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CommandStation-EX/RMFT2.cpp
Asbelos 9cd3e4b7c1 ON handler fake recursion
2022-01-04 20:09:56 +00:00

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/*
* © 2020,2021 Chris Harlow. All rights reserved.
*
* This file is part of CommandStation-EX
*
* This is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* It is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
*/
/* EXRAILPlus planned FEATURE additions
F1. [DONE] DCC accessory packet opcodes (short and long form)
F2. [DONE] ONAccessory catchers
F3. [DONE] Turnout descriptions for Withrottle
F4. Oled announcements (depends on HAL)
F5. Withrottle roster info
F6. Multi-occupancy semaphore
F7. [DONE see AUTOSTART] Self starting sequences
F8. Park/unpark
F9. [DONE] Analog drive
F10. [DONE] Alias anywhere
F11. [DONE]EXRAIL/ENDEXRAIL unnecessary
F12. [DONE] Allow guarded code (as effect of ALIAS anywhere)
F13. [DONE] IFGTE/IFLT function
*/
/* EXRAILPlus planned TRANSPARENT additions
T1. [DONE] RAM based fast lookup for sequences ON* event catchers and signals.
T2. Extend to >64k
*/
#include <Arduino.h>
#include "RMFT2.h"
#include "DCC.h"
#include "DCCWaveform.h"
#include "DIAG.h"
#include "WiThrottle.h"
#include "DCCEXParser.h"
#include "Turnouts.h"
#include "CommandDistributor.h"
// Command parsing keywords
const int16_t HASH_KEYWORD_EXRAIL=15435;
const int16_t HASH_KEYWORD_ON = 2657;
const int16_t HASH_KEYWORD_START=23232;
const int16_t HASH_KEYWORD_RESERVE=11392;
const int16_t HASH_KEYWORD_FREE=-23052;
const int16_t HASH_KEYWORD_LATCH=1618;
const int16_t HASH_KEYWORD_UNLATCH=1353;
const int16_t HASH_KEYWORD_PAUSE=-4142;
const int16_t HASH_KEYWORD_RESUME=27609;
const int16_t HASH_KEYWORD_KILL=5218;
const int16_t HASH_KEYWORD_ROUTES=-3702;
// One instance of RMFT clas is used for each "thread" in the automation.
// Each thread manages a loco on a journey through the layout, and/or may manage a scenery automation.
// The thrrads exist in a ring, each time through loop() the next thread in the ring is serviced.
// Statics
const int16_t LOCO_ID_WAITING=-99; // waiting for loco id from prog track
int16_t RMFT2::progtrackLocoId; // used for callback when detecting a loco on prograck
bool RMFT2::diag=false; // <D EXRAIL ON>
RMFT2 * RMFT2::loopTask=NULL; // loopTask contains the address of ONE of the tasks in a ring.
RMFT2 * RMFT2::pausingTask=NULL; // Task causing a PAUSE.
// when pausingTask is set, that is the ONLY task that gets any service,
// and all others will have their locos stopped, then resumed after the pausing task resumes.
byte RMFT2::flags[MAX_FLAGS];
LookList * RMFT2::sequenceLookup=NULL;
LookList * RMFT2::onThrowLookup=NULL;
LookList * RMFT2::onCloseLookup=NULL;
LookList * RMFT2::onActivateLookup=NULL;
LookList * RMFT2::onDeactivateLookup=NULL;
#define GET_OPCODE GETFLASH(RMFT2::RouteCode+progCounter)
#define GET_OPERAND(n) GETFLASHW(RMFT2::RouteCode+progCounter+1+(n*3))
#define SKIPOP progCounter+=3
LookList::LookList(int16_t size) {
m_size=size;
m_loaded=0;
if (size) {
m_lookupArray=new int16_t[size];
m_resultArray=new int16_t[size];
}
}
void LookList::add(int16_t lookup, int16_t result) {
if (m_loaded==m_size) return; // and forget
m_lookupArray[m_loaded]=lookup;
m_resultArray[m_loaded]=result;
m_loaded++;
}
int16_t LookList::find(int16_t value) {
for (int16_t i=0;i<m_size;i++) {
if (m_lookupArray[i]==value) return m_resultArray[i];
}
return -1;
}
/* static */ void RMFT2::begin() {
DCCEXParser::setRMFTFilter(RMFT2::ComandFilter);
for (int f=0;f<MAX_FLAGS;f++) flags[f]=0;
int progCounter;
// counters to create lookup arrays
int sequenceCount=0; // to allow for seq 0 at start
int onThrowCount=0;
int onCloseCount=0;
int onActivateCount=0;
int onDeactivateCount=0;
// first pass count sizes for fast lookup arrays
for (progCounter=0;; SKIPOP) {
byte opcode=GET_OPCODE;
if (opcode==OPCODE_ENDEXRAIL) break;
switch (opcode) {
case OPCODE_ROUTE:
case OPCODE_AUTOMATION:
case OPCODE_SEQUENCE:
sequenceCount++;
break;
case OPCODE_ONTHROW:
onThrowCount++;
break;
case OPCODE_ONCLOSE:
onCloseCount++;
break;
case OPCODE_ONACTIVATE:
onActivateCount++;
break;
case OPCODE_ONDEACTIVATE:
onDeactivateCount++;
break;
default: // Ignore
break;
}
}
// create lookups
sequenceLookup=new LookList(sequenceCount);
onThrowLookup=new LookList(onThrowCount);
onCloseLookup=new LookList(onCloseCount);
onActivateLookup=new LookList(onActivateCount);
onDeactivateLookup=new LookList(onDeactivateCount);
// Second pass startup, define any turnouts or servos, set signals red
// add sequences onRoutines to the lookups
for (int sigpos=0;;sigpos+=3) {
VPIN redpin=GETFLASHW(RMFT2::SignalDefinitions+sigpos);
if (redpin==0) break; // end of signal list
VPIN amberpin=GETFLASHW(RMFT2::SignalDefinitions+sigpos+1);
VPIN greenpin=GETFLASHW(RMFT2::SignalDefinitions+sigpos+2);
IODevice::write(redpin,true);
if (amberpin) IODevice::write(amberpin,false);
IODevice::write(greenpin,false);
}
for (progCounter=0;; SKIPOP){
byte opcode=GET_OPCODE;
if (opcode==OPCODE_ENDEXRAIL) break;
VPIN operand=GET_OPERAND(0);
switch (opcode) {
case OPCODE_AT:
case OPCODE_AFTER:
case OPCODE_IF:
case OPCODE_IFNOT: {
int16_t pin = (int16_t)operand;
if (pin<0) pin = -pin;
IODevice::configureInput((VPIN)pin,true);
break;
}
case OPCODE_TURNOUT: {
VPIN id=operand;
int addr=GET_OPERAND(1);
byte subAddr=GET_OPERAND(2);
DCCTurnout::create(id,addr,subAddr);
break;
}
case OPCODE_SERVOTURNOUT: {
VPIN id=operand;
VPIN pin=GET_OPERAND(1);
int activeAngle=GET_OPERAND(2);
int inactiveAngle=GET_OPERAND(3);
int profile=GET_OPERAND(4);
ServoTurnout::create(id,pin,activeAngle,inactiveAngle,profile);
break;
}
case OPCODE_PINTURNOUT: {
VPIN id=operand;
VPIN pin=GET_OPERAND(1);
VpinTurnout::create(id,pin);
break;
}
case OPCODE_ROUTE:
case OPCODE_AUTOMATION:
case OPCODE_SEQUENCE:
sequenceLookup->add(operand,progCounter);
break;
case OPCODE_ONTHROW:
onThrowLookup->add(operand,progCounter);
break;
case OPCODE_ONCLOSE:
onCloseLookup->add(operand,progCounter);
break;
case OPCODE_ONACTIVATE:
onActivateLookup->add(operand,progCounter);
break;
case OPCODE_ONDEACTIVATE:
onDeactivateLookup->add(operand,progCounter);
break;
case OPCODE_AUTOSTART:
// automatically create a task from here at startup.
new RMFT2(progCounter);
break;
default: // Ignore
break;
}
}
SKIPOP; // include ENDROUTES opcode
DIAG(F("EXRAIL %db, fl=%d seq=%d, onT=%d, onC=%d"),
progCounter,MAX_FLAGS,
sequenceCount, onThrowCount, onCloseCount);
new RMFT2(0); // add the startup route
}
// This filter intercepts <> commands to do the following:
// - Implement RMFT specific commands/diagnostics
// - Reject/modify JMRI commands that would interfere with RMFT processing
void RMFT2::ComandFilter(Print * stream, byte & opcode, byte & paramCount, int16_t p[]) {
(void)stream; // avoid compiler warning if we don't access this parameter
bool reject=false;
switch(opcode) {
case 'D':
if (p[0]==HASH_KEYWORD_EXRAIL) { // <D EXRAIL ON/OFF>
diag = paramCount==2 && (p[1]==HASH_KEYWORD_ON || p[1]==1);
opcode=0;
}
break;
case '/': // New EXRAIL command
reject=!parseSlash(stream,paramCount,p);
opcode=0;
break;
default: // other commands pass through
break;
}
if (reject) {
opcode=0;
StringFormatter::send(stream,F("<X>"));
}
}
bool RMFT2::parseSlash(Print * stream, byte & paramCount, int16_t p[]) {
if (paramCount==0) { // STATUS
StringFormatter::send(stream, F("<* EXRAIL STATUS"));
RMFT2 * task=loopTask;
while(task) {
StringFormatter::send(stream,F("\nID=%d,PC=%d,LOCO=%d%c,SPEED=%d%c"),
(int)(task->taskId),task->progCounter,task->loco,
task->invert?'I':' ',
task->speedo,
task->forward?'F':'R'
);
task=task->next;
if (task==loopTask) break;
}
// Now stream the flags
for (int id=0;id<MAX_FLAGS; id++) {
byte flag=flags[id];
if (flag & ~TASK_FLAG) { // not interested in TASK_FLAG only. Already shown above
StringFormatter::send(stream,F("\nflags[%d} "),id);
if (flag & SECTION_FLAG) StringFormatter::send(stream,F(" RESERVED"));
if (flag & LATCH_FLAG) StringFormatter::send(stream,F(" LATCHED"));
}
}
StringFormatter::send(stream,F(" *>\n"));
return true;
}
switch (p[0]) {
case HASH_KEYWORD_PAUSE: // </ PAUSE>
if (paramCount!=1) return false;
DCC::setThrottle(0,1,true); // pause all locos on the track
pausingTask=(RMFT2 *)1; // Impossible task address
return true;
case HASH_KEYWORD_RESUME: // </ RESUME>
if (paramCount!=1) return false;
pausingTask=NULL;
{
RMFT2 * task=loopTask;
while(task) {
if (task->loco) task->driveLoco(task->speedo);
task=task->next;
if (task==loopTask) break;
}
}
return true;
case HASH_KEYWORD_START: // </ START [cab] route >
if (paramCount<2 || paramCount>3) return false;
{
int route=(paramCount==2) ? p[1] : p[2];
uint16_t cab=(paramCount==2)? 0 : p[1];
int pc=sequenceLookup->find(route);
if (pc<0) return false;
RMFT2* task=new RMFT2(pc);
task->loco=cab;
}
return true;
case HASH_KEYWORD_ROUTES: // </ ROUTES > JMRI withrottle support
if (paramCount>1) return false;
StringFormatter::send(stream,F("</ROUTES "));
emitWithrottleRouteList(stream);
StringFormatter::send(stream,F(">"));
return true;
default:
break;
}
// all other / commands take 1 parameter 0 to MAX_FLAGS-1
if (paramCount!=2 || p[1]<0 || p[1]>=MAX_FLAGS) return false;
switch (p[0]) {
case HASH_KEYWORD_KILL: // Kill taskid
{
RMFT2 * task=loopTask;
while(task) {
if (task->taskId==p[1]) {
delete task;
return true;
}
task=task->next;
if (task==loopTask) break;
}
}
return false;
case HASH_KEYWORD_RESERVE: // force reserve a section
setFlag(p[1],SECTION_FLAG);
return true;
case HASH_KEYWORD_FREE: // force free a section
setFlag(p[1],0,SECTION_FLAG);
return true;
case HASH_KEYWORD_LATCH:
setFlag(p[1], LATCH_FLAG);
return true;
case HASH_KEYWORD_UNLATCH:
setFlag(p[1], 0, LATCH_FLAG);
return true;
default:
return false;
}
}
// This emits Routes and Automations to Withrottle
// Automations are given a state to set the button to "handoff" which implies
// handing over the loco to the automation.
// Routes are given "Set" buttons and do not cause the loco to be handed over.
void RMFT2::emitWithrottleRouteList(Print* stream) {
StringFormatter::send(stream,F("PRT]\\[Routes}|{Route]\\[Set}|{2]\\[Handoff}|{4\nPRL"));
emitWithrottleDescriptions(stream);
StringFormatter::send(stream,F("\n"));
}
RMFT2::RMFT2(int progCtr) {
progCounter=progCtr;
// get an unused task id from the flags table
taskId=255; // in case of overflow
for (int f=0;f<MAX_FLAGS;f++) {
if (!getFlag(f,TASK_FLAG)) {
taskId=f;
setFlag(f, TASK_FLAG);
break;
}
}
delayTime=0;
loco=0;
speedo=0;
forward=true;
invert=false;
timeoutFlag=false;
stackDepth=0;
onTurnoutId=0; // Not handling an ONTHROW/ONCLOSE
// chain into ring of RMFTs
if (loopTask==NULL) {
loopTask=this;
next=this;
}
else {
next=loopTask->next;
loopTask->next=this;
}
}
RMFT2::~RMFT2() {
driveLoco(1); // ESTOP my loco if any
setFlag(taskId,0,TASK_FLAG); // we are no longer using this id
if (next==this) loopTask=NULL;
else for (RMFT2* ring=next;;ring=ring->next) if (ring->next == this) {
ring->next=next;
loopTask=next;
break;
}
}
void RMFT2::createNewTask(int route, uint16_t cab) {
int pc=sequenceLookup->find(route);
if (pc<0) return;
RMFT2* task=new RMFT2(pc);
task->loco=cab;
}
void RMFT2::driveLoco(byte speed) {
if (loco<=0) return; // Prevent broadcast!
if (diag) DIAG(F("EXRAIL drive %d %d %d"),loco,speed,forward^invert);
if (DCCWaveform::mainTrack.getPowerMode()==POWERMODE::OFF) {
DCCWaveform::mainTrack.setPowerMode(POWERMODE::ON);
CommandDistributor::broadcastPower();
}
DCC::setThrottle(loco,speed, forward^invert);
speedo=speed;
}
bool RMFT2::readSensor(uint16_t sensorId) {
// Exrail operands are unsigned but we need the signed version as inserted by the macros.
int16_t sId=(int16_t) sensorId;
VPIN vpin=abs(sId);
if (getFlag(vpin,LATCH_FLAG)) return true; // latched on
// negative sensorIds invert the logic (e.g. for a break-beam sensor which goes OFF when detecting)
bool s= IODevice::read(vpin) ^ (sId<0);
if (s && diag) DIAG(F("EXRAIL Sensor %d hit"),sId);
return s;
}
// This skips to the end of an if block, or to the ELSE within it.
bool RMFT2::skipIfBlock() {
// returns false if killed
short nest = 1;
while (nest > 0) {
SKIPOP;
byte opcode = GET_OPCODE;
switch(opcode) {
case OPCODE_ENDEXRAIL:
kill(F("missing ENDIF"), nest);
return false;
case OPCODE_IF:
case OPCODE_IFCLOSED:
case OPCODE_IFGTE:
case OPCODE_IFLT:
case OPCODE_IFNOT:
case OPCODE_IFRANDOM:
case OPCODE_IFRESERVE:
case OPCODE_IFTHROWN:
case OPCODE_IFTIMEOUT:
nest++;
break;
case OPCODE_ENDIF:
nest--;
break;
case OPCODE_ELSE:
// if nest==1 then this is the ELSE for the IF we are skipping
if (nest==1) nest=0; // cause loop exit and return after ELSE
break;
default:
break;
}
}
return true;
}
/* static */ void RMFT2::readLocoCallback(int16_t cv) {
progtrackLocoId=cv;
}
void RMFT2::loop() {
// Round Robin call to a RMFT task each time
if (loopTask==NULL) return;
loopTask=loopTask->next;
if (pausingTask==NULL || pausingTask==loopTask) loopTask->loop2();
}
void RMFT2::loop2() {
if (delayTime!=0 && millis()-delayStart < delayTime) return;
byte opcode = GET_OPCODE;
int16_t operand = GET_OPERAND(0);
// if (diag) DIAG(F("RMFT2 %d %d"),opcode,operand);
// Attention: Returning from this switch leaves the program counter unchanged.
// This is used for unfinished waits for timers or sensors.
// Breaking from this switch will step to the next step in the route.
switch ((OPCODE)opcode) {
case OPCODE_THROW:
Turnout::setClosed(operand, false);
break;
case OPCODE_CLOSE:
Turnout::setClosed(operand, true);
break;
case OPCODE_REV:
forward = false;
driveLoco(operand);
break;
case OPCODE_FWD:
forward = true;
driveLoco(operand);
break;
case OPCODE_SPEED:
driveLoco(operand);
break;
case OPCODE_INVERT_DIRECTION:
invert= !invert;
driveLoco(speedo);
break;
case OPCODE_RESERVE:
if (getFlag(operand,SECTION_FLAG)) {
driveLoco(0);
delayMe(500);
return;
}
setFlag(operand,SECTION_FLAG);
break;
case OPCODE_FREE:
setFlag(operand,0,SECTION_FLAG);
break;
case OPCODE_AT:
timeoutFlag=false;
if (readSensor(operand)) break;
delayMe(50);
return;
case OPCODE_ATTIMEOUT1: // ATTIMEOUT(vpin,timeout) part 1
timeoutStart=millis();
timeoutFlag=false;
break;
case OPCODE_ATTIMEOUT2:
if (readSensor(operand)) break; // success without timeout
if (millis()-timeoutStart > 100*GET_OPERAND(1)) {
timeoutFlag=true;
break; // and drop through
}
delayMe(50);
return;
case OPCODE_IFTIMEOUT: // do next operand if timeout flag set
if (!timeoutFlag) if (!skipIfBlock()) return;
break;
case OPCODE_AFTER: // waits for sensor to hit and then remain off for 0.5 seconds. (must come after an AT operation)
if (readSensor(operand)) {
// reset timer to half a second and keep waiting
waitAfter=millis();
delayMe(50);
return;
}
if (millis()-waitAfter < 500 ) return;
break;
case OPCODE_LATCH:
setFlag(operand,LATCH_FLAG);
break;
case OPCODE_UNLATCH:
setFlag(operand,0,LATCH_FLAG);
break;
case OPCODE_SET:
IODevice::write(operand,true);
break;
case OPCODE_RESET:
IODevice::write(operand,false);
break;
case OPCODE_PAUSE:
DCC::setThrottle(0,1,true); // pause all locos on the track
pausingTask=this;
break;
case OPCODE_POM:
if (loco) DCC::writeCVByteMain(loco, operand, GET_OPERAND(1));
break;
case OPCODE_POWEROFF:
DCCWaveform::mainTrack.setPowerMode(POWERMODE::OFF);
DCCWaveform::progTrack.setPowerMode(POWERMODE::OFF);
DCC::setProgTrackSyncMain(false);
CommandDistributor::broadcastPower();
break;
case OPCODE_RESUME:
pausingTask=NULL;
driveLoco(speedo);
for (RMFT2 * t=next; t!=this;t=t->next) if (t->loco >0) t->driveLoco(t->speedo);
break;
case OPCODE_IF: // do next operand if sensor set
if (!readSensor(operand)) if (!skipIfBlock()) return;
break;
case OPCODE_ELSE: // skip to matching ENDIF
if (!skipIfBlock()) return;
break;
case OPCODE_IFGTE: // do next operand if sensor>= value
if (IODevice::readAnalogue(operand)<(int)(GET_OPERAND(1))) if (!skipIfBlock()) return;
break;
case OPCODE_IFLT: // do next operand if sensor< value
if (IODevice::readAnalogue(operand)>=(int)(GET_OPERAND(1))) if (!skipIfBlock()) return;
break;
case OPCODE_IFNOT: // do next operand if sensor not set
if (readSensor(operand)) if (!skipIfBlock()) return;
break;
case OPCODE_IFRANDOM: // do block on random percentage
if (random(100)>=operand) if (!skipIfBlock()) return;
break;
case OPCODE_IFRESERVE: // do block if we successfully RERSERVE
if (!getFlag(operand,SECTION_FLAG)) setFlag(operand,SECTION_FLAG);
else if (!skipIfBlock()) return;
break;
case OPCODE_IFTHROWN:
if (Turnout::isClosed(operand)) if (!skipIfBlock()) return;
break;
case OPCODE_IFCLOSED:
if (!Turnout::isClosed(operand)) if (!skipIfBlock()) return;
break;
case OPCODE_ENDIF:
break;
case OPCODE_DELAYMS:
delayMe(operand);
break;
case OPCODE_DELAY:
delayMe(operand*100L);
break;
case OPCODE_DELAYMINS:
delayMe(operand*60L*1000L);
break;
case OPCODE_RANDWAIT:
delayMe(random(operand)*100L);
break;
case OPCODE_RED:
doSignal(operand,true,false,false);
break;
case OPCODE_AMBER:
doSignal(operand,false,true,false);
break;
case OPCODE_GREEN:
doSignal(operand,false,false,true);
break;
case OPCODE_FON:
if (loco) DCC::setFn(loco,operand,true);
break;
case OPCODE_FOFF:
if (loco) DCC::setFn(loco,operand,false);
break;
case OPCODE_DRIVE:
{
byte analogSpeed=IODevice::readAnalogue(operand) *127 / 1024;
if (speedo!=analogSpeed) driveLoco(analogSpeed);
break;
}
case OPCODE_XFON:
DCC::setFn(operand,GET_OPERAND(1),true);
break;
case OPCODE_XFOFF:
DCC::setFn(operand,GET_OPERAND(1),false);
break;
case OPCODE_DCCACTIVATE: {
// operand is address<<3 | subaddr<<1 | active
int16_t addr=operand>>3;
int16_t subaddr=(operand>>1) & 0x03;
bool active=operand & 0x01;
DCC::setAccessory(addr,subaddr,active);
break;
}
case OPCODE_FOLLOW:
progCounter=sequenceLookup->find(operand);
if (progCounter<0) kill(F("FOLLOW unknown"), operand);
return;
case OPCODE_CALL:
if (stackDepth==MAX_STACK_DEPTH) {
kill(F("CALL stack"), stackDepth);
return;
}
callStack[stackDepth++]=progCounter+3;
progCounter=sequenceLookup->find(operand);
if (progCounter<0) kill(F("CALL unknown"),operand);
return;
case OPCODE_RETURN:
if (stackDepth==0) {
kill(F("RETURN stack"));
return;
}
progCounter=callStack[--stackDepth];
return;
case OPCODE_ENDTASK:
case OPCODE_ENDEXRAIL:
kill();
return;
case OPCODE_JOIN:
DCCWaveform::mainTrack.setPowerMode(POWERMODE::ON);
DCCWaveform::progTrack.setPowerMode(POWERMODE::ON);
DCC::setProgTrackSyncMain(true);
CommandDistributor::broadcastPower();
break;
case OPCODE_UNJOIN:
DCC::setProgTrackSyncMain(false);
CommandDistributor::broadcastPower();
break;
case OPCODE_READ_LOCO1: // READ_LOCO is implemented as 2 separate opcodes
progtrackLocoId=LOCO_ID_WAITING; // Nothing found yet
DCC::getLocoId(readLocoCallback);
break;
case OPCODE_READ_LOCO2:
if (progtrackLocoId==LOCO_ID_WAITING) {
delayMe(100);
return; // still waiting for callback
}
if (progtrackLocoId<0) {
kill(F("No Loco Found"),progtrackLocoId);
return; // still waiting for callback
}
loco=progtrackLocoId;
speedo=0;
forward=true;
invert=false;
break;
case OPCODE_START:
{
int newPc=sequenceLookup->find(operand);
if (newPc<0) break;
new RMFT2(newPc);
}
break;
case OPCODE_SENDLOCO: // cab, route
{
int newPc=sequenceLookup->find(GET_OPERAND(1));
if (newPc<0) break;
RMFT2* newtask=new RMFT2(newPc); // create new task
newtask->loco=operand;
}
break;
case OPCODE_SETLOCO:
{
loco=operand;
speedo=0;
forward=true;
invert=false;
}
break;
case OPCODE_SERVO: // OPCODE_SERVO,V(vpin),OPCODE_PAD,V(position),OPCODE_PAD,V(profile),OPCODE_PAD,V(duration)
IODevice::writeAnalogue(operand,GET_OPERAND(1),GET_OPERAND(2),GET_OPERAND(3));
break;
case OPCODE_WAITFOR: // OPCODE_SERVO,V(pin)
if (IODevice::isBusy(operand)) {
delayMe(100);
return;
}
break;
case OPCODE_PRINT:
printMessage(operand);
break;
case OPCODE_ROUTE:
case OPCODE_AUTOMATION:
case OPCODE_SEQUENCE:
if (diag) DIAG(F("EXRAIL begin(%d)"),operand);
break;
case OPCODE_AUTOSTART: // Handled only during begin process
case OPCODE_PAD: // Just a padding for previous opcode needing >1 operad byte.
case OPCODE_TURNOUT: // Turnout definition ignored at runtime
case OPCODE_SERVOTURNOUT: // Turnout definition ignored at runtime
case OPCODE_PINTURNOUT: // Turnout definition ignored at runtime
case OPCODE_ONCLOSE: // Turnout event catcers ignored here
case OPCODE_ONTHROW:
case OPCODE_ONACTIVATE: // Activate event catcers ignored here
case OPCODE_ONDEACTIVATE:
break;
default:
kill(F("INVOP"),operand);
}
// Falling out of the switch means move on to the next opcode
SKIPOP;
}
void RMFT2::delayMe(long delay) {
delayTime=delay;
delayStart=millis();
}
void RMFT2::setFlag(VPIN id,byte onMask, byte offMask) {
if (FLAGOVERFLOW(id)) return; // Outside range limit
byte f=flags[id];
f &= ~offMask;
f |= onMask;
flags[id]=f;
}
bool RMFT2::getFlag(VPIN id,byte mask) {
if (FLAGOVERFLOW(id)) return 0; // Outside range limit
return flags[id]&mask;
}
void RMFT2::kill(const FSH * reason, int operand) {
if (reason) DIAG(F("EXRAIL ERROR pc=%d, cab=%d, %S %d"), progCounter,loco, reason, operand);
else if (diag) DIAG(F("ENDTASK at pc=%d"), progCounter);
delete this;
}
/* static */ void RMFT2::doSignal(VPIN id,bool red, bool amber, bool green) {
//if (diag) DIAG(F(" dosignal %d"),id);
for (int sigpos=0;;sigpos+=3) {
VPIN redpin=GETFLASHW(RMFT2::SignalDefinitions+sigpos);
//if (diag) DIAG(F("red=%d"),redpin);
if (redpin==0) {
DIAG(F("EXRAIL Signal %d not defined"), id);
return; // signal not found
}
if (redpin==id) {
VPIN amberpin=GETFLASHW(RMFT2::SignalDefinitions+sigpos+1);
VPIN greenpin=GETFLASHW(RMFT2::SignalDefinitions+sigpos+2);
//if (diag) DIAG(F("signal %d %d %d"),redpin,amberpin,greenpin);
// If amberpin is zero, synthesise amber from red+green
IODevice::write(redpin,red || (amber && (amberpin==0)));
if (amberpin) IODevice::write(amberpin,amber);
if (greenpin) IODevice::write(greenpin,green || (amber && (amberpin==0)));
return;
}
}
}
void RMFT2::turnoutEvent(int16_t turnoutId, bool closed) {
// Hunt for an ONTHROW/ONCLOSE for this turnout
int pc= (closed?onCloseLookup:onThrowLookup)->find(turnoutId);
if (pc<0) return;
// Check we dont already have a task running this turnout
RMFT2 * task=loopTask;
while(task) {
if (task->onTurnoutId==turnoutId) {
DIAG(F("Recursive ONTHROW/ONCLOSE for Turnout %d"),turnoutId);
return;
}
task=task->next;
if (task==loopTask) break;
}
task=new RMFT2(pc); // new task starts at this instruction
task->onTurnoutId=turnoutId; // flag for recursion detector
}
void RMFT2::activateEvent(int16_t addr, bool activate) {
// Hunt for an ONACTIVATE/ONDEACTIVATE for this accessory
int pc= (activate?onActivateLookup:onDeactivateLookup)->find(addr);
if (pc<0) return;
// Check we dont already have a task running this address
RMFT2 * task=loopTask;
while(task) {
if (task->onActivateAddr==addr) {
DIAG(F("Recursive ON(DE)ACTIVATE for %d"),addr);
return;
}
task=task->next;
if (task==loopTask) break;
}
task->onActivateAddr=addr; // flag for recursion detector
task=new RMFT2(pc); // new task starts at this instruction
}
void RMFT2::printMessage2(const FSH * msg) {
DIAG(F("EXRAIL(%d) %S"),loco,msg);
}
// This is called by emitRouteDescriptions to emit a withrottle description for a route or autoomation.
void RMFT2::emitRouteDescription(Print * stream, char type, int id, const FSH * description) {
StringFormatter::send(stream,F("]\\[%c%d}|{%S}|{%c"),
type,id,description, type=='R'?'2':'4');
}
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