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feat: 全量同步 254 个常用的 Arduino 扩展库文件

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yczpf2019
2026-01-24 16:05:38 +08:00
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arduino-libs/arduino-cli/libraries/IRremote/src/ir_NEC.hpp Normal file
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/*
* ir_NEC.hpp
*
* Contains functions for receiving and sending NEC IR Protocol in "raw" and standard format with 16 or 8 bit address and 8 bit command
*
* This file is part of Arduino-IRremote https://github.com/Arduino-IRremote/Arduino-IRremote.
*
************************************************************************************
* MIT License
*
* Copyright (c) 2020-2021 Armin Joachimsmeyer
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
************************************************************************************
*/
#ifndef _IR_NEC_HPP
#define _IR_NEC_HPP
#include <Arduino.h>
//#define DEBUG // Activate this for lots of lovely debug output from this decoder.
#include "IRremoteInt.h" // evaluates the DEBUG for IR_DEBUG_PRINT
#include "LongUnion.h"
/** \addtogroup Decoder Decoders and encoders for different protocols
* @{
*/
//==============================================================================
// N N EEEEE CCCC
// NN N E C
// N N N EEE C
// N NN E C
// N N EEEEE CCCC
//==============================================================================
// see: https://www.sbprojects.net/knowledge/ir/nec.php
// for Apple see https://en.wikipedia.org/wiki/Apple_Remote
// ONKYO like NEC but 16 independent command bits
// LSB first, 1 start bit + 16 bit address (or 8 bit address and 8 bit inverted address) + 8 bit command + 8 bit inverted command + 1 stop bit.
//
#define NEC_ADDRESS_BITS 16 // 16 bit address or 8 bit address and 8 bit inverted address
#define NEC_COMMAND_BITS 16 // Command and inverted command
#define NEC_BITS (NEC_ADDRESS_BITS + NEC_COMMAND_BITS)
#define NEC_UNIT 560 // 21.28 periods of 38 kHz, 11.2 ticks TICKS_LOW = 8.358 TICKS_HIGH = 15.0
#define NEC_HEADER_MARK (16 * NEC_UNIT) // 9000 / 180
#define NEC_HEADER_SPACE (8 * NEC_UNIT) // 4500 / 90
#define NEC_BIT_MARK NEC_UNIT
#define NEC_ONE_SPACE (3 * NEC_UNIT) // 1690 / 33.8 TICKS_LOW = 25.07 TICKS_HIGH = 45.0
#define NEC_ZERO_SPACE NEC_UNIT
#define NEC_REPEAT_HEADER_SPACE (4 * NEC_UNIT) // 2250
#define NEC_AVERAGE_DURATION 62000 // NEC_HEADER_MARK + NEC_HEADER_SPACE + 32 * 2,5 * NEC_UNIT + NEC_UNIT // 2.5 because we assume more zeros than ones
#define NEC_REPEAT_DURATION (NEC_HEADER_MARK + NEC_REPEAT_HEADER_SPACE + NEC_BIT_MARK) // 12 ms
#define NEC_REPEAT_PERIOD 110000 // Commands are repeated every 110 ms (measured from start to start) for as long as the key on the remote control is held down.
#define NEC_REPEAT_SPACE (NEC_REPEAT_PERIOD - NEC_AVERAGE_DURATION) // 48 ms
#define APPLE_ADDRESS 0x87EE
//+=============================================================================
/*
* Send repeat
* Repeat commands should be sent in a 110 ms raster.
*/
void IRsend::sendNECRepeat() {
enableIROut(NEC_KHZ); // 38 kHz
mark(NEC_HEADER_MARK);
space(NEC_REPEAT_HEADER_SPACE);
mark(NEC_BIT_MARK);
IrReceiver.restartAfterSend();
// ledOff(); // Always end with the LED off
}
/*
* Repeat commands should be sent in a 110 ms raster.
* There is NO delay after the last sent repeat!
* https://www.sbprojects.net/knowledge/ir/nec.php
* @param aIsRepeat if true, send only one repeat frame without leading and trailing space
*/
void IRsend::sendNEC(uint16_t aAddress, uint8_t aCommand, uint_fast8_t aNumberOfRepeats, bool aIsRepeat) {
LongUnion tRawData;
// Address 16 bit LSB first
if ((aAddress & 0xFF00) == 0) {
// assume 8 bit address -> send 8 address bits and then 8 inverted address bits LSB first
tRawData.UByte.LowByte = aAddress;
tRawData.UByte.MidLowByte = ~tRawData.UByte.LowByte;
} else {
tRawData.UWord.LowWord = aAddress;
}
// send 8 command bits and then 8 inverted command bits LSB first
tRawData.UByte.MidHighByte = aCommand;
tRawData.UByte.HighByte = ~aCommand;
sendNECRaw(tRawData.ULong, aNumberOfRepeats, aIsRepeat);
}
/*
* Repeat commands should be sent in a 110 ms raster.
* There is NO delay after the last sent repeat!
* @param aIsRepeat if true, send only one repeat frame without leading and trailing space
*/
void IRsend::sendOnkyo(uint16_t aAddress, uint16_t aCommand, uint_fast8_t aNumberOfRepeats, bool aIsRepeat) {
LongUnion tRawData;
// Address 16 bit LSB first
tRawData.UWord.LowWord = aAddress;
// Command 16 bit LSB first
tRawData.UWord.HighWord = aCommand;
sendNECRaw(tRawData.ULong, aNumberOfRepeats, aIsRepeat);
}
/*
* Repeat commands should be sent in a 110 ms raster.
* There is NO delay after the last sent repeat!
* https://en.wikipedia.org/wiki/Apple_Remote
* https://gist.github.com/darconeous/4437f79a34e3b6441628
* @param aAddress is the DeviceId*
* @param aIsRepeat if true, send only one repeat frame without leading and trailing space
*/
void IRsend::sendApple(uint8_t aDeviceId, uint8_t aCommand, uint_fast8_t aNumberOfRepeats, bool aIsRepeat) {
LongUnion tRawData;
// Address 16 bit LSB first
tRawData.UWord.LowWord = APPLE_ADDRESS;
// send Apple code and then 8 command bits LSB first
tRawData.UByte.MidHighByte = aCommand;
tRawData.UByte.HighByte = aDeviceId; // e.g. 0xD7
sendNECRaw(tRawData.ULong, aNumberOfRepeats, aIsRepeat);
}
void IRsend::sendNECRaw(uint32_t aRawData, uint_fast8_t aNumberOfRepeats, bool aIsRepeat) {
if (aIsRepeat) {
sendNECRepeat();
return;
}
// Set IR carrier frequency
enableIROut(NEC_KHZ);
// Header
mark(NEC_HEADER_MARK);
space(NEC_HEADER_SPACE);
// LSB first + stop bit
sendPulseDistanceWidthData(NEC_BIT_MARK, NEC_ONE_SPACE, NEC_BIT_MARK, NEC_ZERO_SPACE, aRawData, NEC_BITS, PROTOCOL_IS_LSB_FIRST,
SEND_STOP_BIT);
for (uint_fast8_t i = 0; i < aNumberOfRepeats; ++i) {
// send repeat in a 110 ms raster
if (i == 0) {
delay(NEC_REPEAT_SPACE / MICROS_IN_ONE_MILLI);
} else {
delay((NEC_REPEAT_PERIOD - NEC_REPEAT_DURATION) / MICROS_IN_ONE_MILLI);
}
// send repeat
sendNECRepeat();
}
IrReceiver.restartAfterSend();
}
//+=============================================================================
// NECs have a repeat only 4 items long
//
/*
* First check for right data length
* Next check start bit
* Next try the decode
* Last check stop bit
*
* Decodes also Apple
*/
bool IRrecv::decodeNEC() {
// Check we have the right amount of data (68). The +4 is for initial gap, start bit mark and space + stop bit mark.
if (decodedIRData.rawDataPtr->rawlen != ((2 * NEC_BITS) + 4) && (decodedIRData.rawDataPtr->rawlen != 4)) {
IR_DEBUG_PRINT(F("NEC: "));
IR_DEBUG_PRINT(F("Data length="));
IR_DEBUG_PRINT(decodedIRData.rawDataPtr->rawlen);
IR_DEBUG_PRINTLN(F(" is not 68 or 4"));
return false;
}
// Check header "mark" this must be done for repeat and data
if (!matchMark(decodedIRData.rawDataPtr->rawbuf[1], NEC_HEADER_MARK)) {
return false;
}
// Check for repeat - here we have another header space length
if (decodedIRData.rawDataPtr->rawlen == 4) {
if (matchSpace(decodedIRData.rawDataPtr->rawbuf[2], NEC_REPEAT_HEADER_SPACE)
&& matchMark(decodedIRData.rawDataPtr->rawbuf[3], NEC_BIT_MARK)) {
decodedIRData.flags = IRDATA_FLAGS_IS_REPEAT | IRDATA_FLAGS_IS_LSB_FIRST;
decodedIRData.address = lastDecodedAddress;
decodedIRData.command = lastDecodedCommand;
decodedIRData.protocol = lastDecodedProtocol;
return true;
}
return false;
}
// Check command header space
if (!matchSpace(decodedIRData.rawDataPtr->rawbuf[2], NEC_HEADER_SPACE)) {
IR_DEBUG_PRINT(F("NEC: "));
IR_DEBUG_PRINTLN(F("Header space length is wrong"));
return false;
}
if (!decodePulseDistanceData(NEC_BITS, 3, NEC_BIT_MARK, NEC_ONE_SPACE, NEC_ZERO_SPACE, PROTOCOL_IS_LSB_FIRST)) {
IR_DEBUG_PRINT(F("NEC: "));
IR_DEBUG_PRINTLN(F("Decode failed"));
return false;
}
// Stop bit
if (!matchMark(decodedIRData.rawDataPtr->rawbuf[3 + (2 * NEC_BITS)], NEC_BIT_MARK)) {
IR_DEBUG_PRINT(F("NEC: "));
IR_DEBUG_PRINTLN(F("Stop bit mark length is wrong"));
return false;
}
// Success
// decodedIRData.flags = IRDATA_FLAGS_IS_LSB_FIRST; // Not required, since this is the start value
LongUnion tValue;
tValue.ULong = decodedIRData.decodedRawData;
decodedIRData.command = tValue.UByte.MidHighByte; // 8 bit
// Address
if (tValue.UWord.LowWord == APPLE_ADDRESS) {
/*
* Apple
*/
decodedIRData.protocol = APPLE;
decodedIRData.address = tValue.UByte.HighByte;
} else {
/*
* NEC LSB first, so first sent bit is also LSB of decodedIRData.decodedRawData
*/
if (tValue.UByte.LowByte == (uint8_t) (~tValue.UByte.MidLowByte)) {
// standard 8 bit address NEC protocol
decodedIRData.address = tValue.UByte.LowByte; // first 8 bit
} else {
// extended NEC protocol
decodedIRData.address = tValue.UWord.LowWord; // first 16 bit
}
// Check for command if it is 8 bit NEC or 16 bit ONKYO
if (tValue.UByte.MidHighByte == (uint8_t) (~tValue.UByte.HighByte)) {
decodedIRData.protocol = NEC;
} else {
decodedIRData.protocol = ONKYO;
decodedIRData.command = tValue.UWord.HighWord; // 16 bit command
/*
* Old NEC plausibility check below, now it is just ONKYO :-)
*/
// IR_DEBUG_PRINT(F("NEC: "));
// IR_DEBUG_PRINT(F("Command=0x"));
// IR_DEBUG_PRINT(tValue.UByte.MidHighByte, HEX);
// IR_DEBUG_PRINT(F(" is not inverted value of 0x"));
// IR_DEBUG_PRINTLN(tValue.UByte.HighByte, HEX);
// decodedIRData.flags = IRDATA_FLAGS_PARITY_FAILED | IRDATA_FLAGS_IS_LSB_FIRST;
}
}
decodedIRData.numberOfBits = NEC_BITS;
return true;
}
bool IRrecv::decodeNECMSB(decode_results *aResults) {
unsigned int offset = 1; // Index in to results; Skip first space.
// Check header "mark"
if (!matchMark(aResults->rawbuf[offset], NEC_HEADER_MARK)) {
return false;
}
offset++;
// Check for repeat
if ((aResults->rawlen == 4) && matchSpace(aResults->rawbuf[offset], NEC_REPEAT_HEADER_SPACE)
&& matchMark(aResults->rawbuf[offset + 1], NEC_BIT_MARK)) {
aResults->bits = 0;
aResults->value = 0xFFFFFFFF;
decodedIRData.flags |= IRDATA_FLAGS_IS_REPEAT;
decodedIRData.protocol = NEC;
return true;
}
// Check we have the right amount of data (32). +4 for initial gap, start bit mark and space + stop bit mark
if (aResults->rawlen != (2 * NEC_BITS) + 4) {
IR_DEBUG_PRINT(F("NEC MSB: "));
IR_DEBUG_PRINT(F("Data length="));
IR_DEBUG_PRINT(aResults->rawlen);
IR_DEBUG_PRINTLN(F(" is not 68"));
return false;
}
// Check header "space"
if (!matchSpace(aResults->rawbuf[offset], NEC_HEADER_SPACE)) {
IR_DEBUG_PRINT(F("NEC MSB: "));
IR_DEBUG_PRINTLN(F("Header space length is wrong"));
return false;
}
offset++;
if (!decodePulseDistanceData(NEC_BITS, offset, NEC_BIT_MARK, NEC_ONE_SPACE, NEC_ZERO_SPACE, PROTOCOL_IS_MSB_FIRST)) {
IR_DEBUG_PRINT(F("NEC MSB: "));
IR_DEBUG_PRINTLN(F("Decode failed"));
return false;
}
// Stop bit
if (!matchMark(aResults->rawbuf[offset + (2 * NEC_BITS)], NEC_BIT_MARK)) {
IR_DEBUG_PRINT(F("NEC MSB: "));
IR_DEBUG_PRINTLN(F("Stop bit mark length is wrong"));
return false;
}
// Success
aResults->value = decodedIRData.decodedRawData;
aResults->bits = NEC_BITS;
aResults->decode_type = NEC;
decodedIRData.protocol = NEC;
return true;
}
/**
* With Send sendNECMSB() you can send your old 32 bit codes.
* To convert one into the other, you must reverse the byte positions and then reverse all bit positions of each byte.
* Or write it as one binary string and reverse/mirror it.
* Example:
* 0xCB340102 byte reverse -> 02 01 34 CB bit reverse-> 40 80 2C D3.
* 0xCB340102 is binary 11001011001101000000000100000010.
* 0x40802CD3 is binary 01000000100000000010110011010011.
* If you read the first binary sequence backwards (right to left), you get the second sequence.
*/
void IRsend::sendNECMSB(uint32_t data, uint8_t nbits, bool repeat) {
// Set IR carrier frequency
enableIROut(NEC_KHZ);
if (data == 0xFFFFFFFF || repeat) {
sendNECRepeat();
return;
}
// Header
mark(NEC_HEADER_MARK);
space(NEC_HEADER_SPACE);
// Old version with MSB first Data + stop bit
sendPulseDistanceWidthData(NEC_BIT_MARK, NEC_ONE_SPACE, NEC_BIT_MARK, NEC_ZERO_SPACE, data, nbits, PROTOCOL_IS_MSB_FIRST,
SEND_STOP_BIT);
IrReceiver.restartAfterSend();
}
/** @}*/
#endif // _IR_NEC_HPP