diff options
Diffstat (limited to 'host/lib/usrp/dboard/db_sbx_version4.cpp')
| -rw-r--r-- | host/lib/usrp/dboard/db_sbx_version4.cpp | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/host/lib/usrp/dboard/db_sbx_version4.cpp b/host/lib/usrp/dboard/db_sbx_version4.cpp index 5c76a1b12..cf6dc4553 100644 --- a/host/lib/usrp/dboard/db_sbx_version4.cpp +++ b/host/lib/usrp/dboard/db_sbx_version4.cpp @@ -18,22 +18,30 @@ using namespace boost::assign; /*********************************************************************** * Structors **********************************************************************/ -sbx_xcvr::sbx_version4::sbx_version4(sbx_xcvr *_self_sbx_xcvr) { - //register the handle to our base SBX class +sbx_xcvr::sbx_version4::sbx_version4(sbx_xcvr* _self_sbx_xcvr) +{ + // register the handle to our base SBX class self_base = _self_sbx_xcvr; - _txlo = adf435x_iface::make_adf4351(std::bind(&sbx_xcvr::sbx_version4::write_lo_regs, this, dboard_iface::UNIT_TX, std::placeholders::_1)); - _rxlo = adf435x_iface::make_adf4351(std::bind(&sbx_xcvr::sbx_version4::write_lo_regs, this, dboard_iface::UNIT_RX, std::placeholders::_1)); + _txlo = adf435x_iface::make_adf4351(std::bind(&sbx_xcvr::sbx_version4::write_lo_regs, + this, + dboard_iface::UNIT_TX, + std::placeholders::_1)); + _rxlo = adf435x_iface::make_adf4351(std::bind(&sbx_xcvr::sbx_version4::write_lo_regs, + this, + dboard_iface::UNIT_RX, + std::placeholders::_1)); } -sbx_xcvr::sbx_version4::~sbx_version4(void){ +sbx_xcvr::sbx_version4::~sbx_version4(void) +{ /* NOP */ } -void sbx_xcvr::sbx_version4::write_lo_regs(dboard_iface::unit_t unit, const std::vector<uint32_t> ®s) +void sbx_xcvr::sbx_version4::write_lo_regs( + dboard_iface::unit_t unit, const std::vector<uint32_t>& regs) { - for(uint32_t reg: regs) - { + for (uint32_t reg : regs) { self_base->get_iface()->write_spi(unit, spi_config_t::EDGE_RISE, reg, 32); } } @@ -42,42 +50,44 @@ void sbx_xcvr::sbx_version4::write_lo_regs(dboard_iface::unit_t unit, const std: /*********************************************************************** * Tuning **********************************************************************/ -double sbx_xcvr::sbx_version4::set_lo_freq(dboard_iface::unit_t unit, double target_freq) { - UHD_LOGGER_TRACE("SBX") << boost::format( - "SBX tune: target frequency %f MHz" - ) % (target_freq/1e6) ; +double sbx_xcvr::sbx_version4::set_lo_freq(dboard_iface::unit_t unit, double target_freq) +{ + UHD_LOGGER_TRACE("SBX") << boost::format("SBX tune: target frequency %f MHz") + % (target_freq / 1e6); /* * If the user sets 'mode_n=integer' in the tuning args, the user wishes to * tune in Integer-N mode, which can result in better spur * performance on some mixers. The default is fractional tuning. */ - property_tree::sptr subtree = (unit == dboard_iface::UNIT_RX) ? self_base->get_rx_subtree() - : self_base->get_tx_subtree(); + property_tree::sptr subtree = (unit == dboard_iface::UNIT_RX) + ? self_base->get_rx_subtree() + : self_base->get_tx_subtree(); device_addr_t tune_args = subtree->access<device_addr_t>("tune_args").get(); - bool is_int_n = boost::iequals(tune_args.get("mode_n",""), "integer"); + bool is_int_n = boost::iequals(tune_args.get("mode_n", ""), "integer"); - //Select the LO + // Select the LO adf435x_iface::sptr& lo_iface = unit == dboard_iface::UNIT_RX ? _rxlo : _txlo; lo_iface->set_feedback_select(adf435x_iface::FB_SEL_DIVIDED); lo_iface->set_reference_freq(self_base->get_iface()->get_clock_rate(unit)); - //Use 8/9 prescaler for vco_freq > 3 GHz (pg.18 prescaler) - lo_iface->set_prescaler(target_freq > 3.6e9 ? adf435x_iface::PRESCALER_8_9 : adf435x_iface::PRESCALER_4_5); + // Use 8/9 prescaler for vco_freq > 3 GHz (pg.18 prescaler) + lo_iface->set_prescaler(target_freq > 3.6e9 ? adf435x_iface::PRESCALER_8_9 + : adf435x_iface::PRESCALER_4_5); - //Configure the LO + // Configure the LO double actual_freq = 0.0; actual_freq = lo_iface->set_frequency(sbx_freq_range.clip(target_freq), is_int_n); - if ((unit == dboard_iface::UNIT_TX) and (actual_freq == sbx_tx_lo_2dbm.clip(actual_freq))) { + if ((unit == dboard_iface::UNIT_TX) + and (actual_freq == sbx_tx_lo_2dbm.clip(actual_freq))) { lo_iface->set_output_power(adf435x_iface::OUTPUT_POWER_2DBM); } else { lo_iface->set_output_power(adf435x_iface::OUTPUT_POWER_5DBM); } - //Write to hardware + // Write to hardware lo_iface->commit(); return actual_freq; } - |