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FirstGPS Starter Kit User Guide
59
Using the FirstGPS API
A
1.7
FirstGPS API - Function Descriptions
1.7.1
navGetBbAddr
Get starting BBRAM address.
Description
The function navGetBbAddr provides the calling application with the
size and address location of the battery backed up memory (BBRAM)
section during the power-up or power-down sequence. During power-
up, it is called by the host application prior to calling the navGpsStart
function.
Included Header File
#include “npStdIface.h”
Format
npRetCode navGetBbAddr (U8** ppucAddr, U32* pulSize);
OutPut Parameters
Return Values
Data Type Parameter Description
U8** ppucAddr A pointer to a pointer which contains the
BBRAM beginning address updated by the
navigation platform.
U32* pulSize A pointer to U32 that has the size of the
entire BBRAM in bytes. This field is also
updated by the navigation platform.
Value Description
NAV_OK The BBRAM address is retrieved
successfully.
NAV_ERROR The BBRAM address is not retrieved
successfully.