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CommandStation-EX/Railcom.h
2024-10-21 19:37:39 +01:00

46 lines
1.3 KiB
C++

/*
* © 2024 Chris Harlow
* All rights reserved.
*
* This file is part of DCC-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 Railcom_h
#define Railcom_h
#include "Arduino.h"
class Railcom {
public:
Railcom(uint16_t vpin);
/* returns -1: Call again next packet
0: No loco on track
>0: loco id
*/
void process(uint8_t * inbound,uint8_t length);
private:
void blockEvent(bool entering);
void noData();
uint16_t locoOnTrack;
uint16_t vpin;
uint8_t holdoverHigh,holdoverLow;
bool haveHigh,haveLow;
uint8_t packetsWithNoData;
static const byte MAX_WAIT_FOR_GLITCH=20; // number of dead or empty packets before assuming loco=0
};
#endif