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arduino-libs/arduino-cli/libraries/IRremote/examples/IRDispatcherDemo/IRCommandDispatcher.h
2024-07-20 22:09:06 +08:00

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C++

/*
* IRCommandDispatcher.h
*
* Library to process IR commands by calling functions specified in a mapping array.
*
* To run this example you need to install the "IRremote" or "IRMP" library under "Tools -> Manage Libraries..." or "Ctrl+Shift+I"
*
* Copyright (C) 2019-2021 Armin Joachimsmeyer
* armin.joachimsmeyer@gmail.com
*
* This file is part of ServoEasing https://github.com/ArminJo/ServoEasing.
* This file is part of IRMP https://github.com/ukw100/IRMP.
* This file is part of Arduino-IRremote https://github.com/Arduino-IRremote/Arduino-IRremote.
*
* ServoEasing 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/gpl.html>.
*/
#ifndef _IR_COMMAND_DISPATCHER_H
#define _IR_COMMAND_DISPATCHER_H
#include <stdint.h>
/*
* For command mapping file
*/
#define IR_COMMAND_FLAG_BLOCKING 0x00 // default - blocking command, repeat not accepted, only one command at a time. Stops an already running command.
#define IR_COMMAND_FLAG_REPEATABLE 0x01 // repeat accepted
#define IR_COMMAND_FLAG_NON_BLOCKING 0x02 // (Non blocking / non regular) (short) command that can be processed any time and may interrupt other IR commands - used for stop, set direction etc.
#define IR_COMMAND_FLAG_REPEATABLE_NON_BLOCKING (IR_COMMAND_FLAG_REPEATABLE | IR_COMMAND_FLAG_NON_BLOCKING)
/*
* if this command is received, requestToStopReceived is set until call of next loop.
* This stops ongoing commands which use: RDispatcher.delayAndCheckForStop(100); RETURN_IF_STOP;
*/
#define IR_COMMAND_FLAG_IS_STOP_COMMAND 0x04 // sets requestToStopReceived (to stop other commands)
// Basic mapping structure
struct IRToCommandMappingStruct {
uint8_t IRCode;
uint8_t Flags;
void (*CommandToCall)();
const char *CommandString;
};
struct IRDataForCommandDispatcherStruct {
uint16_t address; // to distinguish between multiple senders
uint16_t command;
bool isRepeat;
uint32_t MillisOfLastCode; // millis() of last IR command -including repeats!- received - for timeouts etc.
volatile bool isAvailable; // flag for a polling interpreting function, that a new command has arrived.
};
/*
* Special codes (hopefully) not sent by the remote - otherwise please redefine it here
*/
#define COMMAND_EMPTY 0xFE // code no command received
#define COMMAND_INVALID 0xFF // code for command received, but not in mapping
#define RETURN_IF_STOP if (IRDispatcher.requestToStopReceived) return
#define BREAK_IF_STOP if (IRDispatcher.requestToStopReceived) break
#define DELAY_AND_RETURN_IF_STOP(aDurationMillis) if (IRDispatcher.delayAndCheckForStop(aDurationMillis)) return
class IRCommandDispatcher {
public:
void init();
bool checkAndRunNonBlockingCommands();
bool checkAndRunSuspendedBlockingCommands();
bool delayAndCheckForStop(uint16_t aDelayMillis);
// The main dispatcher function
void checkAndCallCommand(bool aCallAlsoBlockingCommands);
void printIRCommandString(Print *aSerial);
void setRequestToStopReceived();
uint8_t currentBlockingCommandCalled = COMMAND_INVALID; // The code for the current called command
bool executingBlockingCommand = false; // Lock for recursive calls of regular commands
bool justCalledBlockingCommand = false; // Flag that a blocking command was received and called - is set before call of command
uint8_t BlockingCommandToRunNext = COMMAND_INVALID; // Storage for command currently suspended to allow the current command to end, before it is called by main loop
/*
* Flag for running blocking commands to terminate. To check, you can use "if (requestToStopReceived) return;" (available as macro RETURN_IF_STOP).
* Is reset by next IR command received. Can be reset by main loop, if command has stopped.
*/
volatile bool requestToStopReceived;
/*
* If we have a function, which want to interpret the IR codes by itself e.g. the calibrate function if QuadrupedControl then this flag must be true
*/
bool doNotUseDispatcher = false;
struct IRDataForCommandDispatcherStruct IRReceivedData;
};
extern IRCommandDispatcher IRDispatcher;
#endif // _IR_COMMAND_DISPATCHER_H