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Selection of AM/SSB from application side.

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This commit is contained in:
Jared Boone 2016-01-30 18:02:28 -08:00
parent f2dff16820
commit e778be6472
4 changed files with 21 additions and 5 deletions
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14
firmware/baseband/proc_am_audio.cpp
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@ -39,12 +39,15 @@ void NarrowbandAMAudio::execute(const buffer_c8_t& buffer) {
feed_channel_stats(channel_out);
channel_spectrum.feed(channel_out, channel_filter_pass_f, channel_filter_stop_f);
if( false ) {
auto audio = demod_am.execute(channel_out, audio_buffer);
audio_output.write(audio);
auto audio = demodulate(channel_out);
audio_output.write(audio);
}
buffer_f32_t NarrowbandAMAudio::demodulate(const buffer_c16_t& channel) {
if( modulation_ssb ) {
return demod_ssb.execute(channel, audio_buffer);
} else {
auto audio = demod_ssb.execute(channel_out, audio_buffer);
audio_output.write(audio);
return demod_am.execute(channel, audio_buffer);
}
}
@ -84,6 +87,7 @@ void NarrowbandAMAudio::configure(const AMConfigureMessage& message) {
channel_filter_pass_f = message.channel_filter.pass_frequency_normalized * channel_filter_input_fs;
channel_filter_stop_f = message.channel_filter.stop_frequency_normalized * channel_filter_input_fs;
channel_spectrum.set_decimation_factor(std::floor((channel_filter_output_fs / 2) / ((channel_filter_pass_f + channel_filter_stop_f) / 2)));
modulation_ssb = (message.modulation == AMConfigureMessage::Modulation::SSB);
audio_output.configure(message.audio_hpf_config);
configured = true;