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DC track change fixes

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This commit is contained in:
Asbelos 2022-03-28 14:44:41 +01:00
parent 78810d0e36
commit 49e0a0e5f5
2 changed files with 35 additions and 0 deletions
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3
MotorDriver.h
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@ -60,6 +60,9 @@ class MotorDriver {
virtual int getCurrentRawInInterrupt();
virtual unsigned int raw2mA( int raw);
virtual int mA2raw( unsigned int mA);
inline bool canBrake() {
return brakePin!=UNUSED_PIN;
}
inline int getRawCurrentTripValue() {
return rawCurrentTripValue;
}

32
TrackManager.cpp
View File

@ -109,6 +109,14 @@ void TrackManager::setDCSignal(int16_t cab, byte speedbyte) {
bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr) {
if (trackToSet>lastTrack || track[trackToSet]==NULL) return false;
// DC tracks require a motorDriver that can set brake!
if ((mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX)
&& !track[trackToSet]->canBrake()) {
DIAG(F("No brake:no DC"));
return false;
}
if (mode==TRACK_MODE_PROG) {
// only allow 1 track to be prog
FOR_EACH_TRACK(t)
@ -120,6 +128,29 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
trackMode[trackToSet]=mode;
trackDCAddr[trackToSet]=dcAddr;
// When a track is switched, we must clear any side effects of its previous
// state, otherwise trains run away or just dont move.
if (mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX) {
// DC tracks need to be given speed of the throttle for that cab address
// otherwise will not match other tracks on same cab.
// This also needs to allow for inverted DCX
int16_t speed1=DCC::getThrottleSpeed(dcAddr);
byte speedByte;
if (speed1<0) speedByte=0;
else {
speedByte=speed1;
bool direction=DCC::getThrottleDirection(dcAddr);
if (mode==TRACK_MODE_DCX) direction=!direction;
if (direction) speedByte|=0x80;
}
track[trackToSet]->setDCSignal(speedByte);
}
else {
// DCC tracks need to have the brake set off or they will not work.
track[trackToSet]->setBrake(false);
}
// re-evaluate HighAccuracy mode
// We can only do this is all main and prog tracks agree
bool canDo=true;
@ -128,6 +159,7 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
canDo &= track[t]->isPWMCapable();
MotorDriver::usePWM=canDo;
// Normal running tracks are set to the global power state
track[trackToSet]->setPower(
(mode==TRACK_MODE_MAIN || mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX) ?