lms,uhd: Allow changing band between poweroff & poweron
Before this patch, reconnecting to osmo-trx and attempting to configure it for another band is not going to work without restarting the process. The new variable is added in order to still allow POWEROFF followed by a POWERON without need to reconfigure the device. In that case, previous configuration is kept. Change-Id: I43e5e1e4dcb36be605c6bd25dd6a5f3649e244e7
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@ -134,8 +134,9 @@ static enum lms_dev_type parse_dev_type(lms_device_t *m_lms_dev)
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LMSDevice::LMSDevice(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chan_num, double lo_offset,
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const std::vector<std::string>& tx_paths,
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const std::vector<std::string>& rx_paths):
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RadioDevice(tx_sps, rx_sps, iface, chan_num, lo_offset, tx_paths, rx_paths),
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m_lms_dev(NULL), started(false), band((enum gsm_band)0), m_dev_type(LMS_DEV_UNKNOWN)
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RadioDevice(tx_sps, rx_sps, iface, chan_num, lo_offset, tx_paths, rx_paths),
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m_lms_dev(NULL), started(false), band_ass_curr_sess(false), band((enum gsm_band)0),
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m_dev_type(LMS_DEV_UNKNOWN)
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{
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LOGC(DDEV, INFO) << "creating LMS device...";
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@ -240,16 +241,17 @@ void LMSDevice::assign_band_desc(enum gsm_band req_band)
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bool LMSDevice::set_band(enum gsm_band req_band)
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{
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if (band != 0 && req_band != band) {
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if (band_ass_curr_sess && req_band != band) {
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LOGC(DDEV, ALERT) << "Requesting band " << gsm_band_name(req_band)
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<< " different from previous band " << gsm_band_name(band);
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return false;
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}
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if (band == 0) {
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if (req_band != band) {
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band = req_band;
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assign_band_desc(band);
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}
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band_ass_curr_sess = true;
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return true;
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}
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@ -466,6 +468,8 @@ bool LMSDevice::stop()
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LMS_DestroyStream(m_lms_dev, &m_lms_stream_rx[i]);
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}
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band_ass_curr_sess = false;
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started = false;
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return true;
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}
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@ -87,6 +87,7 @@ private:
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TIMESTAMP ts_initial, ts_offset;
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std::vector<double> tx_gains, rx_gains;
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bool band_ass_curr_sess; /* true if "band" was set after last POWEROFF */
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enum gsm_band band;
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struct dev_band_desc band_desc;
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@ -225,7 +225,7 @@ uhd_device::uhd_device(size_t tx_sps, size_t rx_sps,
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const std::vector<std::string>& tx_paths,
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const std::vector<std::string>& rx_paths)
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: RadioDevice(tx_sps, rx_sps, iface, chan_num, lo_offset, tx_paths, rx_paths),
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rx_gain_min(0.0), rx_gain_max(0.0),
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rx_gain_min(0.0), rx_gain_max(0.0), band_ass_curr_sess(false),
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band((enum gsm_band)0), tx_spp(0), rx_spp(0),
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started(false), aligned(false), drop_cnt(0),
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prev_ts(0,0), ts_initial(0), ts_offset(0), async_event_thrd(NULL)
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@ -258,16 +258,17 @@ void uhd_device::assign_band_desc(enum gsm_band req_band)
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bool uhd_device::set_band(enum gsm_band req_band)
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{
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if (band != 0 && req_band != band) {
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if (band_ass_curr_sess && req_band != band) {
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LOGC(DDEV, ALERT) << "Requesting band " << gsm_band_name(req_band)
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<< " different from previous band " << gsm_band_name(band);
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return false;
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}
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if (band == 0) {
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if (req_band != band) {
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band = req_band;
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assign_band_desc(band);
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}
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band_ass_curr_sess = true;
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return true;
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}
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@ -795,6 +796,8 @@ bool uhd_device::stop()
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for (size_t i = 0; i < rx_buffers.size(); i++)
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rx_buffers[i]->reset();
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band_ass_curr_sess = false;
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started = false;
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return true;
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}
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@ -160,6 +160,7 @@ protected:
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std::vector<double> tx_gains, rx_gains;
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std::vector<double> tx_freqs, rx_freqs;
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bool band_ass_curr_sess; /* true if "band" was set after last POWEROFF */
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enum gsm_band band;
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struct dev_band_desc band_desc;
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size_t tx_spp, rx_spp;
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