. Out of
range behavior is undefined.
Return Values
Data Type Description
int 0 – Successful.
-1 – FXO channel is not off-hook.