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CommandStation-EX/RMFT2.h
Neil McKechnie 0f55835b8b Add RMFT WAITFOR() and SERVO2() commands.
WAITFOR(pin) waits until the corresponding pin is not busy (e.g. has finished moving the servo).  SERVO2(pin, value, ms) moves to the nominated position in a time given in milliseconds by ms.
2021-08-28 17:39:48 +01:00

117 lines
4.5 KiB
C++

/*
* © 2020, 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/>.
*/
#ifndef RMFT2_H
#define RMFT2_H
#include "FSH.h"
#include "IODevice.h"
// The following are the operation codes (or instructions) for a kind of virtual machine.
// Each instruction is normally 2 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_LATCH,OPCODE_UNLATCH,OPCODE_SET,OPCODE_RESET,
OPCODE_IF,OPCODE_IFNOT,OPCODE_ENDIF,OPCODE_IFRANDOM,OPCODE_IFRESERVE,
OPCODE_DELAY,OPCODE_DELAYMINS,OPCODE_RANDWAIT,
OPCODE_FON,OPCODE_FOFF,
OPCODE_RED,OPCODE_GREEN,OPCODE_AMBER,
OPCODE_SERVO,OPCODE_SIGNAL,OPCODE_TURNOUT,OPCODE_WAITFOR,
OPCODE_PAD,OPCODE_FOLLOW,OPCODE_CALL,OPCODE_RETURN,
OPCODE_JOIN,OPCODE_UNJOIN,OPCODE_READ_LOCO1,OPCODE_READ_LOCO2,OPCODE_POM,
OPCODE_START,OPCODE_SETLOCO,OPCODE_SENDLOCO,
OPCODE_PAUSE, OPCODE_RESUME,
OPCODE_ONCLOSE, OPCODE_ONTHROW, OPCODE_SERVOTURNOUT, OPCODE_PINTURNOUT,
OPCODE_PRINT,
OPCODE_ROUTE,OPCODE_AUTOMATION,OPCODE_SEQUENCE,OPCODE_ENDTASK,OPCODE_ENDEXRAIL
};
// Flag bits for status of hardware and TPL
static const byte SECTION_FLAG = 0x01;
static const byte LATCH_FLAG = 0x02;
static const byte TASK_FLAG = 0x04;
static const byte MAX_STACK_DEPTH=4;
static const short MAX_FLAGS=256;
#define FLAGOVERFLOW(x) x>=MAX_FLAGS
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 emitWithrottleRouteList(Print* stream);
static void createNewTask(int route, uint16_t cab);
static void turnoutEvent(VPIN id, bool closed);
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 void setFlag(VPIN id,byte onMask, byte OffMask=0);
static bool getFlag(VPIN id,byte mask);
static int locateRouteStart(int16_t _route);
static int16_t progtrackLocoId;
static void doSignal(VPIN id,bool red, bool amber, bool green);
static void emitRouteDescription(Print * stream, char type, int id, const FSH * description);
static void emitWithrottleDescriptions(Print * stream);
static RMFT2 * loopTask;
static RMFT2 * pausingTask;
void delayMe(long millisecs);
void driveLoco(byte speedo);
bool readSensor(int16_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);
static bool diag;
static const FLASH byte RouteCode[];
static byte flags[MAX_FLAGS];
// 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 waitAfter; // Used by OPCODE_AFTER
unsigned long delayTime;
byte taskId;
int loco;
bool forward;
bool invert;
int speedo;
byte stackDepth;
int callStack[MAX_STACK_DEPTH];
};
#endif