diff options
Diffstat (limited to 'host/lib/usrp/dboard/magnesium/magnesium_gain_table.cpp')
| -rw-r--r-- | host/lib/usrp/dboard/magnesium/magnesium_gain_table.cpp | 125 |
1 files changed, 54 insertions, 71 deletions
diff --git a/host/lib/usrp/dboard/magnesium/magnesium_gain_table.cpp b/host/lib/usrp/dboard/magnesium/magnesium_gain_table.cpp index 05b6dbe8f..67b20f5fa 100644 --- a/host/lib/usrp/dboard/magnesium/magnesium_gain_table.cpp +++ b/host/lib/usrp/dboard/magnesium/magnesium_gain_table.cpp @@ -15,47 +15,45 @@ using namespace uhd::rfnoc; using namespace magnesium; namespace { - typedef magnesium_radio_ctrl_impl::rx_band rx_band; - typedef magnesium_radio_ctrl_impl::tx_band tx_band; +typedef magnesium_radio_ctrl_impl::rx_band rx_band; +typedef magnesium_radio_ctrl_impl::tx_band tx_band; - const size_t TX_LOWBAND = 0; - const size_t TX_HIGHBAND = 1; - const size_t RX_LOWBAND = 0; - const size_t RX_MIDBAND = 1; - const size_t RX_HIGHBAND = 2; +const size_t TX_LOWBAND = 0; +const size_t TX_HIGHBAND = 1; +const size_t RX_LOWBAND = 0; +const size_t RX_MIDBAND = 1; +const size_t RX_HIGHBAND = 2; - size_t map_tx_band(const tx_band band) - { - if (band == tx_band::LOWBAND) { - return TX_LOWBAND; - } - return TX_HIGHBAND; +size_t map_tx_band(const tx_band band) +{ + if (band == tx_band::LOWBAND) { + return TX_LOWBAND; } + return TX_HIGHBAND; +} - size_t map_rx_band(const rx_band band) - { - if (band == rx_band::LOWBAND) { - return RX_LOWBAND; - } - if (band == rx_band::BAND0 or - band == rx_band::BAND1 or - band == rx_band::BAND2 or - band == rx_band::BAND3) { - return RX_MIDBAND; - } - return RX_HIGHBAND; +size_t map_rx_band(const rx_band band) +{ + if (band == rx_band::LOWBAND) { + return RX_LOWBAND; + } + if (band == rx_band::BAND0 or band == rx_band::BAND1 or band == rx_band::BAND2 + or band == rx_band::BAND3) { + return RX_MIDBAND; } + return RX_HIGHBAND; +} - //! Maps gain index -> gain_tuple_t - // - // Note: This is an int, for easier lookups. We're basically hardcoding the - // knowledge that the gain map has a 1 dB granularity. - using gain_tuple_map_t = std::map<int, gain_tuple_t>; +//! Maps gain index -> gain_tuple_t +// +// Note: This is an int, for easier lookups. We're basically hardcoding the +// knowledge that the gain map has a 1 dB granularity. +using gain_tuple_map_t = std::map<int, gain_tuple_t>; - //! Maps band -> gain_tuple_map_t - using gain_tables_t = std::map<size_t, gain_tuple_map_t>; +//! Maps band -> gain_tuple_map_t +using gain_tables_t = std::map<size_t, gain_tuple_map_t>; - // clang-format off +// clang-format off /*! RX gain tables */ const gain_tables_t rx_gain_tables = { @@ -437,53 +435,38 @@ namespace { {65, {0, 0, false}} }} }; /* tx_gain_tables */ - // clang-format on +// clang-format on - gain_tuple_t fine_tune_ad9371_att( - const gain_tuple_t gain_tuple, - const double gain_index - ) { - // Here, we hardcode the half-dB steps. We soak up all half-dB - // steps by twiddling the AD9371 attenuation, but we need to make - // sure we don't make it negative. - if (gain_index - int(gain_index) >= .5) { - gain_tuple_t gt2 = gain_tuple; - gt2.ad9371_att = std::max(0.0, gain_tuple.ad9371_att - .5); - return gt2; - } - return gain_tuple; +gain_tuple_t fine_tune_ad9371_att(const gain_tuple_t gain_tuple, const double gain_index) +{ + // Here, we hardcode the half-dB steps. We soak up all half-dB + // steps by twiddling the AD9371 attenuation, but we need to make + // sure we don't make it negative. + if (gain_index - int(gain_index) >= .5) { + gain_tuple_t gt2 = gain_tuple; + gt2.ad9371_att = std::max(0.0, gain_tuple.ad9371_att - .5); + return gt2; } + return gain_tuple; +} -} /* namespace ANON */ +} // namespace gain_tuple_t magnesium::get_rx_gain_tuple( - const double gain_index, - const magnesium_radio_ctrl_impl::rx_band band -) { - UHD_ASSERT_THROW( - gain_index <= ALL_RX_MAX_GAIN and gain_index >= ALL_RX_MIN_GAIN - ); - auto &gain_table = rx_gain_tables.at(map_rx_band(band)); + const double gain_index, const magnesium_radio_ctrl_impl::rx_band band) +{ + UHD_ASSERT_THROW(gain_index <= ALL_RX_MAX_GAIN and gain_index >= ALL_RX_MIN_GAIN); + auto& gain_table = rx_gain_tables.at(map_rx_band(band)); const int gain_index_truncd = int(gain_index); - return fine_tune_ad9371_att( - gain_table.at(gain_index_truncd), - gain_index - ); + return fine_tune_ad9371_att(gain_table.at(gain_index_truncd), gain_index); } gain_tuple_t magnesium::get_tx_gain_tuple( - const double gain_index, - const magnesium_radio_ctrl_impl::tx_band band -) { - UHD_ASSERT_THROW( - gain_index <= ALL_TX_MAX_GAIN and gain_index >= ALL_TX_MIN_GAIN - ); - auto &gain_table = tx_gain_tables.at(map_tx_band(band)); + const double gain_index, const magnesium_radio_ctrl_impl::tx_band band) +{ + UHD_ASSERT_THROW(gain_index <= ALL_TX_MAX_GAIN and gain_index >= ALL_TX_MIN_GAIN); + auto& gain_table = tx_gain_tables.at(map_tx_band(band)); const int gain_index_truncd = int(gain_index); - return fine_tune_ad9371_att( - gain_table.at(gain_index_truncd), - gain_index - ); + return fine_tune_ad9371_att(gain_table.at(gain_index_truncd), gain_index); } - |