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Use complex channel filter taps for AM/SSB.

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This commit is contained in:
Jared Boone
2016-01-30 17:30:54 -08:00
parent ad4d7a2e8a
commit f2dff16820
4 changed files with 13 additions and 18 deletions
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12
firmware/baseband/dsp_decimate.cpp
View File

@@ -645,18 +645,6 @@ buffer_s16_t FIR64AndDecimateBy2Real::execute(
return { dst.p, src.count / 2, src.sampling_rate / 2 };
}
void FIRAndDecimateComplex::configure(
const int16_t* const taps,
const size_t taps_count,
const size_t decimation_factor
) {
samples_ = std::make_unique<samples_t>(taps_count);
taps_reversed_ = std::make_unique<taps_t>(taps_count);
taps_count_ = taps_count;
decimation_factor_ = decimation_factor;
std::reverse_copy(&taps[0], &taps[taps_count], &taps_reversed_[0]);
}
buffer_c16_t FIRAndDecimateComplex::execute(
const buffer_c16_t& src,
const buffer_c16_t& dst

11
firmware/baseband/dsp_decimate.hpp
View File

@@ -235,11 +235,18 @@ private:
size_t taps_count_;
size_t decimation_factor_;
template<typename T>
void configure(
const int16_t* const taps,
const T* const taps,
const size_t taps_count,
const size_t decimation_factor
);
) {
samples_ = std::make_unique<samples_t>(taps_count);
taps_reversed_ = std::make_unique<taps_t>(taps_count);
taps_count_ = taps_count;
decimation_factor_ = decimation_factor;
std::reverse_copy(&taps[0], &taps[taps_count], &taps_reversed_[0]);
}
};
class DecimateBy2CIC4Real {