diff options
Diffstat (limited to 'host/utils/usrp_cal_utils.hpp')
| -rw-r--r-- | host/utils/usrp_cal_utils.hpp | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/host/utils/usrp_cal_utils.hpp b/host/utils/usrp_cal_utils.hpp index c08d869ed..5378b0d69 100644 --- a/host/utils/usrp_cal_utils.hpp +++ b/host/utils/usrp_cal_utils.hpp @@ -39,10 +39,35 @@ static const size_t wave_table_len = 8192; static const size_t num_search_steps = 5; static const size_t num_search_iters = 7; static const size_t skip_initial_samps = 20; -static const double default_freq_step = 13.7e6; +static const double default_freq_step = 7.3e6; static const size_t default_num_samps = 10000; /*********************************************************************** + * Determine gain settings + **********************************************************************/ +static inline void set_optimum_gain(uhd::usrp::multi_usrp::sptr usrp){ + uhd::property_tree::sptr tree = usrp->get_device()->get_tree(); + const uhd::fs_path tx_fe_path = "/mboards/0/dboards/A/tx_frontends/0"; + const std::string tx_name = tree->access<std::string>(tx_fe_path / "name").get(); + if (tx_name.find("WBX") != std::string::npos or tx_name.find("SBX") != std::string::npos){ + usrp->set_tx_gain(0); + } + else{ + throw std::runtime_error("self-calibration is not supported for this hardware"); + } + + const uhd::fs_path rx_fe_path = "/mboards/0/dboards/A/tx_frontends/0"; + const std::string rx_name = tree->access<std::string>(rx_fe_path / "name").get(); + if (rx_name.find("WBX") != std::string::npos or rx_name.find("SBX") != std::string::npos){ + usrp->set_rx_gain(25); + } + else{ + throw std::runtime_error("self-calibration is not supported for this hardware"); + } + +} + +/*********************************************************************** * Sinusoid wave table **********************************************************************/ static inline std::vector<std::complex<float> > gen_table(void){ |