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Set MatchedFilter taps with separate method.

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This commit is contained in:
Jared Boone 2015-10-02 22:45:04 -07:00
parent 8198db768d
commit d92c962c0c
3 changed files with 15 additions and 13 deletions
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15
firmware/baseband/matched_filter.hpp
View File

@ -42,14 +42,19 @@ public:
using taps_t = std::vector<tap_t>;
template<size_t N>
MatchedFilter(
const std::array<tap_t, N>& taps,
size_t decimation_factor = 1
) : taps(taps.cbegin(), taps.cend()),
decimation_factor { decimation_factor }
) : decimation_factor { decimation_factor }
{
samples.assign(taps.size(), 0.0f);
}
template<typename T>
void set_taps(const T& new_taps) {
taps.assign(new_taps.cbegin(), new_taps.cend());
taps.shrink_to_fit();
samples.assign(new_taps.size(), 0);
samples.shrink_to_fit();
}
bool execute_once(

3
firmware/baseband/proc_fsk.cpp
View File

@ -30,6 +30,9 @@ FSKProcessor::FSKProcessor(
MessageHandlerMap& message_handlers
) : message_handlers(message_handlers)
{
mf_0.set_taps(baseband::ais::rrc_taps_8_n);
mf_1.set_taps(baseband::ais::rrc_taps_8_p);
message_handlers.register_handler(Message::ID::FSKConfiguration,
[this](const Message* const p) {
auto m = reinterpret_cast<const FSKConfigurationMessage*>(p);

10
firmware/baseband/proc_fsk.hpp
View File

@ -57,14 +57,8 @@ private:
const fir_taps_real<64>& channel_filter_taps = taps_64_lp_031_070_tfilter;
dsp::decimate::FIRAndDecimateBy2Complex<64> channel_filter { channel_filter_taps.taps };
dsp::matched_filter::MatchedFilter mf_0 {
baseband::ais::rrc_taps_8_n,
1
};
dsp::matched_filter::MatchedFilter mf_1 {
baseband::ais::rrc_taps_8_p,
1
};
dsp::matched_filter::MatchedFilter mf_0 { 1 };
dsp::matched_filter::MatchedFilter mf_1 { 1 };
clock_recovery::ClockRecovery<clock_recovery::FixedErrorFilter> clock_recovery {
static_cast<float>(sampling_rate / 4),