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Push channel filter data into BasebandProcessor.

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This commit is contained in:
Jared Boone 2015-08-04 16:48:15 -07:00
parent caef87fe90
commit 14ada9e132
1 changed files with 22 additions and 10 deletions
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32
firmware/baseband/main.cpp
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@ -238,7 +238,13 @@ protected:
);
}
void feed_channel_spectrum(const buffer_c16_t channel) {
void feed_channel_spectrum(
const buffer_c16_t channel,
const uint32_t filter_pass_frequency,
const uint32_t filter_stop_frequency
) {
channel_filter_pass_frequency = filter_pass_frequency;
channel_filter_stop_frequency = filter_stop_frequency;
channel_spectrum_decimator.feed(
channel,
[this](const buffer_c16_t data) {
@ -313,12 +319,14 @@ public:
* -> FIR filter, <?kHz (0.???fs) pass, gain 1.0
* -> 48kHz int16_t[32] */
auto channel = channel_filter.execute(decimator_out, work_baseband_buffer);
channel_filter_pass_frequency = decimator_out.sampling_rate * channel_filter_taps.pass_frequency_normalized;
channel_filter_stop_frequency = decimator_out.sampling_rate * channel_filter_taps.stop_frequency_normalized;
// TODO: Feed channel_stats post-decimation data?
feed_channel_stats(channel);
feed_channel_spectrum(channel);
feed_channel_spectrum(
channel,
decimator_out.sampling_rate * channel_filter_taps.pass_frequency_normalized,
decimator_out.sampling_rate * channel_filter_taps.stop_frequency_normalized
);
const buffer_s16_t work_audio_buffer {
(int16_t*)decimator_out.p,
@ -358,12 +366,14 @@ public:
* -> FIR filter, <6kHz (0.063fs) pass, gain 1.0
* -> 48kHz int16_t[32] */
auto channel = channel_filter.execute(decimator_out, work_baseband_buffer);
channel_filter_pass_frequency = decimator_out.sampling_rate * channel_filter_taps.pass_frequency_normalized;
channel_filter_stop_frequency = decimator_out.sampling_rate * channel_filter_taps.stop_frequency_normalized;
// TODO: Feed channel_stats post-decimation data?
feed_channel_stats(channel);
feed_channel_spectrum(channel);
feed_channel_spectrum(
channel,
decimator_out.sampling_rate * channel_filter_taps.pass_frequency_normalized,
decimator_out.sampling_rate * channel_filter_taps.stop_frequency_normalized
);
const buffer_s16_t work_audio_buffer {
(int16_t*)decimator_out.p,
@ -507,12 +517,14 @@ public:
* -> FIR filter, <?kHz (?fs) pass, gain 1.0
* -> 76.8kHz int16_t[64] */
auto channel = channel_filter.execute(decimator_out, work_baseband_buffer);
channel_filter_pass_frequency = decimator_out.sampling_rate * channel_filter_taps.pass_frequency_normalized;
channel_filter_stop_frequency = decimator_out.sampling_rate * channel_filter_taps.stop_frequency_normalized;
/* 76.8kHz, 64 samples */
feed_channel_stats(channel);
feed_channel_spectrum(channel);
feed_channel_spectrum(
channel,
decimator_out.sampling_rate * channel_filter_taps.pass_frequency_normalized,
decimator_out.sampling_rate * channel_filter_taps.stop_frequency_normalized
);
const auto symbol_handler_fn = [this](const float value) {
const uint_fast8_t symbol = (value >= 0.0f) ? 1 : 0;