17 ifx_tapi_fxo_bat_ get, Ifx_tapi_fxo_bat_ get – Maxim Integrated 73M1866B/73M1966B Infineon TAPI High-Level Driver User Manual
Page 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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