diff options
Diffstat (limited to 'host/lib/usrp/dboard/db_sbx.cpp')
| -rw-r--r-- | host/lib/usrp/dboard/db_sbx.cpp | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/host/lib/usrp/dboard/db_sbx.cpp b/host/lib/usrp/dboard/db_sbx.cpp index 40e1a8851..2726332cd 100644 --- a/host/lib/usrp/dboard/db_sbx.cpp +++ b/host/lib/usrp/dboard/db_sbx.cpp @@ -46,7 +46,7 @@ #define TX_MIXER_ENB (TXMOD_EN|ADF4350_PDBRF) #define TX_MIXER_DIS 0 -#define RX_MIXER_ENB (LO_LPF_EN|ADF4350_PDBRF) +#define RX_MIXER_ENB (ADF4350_PDBRF) #define RX_MIXER_DIS 0 // Pin functions @@ -75,7 +75,7 @@ #include <uhd/usrp/subdev_props.hpp> #include <uhd/types/ranges.hpp> #include <uhd/types/sensors.hpp> -#include <uhd/utils/assert.hpp> +#include <uhd/utils/assert_has.hpp> #include <uhd/utils/static.hpp> #include <uhd/utils/algorithm.hpp> #include <uhd/utils/warning.hpp> @@ -92,10 +92,22 @@ using namespace boost::assign; /*********************************************************************** * The SBX dboard constants **********************************************************************/ -static const bool sbx_debug = true; +static const bool sbx_debug = false; static const freq_range_t sbx_freq_range(68.75e6, 4.4e9); +static const freq_range_t sbx_tx_lo_2dbm = list_of + (range_t(0.35e9, 0.37e9)) +; + +static const freq_range_t sbx_enable_tx_lo_filter = list_of + (range_t(0.4e9, 1.5e9)) +; + +static const freq_range_t sbx_enable_rx_lo_filter = list_of + (range_t(0.4e9, 1.5e9)) +; + static const prop_names_t sbx_tx_antennas = list_of("TX/RX"); static const prop_names_t sbx_rx_antennas = list_of("TX/RX")("RX2"); @@ -278,28 +290,31 @@ void sbx_xcvr::update_atr(void){ //calculate atr pins int rx_pga0_iobits = rx_pga0_gain_to_iobits(_rx_gains["PGA0"]); int tx_pga0_iobits = tx_pga0_gain_to_iobits(_tx_gains["PGA0"]); + int rx_lo_lpf_en = (_rx_lo_freq == sbx_enable_rx_lo_filter.clip(_rx_lo_freq)) ? LO_LPF_EN : 0; + int tx_lo_lpf_en = (_tx_lo_freq == sbx_enable_tx_lo_filter.clip(_tx_lo_freq)) ? LO_LPF_EN : 0; //setup the tx atr (this does not change with antenna) this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_IDLE, - tx_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_DIS); + tx_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, - tx_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_DIS); + tx_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, - tx_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_ENB); + tx_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_ENB); this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, - tx_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_ENB); + tx_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_ENB); //setup the rx atr (this does not change with antenna) this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_IDLE, - rx_pga0_iobits | RX_POWER_UP | LNASW | RX_MIXER_DIS); + rx_pga0_iobits | rx_lo_lpf_en | RX_POWER_UP | LNASW | RX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_TX_ONLY, - rx_pga0_iobits | RX_POWER_UP | LNASW | RX_MIXER_DIS); + rx_pga0_iobits | rx_lo_lpf_en | RX_POWER_UP | LNASW | RX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, - rx_pga0_iobits | RX_POWER_UP | LNASW | RX_MIXER_ENB); + rx_pga0_iobits | rx_lo_lpf_en | RX_POWER_UP | LNASW | RX_MIXER_ENB); //set the rx atr regs that change with antenna setting this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_RX_ONLY, - rx_pga0_iobits | RX_POWER_UP | RX_MIXER_ENB | LNASW); //((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)); + rx_pga0_iobits | rx_lo_lpf_en | RX_POWER_UP | RX_MIXER_ENB | LNASW); + //((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)); if (sbx_debug) std::cerr << boost::format( "SBX RXONLY ATR REG: 0x%08x" ) % (rx_pga0_iobits | RX_POWER_UP | RX_MIXER_ENB | ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)) << std::endl; @@ -432,7 +447,6 @@ double sbx_xcvr::set_lo_freq( //actual frequency calculation actual_freq = double((N + (double(FRAC)/double(MOD)))*ref_freq*(1+int(D))/(R*(1+int(T)))/RFdiv); - if (sbx_debug) { std::cerr << boost::format("SBX Intermediates: ref=%0.2f, outdiv=%f, fbdiv=%f") % (ref_freq*(1+int(D))/(R*(1+int(T)))) % double(RFdiv*2) % double(N + double(FRAC)/double(MOD)) << std::endl; @@ -445,6 +459,11 @@ double sbx_xcvr::set_lo_freq( //load the register values adf4350_regs_t regs; + if ((unit == dboard_iface::UNIT_TX) and (actual_freq == sbx_tx_lo_2dbm.clip(actual_freq))) + regs.output_power = adf4350_regs_t::OUTPUT_POWER_2DBM; + else + regs.output_power = adf4350_regs_t::OUTPUT_POWER_5DBM; + regs.frac_12_bit = FRAC; regs.int_16_bit = N; regs.mod_12_bit = MOD; |