diff options
Diffstat (limited to 'host/lib/include')
| -rw-r--r-- | host/lib/include/uhdlib/usrp/cores/dsp_core_utils.hpp | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/host/lib/include/uhdlib/usrp/cores/dsp_core_utils.hpp b/host/lib/include/uhdlib/usrp/cores/dsp_core_utils.hpp index 74b4c3848..6371eb2e5 100644 --- a/host/lib/include/uhdlib/usrp/cores/dsp_core_utils.hpp +++ b/host/lib/include/uhdlib/usrp/cores/dsp_core_utils.hpp @@ -9,16 +9,19 @@ #include <tuple> -/*! For a requested frequency and sampling rate, return the - * correct frequency word (to set the CORDIC) and the actual frequency. +/*! For a requested frequency, sampling rate, and frequency word width (in + * number of bits), return the correct frequency word (to set the CORDIC or + * DDS) and the actual frequency. */ void get_freq_and_freq_word(const double requested_freq, const double tick_rate, double& actual_freq, - int32_t& freq_word); + int32_t& freq_word, + int word_width = 32); -/*! For a requested frequency and sampling rate, return the - * correct frequency word (to set the CORDIC) and the actual frequency. +/*! For a requested frequency, sampling rate, and frequency word width (in + * number of bits), return the correct frequency word (to set the CORDIC or + * DDS) and the actual frequency. */ std::tuple<double, int> get_freq_and_freq_word( - const double requested_freq, const double tick_rate); + const double requested_freq, const double tick_rate, int word_width = 32); |