The BASEBAND_CHANNEL_INFO structure describes output information about the baseband channel that is used by a SCO link after a BRB_GET_CHANNEL_INFO BRB completes.

typedef struct _BASEBAND_CHANNEL_INFO {
  UCHAR  Transmission_Interval;
  UCHAR  Retransmission_Window;
  UCHAR  AirMode;
  USHORT  Rx_Packet_Length;
  USHORT  Tx_Packet_Length;
}BASEBAND_CHANNEL_INFO, *PBASEBAND_CHANNEL_INFO;

Members

Transmission_Interval

The elapsed time, in slots, between two consecutive SCO instants. This member will return zero for SCO links.

Retransmission_Window

The length of time, in slots, that an eSCO channel can use to retransmit a request. This member will return zero for SCO links.

AirMode

The air mode data format used by the baseband channel. Possible values include:

A-LAW LOG
CVSD
MU-LAW LOG
TRANSPARENT DATA

Rx_Packet_Length

The size, in bytes, of the eSCO payload in the receive direction. This member will return zero for SCO links.

Tx_Packet_Length

The size, in bytes, of the eSCO payload in the transmit direction. This member will return zero for SCO links.

Comments

Profile drivers access the BASEBAND_CHANNEL_INFO structure through the BasebandInfo member of the _BRB_SCO_GET_CHANNEL_INFO structure.

Requirements

Versions: Supported in Windows Vista, and later.

Headers: Declared in Bthddi.h. Include Bthddi.h.

See Also

_BRB_SCO_GET_CHANNEL_INFO