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Add optional over deviation blanking.

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This commit is contained in:
Jonathan Naylor
2020-04-25 22:32:10 +01:00
parent 8c38fdb36d
commit b963b2b848
5 changed files with 135 additions and 5 deletions
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FM.cpp
+6 -2
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@@ -39,6 +39,7 @@ m_hangTimer(),
m_filterStage1( 724, 1448, 724, 32768, -37895, 21352),
m_filterStage2(32768, 0,-32768, 32768, -50339, 19052),
m_filterStage3(32768, -65536, 32768, 32768, -64075, 31460),
m_blanking(),
m_useCOS(true),
m_rxBoost(1U)
{
@@ -78,7 +79,9 @@ void CFM::samples(bool cos, q15_t* samples, uint8_t length)
}
// Only let audio through when relaying audio
if (m_state != FS_RELAYING && m_state != FS_KERCHUNK)
if (m_state == FS_RELAYING || m_state == FS_KERCHUNK)
currentSample = m_blanking.process(currentSample);
else
currentSample = 0U;
currentSample *= m_rxBoost;
@@ -141,7 +144,7 @@ uint8_t CFM::setAck(const char* rfAck, uint8_t speed, uint16_t frequency, uint8_
return m_rfAck.setParams(rfAck, speed, frequency, level, level);
}
uint8_t CFM::setMisc(uint16_t timeout, uint8_t timeoutLevel, uint8_t ctcssFrequency, uint8_t ctcssThreshold, uint8_t ctcssLevel, uint8_t kerchunkTime, uint8_t hangTime, bool useCOS, uint8_t rxBoost)
uint8_t CFM::setMisc(uint16_t timeout, uint8_t timeoutLevel, uint8_t ctcssFrequency, uint8_t ctcssThreshold, uint8_t ctcssLevel, uint8_t kerchunkTime, uint8_t hangTime, bool useCOS, uint8_t rxBoost, uint8_t maxDev)
{
m_useCOS = useCOS;
m_rxBoost = q15_t(rxBoost);
@@ -151,6 +154,7 @@ uint8_t CFM::setMisc(uint16_t timeout, uint8_t timeoutLevel, uint8_t ctcssFreque
m_hangTimer.setTimeout(hangTime, 0U);
m_timeoutTone.setParams(timeoutLevel);
m_blanking.setParams(maxDev, timeoutLevel);
uint8_t ret = m_ctcssRX.setParams(ctcssFrequency, ctcssThreshold);
if (ret != 0U)