lms: Check LPBFW to set is within supported range
As of LimeSuite 618fbb9c3188b36d75ad5785a97b8887dcc468f6, it seems 5e6 is within the returned range, but LMS_SetLPFBW fails anyway. See for more information: https://github.com/myriadrf/LimeSuite/issues/184 Change-Id: I967e7da7c0e3e8138b76733ee4a0e6311d20b62e
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f7905ac548
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@ -77,10 +77,18 @@ static void thread_enable_cancel(bool cancel)
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pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
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}
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static void print_range(const char* name, lms_range_t *range)
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{
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LOG(DEBUG) << name << ": Min=" << range->min << " Max=" << range->max
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<< " Step=" << range->step;
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}
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int LMSDevice::open(const std::string &args, int ref, bool swap_channels)
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{
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//lms_info_str_t dev_str;
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lms_info_str_t* info_list;
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lms_range_t range_lpfbw_rx, range_lpfbw_tx, range_sr;
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float_type sr_host, sr_rf, lpfbw_rx, lpfbw_tx;
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uint16_t dac_val;
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unsigned int i, n;
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int rc;
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@ -118,18 +126,18 @@ int LMSDevice::open(const std::string &args, int ref, bool swap_channels)
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return -1;
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}
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lms_range_t range;
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if (LMS_GetSampleRateRange(m_lms_dev, LMS_CH_RX, &range))
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if (LMS_GetSampleRateRange(m_lms_dev, LMS_CH_RX, &range_sr))
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goto out_close;
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LOG(DEBUG) << "Sample Rate: Min=" << range.min << " Max=" << range.max << " Step=" << range.step;
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print_range("Sample Rate", &range_sr);
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LOG(DEBUG) << "Setting sample rate to " << GSMRATE*sps << " " << sps;
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if (LMS_SetSampleRate(m_lms_dev, GSMRATE*sps, 32) < 0)
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goto out_close;
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float_type sr_host, sr_rf;
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if (LMS_GetSampleRate(m_lms_dev, LMS_CH_RX, 0, &sr_host, &sr_rf))
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goto out_close;
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LOG(DEBUG) << "Sample Rate: Host=" << sr_host << " RF=" << sr_rf;
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/* FIXME: make this device/model dependent, like UHDDevice:dev_param_map! */
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//ts_offset = static_cast<TIMESTAMP>(8.9e-5 * GSMRATE);
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ts_offset = 0;
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@ -155,11 +163,23 @@ int LMSDevice::open(const std::string &args, int ref, bool swap_channels)
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goto out_close;
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}
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if (LMS_GetLPFBWRange(m_lms_dev, LMS_CH_RX, &range_lpfbw_rx))
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goto out_close;
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print_range("LPFBWRange Rx", &range_lpfbw_rx);
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if (LMS_GetLPFBWRange(m_lms_dev, LMS_CH_RX, &range_lpfbw_tx))
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goto out_close;
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print_range("LPFBWRange Tx", &range_lpfbw_tx);
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lpfbw_rx = OSMO_MIN(OSMO_MAX(1.4001e6, range_lpfbw_rx.min), range_lpfbw_rx.max);
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lpfbw_tx = OSMO_MIN(OSMO_MAX(5.2e6, range_lpfbw_tx.min), range_lpfbw_tx.max);
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LOG(DEBUG) << "LPFBW: Rx=" << lpfbw_rx << " Tx=" << lpfbw_tx;
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/* Perform Rx and Tx calibration */
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for (i=0; i<chans; i++) {
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if (LMS_SetLPFBW(m_lms_dev, LMS_CH_RX, i, 1.4001e6) < 0)
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LOG(INFO) << "Setting LPFBW chan " << i;
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if (LMS_SetLPFBW(m_lms_dev, LMS_CH_RX, i, lpfbw_rx) < 0)
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goto out_close;
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if (LMS_SetLPFBW(m_lms_dev, LMS_CH_TX, i, 5.2e6) < 0)
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if (LMS_SetLPFBW(m_lms_dev, LMS_CH_TX, i, lpfbw_tx) < 0)
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goto out_close;
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LOG(INFO) << "Calibrating chan " << i;
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if (LMS_Calibrate(m_lms_dev, LMS_CH_RX, i, LMS_CALIBRATE_BW_HZ, 0) < 0)
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