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CommandStation-EX/EXRAIL2.cpp
Harald Barth c22d789513 INT16_MAX was missing at more places
2023-05-23 18:59:03 +02:00

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/*
* © 2021 Neil McKechnie
* © 2021-2023 Harald Barth
* © 2020-2023 Chris Harlow
* © 2022 Colin Murdoch
* 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. [DONE] Oled announcements (depends on HAL)
F5. [DONE] 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 "defines.h"
#include "EXRAIL2.h"
#include "DCC.h"
#include "DCCWaveform.h"
#include "DIAG.h"
#include "WiThrottle.h"
#include "DCCEXParser.h"
#include "Turnouts.h"
#include "CommandDistributor.h"
#include "TrackManager.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_ALL=3457;
const int16_t HASH_KEYWORD_ROUTES=-3702;
const int16_t HASH_KEYWORD_RED=26099;
const int16_t HASH_KEYWORD_AMBER=18713;
const int16_t HASH_KEYWORD_GREEN=-31493;
// 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 threads 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 prog track
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;
LookList * RMFT2::onRedLookup=NULL;
LookList * RMFT2::onAmberLookup=NULL;
LookList * RMFT2::onGreenLookup=NULL;
LookList * RMFT2::onChangeLookup=NULL;
LookList * RMFT2::onClockLookup=NULL;
#define GET_OPCODE GETHIGHFLASH(RMFT2::RouteCode,progCounter)
#define SKIPOP progCounter+=3
// getOperand instance version, uses progCounter from instance.
uint16_t RMFT2::getOperand(byte n) {
return getOperand(progCounter,n);
}
// getOperand static version, must be provided prog counter from loop etc.
uint16_t RMFT2::getOperand(int progCounter,byte n) {
int offset=progCounter+1+(n*3);
byte lsb=GETHIGHFLASH(RouteCode,offset);
byte msb=GETHIGHFLASH(RouteCode,offset+1);
return msb<<8|lsb;
}
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;
}
LookList* RMFT2::LookListLoader(OPCODE op1, OPCODE op2, OPCODE op3) {
int progCounter;
int16_t count=0;
// find size for list
for (progCounter=0;; SKIPOP) {
byte opcode=GET_OPCODE;
if (opcode==OPCODE_ENDEXRAIL) break;
if (opcode==op1 || opcode==op2 || opcode==op3) count++;
}
// create list
LookList* list=new LookList(count);
if (count==0) return list;
for (progCounter=0;; SKIPOP) {
byte opcode=GET_OPCODE;
if (opcode==OPCODE_ENDEXRAIL) break;
if (opcode==op1 || opcode==op2 || opcode==op3) list->add(getOperand(progCounter,0),progCounter);
}
return list;
}
/* static */ void RMFT2::begin() {
DIAG(F("EXRAIL RoutCode at =%P"),RouteCode);
bool saved_diag=diag;
diag=true;
DCCEXParser::setRMFTFilter(RMFT2::ComandFilter);
for (int f=0;f<MAX_FLAGS;f++) flags[f]=0;
// create lookups
sequenceLookup=LookListLoader(OPCODE_ROUTE, OPCODE_AUTOMATION,OPCODE_SEQUENCE);
onThrowLookup=LookListLoader(OPCODE_ONTHROW);
onCloseLookup=LookListLoader(OPCODE_ONCLOSE);
onActivateLookup=LookListLoader(OPCODE_ONACTIVATE);
onDeactivateLookup=LookListLoader(OPCODE_ONDEACTIVATE);
onRedLookup=LookListLoader(OPCODE_ONRED);
onAmberLookup=LookListLoader(OPCODE_ONAMBER);
onGreenLookup=LookListLoader(OPCODE_ONGREEN);
onChangeLookup=LookListLoader(OPCODE_ONCHANGE);
onClockLookup=LookListLoader(OPCODE_ONTIME);
// Second pass startup, define any turnouts or servos, set signals red
// add sequences onRoutines to the lookups
for (int sigslot=0;;sigslot++) {
VPIN sigid=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigslot*8);
if (sigid==0) break; // end of signal list
doSignal(sigid & SIGNAL_ID_MASK, SIGNAL_RED);
}
int progCounter;
for (progCounter=0;; SKIPOP){
byte opcode=GET_OPCODE;
if (opcode==OPCODE_ENDEXRAIL) break;
VPIN operand=getOperand(progCounter,0);
switch (opcode) {
case OPCODE_AT:
case OPCODE_ATTIMEOUT2:
case OPCODE_AFTER:
case OPCODE_IF:
case OPCODE_IFNOT: {
int16_t pin = (int16_t)operand;
if (pin<0) pin = -pin;
DIAG(F("EXRAIL input VPIN %u"),pin);
IODevice::configureInput((VPIN)pin,true);
break;
}
case OPCODE_ATGTE:
case OPCODE_ATLT:
case OPCODE_IFGTE:
case OPCODE_IFLT:
case OPCODE_DRIVE: {
DIAG(F("EXRAIL analog input VPIN %u"),(VPIN)operand);
IODevice::configureAnalogIn((VPIN)operand);
break;
}
case OPCODE_TURNOUT: {
VPIN id=operand;
int addr=getOperand(progCounter,1);
byte subAddr=getOperand(progCounter,2);
setTurnoutHiddenState(DCCTurnout::create(id,addr,subAddr));
break;
}
case OPCODE_SERVOTURNOUT: {
VPIN id=operand;
VPIN pin=getOperand(progCounter,1);
int activeAngle=getOperand(progCounter,2);
int inactiveAngle=getOperand(progCounter,3);
int profile=getOperand(progCounter,4);
setTurnoutHiddenState(ServoTurnout::create(id,pin,activeAngle,inactiveAngle,profile));
break;
}
case OPCODE_PINTURNOUT: {
VPIN id=operand;
VPIN pin=getOperand(progCounter,1);
setTurnoutHiddenState(VpinTurnout::create(id,pin));
break;
}
case OPCODE_AUTOSTART:
// automatically create a task from here at startup.
// Removed if (progCounter>0) check 4.2.31 because
// default start it top of file is now removed. .
new RMFT2(progCounter);
break;
default: // Ignore
break;
}
}
SKIPOP; // include ENDROUTES opcode
DIAG(F("EXRAIL %db, fl=%d"),progCounter,MAX_FLAGS);
// Removed for 4.2.31 new RMFT2(0); // add the startup route
diag=saved_diag;
}
void RMFT2::setTurnoutHiddenState(Turnout * t) {
// turnout descriptions are in low flash F strings
t->setHidden(GETFLASH(getTurnoutDescription(t->getId()))==0x01);
}
char RMFT2::getRouteType(int16_t id) {
for (int16_t i=0;;i+=2) {
int16_t rid= GETHIGHFLASHW(routeIdList,i);
if (rid==INT16_MAX) break;
if (rid==id) return 'R';
}
for (int16_t i=0;;i+=2) {
int16_t rid= GETHIGHFLASHW(automationIdList,i);
if (rid==INT16_MAX) break;
if (rid==id) return 'A';
}
return 'X';
}
// 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 & ~SIGNAL_MASK) { // 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"));
}
}
// do the signals
// flags[n] represents the state of the nth signal in the table
for (int sigslot=0;;sigslot++) {
VPIN sigid=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigslot*8);
if (sigid==0) break; // end of signal list
byte flag=flags[sigslot] & SIGNAL_MASK; // obtain signal flags for this id
StringFormatter::send(stream,F("\n%S[%d]"),
(flag == SIGNAL_RED)? F("RED") : (flag==SIGNAL_GREEN) ? F("GREEN") : F("AMBER"),
sigid & SIGNAL_ID_MASK);
}
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;
default:
break;
}
// check KILL ALL here, otherwise the next validation confuses ALL with a flag
if (p[0]==HASH_KEYWORD_KILL && p[1]==HASH_KEYWORD_ALL) {
while (loopTask) loopTask->kill(F("KILL ALL")); // destructor changes loopTask
return true;
}
// all other / commands take 1 parameter
if (paramCount!=2 ) return false;
switch (p[0]) {
case HASH_KEYWORD_KILL: // Kill taskid|ALL
{
if ( p[1]<0 || p[1]>=MAX_FLAGS) return false;
RMFT2 * task=loopTask;
while(task) {
if (task->taskId==p[1]) {
task->kill(F("KILL"));
return true;
}
task=task->next;
if (task==loopTask) break;
}
}
return false;
case HASH_KEYWORD_RESERVE: // force reserve a section
return setFlag(p[1],SECTION_FLAG);
case HASH_KEYWORD_FREE: // force free a section
return setFlag(p[1],0,SECTION_FLAG);
case HASH_KEYWORD_LATCH:
return setFlag(p[1], LATCH_FLAG);
case HASH_KEYWORD_UNLATCH:
return setFlag(p[1], 0, LATCH_FLAG);
case HASH_KEYWORD_RED:
doSignal(p[1],SIGNAL_RED);
return true;
case HASH_KEYWORD_AMBER:
doSignal(p[1],SIGNAL_AMBER);
return true;
case HASH_KEYWORD_GREEN:
doSignal(p[1],SIGNAL_GREEN);
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.
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;
onEventStartPosition=-1; // Not handling an ONxxx
// 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);
/* TODO.....
power on appropriate track if DC or main if dcc
if (TrackManager::getMainPowerMode()==POWERMODE::OFF) {
TrackManager::setMainPower(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;
// all other IF type commands increase the nesting level
if (opcode>IF_TYPE_OPCODES) nest++;
else switch(opcode) {
case OPCODE_ENDEXRAIL:
kill(F("missing ENDIF"), nest);
return false;
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) {
if (cv & LONG_ADDR_MARKER) { // maker bit indicates long addr
progtrackLocoId = cv ^ LONG_ADDR_MARKER; // remove marker bit to get real long addr
if (progtrackLocoId <= HIGHEST_SHORT_ADDR ) { // out of range for long addr
DIAG(F("Long addr %d <= %d unsupported\n"), progtrackLocoId, HIGHEST_SHORT_ADDR);
progtrackLocoId = -1;
}
} else {
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 = getOperand(0);
// skipIf will get set to indicate a failing IF condition
bool skipIf=false;
// 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:
forward=DCC::getThrottleDirection(loco)^invert;
driveLoco(operand);
break;
case OPCODE_FORGET:
if (loco!=0) {
DCC::forgetLoco(loco);
loco=0;
}
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_ATGTE: // wait for analog sensor>= value
timeoutFlag=false;
if (IODevice::readAnalogue(operand) >= (int)(getOperand(1))) break;
delayMe(50);
return;
case OPCODE_ATLT: // wait for analog sensor < value
timeoutFlag=false;
if (IODevice::readAnalogue(operand) < (int)(getOperand(1))) 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*getOperand(1)) {
timeoutFlag=true;
break; // and drop through
}
delayMe(50);
return;
case OPCODE_IFTIMEOUT: // do next operand if timeout flag set
skipIf=!timeoutFlag;
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, getOperand(1));
break;
case OPCODE_POWEROFF:
TrackManager::setPower(POWERMODE::OFF);
TrackManager::setJoin(false);
CommandDistributor::broadcastPower();
break;
case OPCODE_SET_TRACK:
// operand is trackmode<<8 | track id
// If DC/DCX use my loco for DC address
{
TRACK_MODE mode = (TRACK_MODE)(operand>>8);
int16_t cab=(mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX) ? loco : 0;
TrackManager::setTrackMode(operand & 0x0F, mode, cab);
}
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
skipIf=!readSensor(operand);
break;
case OPCODE_ELSE: // skip to matching ENDIF
skipIf=true;
break;
case OPCODE_IFGTE: // do next operand if sensor>= value
skipIf=IODevice::readAnalogue(operand)<(int)(getOperand(1));
break;
case OPCODE_IFLT: // do next operand if sensor< value
skipIf=IODevice::readAnalogue(operand)>=(int)(getOperand(1));
break;
case OPCODE_IFLOCO: // do if the loco is the active one
skipIf=loco!=(uint16_t)operand; // bad luck if someone enters negative loco numbers into EXRAIL
break;
case OPCODE_IFNOT: // do next operand if sensor not set
skipIf=readSensor(operand);
break;
case OPCODE_IFRE: // do next operand if rotary encoder != position
skipIf=IODevice::readAnalogue(operand)!=(int)(getOperand(1));
break;
case OPCODE_IFRANDOM: // do block on random percentage
skipIf=(uint8_t)micros() >= operand * 255/100;
break;
case OPCODE_IFRESERVE: // do block if we successfully RERSERVE
if (!getFlag(operand,SECTION_FLAG)) setFlag(operand,SECTION_FLAG);
else skipIf=true;
break;
case OPCODE_IFRED: // do block if signal as expected
skipIf=!isSignal(operand,SIGNAL_RED);
break;
case OPCODE_IFAMBER: // do block if signal as expected
skipIf=!isSignal(operand,SIGNAL_AMBER);
break;
case OPCODE_IFGREEN: // do block if signal as expected
skipIf=!isSignal(operand,SIGNAL_GREEN);
break;
case OPCODE_IFTHROWN:
skipIf=Turnout::isClosed(operand);
break;
case OPCODE_IFCLOSED:
skipIf=Turnout::isThrown(operand);
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(operand==0 ? 0 : (micros()%operand) *100L);
break;
case OPCODE_RED:
doSignal(operand,SIGNAL_RED);
break;
case OPCODE_AMBER:
doSignal(operand,SIGNAL_AMBER);
break;
case OPCODE_GREEN:
doSignal(operand,SIGNAL_GREEN);
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,getOperand(1),true);
break;
case OPCODE_XFOFF:
DCC::setFn(operand,getOperand(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_KILLALL:
while(loopTask) loopTask->kill(F("KILLALL"));
return;
#ifndef DISABLE_PROG
case OPCODE_JOIN:
TrackManager::setPower(POWERMODE::ON);
TrackManager::setJoin(true);
CommandDistributor::broadcastPower();
break;
case OPCODE_UNJOIN:
TrackManager::setJoin(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;
#endif
case OPCODE_POWERON:
TrackManager::setMainPower(POWERMODE::ON);
TrackManager::setJoin(false);
CommandDistributor::broadcastPower();
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(getOperand(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,getOperand(1),getOperand(2),getOperand(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 operand 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 catchers ignored here
case OPCODE_ONTHROW:
case OPCODE_ONACTIVATE: // Activate event catchers ignored here
case OPCODE_ONDEACTIVATE:
case OPCODE_ONRED:
case OPCODE_ONAMBER:
case OPCODE_ONGREEN:
case OPCODE_ONCHANGE:
case OPCODE_ONTIME:
break;
default:
kill(F("INVOP"),operand);
}
// Falling out of the switch means move on to the next opcode
// but if we are skipping a false IF or else
if (skipIf) if (!skipIfBlock()) return;
SKIPOP;
}
void RMFT2::delayMe(long delay) {
delayTime=delay;
delayStart=millis();
}
bool RMFT2::setFlag(VPIN id,byte onMask, byte offMask) {
if (FLAGOVERFLOW(id)) return false; // Outside range limit
byte f=flags[id];
f &= ~offMask;
f |= onMask;
flags[id]=f;
return true;
}
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;
}
int16_t RMFT2::getSignalSlot(int16_t id) {
for (int sigslot=0;;sigslot++) {
int16_t sigid=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigslot*8);
if (sigid==0) { // end of signal list
DIAG(F("EXRAIL Signal %d not defined"), id);
return -1;
}
// sigid is the signal id used in RED/AMBER/GREEN macro
// for a LED signal it will be same as redpin
// but for a servo signal it will also have SERVO_SIGNAL_FLAG set.
if ((sigid & SIGNAL_ID_MASK)!= id) continue; // keep looking
return sigslot; // relative slot in signals table
}
}
/* static */ void RMFT2::doSignal(int16_t id,char rag) {
if (diag) DIAG(F(" doSignal %d %x"),id,rag);
// Schedule any event handler for this signal change.
// Thjis will work even without a signal definition.
if (rag==SIGNAL_RED) handleEvent(F("RED"),onRedLookup,id);
else if (rag==SIGNAL_GREEN) handleEvent(F("GREEN"), onGreenLookup,id);
else handleEvent(F("AMBER"), onAmberLookup,id);
int16_t sigslot=getSignalSlot(id);
if (sigslot<0) return;
// keep track of signal state
setFlag(sigslot,rag,SIGNAL_MASK);
// Correct signal definition found, get the rag values
int16_t sigpos=sigslot*8;
VPIN sigid=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigpos);
VPIN redpin=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigpos+2);
VPIN amberpin=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigpos+4);
VPIN greenpin=GETHIGHFLASHW(RMFT2::SignalDefinitions,sigpos+6);
if (diag) DIAG(F("signal %d %d %d %d %d"),sigid,id,redpin,amberpin,greenpin);
VPIN sigtype=sigid & ~SIGNAL_ID_MASK;
if (sigtype == SERVO_SIGNAL_FLAG) {
// A servo signal, the pin numbers are actually servo positions
// Note, setting a signal to a zero position has no effect.
int16_t servopos= rag==SIGNAL_RED? redpin: (rag==SIGNAL_GREEN? greenpin : amberpin);
if (diag) DIAG(F("sigA %d %d"),id,servopos);
if (servopos!=0) IODevice::writeAnalogue(id,servopos,PCA9685::Bounce);
return;
}
if (sigtype== DCC_SIGNAL_FLAG) {
// redpin,amberpin are the DCC addr,subaddr
DCC::setAccessory(redpin,amberpin, rag!=SIGNAL_RED);
return;
}
// LED or similar 3 pin signal, (all pins zero would be a virtual signal)
// If amberpin is zero, synthesise amber from red+green
const byte SIMAMBER=0x00;
if (rag==SIGNAL_AMBER && (amberpin==0)) rag=SIMAMBER; // special case this func only
// Manage invert (HIGH on) pins
bool aHigh=sigid & ACTIVE_HIGH_SIGNAL_FLAG;
// set the three pins
if (redpin) {
bool redval=(rag==SIGNAL_RED || rag==SIMAMBER);
if (!aHigh) redval=!redval;
IODevice::write(redpin,redval);
}
if (amberpin) {
bool amberval=(rag==SIGNAL_AMBER);
if (!aHigh) amberval=!amberval;
IODevice::write(amberpin,amberval);
}
if (greenpin) {
bool greenval=(rag==SIGNAL_GREEN || rag==SIMAMBER);
if (!aHigh) greenval=!greenval;
IODevice::write(greenpin,greenval);
}
}
/* static */ bool RMFT2::isSignal(int16_t id,char rag) {
int16_t sigslot=getSignalSlot(id);
if (sigslot<0) return false;
return (flags[sigslot] & SIGNAL_MASK) == rag;
}
void RMFT2::turnoutEvent(int16_t turnoutId, bool closed) {
// Hunt for an ONTHROW/ONCLOSE for this turnout
if (closed) handleEvent(F("CLOSE"),onCloseLookup,turnoutId);
else handleEvent(F("THROW"),onThrowLookup,turnoutId);
}
void RMFT2::activateEvent(int16_t addr, bool activate) {
// Hunt for an ONACTIVATE/ONDEACTIVATE for this accessory
if (activate) handleEvent(F("ACTIVATE"),onActivateLookup,addr);
else handleEvent(F("DEACTIVATE"),onDeactivateLookup,addr);
}
void RMFT2::changeEvent(int16_t vpin, bool change) {
// Hunt for an ONCHANGE for this sensor
if (change) handleEvent(F("CHANGE"),onChangeLookup,vpin);
}
void RMFT2::clockEvent(int16_t clocktime, bool change) {
// Hunt for an ONTIME for this time
if (Diag::CMD)
DIAG(F("Looking for clock event at : %d"), clocktime);
if (change) {
handleEvent(F("CLOCK"),onClockLookup,clocktime);
handleEvent(F("CLOCK"),onClockLookup,25*60+clocktime%60);
}
}
void RMFT2::handleEvent(const FSH* reason,LookList* handlers, int16_t id) {
int pc= handlers->find(id);
if (pc<0) return;
// Check we dont already have a task running this handler
RMFT2 * task=loopTask;
while(task) {
if (task->onEventStartPosition==pc) {
DIAG(F("Recursive ON%S(%d)"),reason, id);
return;
}
task=task->next;
if (task==loopTask) break;
}
task=new RMFT2(pc); // new task starts at this instruction
task->onEventStartPosition=pc; // flag for recursion detector
}
void RMFT2::printMessage2(const FSH * msg) {
DIAG(F("EXRAIL(%d) %S"),loco,msg);
}
static StringBuffer * buffer=NULL;
/* thrungeString is used to stream a HIGHFLASH string to a suitable Serial
and handle the oddities like LCD, BROADCAST and PARSE */
void RMFT2::thrungeString(uint32_t strfar, thrunger mode, byte id) {
//DIAG(F("thrunge addr=%l mode=%d id=%d"), strfar,mode,id);
Print * stream=NULL;
// Find out where the string is going
switch (mode) {
case thrunge_print:
StringFormatter::send(&USB_SERIAL,F("<* EXRAIL(%d) "),loco);
stream=&USB_SERIAL;
break;
case thrunge_serial: stream=&USB_SERIAL; break;
case thrunge_serial1:
#ifdef SERIAL1_COMMANDS
stream=&Serial1;
#endif
break;
case thrunge_serial2:
#ifdef SERIAL2_COMMANDS
stream=&Serial2;
#endif
break;
case thrunge_serial3:
#ifdef SERIAL3_COMMANDS
stream=&Serial3;
#endif
break;
case thrunge_serial4:
#ifdef SERIAL4_COMMANDS
stream=&Serial4;
#endif
break;
case thrunge_serial5:
#ifdef SERIAL5_COMMANDS
stream=&Serial5;
#endif
break;
case thrunge_serial6:
#ifdef SERIAL6_COMMANDS
stream=&Serial6;
#endif
break;
case thrunge_lcn:
#if defined(LCN_SERIAL)
stream=&LCN_SERIAL;
#endif
break;
case thrunge_parse:
case thrunge_broadcast:
case thrunge_lcd:
default: // thrunge_lcd+1, ...
if (!buffer) buffer=new StringBuffer();
buffer->flush();
stream=buffer;
break;
}
if (!stream) return;
#if defined(ARDUINO_AVR_MEGA) || defined(ARDUINO_AVR_MEGA2560)
// if mega stream it out
for (;;strfar++) {
char c=pgm_read_byte_far(strfar);
if (c=='\0') break;
stream->write(c);
}
#else
// UNO/NANO CPUs dont have high memory
// 32 bit cpus dont care anyway
stream->print((FSH *)strfar);
#endif
// and decide what to do next
switch (mode) {
case thrunge_print:
StringFormatter::send(&USB_SERIAL,F(" *>\n"));
break;
// TODO more serials for SAMx case thrunge_serial4: stream=&Serial4; break;
case thrunge_parse:
DCCEXParser::parseOne(&USB_SERIAL,(byte*)buffer->getString(),NULL);
break;
case thrunge_broadcast:
CommandDistributor::broadcastRaw(CommandDistributor::COMMAND_TYPE,buffer->getString());
break;
case thrunge_withrottle:
CommandDistributor::broadcastRaw(CommandDistributor::WITHROTTLE_TYPE,buffer->getString());
break;
case thrunge_lcd:
LCD(id,F("%s"),buffer->getString());
break;
default: // thrunge_lcd+1, ...
if (mode > thrunge_lcd)
SCREEN(mode-thrunge_lcd, id, F("%s"),buffer->getString()); // print to other display
break;
}
}
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