mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-22 23:56:13 +01:00
367 lines
12 KiB
C++
367 lines
12 KiB
C++
/*
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* © 2021 Neil McKechnie
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* © 2021-2023 Harald Barth
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* © 2020-2023 Chris Harlow
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* © 2022-2023 Colin Murdoch
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* All rights reserved.
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*
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* This file is part of CommandStation-EX
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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// THIS file is an extension of the RMFT2 class
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// normally found in EXRAIL2.cpp
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#include <Arduino.h>
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#include "defines.h"
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#include "EXRAIL2.h"
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#include "DCC.h"
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#include "KeywordHasher.h"
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// This filter intercepts <> commands to do the following:
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// - Implement RMFT specific commands/diagnostics
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// - Reject/modify JMRI commands that would interfere with RMFT processing
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void RMFT2::ComandFilter(Print * stream, byte & opcode, byte & paramCount, int16_t p[]) {
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(void)stream; // avoid compiler warning if we don't access this parameter
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switch(opcode) {
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case 'D':
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if (p[0]=="EXRAIL"_hk) { // <D EXRAIL ON/OFF>
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diag = paramCount==2 && (p[1]=="ON"_hk || p[1]==1);
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opcode=0;
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}
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break;
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case '/': // New EXRAIL command
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if (parseSlash(stream,paramCount,p)) opcode=0;
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break;
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case 'A': // <A address aspect>
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if (paramCount!=2) break;
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// Ask exrail if this is just changing the aspect on a
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// predefined DCCX_SIGNAL. Because this will handle all
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// the IFRED and ONRED type issues at the same time.
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if (signalAspectEvent(p[0],p[1])) opcode=0; // all done
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break;
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case 'L':
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// This entire code block is compiled out if LLC macros not used
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if (!(compileFeatures & FEATURE_LCC)) return;
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static int lccProgCounter=0;
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static int lccEventIndex=0;
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if (paramCount==0) { //<L> LCC adapter introducing self
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LCCSerial=stream; // now we know where to send events we raise
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opcode=0; // flag command as intercepted
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// loop through all possible sent/waited events
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for (int progCounter=lccProgCounter;; SKIPOP) {
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byte exrailOpcode=GET_OPCODE;
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switch (exrailOpcode) {
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case OPCODE_ENDEXRAIL:
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stream->print(F("<LR>\n")); // ready to roll
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lccProgCounter=0; // allow a second pass
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lccEventIndex=0;
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return;
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case OPCODE_LCC:
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StringFormatter::send(stream,F("<LS x%h>\n"),getOperand(progCounter,0));
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SKIPOP;
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lccProgCounter=progCounter;
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return;
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case OPCODE_LCCX: // long form LCC
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StringFormatter::send(stream,F("<LS x%h%h%h%h>\n"),
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getOperand(progCounter,1),
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getOperand(progCounter,2),
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getOperand(progCounter,3),
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getOperand(progCounter,0)
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);
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SKIPOP;SKIPOP;SKIPOP;SKIPOP;
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lccProgCounter=progCounter;
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return;
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case OPCODE_ACON: // CBUS ACON
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case OPCODE_ACOF: // CBUS ACOF
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StringFormatter::send(stream,F("<LS x%c%h%h>\n"),
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exrailOpcode==OPCODE_ACOF?'1':'0',
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getOperand(progCounter,0),getOperand(progCounter,1));
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SKIPOP;SKIPOP;
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lccProgCounter=progCounter;
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return;
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// we stream the hex events we wish to listen to
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// and at the same time build the event index looku.
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case OPCODE_ONLCC:
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StringFormatter::send(stream,F("<LL %d x%h%h%h:%h>\n"),
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lccEventIndex,
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getOperand(progCounter,1),
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getOperand(progCounter,2),
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getOperand(progCounter,3),
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getOperand(progCounter,0)
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);
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SKIPOP;SKIPOP;SKIPOP;SKIPOP;
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// start on handler at next
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onLCCLookup[lccEventIndex]=progCounter;
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lccEventIndex++;
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lccProgCounter=progCounter;
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return;
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case OPCODE_ONACON:
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case OPCODE_ONACOF:
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StringFormatter::send(stream,F("<LL %d x%c%h%h>\n"),
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lccEventIndex,
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exrailOpcode==OPCODE_ONACOF?'1':'0',
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getOperand(progCounter,0),getOperand(progCounter,1)
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);
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SKIPOP;SKIPOP;
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// start on handler at next
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onLCCLookup[lccEventIndex]=progCounter;
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lccEventIndex++;
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lccProgCounter=progCounter;
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return;
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default:
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break;
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}
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}
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}
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if (paramCount==1) { // <L eventid> LCC event arrived from adapter
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int16_t eventid=p[0];
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bool reject = eventid<0 || eventid>=countLCCLookup;
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if (!reject) {
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startNonRecursiveTask(F("LCC"),eventid,onLCCLookup[eventid]);
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opcode=0;
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}
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}
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break;
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case 'J': // throttle info commands
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if (paramCount<1) return;
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switch(p[0]) {
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case "A"_hk: // <JA> returns automations/routes
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if (paramCount==1) {// <JA>
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StringFormatter::send(stream, F("<jA"));
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routeLookup->stream(stream);
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StringFormatter::send(stream, F(">\n"));
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opcode=0;
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return;
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}
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if (paramCount==2) { // <JA id>
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int16_t id=p[1];
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StringFormatter::send(stream,F("<jA %d %c \"%S\">\n"),
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id, getRouteType(id), getRouteDescription(id));
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if (compileFeatures & FEATURE_ROUTESTATE) {
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// Send any non-default button states or captions
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int16_t statePos=routeLookup->findPosition(id);
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if (statePos>=0) {
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if (routeStateArray[statePos])
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StringFormatter::send(stream,F("<jB %d %d>\n"), id, routeStateArray[statePos]);
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if (routeCaptionArray[statePos])
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StringFormatter::send(stream,F("<jB %d \"%S\">\n"), id,routeCaptionArray[statePos]);
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}
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}
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opcode=0;
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return;
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}
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break;
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case "M"_hk:
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// NOTE: we only need to handle valid calls here because
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// DCCEXParser has to have code to handle the <J<> cases where
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// exrail isnt involved anyway.
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// This entire code block is compiled out if STASH macros not used
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if (!(compileFeatures & FEATURE_STASH)) return;
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if (paramCount==1) { // <JM>
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StringFormatter::send(stream,F("<jM %d>\n"),maxStashId);
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opcode=0;
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break;
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}
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if (paramCount==2) { // <JM id>
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if (p[1]<=0 || p[1]>maxStashId) break;
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StringFormatter::send(stream,F("<jM %d %d>\n"),
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p[1],stashArray[p[1]]);
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opcode=0;
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break;
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}
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if (paramCount==3) { // <JM id cab>
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if (p[1]<=0 || p[1]>maxStashId) break;
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stashArray[p[1]]=p[2];
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opcode=0;
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break;
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}
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break;
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default:
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break;
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}
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default: // other commands pass through
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break;
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}
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}
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bool RMFT2::parseSlash(Print * stream, byte & paramCount, int16_t p[]) {
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if (paramCount==0) { // STATUS
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StringFormatter::send(stream, F("<* EXRAIL STATUS"));
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RMFT2 * task=loopTask;
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while(task) {
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if ((compileFeatures & FEATURE_BLINK)
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&& (task->blinkState==blink_high || task->blinkState==blink_low)) {
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StringFormatter::send(stream,F("\nID=%d,PC=%d,BLINK=%d"),
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(int)(task->taskId),task->progCounter,task->blinkPin
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);
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}
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else {
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StringFormatter::send(stream,F("\nID=%d,PC=%d,LOCO=%d%c,SPEED=%d%c"),
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(int)(task->taskId),task->progCounter,task->loco,
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task->invert?'I':' ',
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task->speedo,
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task->forward?'F':'R'
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);
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}
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task=task->next;
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if (task==loopTask) break;
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}
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// Now stream the flags
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for (int id=0;id<MAX_FLAGS; id++) {
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byte flag=flags[id];
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if (flag & ~TASK_FLAG & ~SIGNAL_MASK) { // not interested in TASK_FLAG only. Already shown above
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StringFormatter::send(stream,F("\nflags[%d] "),id);
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if (flag & SECTION_FLAG) StringFormatter::send(stream,F(" RESERVED"));
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if (flag & LATCH_FLAG) StringFormatter::send(stream,F(" LATCHED"));
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}
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}
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if (compileFeatures & FEATURE_SIGNAL) {
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// do the signals
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// flags[n] represents the state of the nth signal in the table
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for (int sigslot=0;;sigslot++) {
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int16_t sighandle=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigslot*8);
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if (sighandle==0) break; // end of signal list
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VPIN sigid = sighandle & SIGNAL_ID_MASK;
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byte flag=flags[sigslot] & SIGNAL_MASK; // obtain signal flags for this id
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StringFormatter::send(stream,F("\n%S[%d]"),
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(flag == SIGNAL_RED)? F("RED") : (flag==SIGNAL_GREEN) ? F("GREEN") : F("AMBER"),
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sigid);
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}
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}
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if (compileFeatures & FEATURE_STASH) {
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for (int i=1;i<=maxStashId;i++) {
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if (stashArray[i])
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StringFormatter::send(stream,F("\nSTASH[%d] Loco=%d"),
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i, stashArray[i]);
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}
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}
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StringFormatter::send(stream,F(" *>\n"));
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return true;
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}
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switch (p[0]) {
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case "PAUSE"_hk: // </ PAUSE>
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if (paramCount!=1) return false;
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DCC::setThrottle(0,1,true); // pause all locos on the track
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pausingTask=(RMFT2 *)1; // Impossible task address
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return true;
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case "RESUME"_hk: // </ RESUME>
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if (paramCount!=1) return false;
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pausingTask=NULL;
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{
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RMFT2 * task=loopTask;
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while(task) {
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if (task->loco) task->driveLoco(task->speedo);
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task=task->next;
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if (task==loopTask) break;
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}
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}
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return true;
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case "START"_hk: // </ START [cab] route >
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if (paramCount<2 || paramCount>3) return false;
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{
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int route=(paramCount==2) ? p[1] : p[2];
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uint16_t cab=(paramCount==2)? 0 : p[1];
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int pc=routeLookup->find(route);
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if (pc<0) return false;
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RMFT2* task=new RMFT2(pc);
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task->loco=cab;
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}
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return true;
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default:
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break;
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}
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// check KILL ALL here, otherwise the next validation confuses ALL with a flag
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if (p[0]=="KILL"_hk && p[1]=="ALL"_hk) {
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while (loopTask) loopTask->kill(F("KILL ALL")); // destructor changes loopTask
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return true;
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}
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// all other / commands take 1 parameter
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if (paramCount!=2 ) return false;
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switch (p[0]) {
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case "KILL"_hk: // Kill taskid|ALL
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{
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if ( p[1]<0 || p[1]>=MAX_FLAGS) return false;
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RMFT2 * task=loopTask;
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while(task) {
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if (task->taskId==p[1]) {
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task->kill(F("KILL"));
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return true;
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}
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task=task->next;
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if (task==loopTask) break;
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}
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}
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return false;
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case "RESERVE"_hk: // force reserve a section
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return setFlag(p[1],SECTION_FLAG);
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case "FREE"_hk: // force free a section
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return setFlag(p[1],0,SECTION_FLAG);
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case "LATCH"_hk:
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return setFlag(p[1], LATCH_FLAG);
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case "UNLATCH"_hk:
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return setFlag(p[1], 0, LATCH_FLAG);
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case "RED"_hk:
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doSignal(p[1],SIGNAL_RED);
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return true;
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case "AMBER"_hk:
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doSignal(p[1],SIGNAL_AMBER);
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return true;
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case "GREEN"_hk:
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doSignal(p[1],SIGNAL_GREEN);
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return true;
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default:
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return false;
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}
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}
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