C++ (Cpp) ath9k_hw_do_getnf Examples

Example #1

File: calib.c Project: 325116067/semc-qsd8x50

int16_t ath9k_hw_getnf(struct ath_hw *ah,
		       struct ath9k_channel *chan)
{
	int16_t nf, nfThresh;
	int16_t nfarray[NUM_NF_READINGS] = { 0 };
	struct ath9k_nfcal_hist *h;
	struct ieee80211_channel *c = chan->chan;

	chan->channelFlags &= (~CHANNEL_CW_INT);
	if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
			"NF did not complete in calibration window\n");
		nf = 0;
		chan->rawNoiseFloor = nf;
		return chan->rawNoiseFloor;
	} else {
		ath9k_hw_do_getnf(ah, nfarray);
		nf = nfarray[0];
		if (getNoiseFloorThresh(ah, c->band, &nfThresh)
		    && nf > nfThresh) {
			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
				"noise floor failed detected; "
				"detected %d, threshold %d\n",
				nf, nfThresh);
			chan->channelFlags |= CHANNEL_CW_INT;
		}
	}

	h = ah->nfCalHist;

	ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
	chan->rawNoiseFloor = h[0].privNF;

	return chan->rawNoiseFloor;
}

Example #2

File: calib.c Project: johnny/CobraDroidBeta

int16_t ath9k_hw_getnf(struct ath_hal *ah,
		       struct ath9k_channel *chan)
{
	int16_t nf, nfThresh;
	int16_t nfarray[NUM_NF_READINGS] = { 0 };
	struct ath9k_nfcal_hist *h;
	u8 chainmask;

	if (AR_SREV_9280(ah))
		chainmask = 0x1B;
	else
		chainmask = 0x3F;

	chan->channelFlags &= (~CHANNEL_CW_INT);
	if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
		DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
			"NF did not complete in calibration window\n");
		nf = 0;
		chan->rawNoiseFloor = nf;
		return chan->rawNoiseFloor;
	} else {
		ath9k_hw_do_getnf(ah, nfarray);
		nf = nfarray[0];
		if (getNoiseFloorThresh(ah, chan, &nfThresh)
		    && nf > nfThresh) {
			DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE,
				"noise floor failed detected; "
				"detected %d, threshold %d\n",
				nf, nfThresh);
			chan->channelFlags |= CHANNEL_CW_INT;
		}
	}

#ifdef ATH_NF_PER_CHAN
	h = chan->nfCalHist;
#else
	h = ah->nfCalHist;
#endif

	ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
	chan->rawNoiseFloor = h[0].privNF;

	return chan->rawNoiseFloor;
}

Example #3

File: calib.c Project: 253627764/GT-I9500

bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
{
	struct ath_common *common = ath9k_hw_common(ah);
	int16_t nf, nfThresh;
	int16_t nfarray[NUM_NF_READINGS] = { 0 };
	struct ath9k_nfcal_hist *h;
	struct ieee80211_channel *c = chan->chan;
	struct ath9k_hw_cal_data *caldata = ah->caldata;

	chan->channelFlags &= (~CHANNEL_CW_INT);
	if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
		ath_dbg(common, CALIBRATE,
			"NF did not complete in calibration window\n");
		return false;
	}

	ath9k_hw_do_getnf(ah, nfarray);
	ath9k_hw_nf_sanitize(ah, nfarray);
	nf = nfarray[0];
	if (ath9k_hw_get_nf_thresh(ah, c->band, &nfThresh)
	    && nf > nfThresh) {
		ath_dbg(common, CALIBRATE,
			"noise floor failed detected; detected %d, threshold %d\n",
			nf, nfThresh);
		chan->channelFlags |= CHANNEL_CW_INT;
	}

	if (!caldata) {
		chan->noisefloor = nf;
		ah->noise = ath9k_hw_getchan_noise(ah, chan);
		return false;
	}

	h = caldata->nfCalHist;
	caldata->nfcal_pending = false;
	ath9k_hw_update_nfcal_hist_buffer(ah, caldata, nfarray);
	chan->noisefloor = h[0].privNF;
	ah->noise = ath9k_hw_getchan_noise(ah, chan);
	return true;
}