void ReadChannelsAndSendRSSI()
{
  uint8_t channel;
  int8_t rssi;
  
  for (channel=0;channel<255;channel++)
  {
    MRFI_RxIdle();
    mrfiSpiWriteReg(CHANNR,channel);
    MRFI_RxOn();
    rssi=MRFI_Rssi();
    print_rssi(rssi);
  }
}
/******************************************************************************
 * @fn          nwk_radioControl
 *
 * @brief       Handle radio control functions.
 *
 * input parameters
 * @param   action   - radio operation to perform. currently suppoerted:
 *                         sleep/unsleep
 * output parameters
 *
 * @return   Status of operation.
 */
smplStatus_t nwk_radioControl(ioctlAction_t action, void *val)
{
  smplStatus_t rc = SMPL_SUCCESS;

  if (IOCTL_ACT_RADIO_SLEEP == action)
  {
    /* go to sleep mode. */
    MRFI_RxIdle();
    MRFI_Sleep();
  }
  else if (IOCTL_ACT_RADIO_AWAKE == action)
  {
    MRFI_WakeUp();

#if !defined( END_DEVICE )
    MRFI_RxOn();
#endif

  }
  else if (IOCTL_ACT_RADIO_SIGINFO == action)
  {
    ioctlRadioSiginfo_t *pSigInfo = (ioctlRadioSiginfo_t *)val;
    connInfo_t          *pCInfo   = nwk_getConnInfo(pSigInfo->lid);

    if (!pCInfo)
    {
      return SMPL_BAD_PARAM;
    }
    memcpy(&pSigInfo->sigInfo, &pCInfo->sigInfo, sizeof(pCInfo->sigInfo));
  }
  else if (IOCTL_ACT_RADIO_RSSI == action)
  {
    *((rssi_t *)val) = MRFI_Rssi();
  }
  else if (IOCTL_ACT_RADIO_RXON == action)
  {
    MRFI_RxOn();
  }
  else if (IOCTL_ACT_RADIO_RXIDLE == action)
  {
    MRFI_RxIdle();
  }
  else
  {
    rc = SMPL_BAD_PARAM;
  }
  return rc;
}
smplStatus_t nwk_radioControl(ioctlAction_t action, void *val)
{
    smplStatus_t rc = SMPL_SUCCESS;

    if (IOCTL_ACT_RADIO_SLEEP == action)
    {
        /* go to sleep mode. */
        MRFI_RxIdle();
        MRFI_Sleep();
    }
    else if (IOCTL_ACT_RADIO_AWAKE == action)
    {
        MRFI_WakeUp();

#if !defined(END_DEVICE)
        MRFI_RxOn();
#endif

    }
    else if (IOCTL_ACT_RADIO_SIGINFO == action)
    {
        ioctlRadioSiginfo_t *pSigInfo = (ioctlRadioSiginfo_t *)val;
        connInfo_t          *pCInfo   = nwk_getConnInfo(pSigInfo->lid);

        if (!pCInfo)
        {
            return SMPL_BAD_PARAM;
        }
        memcpy(&pSigInfo->sigInfo, &pCInfo->sigInfo, sizeof(pCInfo->sigInfo));
    }
    else if (IOCTL_ACT_RADIO_RSSI == action)
    {
        *((rssi_t *)val) = MRFI_Rssi();
    }
    else if (IOCTL_ACT_RADIO_RXON == action)
    {
        MRFI_RxOn();
    }
    else if (IOCTL_ACT_RADIO_RXIDLE == action)
    {
        MRFI_RxIdle();
    }
#ifdef EXTENDED_API
    else if (IOCTL_ACT_RADIO_SETPWR == action)
    {
        uint8_t idx;

        switch (*(ioctlLevel_t *)val)
        {
            case IOCTL_LEVEL_2:
                idx = 2;
                break;

            case IOCTL_LEVEL_1:
                idx = 1;
                break;

            case IOCTL_LEVEL_0:
                idx = 0;
                break;

            default:
                return SMPL_BAD_PARAM;
        }
        MRFI_SetRFPwr(idx);
        return SMPL_SUCCESS;
    }
#endif  /* EXTENDED_API */
    else
    {
        rc = SMPL_BAD_PARAM;
    }
    return rc;
}