Maxim Integrated 73M1866B/73M1966B FXOAPI - Manual (Page 25)

UG_1x66B_046 73M1866B/73M1966B FXOAPI User Guide
Rev. 2.1 25
2.8 Loopback Control APIs
2.8.1 M1x66_LoopbackGet
Description
This API reads the current status of the loopback. The active loopback mode will be returned to the
variable pointed by the passing parameter.
Prototype
M1x66_RET M1x66_LoopbackGet (M1x66_HANDLE chanHandle,
M1966_LOOPBACK_MODE *pLoopbackType)
Parameters
Data Type Name Description
M1x66_HANDLE chanHandle Channel handle from FXO open channel.
M1966_LOOPBACK_MODE *pLoopbackType Pointer to the loopback mode variable (output)
Return Values
Data Type Description
M1x66_RET M1x66_SUCCESS – Successful.
M1x66_FAILED – Failure.
2.8.2 M1x66_LoopbackSet
Description
This API sets the transmit and receive data path into a loopback mode. The desired loopback mode will
be set on the transmit and receive data path.
Prototype
M1x66_RET M1x66_LoopbackSet (M1x66_HANDLE chanHandle,
M1966_LOOPBACK_MODE loopbackType)
Parameters
Data Type Name Description
M1x66_HANDLE chanHandle Channel handle from FXO open channel.
M1966_LOOPBACK_MODE loopbackType Loopback mode
Return Values
Data Type Description
M1x66_RET M1x66_SUCCESS – Successful.
M1x66_FAILED – Failure.