diff options
Diffstat (limited to 'host/lib/simple_device.cpp')
| -rw-r--r-- | host/lib/simple_device.cpp | 74 |
1 files changed, 3 insertions, 71 deletions
diff --git a/host/lib/simple_device.cpp b/host/lib/simple_device.cpp index 95bc8fecc..d507762a9 100644 --- a/host/lib/simple_device.cpp +++ b/host/lib/simple_device.cpp @@ -16,8 +16,8 @@ // #include <uhd/simple_device.hpp> +#include <uhd/utils/tune_helper.hpp> #include <uhd/utils/assert.hpp> -#include <uhd/utils/algorithm.hpp> #include <uhd/props.hpp> #include <boost/algorithm/string.hpp> #include <boost/foreach.hpp> @@ -27,64 +27,6 @@ using namespace uhd; /*********************************************************************** - * Tune Helper Function - **********************************************************************/ -static tune_result_t tune( - double target_freq, - double lo_offset, - wax::obj subdev, - wax::obj dxc, - bool is_tx -){ - wax::obj subdev_freq_proxy = subdev[SUBDEV_PROP_FREQ]; - bool subdev_quadrature = subdev[SUBDEV_PROP_QUADRATURE].as<bool>(); - bool subdev_spectrum_inverted = subdev[SUBDEV_PROP_SPECTRUM_INVERTED].as<bool>(); - wax::obj dxc_freq_proxy = dxc[std::string("freq")]; - double dxc_sample_rate = dxc[std::string("rate")].as<double>(); - - // Ask the d'board to tune as closely as it can to target_freq+lo_offset - double target_inter_freq = target_freq + lo_offset; - subdev_freq_proxy = target_inter_freq; - double actual_inter_freq = subdev_freq_proxy.as<double>(); - - // Calculate the DDC setting that will downconvert the baseband from the - // daughterboard to our target frequency. - double delta_freq = target_freq - actual_inter_freq; - double delta_sign = std::signum(delta_freq); - delta_freq *= delta_sign; - delta_freq = fmod(delta_freq, dxc_sample_rate); - bool inverted = delta_freq > dxc_sample_rate/2.0; - double target_dxc_freq = inverted? (delta_freq - dxc_sample_rate) : (-delta_freq); - target_dxc_freq *= delta_sign; - - // If the spectrum is inverted, and the daughterboard doesn't do - // quadrature downconversion, we can fix the inversion by flipping the - // sign of the dxc_freq... (This only happens using the basic_rx board) - if (subdev_spectrum_inverted){ - inverted = not inverted; - } - if (inverted and not subdev_quadrature){ - target_dxc_freq *= -1.0; - inverted = not inverted; - } - // down conversion versus up conversion, fight! - // your mother is ugly and your going down... - target_dxc_freq *= (is_tx)? -1.0 : +1.0; - - dxc_freq_proxy = target_dxc_freq; - double actual_dxc_freq = dxc_freq_proxy.as<double>(); - - //return some kind of tune result tuple/struct - tune_result_t tune_result; - tune_result.target_inter_freq = target_inter_freq; - tune_result.actual_inter_freq = actual_inter_freq; - tune_result.target_dxc_freq = target_dxc_freq; - tune_result.actual_dxc_freq = actual_dxc_freq; - tune_result.spectrum_inverted = inverted; - return tune_result; -} - -/*********************************************************************** * Helper Functions **********************************************************************/ static std::string trim(const std::string &in){ @@ -190,12 +132,7 @@ public: } tune_result_t set_rx_freq(double target_freq){ - double lo_offset = 0.0; - //if the local oscillator will be in the passband, use an offset - if (_rx_subdev[SUBDEV_PROP_LO_INTERFERES].as<bool>()){ - lo_offset = get_rx_rate()*2.0; - } - return tune(target_freq, lo_offset, _rx_subdev, _rx_ddc, false/* not tx */); + return tune_rx_subdev_and_ddc(_rx_subdev, _rx_ddc, target_freq); } freq_range_t get_rx_freq_range(void){ @@ -246,12 +183,7 @@ public: } tune_result_t set_tx_freq(double target_freq){ - double lo_offset = 0.0; - //if the local oscillator will be in the passband, use an offset - if (_tx_subdev[SUBDEV_PROP_LO_INTERFERES].as<bool>()){ - lo_offset = get_tx_rate()*2.0; - } - return tune(target_freq, lo_offset, _tx_subdev, _tx_duc, true/* is tx */); + return tune_tx_subdev_and_duc(_tx_subdev, _tx_duc, target_freq); } freq_range_t get_tx_freq_range(void){ |