Make Use COS As Lockout a run-time parameter and allow for different access modes.

This commit is contained in:
Jonathan Naylor 2020-07-13 17:13:01 +01:00
parent ccdbe126e0
commit 20013e3adc
6 changed files with 75 additions and 54 deletions

87
FM.cpp
View file

@ -20,6 +20,14 @@
#include "Globals.h"
#include "FM.h"
/*
* Access Mode values are:
* 0 - Carrier access with COS
* 1 - CTCSS only access without COS
* 2 - CTCSS only access with COS
* 3 - CTCSS only access with COS to start, then carrier access with COS
*/
CFM::CFM() :
m_callsign(),
m_rfAck(),
@ -41,7 +49,7 @@ m_filterStage1( 724, 1448, 724, 32768, -37895, 21352),//3rd order Cheby Fil
m_filterStage2(32768, 0,-32768, 32768, -50339, 19052),
m_filterStage3(32768, -65536, 32768, 32768, -64075, 31460),
m_blanking(),
m_useCOS(true),
m_accessMode(1U),
m_cosInvert(false),
m_rfAudioBoost(1U),
m_downsampler(128U),//Size might need adjustement
@ -54,12 +62,8 @@ m_outputRB(2400U) // 100ms of audio
void CFM::samples(bool cos, const q15_t* samples, uint8_t length)
{
if (m_useCOS) {
if (m_cosInvert)
cos = !cos;
} else {
cos = true;
}
if (m_cosInvert)
cos = !cos;
clock(length);
@ -70,33 +74,48 @@ void CFM::samples(bool cos, const q15_t* samples, uint8_t length)
uint8_t ctcssState = m_ctcssRX.process(currentSample);
if (!m_useCOS) {
// Delay the audio by 100ms to better match the CTCSS detector output
m_inputRB.put(currentSample);
m_inputRB.get(currentSample);
switch (m_accessMode) {
case 0U:
stateMachine(cos);
break;
case 1U:
// Delay the audio by 100ms to better match the CTCSS detector output
m_inputRB.put(currentSample);
m_inputRB.get(currentSample);
if (CTCSS_NOT_READY(ctcssState) && m_modemState != STATE_FM) {
// Not enough samples to determine if you have CTCSS, just carry on
} else {
bool validCTCSS = CTCSS_VALID(ctcssState);
stateMachine(validCTCSS);
}
break;
case 2U:
if (CTCSS_NOT_READY(ctcssState) && m_modemState != STATE_FM) {
// Not enough samples to determine if you have CTCSS, just carry on
} else {
bool validCTCSS = CTCSS_VALID(ctcssState);
stateMachine(validCTCSS && cos);
}
break;
default:
if (CTCSS_NOT_READY(ctcssState) && m_modemState != STATE_FM) {
// Not enough samples to determine if you have CTCSS, just carry on
} else if (CTCSS_READY(ctcssState) && m_modemState != STATE_FM) {
// We had enough samples for CTCSS and we are in some other mode than FM
bool validCTCSS = CTCSS_VALID(ctcssState);
stateMachine(validCTCSS && cos);
} else {
stateMachine(cos);
}
break;
}
if (CTCSS_NOT_READY(ctcssState) && m_modemState != STATE_FM) {
//Not enough samples to determine if you have CTCSS, just carry on
if (m_modemState != STATE_FM)
continue;
} else if (CTCSS_READY(ctcssState) && m_modemState != STATE_FM) {
//we had enough samples for CTCSS and we are in some other mode than FM
bool validCTCSS = CTCSS_VALID(ctcssState);
stateMachine(validCTCSS && cos);
if (m_modemState != STATE_FM)
continue;
} else if (CTCSS_READY(ctcssState) && m_modemState == STATE_FM) {
//We had enough samples for CTCSS and we are in FM mode, trigger the state machine
bool validCTCSS = CTCSS_VALID(ctcssState);
stateMachine(validCTCSS && cos);
if (m_modemState != STATE_FM)
break;
} else if (CTCSS_NOT_READY(ctcssState) && m_modemState == STATE_FM && i == length - 1) {
//Not enough samples for CTCSS but we already are in FM, trigger the state machine
//but do not trigger the state machine on every single sample, save CPU!
bool validCTCSS = CTCSS_VALID(ctcssState);
stateMachine(validCTCSS && cos);
}
// Only let audio through when relaying audio
if (m_state == FS_RELAYING || m_state == FS_KERCHUNK) {
@ -183,10 +202,10 @@ 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 ctcssHighThreshold, uint8_t ctcssLowThreshold, uint8_t ctcssLevel, uint8_t kerchunkTime, uint8_t hangTime, bool useCOS, bool cosInvert, uint8_t rfAudioBoost, uint8_t maxDev, uint8_t rxLevel)
uint8_t CFM::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)
{
m_useCOS = useCOS;
m_cosInvert = cosInvert;
m_accessMode = accessMode;
m_cosInvert = cosInvert;
m_rfAudioBoost = q15_t(rfAudioBoost);