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add EXT as a new track mode

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This commit is contained in:
Harald Barth 2022-05-18 09:40:53 +02:00
parent f0e8419fea
commit 6d2a9e3b36
3 changed files with 29 additions and 5 deletions
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6
MotorDriver.h
View File

@ -99,6 +99,12 @@ class MotorDriver {
}
}
};
inline void enableSignal(bool on) {
if (on)
pinMode(signalPin, OUTPUT);
else
pinMode(signalPin, INPUT);
};
virtual void setBrake( bool on);
virtual void setDCSignal(byte speedByte);
virtual int getCurrentRaw();

26
TrackManager.cpp
View File

@ -37,6 +37,7 @@ const int16_t HASH_KEYWORD_MAIN = 11339;
const int16_t HASH_KEYWORD_OFF = 22479;
const int16_t HASH_KEYWORD_DC = 2183;
const int16_t HASH_KEYWORD_DCX = 6463; // DC reversed polarity
const int16_t HASH_KEYWORD_EXT = 8201; // External DCC signal
const int16_t HASH_KEYWORD_A = 65; // parser makes single chars the ascii.
MotorDriver * TrackManager::track[MAX_TRACKS];
@ -161,9 +162,14 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
}
else {
// DCC tracks need to have the brake set off or they will not work.
track[trackToSet]->setBrake(false);
track[trackToSet]->setBrake(false);
}
// EXT is a special case where the signal pin is
// turned off. So unless that is set, the signal
// pin should be turned on
track[trackToSet]->enableSignal(mode != TRACK_MODE_EXT);
// re-evaluate HighAccuracy mode
// We can only do this is all main and prog tracks agree
bool canDo=true;
@ -225,6 +231,9 @@ bool TrackManager::parseJ(Print *stream, int16_t params, int16_t p[])
case TRACK_MODE_OFF:
StringFormatter::send(stream,F("OFF"));
break;
case TRACK_MODE_EXT:
StringFormatter::send(stream,F("EXT"));
break;
case TRACK_MODE_DC:
StringFormatter::send(stream,F("DC %d"),trackDCAddr[t]);
break;
@ -252,7 +261,10 @@ bool TrackManager::parseJ(Print *stream, int16_t params, int16_t p[])
if (params==2 && p[1]==HASH_KEYWORD_OFF) // <= id OFF>
return setTrackMode(p[0],TRACK_MODE_OFF);
if (params==2 && p[1]==HASH_KEYWORD_EXT) // <= id EXT>
return setTrackMode(p[0],TRACK_MODE_EXT);
if (params==3 && p[1]==HASH_KEYWORD_DC && p[2]>0) // <= id DC cab>
return setTrackMode(p[0],TRACK_MODE_DC,p[2]);
@ -291,7 +303,8 @@ void TrackManager::setPower2(bool setProg,POWERMODE mode) {
case TRACK_MODE_MAIN:
if (setProg) break;
// toggle brake before turning power on - resets overcurrent error
// on the Pololu board if brake is wired to ^D2.
// on the Pololu board if brake is wired to ^D2.
// XXX see if we can make this conditional
driver->setBrake(true);
driver->setBrake(false); // DCC runs with brake off
driver->setPower(mode);
@ -309,6 +322,11 @@ void TrackManager::setPower2(bool setProg,POWERMODE mode) {
driver->setBrake(false);
driver->setPower(mode);
break;
case TRACK_MODE_EXT:
driver->setBrake(true);
driver->setBrake(false);
driver->setPower(mode);
break;
case TRACK_MODE_OFF:
break;
}

2
TrackManager.h
View File

@ -24,7 +24,7 @@
// Virtualised Motor shield multi-track hardware Interface
enum TRACK_MODE : byte {TRACK_MODE_OFF, TRACK_MODE_MAIN, TRACK_MODE_PROG,
TRACK_MODE_DC, TRACK_MODE_DCX};
TRACK_MODE_DC, TRACK_MODE_DCX, TRACK_MODE_EXT};
// These constants help EXRAIL macros say SET_TRACK(2,mode) OR SET_TRACK(C,mode) etc.
const byte TRACK_NUMBER_0=0, TRACK_NUMBER_A=0;