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Make sure downsampler always buffers 22 samples at a time

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This commit is contained in:
Geoffrey Merck 2020-05-12 14:15:04 +02:00
parent 0fad84b46d
commit a0a3080da2
4 changed files with 77 additions and 44 deletions
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10
FMDownsampler.h
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@ -23,16 +23,22 @@
#include "Config.h"
#include "RingBuffer.h"
struct TSamplePairPack {
uint8_t byte0;
uint8_t byte1;
uint8_t byte2;
};
class CFMDownsampler {
public:
CFMDownsampler(uint16_t length);
void addSample(q15_t sample);
bool getPackedData(uint8_t& data);
bool getPackedData(TSamplePairPack& data);
uint16_t getData();
void reset();
private:
CRingBuffer<uint8_t> m_ringBuffer;
CRingBuffer<TSamplePairPack> m_ringBuffer;
uint32_t m_samplePack;
uint32_t *m_samplePackPointer;