/********************************************************************************************************
* @fn ZMacScanReq
*
* @brief This function is called to perform a network scan.
*
* @param param - structure with info need send it.
*
* @return status
********************************************************************************************************/
uint8 ZMacScanReq( ZMacScanReq_t *pData )
{
_ScanChannels = pData->ScanChannels;
/* scan in progress */
if (ZMac_ScanBuf != NULL)
{
return MAC_SCAN_IN_PROGRESS;
}
if (pData->ScanType != ZMAC_ORPHAN_SCAN)
{
/* Allocate memory depends on the scan type */
if (pData->ScanType == ZMAC_ED_SCAN)
{
if ((ZMac_ScanBuf = osal_mem_alloc(ZMAC_ED_SCAN_MAXCHANNELS)) == NULL)
{
return MAC_NO_RESOURCES;
}
osal_memset(ZMac_ScanBuf, 0, ZMAC_ED_SCAN_MAXCHANNELS);
pData->Result.pEnergyDetect = ((uint8*)ZMac_ScanBuf) + MAC_CHAN_11;
}
else if (pData->MaxResults > 0)
{
if ((ZMac_ScanBuf = pData->Result.pPanDescriptor =
osal_mem_alloc( sizeof( ZMacPanDesc_t ) * pData->MaxResults )) == NULL)
{
return MAC_NO_RESOURCES;
}
}
}
/* Right now, set security to zero */
pData->Sec.SecurityLevel = false;
/* Channel Page */
pData->ChannelPage = 0x00;
MAC_MlmeScanReq ((macMlmeScanReq_t *)pData);
return ZMacSuccess;
}
/**************************************************************************************************
* @brief Performs active scan on specified channel
* @param None
* @return None
**************************************************************************************************/
void NWK_ScanReq(uint8 scanType, uint8 scanDuration)
{
macMlmeScanReq_t scanReq;
/* Fill in information for scan request structure */
scanReq.scanChannels = NWK_SCAN_CHANNELS;
scanReq.scanType = scanType;
scanReq.scanDuration = scanDuration;
scanReq.maxResults = NWK_MAC_MAX_RESULTS;
scanReq.permitJoining = NWK_EBR_PERMITJOINING;
scanReq.linkQuality = NWK_EBR_LINKQUALITY;
scanReq.percentFilter = NWK_EBR_PERCENTFILTER;
if (scanType != MAC_SCAN_ED){
scanReq.result.pPanDescriptor = (macPanDesc_t*) &scanResult;
}
else{
scanReq.result.pEnergyDetect = (uint8*) &scanResult;
}
osal_memset(&scanReq.sec, 0, sizeof(macSec_t));
/* Call scan request */
MAC_MlmeScanReq(&scanReq);
}
