diff options
Diffstat (limited to 'host/lib/usrp/dboard/rhodium/rhodium_bands.cpp')
| -rw-r--r-- | host/lib/usrp/dboard/rhodium/rhodium_bands.cpp | 101 |
1 files changed, 50 insertions, 51 deletions
diff --git a/host/lib/usrp/dboard/rhodium/rhodium_bands.cpp b/host/lib/usrp/dboard/rhodium/rhodium_bands.cpp index 9e0a1d3d3..9f72135dd 100644 --- a/host/lib/usrp/dboard/rhodium/rhodium_bands.cpp +++ b/host/lib/usrp/dboard/rhodium/rhodium_bands.cpp @@ -14,58 +14,58 @@ using namespace uhd::rfnoc; using namespace uhd::math::fp_compare; namespace { - constexpr double FREQ_COMPARE_EPSILON = 1e-5; +constexpr double FREQ_COMPARE_EPSILON = 1e-5; - /* Note on the RX filter bank: - * - * The RX path has 8 bands, which we call BAND0 through BAND7. BAND0 is the - * lowest frequency band. BAND7 is the highest frequency band. - * - * The following constants define lower cutoff frequencies for each band. - * RHODIUM_RX_BAND1_MIN_FREQ is the cutover frequency for switching from - * BAND0 to BAND1, and so on. - * - * Bands 1-7 have both high- and low-pass filters (effectively band - * passes). Band 0 has only low-pass filters. Frequencies have been - * chosen to allow as much of the full bandwidth through unattenuated. - * - * Switch selection logic for these bands can be found in - * rhodium_radio_control_impl::_update_rx_freq_switches() - */ - constexpr double RHODIUM_RX_BAND0_MIN_FREQ = RHODIUM_MIN_FREQ; - constexpr double RHODIUM_RX_BAND1_MIN_FREQ = 450e6; - constexpr double RHODIUM_RX_BAND2_MIN_FREQ = 760e6; - constexpr double RHODIUM_RX_BAND3_MIN_FREQ = 1100e6; - constexpr double RHODIUM_RX_BAND4_MIN_FREQ = 1410e6; - constexpr double RHODIUM_RX_BAND5_MIN_FREQ = 2050e6; - constexpr double RHODIUM_RX_BAND6_MIN_FREQ = 3000e6; - constexpr double RHODIUM_RX_BAND7_MIN_FREQ = 4500e6; +/* Note on the RX filter bank: + * + * The RX path has 8 bands, which we call BAND0 through BAND7. BAND0 is the + * lowest frequency band. BAND7 is the highest frequency band. + * + * The following constants define lower cutoff frequencies for each band. + * RHODIUM_RX_BAND1_MIN_FREQ is the cutover frequency for switching from + * BAND0 to BAND1, and so on. + * + * Bands 1-7 have both high- and low-pass filters (effectively band + * passes). Band 0 has only low-pass filters. Frequencies have been + * chosen to allow as much of the full bandwidth through unattenuated. + * + * Switch selection logic for these bands can be found in + * rhodium_radio_control_impl::_update_rx_freq_switches() + */ +constexpr double RHODIUM_RX_BAND0_MIN_FREQ = RHODIUM_MIN_FREQ; +constexpr double RHODIUM_RX_BAND1_MIN_FREQ = 450e6; +constexpr double RHODIUM_RX_BAND2_MIN_FREQ = 760e6; +constexpr double RHODIUM_RX_BAND3_MIN_FREQ = 1100e6; +constexpr double RHODIUM_RX_BAND4_MIN_FREQ = 1410e6; +constexpr double RHODIUM_RX_BAND5_MIN_FREQ = 2050e6; +constexpr double RHODIUM_RX_BAND6_MIN_FREQ = 3000e6; +constexpr double RHODIUM_RX_BAND7_MIN_FREQ = 4500e6; - /* Note on the TX filter bank: - * - * The TX path has 8 bands, which we call BAND0 through BAND7. BAND0 is the - * lowest frequency band. BAND7 is the highest frequency band. - * - * The following constants define lower cutoff frequencies for each band. - * RHODIUM_TX_BAND1_MIN_FREQ is the cutover frequency for switching from - * BAND0 to BAND1, and so on. - * - * All filters on the TX filter bank are low pass filters (no high pass - * filters). Frequencies have been chosen to allow as much of the full - * bandwidth through unattenuated. - * - * Switch selection logic for these bands can be found in - * rhodium_radio_control_impl::_update_tx_freq_switches() - */ - constexpr double RHODIUM_TX_BAND0_MIN_FREQ = RHODIUM_MIN_FREQ; - constexpr double RHODIUM_TX_BAND1_MIN_FREQ = 450e6; - constexpr double RHODIUM_TX_BAND2_MIN_FREQ = 650e6; - constexpr double RHODIUM_TX_BAND3_MIN_FREQ = 1000e6; - constexpr double RHODIUM_TX_BAND4_MIN_FREQ = 1350e6; - constexpr double RHODIUM_TX_BAND5_MIN_FREQ = 1900e6; - constexpr double RHODIUM_TX_BAND6_MIN_FREQ = 3000e6; - constexpr double RHODIUM_TX_BAND7_MIN_FREQ = 4100e6; -} +/* Note on the TX filter bank: + * + * The TX path has 8 bands, which we call BAND0 through BAND7. BAND0 is the + * lowest frequency band. BAND7 is the highest frequency band. + * + * The following constants define lower cutoff frequencies for each band. + * RHODIUM_TX_BAND1_MIN_FREQ is the cutover frequency for switching from + * BAND0 to BAND1, and so on. + * + * All filters on the TX filter bank are low pass filters (no high pass + * filters). Frequencies have been chosen to allow as much of the full + * bandwidth through unattenuated. + * + * Switch selection logic for these bands can be found in + * rhodium_radio_control_impl::_update_tx_freq_switches() + */ +constexpr double RHODIUM_TX_BAND0_MIN_FREQ = RHODIUM_MIN_FREQ; +constexpr double RHODIUM_TX_BAND1_MIN_FREQ = 450e6; +constexpr double RHODIUM_TX_BAND2_MIN_FREQ = 650e6; +constexpr double RHODIUM_TX_BAND3_MIN_FREQ = 1000e6; +constexpr double RHODIUM_TX_BAND4_MIN_FREQ = 1350e6; +constexpr double RHODIUM_TX_BAND5_MIN_FREQ = 1900e6; +constexpr double RHODIUM_TX_BAND6_MIN_FREQ = 3000e6; +constexpr double RHODIUM_TX_BAND7_MIN_FREQ = 4100e6; +} // namespace rhodium_radio_control_impl::rx_band rhodium_radio_control_impl::_map_freq_to_rx_band( const double freq) @@ -132,4 +132,3 @@ bool rhodium_radio_control_impl::_is_tx_lowband(const double freq) { return _map_freq_to_tx_band(freq) == tx_band::TX_BAND_0; } - |