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Programming—Chapter 7
271700 Series Color Mobile Computer User’s Manual
GetDiversity()
Call this function to get the current diversity setting of your 802.11b or
802.11b/g radio. T his uses an optional NDIS5.1 OID to query the radio,
of which a large number of 802.11b or 802.11b/g devices do not support.
This may be inaccurate.
Syntax UINT GetDiversity(USHORT *);
Parameters ANT_PRIMARY The primary antenna is selected.
ANT_SECONDARY The secondary antenna is selected.
ANT_DIVERSITY The radio is in diversity mode, and uses both antennas
Return Values ERROR_SUCCESS when successful, ERR_QUERY_FAILED when the query failed, or
ERR_CONNECT_FAILED if a connection with the radio f ailed.
Remarks If ERROR_SUCCESS is returned, your USHORT reference is populated with one of the parame-
ters listed above.
Definitions #ifdef DYNAMIC_LOADING
typedef UINT (*PFN_GetDiversity)(USHORT *);
#else
UINT GetDiversity(USHORT *);
#endif
GetLinkSpeed()
Call this function to get the current link speed of the 802.11b or
802.11b/g radio.
Syntax UINT GetLinkSpeed( int & );
Parameters This function accepts an int reference, and your int is populated with the current link speed, in
Mbps, rounded to the nearest whole integer, for example: 1, 2, 5, 11, etc.
Return Values ERROR_SUCCESS when successful, ERR_QUERY_FAILED when the query failed, or
ERR_CONNECT_FAILED if a connection with the radio f ailed.
Remarks Data re turned is valid if ERROR_SUCCESS is retu rned.
Definitions #ifdef DYNAMIC_LOADING
typedef UINT (*PFN_GetLinkSpeed)(int &);
#else
UINT GetLinkSpeed(int &);
#endif