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CommandStation-EX/EXRAIL2.h

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/*
* © 2021 Neil McKechnie
* © 2020-2022 Chris Harlow
* © 2022 Colin Murdoch
* © 2023 Harald Barth
* 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/>.
*/
#ifndef EXRAIL2_H
#define EXRAIL2_H
#include "FSH.h"
#include "IODevice.h"
#include "Turnouts.h"
// The following are the operation codes (or instructions) for a kind of virtual machine.
// Each instruction is normally 3 bytes long with an operation code followed by a parameter.
// In cases where more than one parameter is required, the first parameter is followed by one
// or more OPCODE_PAD instructions with the subsequent parameters. This wastes a byte but makes
// searching easier as a parameter can never be confused with an opcode.
//
enum OPCODE : byte {OPCODE_THROW,OPCODE_CLOSE,
OPCODE_FWD,OPCODE_REV,OPCODE_SPEED,OPCODE_INVERT_DIRECTION,
OPCODE_RESERVE,OPCODE_FREE,
OPCODE_AT,OPCODE_AFTER,OPCODE_AUTOSTART,
OPCODE_ATGTE,OPCODE_ATLT,
OPCODE_ATTIMEOUT1,OPCODE_ATTIMEOUT2,
OPCODE_LATCH,OPCODE_UNLATCH,OPCODE_SET,OPCODE_RESET,
OPCODE_ENDIF,OPCODE_ELSE,
OPCODE_DELAY,OPCODE_DELAYMINS,OPCODE_DELAYMS,OPCODE_RANDWAIT,
OPCODE_FON,OPCODE_FOFF,OPCODE_XFON,OPCODE_XFOFF,
OPCODE_RED,OPCODE_GREEN,OPCODE_AMBER,OPCODE_DRIVE,
OPCODE_SERVO,OPCODE_SIGNAL,OPCODE_TURNOUT,OPCODE_WAITFOR,
OPCODE_PAD,OPCODE_FOLLOW,OPCODE_CALL,OPCODE_RETURN,
#ifndef DISABLE_PROG
OPCODE_JOIN,OPCODE_UNJOIN,OPCODE_READ_LOCO1,OPCODE_READ_LOCO2,
#endif
OPCODE_POM,
OPCODE_START,OPCODE_SETLOCO,OPCODE_SENDLOCO,OPCODE_FORGET,
OPCODE_PAUSE, OPCODE_RESUME,OPCODE_POWEROFF,OPCODE_POWERON,
OPCODE_ONCLOSE, OPCODE_ONTHROW, OPCODE_SERVOTURNOUT, OPCODE_PINTURNOUT,
OPCODE_PRINT,OPCODE_DCCACTIVATE,
OPCODE_ONACTIVATE,OPCODE_ONDEACTIVATE,
OPCODE_ROSTER,OPCODE_KILLALL,
OPCODE_ROUTE,OPCODE_AUTOMATION,OPCODE_SEQUENCE,
OPCODE_ENDTASK,OPCODE_ENDEXRAIL,
OPCODE_SET_TRACK,
OPCODE_ONRED,OPCODE_ONAMBER,OPCODE_ONGREEN,
OPCODE_ONCHANGE,
OPCODE_ONCLOCKTIME,
OPCODE_ONTIME,
// OPcodes below this point are skip-nesting IF operations
// placed here so that they may be skipped as a group
// see skipIfBlock()
IF_TYPE_OPCODES, // do not move this...
OPCODE_IFRED,OPCODE_IFAMBER,OPCODE_IFGREEN,
OPCODE_IFGTE,OPCODE_IFLT,
OPCODE_IFTIMEOUT,
OPCODE_IF,OPCODE_IFNOT,
OPCODE_IFRANDOM,OPCODE_IFRESERVE,
OPCODE_IFCLOSED,OPCODE_IFTHROWN,
OPCODE_IFRE,
OPCODE_IFLOCO
};
// Ensure thrunge_lcd is put last as there may be more than one display,
// sequentially numbered from thrunge_lcd.
enum thrunger: byte {
thrunge_print, thrunge_broadcast, thrunge_withrottle,
thrunge_serial,thrunge_parse,
thrunge_serial1, thrunge_serial2, thrunge_serial3,
thrunge_serial4, thrunge_serial5, thrunge_serial6,
thrunge_lcn,
thrunge_lcd, // Must be last!!
};
// Flag bits for status of hardware and TPL
static const byte SECTION_FLAG = 0x80;
static const byte LATCH_FLAG = 0x40;
static const byte TASK_FLAG = 0x20;
static const byte SPARE_FLAG = 0x10;
static const byte SIGNAL_MASK = 0x0C;
static const byte SIGNAL_RED = 0x08;
static const byte SIGNAL_AMBER = 0x0C;
static const byte SIGNAL_GREEN = 0x04;
static const byte MAX_STACK_DEPTH=4;
static const short MAX_FLAGS=256;
#define FLAGOVERFLOW(x) x>=MAX_FLAGS
class LookList {
public:
LookList(int16_t size);
void add(int16_t lookup, int16_t result);
int16_t find(int16_t value);
private:
int16_t m_size;
int16_t m_loaded;
int16_t * m_lookupArray;
int16_t * m_resultArray;
};
class RMFT2 {
public:
static void begin();
static void loop();
RMFT2(int progCounter);
RMFT2(int route, uint16_t cab);
~RMFT2();
static void readLocoCallback(int16_t cv);
static void createNewTask(int route, uint16_t cab);
static void turnoutEvent(int16_t id, bool closed);
static void activateEvent(int16_t addr, bool active);
static void changeEvent(int16_t id, bool change);
static void clockEvent(int16_t clocktime, bool change);
static const int16_t SERVO_SIGNAL_FLAG=0x4000;
static const int16_t ACTIVE_HIGH_SIGNAL_FLAG=0x2000;
static const int16_t DCC_SIGNAL_FLAG=0x1000;
static const int16_t SIGNAL_ID_MASK=0x0FFF;
// Throttle Info Access functions built by exrail macros
static const byte rosterNameCount;
static const int16_t HIGHFLASH routeIdList[];
static const int16_t HIGHFLASH automationIdList[];
static const int16_t HIGHFLASH rosterIdList[];
static const FSH * getRouteDescription(int16_t id);
static char getRouteType(int16_t id);
static const FSH * getTurnoutDescription(int16_t id);
static const FSH * getRosterName(int16_t id);
static const FSH * getRosterFunctions(int16_t id);
private:
static void ComandFilter(Print * stream, byte & opcode, byte & paramCount, int16_t p[]);
static bool parseSlash(Print * stream, byte & paramCount, int16_t p[]) ;
static void streamFlags(Print* stream);
static bool setFlag(VPIN id,byte onMask, byte OffMask=0);
static bool getFlag(VPIN id,byte mask);
static int16_t progtrackLocoId;
static void doSignal(int16_t id,char rag);
static bool isSignal(int16_t id,char rag);
static int16_t getSignalSlot(int16_t id);
static void setTurnoutHiddenState(Turnout * t);
static LookList* LookListLoader(OPCODE op1,
OPCODE op2=OPCODE_ENDEXRAIL,OPCODE op3=OPCODE_ENDEXRAIL);
static void handleEvent(const FSH* reason,LookList* handlers, int16_t id);
static uint16_t getOperand(int progCounter,byte n);
static RMFT2 * loopTask;
static RMFT2 * pausingTask;
void delayMe(long millisecs);
void driveLoco(byte speedo);
bool readSensor(uint16_t sensorId);
bool skipIfBlock();
bool readLoco();
void loop2();
void kill(const FSH * reason=NULL,int operand=0);
void printMessage(uint16_t id); // Built by RMFTMacros.h
void printMessage2(const FSH * msg);
void thrungeString(uint32_t strfar, thrunger mode, byte id=0);
uint16_t getOperand(byte n);
static bool diag;
static const HIGHFLASH byte RouteCode[];
static const HIGHFLASH int16_t SignalDefinitions[];
static byte flags[MAX_FLAGS];
static LookList * sequenceLookup;
static LookList * onThrowLookup;
static LookList * onCloseLookup;
static LookList * onActivateLookup;
static LookList * onDeactivateLookup;
static LookList * onRedLookup;
static LookList * onAmberLookup;
static LookList * onGreenLookup;
static LookList * onChangeLookup;
static LookList * onClockLookup;
// Local variables - exist for each instance/task
RMFT2 *next; // loop chain
int progCounter; // Byte offset of next route opcode in ROUTES table
unsigned long delayStart; // Used by opcodes that must be recalled before completing
unsigned long delayTime;
union {
unsigned long waitAfter; // Used by OPCODE_AFTER
unsigned long timeoutStart; // Used by OPCODE_ATTIMEOUT
};
bool timeoutFlag;
byte taskId;
uint16_t loco;
bool forward;
bool invert;
byte speedo;
int onEventStartPosition;
byte stackDepth;
int callStack[MAX_STACK_DEPTH];
};
#endif
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