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Bodge in preset control of NBFM bandwidth/deviation.

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This commit is contained in:
Jared Boone 2016-01-29 21:05:43 -08:00
parent a558565886
commit 2fd8b1c4d4
2 changed files with 21 additions and 7 deletions
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26
firmware/application/analog_audio_app.cpp
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@ -40,7 +40,7 @@ AnalogAudioModel::AnalogAudioModel(ReceiverModel::Mode mode) {
switch(mode) {
case ReceiverModel::Mode::NarrowbandFMAudio:
configure_nbfm();
configure_nbfm(2);
break;
case ReceiverModel::Mode::WidebandFMAudio:
@ -57,13 +57,27 @@ AnalogAudioModel::AnalogAudioModel(ReceiverModel::Mode mode) {
}
void AnalogAudioModel::configure_nbfm() {
struct NBFMMode {
const fir_taps_real<24> decim_0;
const fir_taps_real<32> decim_1;
const fir_taps_real<32> channel;
const size_t deviation;
};
static constexpr std::array<NBFMMode, 3> nbfm_mode_configs { {
{ taps_4k25_decim_0, taps_4k25_decim_1, taps_4k25_channel, 2500 },
{ taps_11k0_decim_0, taps_11k0_decim_1, taps_11k0_channel, 2500 },
{ taps_16k0_decim_0, taps_16k0_decim_1, taps_16k0_channel, 5000 },
} };
void AnalogAudioModel::configure_nbfm(const size_t index) {
const auto config = nbfm_mode_configs[index];
const NBFMConfigureMessage message {
taps_4k25_decim_0,
taps_4k25_decim_1,
taps_4k25_channel,
config.decim_0,
config.decim_1,
config.channel,
2,
2500,
config.deviation,
audio_24k_hpf_300hz_config,
audio_24k_deemph_300_6_config
};