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Oversample (#1336)

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* WIP Oversample cleanup

* WIP

* WIP

* WIP dynamic interpolation

* WIP cleanup

* Fix math errors

* Add some optional assertions

* Add support for x32 interpolation

* Update proc_replay.cpp

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Kyle Reed 2023-08-02 12:59:26 -07:00 • committed by GitHub
parent e2ad0a1b1a
commit 37386c29cb
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20 changed files with 272 additions and 169 deletions
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44
firmware/common/message.hpp
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@ -78,7 +78,7 @@ class Message {
ReplayThreadDone = 21,
AFSKRxConfigure = 22,
StatusRefresh = 23,
SamplerateConfig = 24,
SampleRateConfig = 24,
BTLERxConfigure = 25,
NRFRxConfigure = 26,
TXProgress = 27,
@ -111,7 +111,6 @@ class Message {
APRSRxConfigure = 54,
SpectrumPainterBufferRequestConfigure = 55,
SpectrumPainterBufferResponseConfigure = 56,
OversampleRateConfig = 57,
MAX
};
@ -799,32 +798,37 @@ class RetuneMessage : public Message {
uint32_t range = 0;
};
class SamplerateConfigMessage : public Message {
public:
constexpr SamplerateConfigMessage(
const uint32_t sample_rate)
: Message{ID::SamplerateConfig},
sample_rate(sample_rate) {
}
const uint32_t sample_rate = 0;
};
/* Controls decimation handling in proc_capture. */
/* Oversample/Interpolation sample rate multipliers. */
enum class OversampleRate : uint8_t {
Rate8x = 8,
Rate16x = 16,
/* Use either to indicate there's no oversampling needed. */
None = 1,
x1 = None,
// 4x would make sense to have, but need to ensure it doesn't
// overrun the IQ read buffer in proc_replay.
/* Oversample rate of 8 times the sample rate. */
x8 = 8,
/* Oversample rate of 16 times the sample rate. */
x16 = 16,
/* Oversample rate of 32 times the sample rate. */
x32 = 32,
};
class OversampleRateConfigMessage : public Message {
class SampleRateConfigMessage : public Message {
public:
constexpr OversampleRateConfigMessage(
constexpr SampleRateConfigMessage(
uint32_t sample_rate,
OversampleRate oversample_rate)
: Message{ID::OversampleRateConfig},
: Message{ID::SampleRateConfig},
sample_rate(sample_rate),
oversample_rate(oversample_rate) {
}
const OversampleRate oversample_rate{OversampleRate::Rate8x};
const uint32_t sample_rate = 0;
const OversampleRate oversample_rate = OversampleRate::None;
};
class AudioLevelReportMessage : public Message {