Maxim-integrated 73M1866B/73M1966B Infineon TAPI High-Level Driver Bedienungsanleitung PDF herunterladen (Seite 22)

73M1866B/73M1966B TAPI High-Level Driver User Guide UG_1x66B_021

22 Rev. 2.2

3.19 IFX_TAPI_FXO_RING_ GET

Description

Receives ring status from the FXO interface.

#define IFX_TAPI_FXO_RING_GET _IOW(IFX_TAPI_IOC_MAGIC, 0xE0, int)

Prototype

int ioctl (

int chan_fd,

int IFX_TAPI_FXO_RING_GET,

unsigned long param );

Parameters

Data Type Name Description

int

chan_fd

Channel descriptor.

int

IFX_TAPI_FXO_RING_GET

I/O control identifier for this operation.

unsigned long param

Points to IFX_boolean_t type,indicating

the ringing status of the FXO line.

• IFX_TRUE the line is ringing.

• IFX_FALSE the line is not ringing.

Return Values

Data Type Description

int

IFX_ERROR – Failed to read ring status.

IFX_SUCCESS – Successful.

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Maxim-integrated 73M1866B/73M1966B Infineon TAPI High-Level Driver Bedienungsanleitung Seite 22