mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-23 08:06:13 +01:00
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/*
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* © 2020, Chris Harlow. All rights reserved.
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*
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* This file is part of Asbelos DCC API
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef DCCEXParser_h
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#define DCCEXParser_h
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#include <Arduino.h>
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typedef void (*FILTER_CALLBACK)(Print & stream, byte & opcode, byte & paramCount, int p[]);
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struct DCCEXParser
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{
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DCCEXParser();
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void loop(Stream & pstream);
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void parse(Print & stream, const byte * command, bool banAsync);
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void flush();
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static void setFilter(FILTER_CALLBACK filter);
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static const int MAX_PARAMS=10; // Must not exceed this
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private:
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static const int MAX_BUFFER=50; // longest command sent in
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byte bufferLength=0;
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bool inCommandPayload=false;
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bool asyncBanned; // true when called with stream that must complete before returning
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byte buffer[MAX_BUFFER+2];
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int splitValues( int result[MAX_PARAMS], const byte * command);
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bool parseT(Print & stream, int params, int p[]);
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bool parseZ(Print & stream, int params, int p[]);
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bool parseS(Print & stream, int params, int p[]);
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bool parsef(Print & stream, int params, int p[]);
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static bool stashBusy;
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static Print & stashStream;
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static int stashP[MAX_PARAMS];
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bool stashCallback(Print & stream, int p[MAX_PARAMS]);
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static void callback_W(int result);
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static void callback_B(int result);
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static void callback_R(int result);
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static FILTER_CALLBACK filterCallback;
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static void funcmap(int cab, byte value, byte fstart, byte fstop);
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};
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#define BOARD_NAME F("not yet configured")
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#endif
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