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Fixes to get it running, working for the most part (currently using DGU

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mode on 40 meter FT8, so it can't be all bad).  Filters added, although
not currently selectable (til I get the rotary encoder added).
This commit is contained in:
Rob French 2020-05-27 22:45:37 -05:00
parent 5e16a49859
commit 519a208508
7 changed files with 238 additions and 50 deletions
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125
ubitx_iop/RigMode.h
View File

@ -5,6 +5,8 @@
#ifndef __RigMode_h__
#define __RigMode_h__
#include "audio.h"
// Exceptions not active (for Arduino, I assume?).
//enum IModeExceptions {
// MODE_ALREADY_ACTIVE = -1,
@ -22,8 +24,8 @@
class IMode {
public:
IMode(IConfig& c, RigAudio& a):
_config(c), _audio(a), _active(false), _transmitting(false)
IMode(IConfig& c, RigAudio& a, IFilter& f):
_config(c), _audio(a), _filter(f), _active(false), _transmitting(false)
{
}
@ -33,6 +35,8 @@ class IMode {
inline RigAudio& audio() { return _audio; }
inline IFilter& filter() { return _filter; }
// Called upon mode entry. Should assume that the rig's state is
// "clean", i.e. that it still needs to enable anything it needs for
// use in the mode.
@ -98,10 +102,17 @@ class IMode {
inline bool isTx() const { return _transmitting; }
inline bool isRx() const { return !_transmitting; }
virtual void setWideRxFilter()= 0;
virtual void setMediumRxFilter()= 0;
virtual void setNarrowRxFilter()= 0;
private:
IConfig& _config;
RigAudio& _audio;
IFilter& _filter;
bool _active;
bool _transmitting;
};
@ -114,13 +125,14 @@ class SSBMode : public IMode
{
public:
SSBMode(IConfig& c, RigAudio& a, bool default_mic=true):
IMode(c, a), _use_mic(default_mic)
SSBMode(IConfig& c, RigAudio& a, IFilter& f, bool default_mic=true):
IMode(c, a, f), _use_mic(default_mic)
{
}
virtual void onEntry()
{
setWideRxFilter();
audio().unmuteRx();
audio().muteAllTx();
USBDEBUG("SSB mode entered");
@ -172,6 +184,24 @@ class SSBMode : public IMode
USBDEBUG("SSB mode - Line In set");
}
virtual void setWideRxFilter(){
((BPFilter&)filter()).setBand(300.0, 3100.0);
filter().enable();
USBDEBUG("set wide RX SSB filter");
}
virtual void setMediumRxFilter(){
((BPFilter&)filter()).setBand(500.0, 2900.0);
filter().enable();
USBDEBUG("set medium RX SSB filter");
}
virtual void setNarrowRxFilter(){
((BPFilter&)filter()).setBand(700.0, 2500.0);
filter().enable();
USBDEBUG("set narrow RX SSB filter");
}
private:
bool _use_mic;
@ -185,13 +215,14 @@ class DGTMode : public IMode
{
public:
DGTMode(IConfig& c, RigAudio& a):
IMode(c, a)
DGTMode(IConfig& c, RigAudio& a, IFilter& f):
IMode(c, a, f)
{
}
virtual void onEntry()
{
setWideRxFilter();
audio().unmuteRx();
audio().muteAllTx();
USBDEBUG("DGT mode entered");
@ -216,6 +247,24 @@ class DGTMode : public IMode
audio().unmuteRx();
USBDEBUG("DGT mode receiving");
}
virtual void setWideRxFilter(){
((BPFilter&)filter()).setBand(300.0, 3100.0);
filter().enable();
USBDEBUG("set wide RX DGT filter");
}
virtual void setMediumRxFilter(){
((BPFilter&)filter()).setBand(500.0, 2900.0);
filter().enable();
USBDEBUG("set medium RX DGT filter");
}
virtual void setNarrowRxFilter(){
((BPFilter&)filter()).setCenterAndWidth(1500.0, 500.0);
filter().enable();
USBDEBUG("set narrow RX DGT filter");
}
};
@ -227,13 +276,14 @@ class CWMode : public IMode
{
public:
CWMode(IConfig& c, RigAudio& a):
IMode(c, a)
CWMode(IConfig& c, RigAudio& a, IFilter& f):
IMode(c, a, f)
{
}
virtual void onEntry()
{
setWideRxFilter();
audio().unmuteRx();
audio().muteAllTx();
USBDEBUG("CW mode entered");
@ -257,6 +307,42 @@ class CWMode : public IMode
{
USBDEBUG("CW mode receiving");
}
virtual void setWideRxFilter(){
float st = float(((CWConfig&)config()).sidetone);
float width = 1000.0;
float low = st - (width * 0.5);
if (low < 300.0) {
low = 300.0;
}
((BPFilter&)filter()).setBand(low, low + width);
filter().enable();
USBDEBUG("set wide RX CW filter");
}
virtual void setMediumRxFilter(){
float st = float(((CWConfig&)config()).sidetone);
float width = 500.0;
float low = st - (width * 0.5);
if (low < 300.0) {
low = 300.0;
}
((BPFilter&)filter()).setBand(low, low + width);
filter().enable();
USBDEBUG("set medium RX CW filter");
}
virtual void setNarrowRxFilter(){
float st = float(((CWConfig&)config()).sidetone);
float width = 250.0;
float low = st - (width * 0.5);
if (low < 300.0) {
low = 300.0;
}
((BPFilter&)filter()).setBand(low, low + width);
filter().enable();
USBDEBUG("set narrow RX CW filter");
}
};
//======================================================================
@ -267,13 +353,14 @@ class TTMode : public IMode
{
public:
TTMode(IConfig& c, RigAudio& a):
IMode(c, a)
TTMode(IConfig& c, RigAudio& a, IFilter& f):
IMode(c, a, f)
{
}
virtual void onEntry()
{
setWideRxFilter();
audio().unmuteRx();
audio().muteAllTx();
USBDEBUG("Test (Two-Tone) mode entered");
@ -298,6 +385,24 @@ class TTMode : public IMode
audio().unmuteRx();
USBDEBUG("Test (Two-Tone) mode receiving");
}
virtual void setWideRxFilter(){
((BPFilter&)filter()).setBand(300.0, 3100.0);
filter().enable();
USBDEBUG("set wide RX TT filter");
}
virtual void setMediumRxFilter(){
((BPFilter&)filter()).setBand(500.0, 2900.0);
filter().enable();
USBDEBUG("set medium RX TT filter");
}
virtual void setNarrowRxFilter(){
((BPFilter&)filter()).setBand(700.0, 2500.0);
filter().enable();
USBDEBUG("set narrow RX TT filter");
}
};
#endif

19
ubitx_iop/audio.h
View File

@ -49,18 +49,27 @@ class RigAudio
//======================================================================
class BPFilter {
class IFilter {
public:
virtual ~IFilter() {}
virtual void enable() = 0;
virtual void disable()= 0;
};
class BPFilter : public IFilter {
public:
BPFilter(double f1, double f2, bool use_center, short int window, short int coeff);
BPFilter(double f1, double f2, bool use_center, short int window=-1, short int coeff=-1);
void init(AudioFilterFIR* filter=NULL, short* coefficients=NULL);
void setFreqLo(double f);
void setFreqHi(double f);
void setBand(double f1, double f2);
void setCenter(double c);
void setWidth(double w);
void setCenterAndWidth(double c, double w);
void update(AudioFilterFIR* filter, short* coefficients);
virtual void enable();
virtual void disable();
private:
@ -70,8 +79,8 @@ class BPFilter {
short int _coeff;
float _recovery; // recovery amplifier value
static AudioFilterFIR* _filter; // = &filterRX;
static short _coefficients[];
AudioFilterFIR* _filter; // = &filterRX;
short* _coefficients;
};
//======================================================================

58
ubitx_iop/audio.ino
View File

@ -13,7 +13,7 @@
#include "audio.h"
#include "tx_audio_proc.h"
short firActive[NUM_COEFFICIENTS];
//short firActive[NUM_COEFFICIENTS];
#define RX_RIG_IN 0
#define RX_USB_IN 1
@ -97,6 +97,15 @@ void RigAudio::init() const {
USBDEBUG("audio initialization started");
audioCtrl.enable();
audioCtrl.adcHighPassFilterEnable(); // default
audioCtrl.dacVolume(1.0); // default
audioCtrl.dacVolumeRampDisable(); // not default; just trying to cull out culprits for my high freq hiss
audioCtrl.audioProcessorDisable();
audioCtrl.autoVolumeDisable();
audioCtrl.surroundSoundDisable();
audioCtrl.enhanceBassDisable();
audioCtrl.eqSelect(FLAT_FREQUENCY); // eventually, use this to smooth out the normal uBITX passband
audioCtrl.muteHeadphone(); // not using the headphone output
audioCtrl.volume(0.0); // not using the headphone output
audioCtrl.inputSelect(AUDIO_INPUT_LINEIN); // required for RX audio
@ -133,8 +142,8 @@ void RigAudio::init() const {
sine1.amplitude(0);
sine2.amplitude(0);
audioFilter(firActive, NUM_COEFFICIENTS, ID_BANDPASS, W_HAMMING, 300.0, 3100.0); // 2.8 kHz filter
filterRX.begin(firActive, NUM_COEFFICIENTS);
//audioFilter(firActive, NUM_COEFFICIENTS, ID_BANDPASS, W_HAMMING, 300.0, 3100.0); // 2.8 kHz filter
//filterRX.begin(firActive, NUM_COEFFICIENTS);
filterAmp.gain(1.0);
// for now, just pass through the compressor
@ -257,9 +266,17 @@ TxOutput audioTxOutput;
//======================================================================
BPFilter::BPFilter(double f1, double f2, bool use_center=false, short int window=W_HAMMING, short int coeff=NUM_COEFFICIENTS):
short _internal_coefficients[NUM_COEFFICIENTS];
BPFilter::BPFilter(double f1, double f2, bool use_center=false, short int window, short int coeff):
_window(window), _coeff(coeff)
{
if (window == -1) {
_window = W_HAMMING;
}
if (coeff == -1) {
_coeff = NUM_COEFFICIENTS;
}
if (use_center) { // treat f1 as center frequency, f2 as filter width
_freq_lo = f1 - (0.5 * f2);
_freq_hi = f1 + (0.5 * f2);
@ -269,6 +286,21 @@ _window(window), _coeff(coeff)
}
}
void BPFilter::init(AudioFilterFIR* filter, short* coefficients) {
if (filter == NULL) {
_filter = &filterRX;
} else {
_filter = filter;
}
if (coefficients == NULL) {
_coefficients = _internal_coefficients;
} else {
_coefficients = coefficients;
}
//audioFilter(coefficients, NUM_COEFFICIENTS, ID_BANDPASS, _window, _freq_lo, _freq_hi);
//filter->begin(coefficients, NUM_COEFFICIENTS);
}
void BPFilter::setFreqLo(double f) { _freq_lo = f; }
void BPFilter::setFreqHi(double f) { _freq_hi = f; }
@ -276,7 +308,6 @@ void BPFilter::setFreqHi(double f) { _freq_hi = f; }
void BPFilter::setBand(double f1, double f2) {
_freq_lo = f1;
_freq_hi = f2;
}
void BPFilter::setCenter(double c) {
@ -294,19 +325,14 @@ void BPFilter::setCenterAndWidth(double c, double w) {
_freq_hi = c + (0.5 * w);
}
void BPFilter::update(AudioFilterFIR* filter=NULL, short* coefficients=NULL) {
if (filter == NULL) {
filter = _filter;
}
if (coefficients == NULL) {
coefficients = _coefficients;
}
audioFilter(coefficients, NUM_COEFFICIENTS, ID_BANDPASS, _window, _freq_lo, _freq_hi);
filter->begin(coefficients, NUM_COEFFICIENTS);
void BPFilter::enable() {
audioFilter(_coefficients, NUM_COEFFICIENTS, ID_BANDPASS, _window, _freq_lo, _freq_hi);
_filter->begin(_coefficients, NUM_COEFFICIENTS);
}
AudioFilterFIR* BPFilter::_filter = &filterRX;
short BPFilter::_coefficients[NUM_COEFFICIENTS];
void BPFilter::disable() {
_filter->begin(FIR_PASSTHRU, NUM_COEFFICIENTS);
}
//======================================================================
/*

7
ubitx_iop/config.h
View File

@ -30,9 +30,9 @@ class AudioConfig {
//--------------------------------------------------------------------
// rig-in parameters (RX)
uint8_t rxRigInLevel = 5;
uint8_t rxRigInLevel = 8; //5;
float rxRigInVol = 1.0; //0.7;
float rxRigInCal = 1.0;
float rxRigInCal = 8.0; //1.0;
// USB-in parameters (RX) - debug/monitor use only
bool rxUSBInEnable = false;
float rxUSBInVol = 1.0;
@ -147,7 +147,8 @@ class RigConfig {
TTConfig ttu{RX_FILTER_WIDE};
// General rig configuration entries.
RigMode mode = RIG_MODE_LSB;
RigMode numModes = NUM_RIG_MODES;
RigMode startMode = RIG_MODE_LSB;
};
extern RigConfig rigConfig;

49
ubitx_iop/rig.h
View File

@ -22,17 +22,17 @@ class Rig {
Rig(RigConfig& c, RigAudio& a): _config(c), _audio(a)
{
_modes = new IMode*[NUM_RIG_MODES];
_modesLen = NUM_RIG_MODES;
_modesIndex = c.mode;
_modes[RIG_MODE_LSB] = new SSBMode(c.lsb, a);
_modes = new IMode*[c.numModes];
_modesLen = c.numModes;
_modesIndex = c.startMode;
/* _modes[RIG_MODE_LSB] = new SSBMode(c.lsb, a);
_modes[RIG_MODE_USB] = new SSBMode(c.usb, a);
_modes[RIG_MODE_CWL] = new CWMode(c.cwl, a);
_modes[RIG_MODE_CWU] = new CWMode(c.cwu, a);
_modes[RIG_MODE_DGL] = new DGTMode(c.dgl, a);
_modes[RIG_MODE_DGU] = new DGTMode(c.dgu, a);
_modes[RIG_MODE_TTL] = new TTMode(c.ttl, a);
_modes[RIG_MODE_TTU] = new TTMode(c.ttu, a);
_modes[RIG_MODE_TTU] = new TTMode(c.ttu, a);*/
/*
_rxFilters = new (IFilter*)[NUM_RX_FILTERS];
_rxFiltersLen = NUM_RX_FILTERS;
@ -45,7 +45,7 @@ class Rig {
~Rig()
{
for (int i = 0; i < _modesLen; i++) {
for (unsigned i = 0; i < _modesLen; i++) {
delete _modes[i];
}
delete _modes;
@ -68,13 +68,24 @@ class Rig {
inline bool isTTUMode() const { return (_modesIndex == RIG_MODE_TTU); }
inline bool isTTLMode() const { return (_modesIndex == RIG_MODE_TTL); }
// Assign a pointer to a mode object. Returns true if successful, false otherwise.
bool addNewMode(RigMode i, IMode* mode) {
if (i > _modesLen) {
return false;
} else {
_modes[i] = mode;
return true;
}
}
// Returns a pointer to the current mode.
inline IMode* mode() const {
return _modes[_modesIndex];
}
// Returns the array index of the current mode.
inline RigMode modeNum() const {
return RigMode(_modesIndex);
return _modesIndex;
}
/* // Returns a pointer to the specified mode.
@ -89,7 +100,7 @@ class Rig {
mode()->exit(); // NOTE: This could currently occur during TX, which is NOT desirable.
// select the new mode
_modesIndex = i % _modesLen; // do I need the modulo?
_modesIndex = RigMode(i % _modesLen);
//enter the new mode
mode()->enter();
@ -107,11 +118,10 @@ class Rig {
// select the new mode
if (prev) {
_modesIndex--;
_modesIndex = RigMode((_modesIndex > 0 ? _modesIndex - 1 : _modesLen - 1));
} else {
_modesIndex++;
_modesIndex = RigMode((_modesIndex + 1) % _modesLen);
}
_modesIndex %= _modesLen;
// enter the new mode
mode()->enter();
@ -144,6 +154,19 @@ class Rig {
//--------------------------------------------------------------------
// RX filter control.
//--------------------------------------------------------------------
inline void setWideRxFilter() {
mode()->setWideRxFilter();
}
inline void setMediumRxFilter() {
mode()->setMediumRxFilter();
}
inline void setNarrowRxFilter() {
mode()->setNarrowRxFilter();
}
/*
// Returns a pointer to the current RX filter.
IFilter* rxFilter() {
@ -247,8 +270,8 @@ class Rig {
RigAudio& _audio;
IMode** _modes;
uint8_t _modesLen;
uint8_t _modesIndex;
RigMode _modesLen;
RigMode _modesIndex;
/*
IFilter** _rxFilters;

2
ubitx_iop/ubitx_iop.h
View File

@ -14,7 +14,7 @@
#define PTT_KEY_OUT_PIN 2
// comment this out to disable debugging code
#define DEBUG
//#define DEBUG
#if defined(DEBUG)
#define USBDEBUG(x) USBSERIAL.print("IOP: "); USBSERIAL.println(x);

26
ubitx_iop/ubitx_iop.ino
View File

@ -16,6 +16,17 @@ RigConfig rigConfig;
RigAudio rigAudio{rigConfig.audio};
Rig rig{rigConfig, rigAudio};
BPFilter rxFilter{300, 3100, false};
SSBMode lsbMode{rigConfig.lsb, rigAudio, rxFilter};
SSBMode usbMode{rigConfig.usb, rigAudio, rxFilter};
CWMode cwlMode{rigConfig.cwl, rigAudio, rxFilter};
CWMode cwuMode{rigConfig.cwu, rigAudio, rxFilter};
DGTMode dglMode{rigConfig.dgl, rigAudio, rxFilter};
DGTMode dguMode{rigConfig.dgu, rigAudio, rxFilter};
TTMode ttlMode{rigConfig.ttl, rigAudio, rxFilter};
TTMode ttuMode{rigConfig.ttu, rigAudio, rxFilter};
CATSwitch catPTT;
//MicSwitch micPTTHelper;
GPIOSwitch micPTT(true, MIC_PTT_PIN);
@ -35,7 +46,20 @@ void setup() {
initCAT(38400, SERIAL_8N1);
USBDEBUG("setup started");
AudioMemory(20); // NOTE: Need to fine tune this. Have had errors due to this being too low.
AudioMemory(16); // NOTE: Need to fine tune this. Have had errors due to this being too low.
// initialize the filter(s)
rxFilter.init();
// adding all of the modes to the rig
rig.addNewMode(RIG_MODE_LSB, &lsbMode);
rig.addNewMode(RIG_MODE_USB, &usbMode);
rig.addNewMode(RIG_MODE_CWL, &cwlMode);
rig.addNewMode(RIG_MODE_CWU, &cwuMode);
rig.addNewMode(RIG_MODE_DGL, &dglMode);
rig.addNewMode(RIG_MODE_DGU, &dguMode);
rig.addNewMode(RIG_MODE_TTL, &ttlMode);
rig.addNewMode(RIG_MODE_TTU, &ttuMode);
initKeyLine();
rigAudio.init();