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Move TPMS taps to dsp_fir_taps.hpp.

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Will soon use in proc_record.cpp.
This commit is contained in:
Jared Boone 2016-04-11 10:18:31 -07:00
parent 1682f4700d
commit c01f2d82e1
2 changed files with 23 additions and 21 deletions
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21
firmware/baseband/proc_tpms.cpp
View File

@ -25,27 +25,6 @@
#include "dsp_fir_taps.hpp"
// IFIR image-reject filter: fs=2457600, pass=100000, stop=407200, decim=4, fout=614400
static constexpr fir_taps_real<24> taps_200k_decim_0 = {
.pass_frequency_normalized = 100000.0f / 2457600.0f,
.stop_frequency_normalized = 407200.0f / 2457600.0f,
.taps = { {
90, 94, 4, -240, -570, -776, -563, 309,
1861, 3808, 5618, 6710, 6710, 5618, 3808, 1861,
309, -563, -776, -570, -240, 4, 94, 90,
} },
};
// IFIR prototype filter: fs=614400, pass=100000, stop=207200, decim=2, fout=307200
static constexpr fir_taps_real<16> taps_200k_decim_1 = {
.pass_frequency_normalized = 100000.0f / 614400.0f,
.stop_frequency_normalized = 207200.0f / 614400.0f,
.taps = { {
-132, -256, 545, 834, -1507, -2401, 4666, 14583,
14583, 4666, -2401, -1507, 834, 545, -256, -132,
} },
};
TPMSProcessor::TPMSProcessor() {
decim_0.configure(taps_200k_decim_0.taps, 33554432);
decim_1.configure(taps_200k_decim_1.taps, 131072);

23
firmware/common/dsp_fir_taps.hpp
View File

@ -313,4 +313,27 @@ constexpr fir_taps_real<64> taps_64_lp_156_198 {
} },
};
// TPMS decimation filters ////////////////////////////////////////////////
// IFIR image-reject filter: fs=2457600, pass=100000, stop=407200, decim=4, fout=614400
static constexpr fir_taps_real<24> taps_200k_decim_0 = {
.pass_frequency_normalized = 100000.0f / 2457600.0f,
.stop_frequency_normalized = 407200.0f / 2457600.0f,
.taps = { {
90, 94, 4, -240, -570, -776, -563, 309,
1861, 3808, 5618, 6710, 6710, 5618, 3808, 1861,
309, -563, -776, -570, -240, 4, 94, 90,
} },
};
// IFIR prototype filter: fs=614400, pass=100000, stop=207200, decim=2, fout=307200
static constexpr fir_taps_real<16> taps_200k_decim_1 = {
.pass_frequency_normalized = 100000.0f / 614400.0f,
.stop_frequency_normalized = 207200.0f / 614400.0f,
.taps = { {
-132, -256, 545, 834, -1507, -2401, 4666, 14583,
14583, 4666, -2401, -1507, 834, 545, -256, -132,
} },
};
#endif/*__DSP_FIR_TAPS_H__*/