Exemplo n.º 1
0
void FMSTR_AppCmdSetResponseData(FMSTR_ADDR nResultDataAddr, FMSTR_SIZE nResultDataLen)
{
    /* any data supplied by user? */
    if(nResultDataAddr)
    {
        /* response data length is trimmed if response data would not fit into buffer */
        pcm_nAppCmdResultDataLen = (FMSTR_SIZE8) nResultDataLen;
        if(pcm_nAppCmdResultDataLen > (FMSTR_SIZE8) FMSTR_APPCMD_BUFF_SIZE)
        {
            pcm_nAppCmdResultDataLen = (FMSTR_SIZE8) FMSTR_APPCMD_BUFF_SIZE;
        }

        if(pcm_nAppCmdResultDataLen > 0U)
        {
            FMSTR_ADDR appCmdBuffAddr;
            FMSTR_ARR2ADDR(appCmdBuffAddr, pcm_pAppCmdBuff);
            FMSTR_CopyMemory(appCmdBuffAddr, nResultDataAddr, pcm_nAppCmdResultDataLen);
        }
    }
    else
    {
        /* no data being returned at all (same effect as pure FMSTR_AppCmdAck) */
        pcm_nAppCmdResultDataLen = 0U;
    }
}
Exemplo n.º 2
0
static void FMSTR_Recorder2(void)
{
    FMSTR_SIZE8 sz;
    FMSTR_BOOL cmp;
    FMSTR_U8 i;

#if (FMSTR_REC_STATIC_DIVISOR) != 1
    /* skip this call ? */
    if(pcm_wRecTimeDivCtr)
    {
        /* maybe next time... */
        pcm_wRecTimeDivCtr--;
        return;
    }
    
    /* re-initialize divider */
#if (FMSTR_REC_STATIC_DIVISOR) == 0
    pcm_wRecTimeDivCtr = pcm_wRecTimeDiv;
#else 
    pcm_wRecTimeDivCtr = FMSTR_REC_STATIC_DIVISOR;
#endif /* (FMSTR_REC_STATIC_DIVISOR) == 0 */
#endif /* (FMSTR_REC_STATIC_DIVISOR) != 1 */

    /* take snapshot of variable values */
    for (i=0U; i<pcm_nRecVarCount; i++)
    {
        sz = pcm_pRecVarSize[i];
        FMSTR_CopyMemory(pcm_dwRecWritePtr, pcm_pRecVarAddr[i], sz);
        sz /= FMSTR_CFG_BUS_WIDTH;
        pcm_dwRecWritePtr += sz;
    }
    
    /* another sample taken (startIx "points" after sample just taken) */
    /* i.e. it points to the oldest sample */
    pcm_wRecBuffStartIx++;
    
    /* wrap around (circular buffer) ? */
    if(pcm_dwRecWritePtr >= pcm_dwRecEndBuffPtr)
    {   
        pcm_dwRecWritePtr = pcm_nRecBuffAddr;
        pcm_wRecFlags.flg.bInvirginCycle = 0U;
        pcm_wRecBuffStartIx = 0U;
    }

    /* no trigger testing in virgin cycle */
    if(pcm_wRecFlags.flg.bInvirginCycle)
    {
        return;
    }
    
    /* test trigger condition if still running */
    if(!pcm_wRecFlags.flg.bIsStopping && pcm_pCompareFunc != NULL)
    {
        /* compare trigger threshold */
        cmp = pcm_pCompareFunc();
        
        /* negated logic (falling-edge) ? */
        if(pcm_nRecTriggerMode == 2U)
        {
            cmp = (FMSTR_BOOL) !cmp;
        }
        
        /* above threshold ? */
        if(cmp)
        {
            /* were we at least once below threshold ? */
            if(pcm_wRecFlags.flg.bTrgCrossActive)
            {
                /* EDGE TRIGGER ! */
                FMSTR_TriggerRec();
            }
        }
        else
        {
            /* we got bellow threshold, now wait for being above threshold */
            pcm_wRecFlags.flg.bTrgCrossActive = 1U;
        }
    }
    
    /* in stopping mode ? (note that this bit might have been set just above!) */
    if(pcm_wRecFlags.flg.bIsStopping)
    {
        /* count down post-trigger samples expired ? */
        if(!pcm_wStoprecCountDown)
        {
            /* STOP RECORDER */
            pcm_wRecFlags.flg.bIsRunning = 0U;
            return;
        }
        
        /* perhaps next time */
        pcm_wStoprecCountDown--;
    }
}