Maxim-integrated 73M1866B/73M1966B Infineon TAPI High-Level Driver Instrukcja Użytkownika Pobierz pdf (Strona 20)

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

20 Rev. 2.2

3.17 IFX_TAPI_FXO_BAT_ GET

Description

Receives battery status from the FXO interface.

#define IFX_TAPI_FXO_BAT_GET _IOW(IFX_TAPI_IOC_MAGIC, 0xDD, int)

Prototype

int ioctl (

int chan_fd,

int IFX_TAPI_FXO_BAT_GET,

unsigned long param );

Parameters

Data Type Name Description

int

chan_fd

Channel descriptor.

int

IFX_TAPI_FXO_BAT_GET

I/O control identifier for this operation.

unsigned long param

Points to IFX_boolean_t type,

indicating the battery status

• IFX_TRUE if the FXO port is

disconnected from the PSTN (battery

absent).

• IFX_FALSE if the FXO port is

connected to the PSTN (battery

present).

Return Values

Data Type Description

int

IFX_ERROR – Failed to read battery status.

IFX_SUCCESS – Successful.

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Maxim-integrated 73M1866B/73M1966B Infineon TAPI High-Level Driver Instrukcja Użytkownika Strona 20