diff options
Diffstat (limited to 'host/lib/usrp')
| -rw-r--r-- | host/lib/usrp/cores/dsp_core_utils.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/host/lib/usrp/cores/dsp_core_utils.cpp b/host/lib/usrp/cores/dsp_core_utils.cpp index 868e47234..5575d9775 100644 --- a/host/lib/usrp/cores/dsp_core_utils.cpp +++ b/host/lib/usrp/cores/dsp_core_utils.cpp @@ -17,7 +17,8 @@ static const int32_t MIN_FREQ_WORD = std::numeric_limits<int32_t>::min(); 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) { const double freq = uhd::math::wrap_frequency(requested_freq, tick_rate); @@ -33,7 +34,7 @@ void get_freq_and_freq_word(const double requested_freq, */ freq_word = 0; - static const double scale_factor = std::pow(2.0, 32); + static const double scale_factor = std::pow(2.0, word_width); if ((freq / tick_rate) >= (MAX_FREQ_WORD / scale_factor)) { /* Operation would have caused a positive overflow of int32. */ freq_word = MAX_FREQ_WORD; @@ -51,10 +52,10 @@ void get_freq_and_freq_word(const double requested_freq, } 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) { double actual_freq; int32_t freq_word; - get_freq_and_freq_word(requested_freq, tick_rate, actual_freq, freq_word); + get_freq_and_freq_word(requested_freq, tick_rate, actual_freq, freq_word, word_width); return std::make_tuple(actual_freq, freq_word); } |