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Broadcast stop/estop

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Avoids directuion change in reminders
This commit is contained in:
Asbelos
2020-09-03 11:28:52 +01:00
parent 266ef01dbe
commit fd466a5e62
2 changed files with 12 additions and 6 deletions
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10
DCCEXParser.cpp
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@@ -147,16 +147,20 @@ void DCCEXParser::parse(Print * stream, byte *com, bool blocking) {
case '\0': return; // filterCallback asked us to ignore
case 't': // THROTTLE <t REGISTER CAB SPEED DIRECTION>
{
if (p[1] == 0) break; // ignore requests for throttle address 0 (returns 'X')
if (params!=4) break;
// Convert JMRI bizarre -1=emergency stop, 0-126 as speeds
// to DCC 0=stop, 1= emergency stop, 2-127 speeds
int tspeed=p[2];
if (tspeed>126 || tspeed<-1) break; // invalid JMRI speed code
if (tspeed<0) tspeed=1; // emergency stop DCC speed
else if (tspeed>0) tspeed++; // map 1-126 -> 2-127
if (p[1] == 0 && tspeed>1) break; // ignore broadcasts of speed>1
if (p[3]<0 || p[3]>1) break; // invalid direction code
DCC::setThrottle(p[1],tspeed,p[3]);
// report speed 0 after emergency stop
StringFormatter::send(stream,F("<T %d %d %d>"), p[0], p[2]<0?0:p[2],p[3]);
StringFormatter::send(stream,F("<T %d %d %d>"), p[0], p[2],p[3]);
return;
}
case 'f': // FUNCTION <f CAB BYTE1 [BYTE2]>