sbgEComBinaryLogStatus.c

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#include "sbgEComBinaryLogStatus.h"

//----------------------------------------------------------------------//
//- Operations                                                         -//
//----------------------------------------------------------------------//

SbgErrorCode sbgEComBinaryLogParseStatusData(SbgStreamBuffer *pInputStream, SbgLogStatusData *pOutputData)
{
        assert(pInputStream);
        assert(pOutputData);

        //
        // Read the frame payload
        //
        pOutputData->timeStamp          = sbgStreamBufferReadUint32LE(pInputStream);
        pOutputData->generalStatus      = sbgStreamBufferReadUint16LE(pInputStream);
        pOutputData->reserved1          = sbgStreamBufferReadUint16LE(pInputStream);
        pOutputData->comStatus          = sbgStreamBufferReadUint32LE(pInputStream);
        pOutputData->aidingStatus       = sbgStreamBufferReadUint32LE(pInputStream);
        pOutputData->reserved2          = sbgStreamBufferReadUint32LE(pInputStream);
        pOutputData->reserved3          = sbgStreamBufferReadUint16LE(pInputStream);
        
        //
        // Test if we have a additional information such as uptime (since version 1.7)
        //
        if (sbgStreamBufferGetSpace(pInputStream) >= sizeof(uint32_t))
        {
                //
                // Read the additional information
                //
                pOutputData->uptime             = sbgStreamBufferReadUint32LE(pInputStream);
        }
        else
        {
                //
                // Default the additional information
                //
                pOutputData->uptime = 0;
        }
        
        //
        // Return if any error has occurred while parsing the frame
        //
        return sbgStreamBufferGetLastError(pInputStream);
}

SbgErrorCode sbgEComBinaryLogWriteStatusData(SbgStreamBuffer *pOutputStream, const SbgLogStatusData *pInputData)
{
        assert(pOutputStream);
        assert(pInputData);

        //
        // Write the frame payload
        //
        sbgStreamBufferWriteUint32LE(pOutputStream, pInputData->timeStamp);
        sbgStreamBufferWriteUint16LE(pOutputStream, pInputData->generalStatus);
        sbgStreamBufferWriteUint16LE(pOutputStream, pInputData->reserved1);
        sbgStreamBufferWriteUint32LE(pOutputStream, pInputData->comStatus);
        sbgStreamBufferWriteUint32LE(pOutputStream, pInputData->aidingStatus);
        sbgStreamBufferWriteUint32LE(pOutputStream, pInputData->reserved2);
        sbgStreamBufferWriteUint16LE(pOutputStream, pInputData->reserved3);
        
        //
        // Write the additional information added in version 1.7
        //
        sbgStreamBufferWriteUint32LE(pOutputStream, pInputData->uptime);

        //
        // Return if any error has occurred while writing the frame
        //
        return sbgStreamBufferGetLastError(pOutputStream);
}