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Add ChannelDecimator decimate by 2 and no-shift options.

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This commit is contained in:
Jared Boone
2015-11-19 12:24:20 -08:00
parent ccd64f3cd9
commit 060da5d227
2 changed files with 29 additions and 14 deletions
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20
firmware/baseband/channel_decimator.hpp
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@@ -32,6 +32,7 @@
class ChannelDecimator {
public:
enum class DecimationFactor {
By2,
By4,
By8,
By16,
@@ -39,13 +40,16 @@ public:
};
constexpr ChannelDecimator(
) : decimation_factor { DecimationFactor::By32 }
) : decimation_factor { DecimationFactor::By32 },
fs_over_4_downconvert { true }
{
}
constexpr ChannelDecimator(
const DecimationFactor decimation_factor
) : decimation_factor { decimation_factor }
const DecimationFactor decimation_factor,
const bool fs_over_4_downconvert = true
) : decimation_factor { decimation_factor },
fs_over_4_downconvert { fs_over_4_downconvert }
{
}
@@ -62,18 +66,22 @@ public:
private:
std::array<complex16_t, 1024> work_baseband;
//const bool fs_over_4_downconvert = true;
dsp::decimate::TranslateByFSOver4AndDecimateBy2CIC3 translate;
//dsp::decimate::DecimateBy2CIC3 cic_0;
dsp::decimate::Complex8DecimateBy2CIC3 cic_0;
dsp::decimate::DecimateBy2CIC3 cic_1;
dsp::decimate::DecimateBy2CIC3 cic_2;
dsp::decimate::DecimateBy2CIC3 cic_3;
dsp::decimate::DecimateBy2CIC3 cic_4;
DecimationFactor decimation_factor;
const bool fs_over_4_downconvert;
buffer_c16_t execute_decimation(buffer_c8_t buffer);
buffer_c16_t execute_stage_0(
buffer_c8_t buffer,
buffer_c16_t work_baseband_buffer
);
};
#endif/*__CHANNEL_DECIMATOR_H__*/