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Add an experimental noise squelch.

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This commit is contained in:
Jonathan Naylor 2020-07-28 13:55:50 +01:00
parent 6964251122
commit d8f138066e
5 changed files with 189 additions and 7 deletions
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5
FM.h
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@ -31,6 +31,7 @@
#include "FMDirectForm1.h"
#include "FMDownSampler.h"
#include "FMUpSampler.h"
#include "FMNoiseSquelch.h"
enum FM_STATE {
FS_LISTENING,
@ -60,7 +61,7 @@ public:
uint8_t setCallsign(const char* callsign, uint8_t speed, uint16_t frequency, uint8_t time, uint8_t holdoff, uint8_t highLevel, uint8_t lowLevel, bool callsignAtStart, bool callsignAtEnd, bool callsignAtLatch);
uint8_t setAck(const char* rfAck, uint8_t speed, uint16_t frequency, uint8_t minTime, uint16_t delay, uint8_t level);
uint8_t setMisc(uint16_t timeout, uint8_t timeoutLevel, uint8_t ctcssFrequency, uint8_t ctcssHighThreshold, uint8_t ctcssLowThreshold, uint8_t ctcssLevel, uint8_t kerchunkTime, uint8_t hangTime, uint8_t accessMode, bool cosInvert, uint8_t rfAudioBoost, uint8_t maxDev, uint8_t rxLevel);
uint8_t setMisc(uint16_t timeout, uint8_t timeoutLevel, uint8_t ctcssFrequency, uint8_t ctcssHighThreshold, uint8_t ctcssLowThreshold, uint8_t ctcssLevel, uint8_t kerchunkTime, uint8_t hangTime, uint8_t accessMode, bool cosInvert, bool noiseSquelch, uint8_t squelchHighThreshold, uint8_t squelchLowThreshold, uint8_t rfAudioBoost, uint8_t maxDev, uint8_t rxLevel);
uint8_t setExt(const char* ack, uint8_t audioBoost, uint8_t speed, uint16_t frequency, uint8_t level);
uint8_t getSpace() const;
@ -73,6 +74,7 @@ private:
CFMKeyer m_extAck;
CFMCTCSSRX m_ctcssRX;
CFMCTCSSTX m_ctcssTX;
CFMNoiseSquelch m_squelch;
CFMTimeout m_timeoutTone;
FM_STATE m_state;
bool m_callsignAtStart;
@ -94,6 +96,7 @@ private:
CFMBlanking m_blanking;
uint8_t m_accessMode;
bool m_cosInvert;
bool m_noiseSquelch;
q15_t m_rfAudioBoost;
q15_t m_extAudioBoost;
CFMDownSampler m_downSampler;