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515 lines
15 KiB
515 lines
15 KiB
/*
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* IRremote
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* Version 0.1 July, 2009
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* Copyright 2009 Ken Shirriff
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* For details, see http://arcfn.com/2009/08/multi-protocol-infrared-remote-library.html
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*
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* Modified by Paul Stoffregen <paul@pjrc.com> to support other boards and timers
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*
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* Interrupt code based on NECIRrcv by Joe Knapp
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* http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556
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* Also influenced by http://zovirl.com/2008/11/12/building-a-universal-remote-with-an-arduino/
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*
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* JVC and Panasonic protocol added by Kristian Lauszus (Thanks to zenwheel and other people at the original blog post)
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*/
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#ifndef IRremoteint_h
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#define IRremoteint_h
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#if defined(ARDUINO) && ARDUINO >= 100
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#include <Arduino.h>
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#else
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#include <WProgram.h>
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#endif
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// define which timer to use
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//
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// Uncomment the timer you wish to use on your board. If you
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// are using another library which uses timer2, you have options
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// to switch IRremote to use a different timer.
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// Arduino Mega
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#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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//#define IR_USE_TIMER1 // tx = pin 11
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#define IR_USE_TIMER2 // tx = pin 9
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//#define IR_USE_TIMER3 // tx = pin 5
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//#define IR_USE_TIMER4 // tx = pin 6
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//#define IR_USE_TIMER5 // tx = pin 46
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// Teensy 1.0
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#elif defined(__AVR_AT90USB162__)
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#define IR_USE_TIMER1 // tx = pin 17
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// Teensy 2.0
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#elif defined(__AVR_ATmega32U4__)
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//#define IR_USE_TIMER1 // tx = pin 14
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//#define IR_USE_TIMER3 // tx = pin 9
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#define IR_USE_TIMER4_HS // tx = pin 10
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// Teensy 3.0
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#elif defined(__MK20DX128__)
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#define IR_USE_TIMER_CMT // tx = pin 5
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// Teensy++ 1.0 & 2.0
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#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)
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//#define IR_USE_TIMER1 // tx = pin 25
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#define IR_USE_TIMER2 // tx = pin 1
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//#define IR_USE_TIMER3 // tx = pin 16
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// Sanguino
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#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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//#define IR_USE_TIMER1 // tx = pin 13
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#define IR_USE_TIMER2 // tx = pin 14
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// Atmega8
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#elif defined(__AVR_ATmega8P__) || defined(__AVR_ATmega8__)
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#define IR_USE_TIMER1 // tx = pin 9
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// Arduino Duemilanove, Diecimila, LilyPad, Mini, Fio, etc
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#else
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//#define IR_USE_TIMER1 // tx = pin 9
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#define IR_USE_TIMER2 // tx = pin 3
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#endif
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#ifdef F_CPU
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#define SYSCLOCK F_CPU // main Arduino clock
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#else
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#define SYSCLOCK 16000000 // main Arduino clock
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#endif
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#define ERR 0
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#define DECODED 1
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// defines for setting and clearing register bits
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#ifndef cbi
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#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
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#endif
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#ifndef sbi
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#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
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#endif
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// Pulse parms are *50-100 for the Mark and *50+100 for the space
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// First MARK is the one after the long gap
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// pulse parameters in usec
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#define NEC_HDR_MARK 9000
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#define NEC_HDR_SPACE 4500
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#define NEC_BIT_MARK 560
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#define NEC_ONE_SPACE 1600
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#define NEC_ZERO_SPACE 560
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#define NEC_RPT_SPACE 2250
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#define SONY_HDR_MARK 2400
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#define SONY_HDR_SPACE 600
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#define SONY_ONE_MARK 1200
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#define SONY_ZERO_MARK 600
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#define SONY_RPT_LENGTH 45000
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#define SONY_DOUBLE_SPACE_USECS 500 // usually ssee 713 - not using ticks as get number wrapround
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// SA 8650B
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#define SANYO_HDR_MARK 3500 // seen range 3500
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#define SANYO_HDR_SPACE 950 // seen 950
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#define SANYO_ONE_MARK 2400 // seen 2400
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#define SANYO_ZERO_MARK 700 // seen 700
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#define SANYO_DOUBLE_SPACE_USECS 800 // usually ssee 713 - not using ticks as get number wrapround
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#define SANYO_RPT_LENGTH 45000
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// Mitsubishi RM 75501
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// 14200 7 41 7 42 7 42 7 17 7 17 7 18 7 41 7 18 7 17 7 17 7 18 7 41 8 17 7 17 7 18 7 17 7
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// #define MITSUBISHI_HDR_MARK 250 // seen range 3500
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#define MITSUBISHI_HDR_SPACE 350 // 7*50+100
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#define MITSUBISHI_ONE_MARK 1950 // 41*50-100
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#define MITSUBISHI_ZERO_MARK 750 // 17*50-100
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// #define MITSUBISHI_DOUBLE_SPACE_USECS 800 // usually ssee 713 - not using ticks as get number wrapround
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// #define MITSUBISHI_RPT_LENGTH 45000
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#define RC5_T1 889
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#define RC5_RPT_LENGTH 46000
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#define RC6_HDR_MARK 2666
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#define RC6_HDR_SPACE 889
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#define RC6_T1 444
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#define RC6_RPT_LENGTH 46000
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#define SHARP_BIT_MARK 245
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#define SHARP_ONE_SPACE 1805
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#define SHARP_ZERO_SPACE 795
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#define SHARP_GAP 600000
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#define SHARP_TOGGLE_MASK 0x3FF
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#define SHARP_RPT_SPACE 3000
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#define DISH_HDR_MARK 400
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#define DISH_HDR_SPACE 6100
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#define DISH_BIT_MARK 400
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#define DISH_ONE_SPACE 1700
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#define DISH_ZERO_SPACE 2800
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#define DISH_RPT_SPACE 6200
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#define DISH_TOP_BIT 0x8000
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#define PANASONIC_HDR_MARK 3502
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#define PANASONIC_HDR_SPACE 1750
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#define PANASONIC_BIT_MARK 502
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#define PANASONIC_ONE_SPACE 1244
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#define PANASONIC_ZERO_SPACE 400
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#define JVC_HDR_MARK 8000
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#define JVC_HDR_SPACE 4000
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#define JVC_BIT_MARK 600
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#define JVC_ONE_SPACE 1600
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#define JVC_ZERO_SPACE 550
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#define JVC_RPT_LENGTH 60000
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#define LG_HDR_MARK 8000
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#define LG_HDR_SPACE 4000
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#define LG_BIT_MARK 600
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#define LG_ONE_SPACE 1600
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#define LG_ZERO_SPACE 550
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#define LG_RPT_LENGTH 60000
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#define SAMSUNG_HDR_MARK 5000
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#define SAMSUNG_HDR_SPACE 5000
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#define SAMSUNG_BIT_MARK 560
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#define SAMSUNG_ONE_SPACE 1600
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#define SAMSUNG_ZERO_SPACE 560
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#define SAMSUNG_RPT_SPACE 2250
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#define SHARP_BITS 15
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#define DISH_BITS 16
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#define TOLERANCE 25 // percent tolerance in measurements
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#define LTOL (1.0 - TOLERANCE/100.)
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#define UTOL (1.0 + TOLERANCE/100.)
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#define _GAP 5000 // Minimum map between transmissions
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#define GAP_TICKS (_GAP/USECPERTICK)
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#define TICKS_LOW(us) (int) (((us)*LTOL/USECPERTICK))
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#define TICKS_HIGH(us) (int) (((us)*UTOL/USECPERTICK + 1))
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// receiver states
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#define STATE_IDLE 2
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#define STATE_MARK 3
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#define STATE_SPACE 4
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#define STATE_STOP 5
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// information for the interrupt handler
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typedef struct {
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uint8_t recvpin; // pin for IR data from detector
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uint8_t rcvstate; // state machine
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uint8_t blinkflag; // TRUE to enable blinking of pin 13 on IR processing
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unsigned int timer; // state timer, counts 50uS ticks.
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unsigned int rawbuf[RAWBUF]; // raw data
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uint8_t rawlen; // counter of entries in rawbuf
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}
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irparams_t;
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// Defined in IRremote.cpp
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extern volatile irparams_t irparams;
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// IR detector output is active low
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#define MARK 0
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#define SPACE 1
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#define TOPBIT 0x80000000
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#define NEC_BITS 32
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#define SONY_BITS 12
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#define SANYO_BITS 12
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#define MITSUBISHI_BITS 16
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#define MIN_RC5_SAMPLES 11
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#define MIN_RC6_SAMPLES 1
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#define PANASONIC_BITS 48
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#define JVC_BITS 16
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#define LG_BITS 28
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#define SAMSUNG_BITS 32
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// defines for timer2 (8 bits)
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#if defined(IR_USE_TIMER2)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR2A |= _BV(COM2B1))
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#define TIMER_DISABLE_PWM (TCCR2A &= ~(_BV(COM2B1)))
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#define TIMER_ENABLE_INTR (TIMSK2 = _BV(OCIE2A))
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#define TIMER_DISABLE_INTR (TIMSK2 = 0)
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#define TIMER_INTR_NAME TIMER2_COMPA_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint8_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR2A = _BV(WGM20); \
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TCCR2B = _BV(WGM22) | _BV(CS20); \
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OCR2A = pwmval; \
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OCR2B = pwmval / 3; \
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})
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#define TIMER_COUNT_TOP (SYSCLOCK * USECPERTICK / 1000000)
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#if (TIMER_COUNT_TOP < 256)
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR2A = _BV(WGM21); \
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TCCR2B = _BV(CS20); \
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OCR2A = TIMER_COUNT_TOP; \
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TCNT2 = 0; \
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})
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#else
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR2A = _BV(WGM21); \
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TCCR2B = _BV(CS21); \
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OCR2A = TIMER_COUNT_TOP / 8; \
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TCNT2 = 0; \
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})
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#endif
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#if defined(CORE_OC2B_PIN)
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#define TIMER_PWM_PIN CORE_OC2B_PIN /* Teensy */
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#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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#define TIMER_PWM_PIN 9 /* Arduino Mega */
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#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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#define TIMER_PWM_PIN 14 /* Sanguino */
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#else
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#define TIMER_PWM_PIN 3 /* Arduino Duemilanove, Diecimila, LilyPad, etc */
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#endif
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// defines for timer1 (16 bits)
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#elif defined(IR_USE_TIMER1)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR1A |= _BV(COM1A1))
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#define TIMER_DISABLE_PWM (TCCR1A &= ~(_BV(COM1A1)))
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#if defined(__AVR_ATmega8P__) || defined(__AVR_ATmega8__)
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#define TIMER_ENABLE_INTR (TIMSK = _BV(OCIE1A))
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#define TIMER_DISABLE_INTR (TIMSK = 0)
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#else
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#define TIMER_ENABLE_INTR (TIMSK1 = _BV(OCIE1A))
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#define TIMER_DISABLE_INTR (TIMSK1 = 0)
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#endif
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#define TIMER_INTR_NAME TIMER1_COMPA_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR1A = _BV(WGM11); \
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TCCR1B = _BV(WGM13) | _BV(CS10); \
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ICR1 = pwmval; \
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OCR1A = pwmval / 3; \
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})
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR1A = 0; \
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TCCR1B = _BV(WGM12) | _BV(CS10); \
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OCR1A = SYSCLOCK * USECPERTICK / 1000000; \
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TCNT1 = 0; \
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})
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#if defined(CORE_OC1A_PIN)
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#define TIMER_PWM_PIN CORE_OC1A_PIN /* Teensy */
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#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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#define TIMER_PWM_PIN 11 /* Arduino Mega */
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#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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#define TIMER_PWM_PIN 13 /* Sanguino */
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#else
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#define TIMER_PWM_PIN 9 /* Arduino Duemilanove, Diecimila, LilyPad, etc */
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#endif
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// defines for timer3 (16 bits)
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#elif defined(IR_USE_TIMER3)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR3A |= _BV(COM3A1))
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#define TIMER_DISABLE_PWM (TCCR3A &= ~(_BV(COM3A1)))
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#define TIMER_ENABLE_INTR (TIMSK3 = _BV(OCIE3A))
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#define TIMER_DISABLE_INTR (TIMSK3 = 0)
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#define TIMER_INTR_NAME TIMER3_COMPA_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR3A = _BV(WGM31); \
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TCCR3B = _BV(WGM33) | _BV(CS30); \
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ICR3 = pwmval; \
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OCR3A = pwmval / 3; \
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})
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR3A = 0; \
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TCCR3B = _BV(WGM32) | _BV(CS30); \
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OCR3A = SYSCLOCK * USECPERTICK / 1000000; \
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TCNT3 = 0; \
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})
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#if defined(CORE_OC3A_PIN)
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#define TIMER_PWM_PIN CORE_OC3A_PIN /* Teensy */
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#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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#define TIMER_PWM_PIN 5 /* Arduino Mega */
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#else
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#error "Please add OC3A pin number here\n"
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#endif
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// defines for timer4 (10 bits, high speed option)
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#elif defined(IR_USE_TIMER4_HS)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR4A |= _BV(COM4A1))
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#define TIMER_DISABLE_PWM (TCCR4A &= ~(_BV(COM4A1)))
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#define TIMER_ENABLE_INTR (TIMSK4 = _BV(TOIE4))
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#define TIMER_DISABLE_INTR (TIMSK4 = 0)
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#define TIMER_INTR_NAME TIMER4_OVF_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR4A = (1<<PWM4A); \
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TCCR4B = _BV(CS40); \
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TCCR4C = 0; \
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TCCR4D = (1<<WGM40); \
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TCCR4E = 0; \
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TC4H = pwmval >> 8; \
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OCR4C = pwmval; \
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TC4H = (pwmval / 3) >> 8; \
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OCR4A = (pwmval / 3) & 255; \
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})
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR4A = 0; \
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TCCR4B = _BV(CS40); \
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TCCR4C = 0; \
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TCCR4D = 0; \
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TCCR4E = 0; \
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TC4H = (SYSCLOCK * USECPERTICK / 1000000) >> 8; \
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OCR4C = (SYSCLOCK * USECPERTICK / 1000000) & 255; \
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TC4H = 0; \
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TCNT4 = 0; \
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})
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#if defined(CORE_OC4A_PIN)
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#define TIMER_PWM_PIN CORE_OC4A_PIN /* Teensy */
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#elif defined(__AVR_ATmega32U4__)
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#define TIMER_PWM_PIN 13 /* Leonardo */
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#else
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#error "Please add OC4A pin number here\n"
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#endif
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// defines for timer4 (16 bits)
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#elif defined(IR_USE_TIMER4)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR4A |= _BV(COM4A1))
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#define TIMER_DISABLE_PWM (TCCR4A &= ~(_BV(COM4A1)))
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#define TIMER_ENABLE_INTR (TIMSK4 = _BV(OCIE4A))
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#define TIMER_DISABLE_INTR (TIMSK4 = 0)
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#define TIMER_INTR_NAME TIMER4_COMPA_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR4A = _BV(WGM41); \
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TCCR4B = _BV(WGM43) | _BV(CS40); \
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ICR4 = pwmval; \
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OCR4A = pwmval / 3; \
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})
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR4A = 0; \
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TCCR4B = _BV(WGM42) | _BV(CS40); \
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OCR4A = SYSCLOCK * USECPERTICK / 1000000; \
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TCNT4 = 0; \
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})
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#if defined(CORE_OC4A_PIN)
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#define TIMER_PWM_PIN CORE_OC4A_PIN
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#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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#define TIMER_PWM_PIN 6 /* Arduino Mega */
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#else
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#error "Please add OC4A pin number here\n"
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#endif
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// defines for timer5 (16 bits)
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#elif defined(IR_USE_TIMER5)
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#define TIMER_RESET
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#define TIMER_ENABLE_PWM (TCCR5A |= _BV(COM5A1))
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#define TIMER_DISABLE_PWM (TCCR5A &= ~(_BV(COM5A1)))
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#define TIMER_ENABLE_INTR (TIMSK5 = _BV(OCIE5A))
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#define TIMER_DISABLE_INTR (TIMSK5 = 0)
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#define TIMER_INTR_NAME TIMER5_COMPA_vect
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#define TIMER_CONFIG_KHZ(val) ({ \
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const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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TCCR5A = _BV(WGM51); \
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TCCR5B = _BV(WGM53) | _BV(CS50); \
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ICR5 = pwmval; \
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OCR5A = pwmval / 3; \
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})
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#define TIMER_CONFIG_NORMAL() ({ \
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TCCR5A = 0; \
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TCCR5B = _BV(WGM52) | _BV(CS50); \
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OCR5A = SYSCLOCK * USECPERTICK / 1000000; \
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TCNT5 = 0; \
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})
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#if defined(CORE_OC5A_PIN)
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#define TIMER_PWM_PIN CORE_OC5A_PIN
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#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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#define TIMER_PWM_PIN 46 /* Arduino Mega */
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#else
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#error "Please add OC5A pin number here\n"
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#endif
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|
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// defines for special carrier modulator timer
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#elif defined(IR_USE_TIMER_CMT)
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#define TIMER_RESET ({ \
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uint8_t tmp = CMT_MSC; \
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CMT_CMD2 = 30; \
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})
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#define TIMER_ENABLE_PWM CORE_PIN5_CONFIG = PORT_PCR_MUX(2)|PORT_PCR_DSE|PORT_PCR_SRE
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#define TIMER_DISABLE_PWM CORE_PIN5_CONFIG = PORT_PCR_MUX(1)|PORT_PCR_DSE|PORT_PCR_SRE
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#define TIMER_ENABLE_INTR NVIC_ENABLE_IRQ(IRQ_CMT)
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#define TIMER_DISABLE_INTR NVIC_DISABLE_IRQ(IRQ_CMT)
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#define TIMER_INTR_NAME cmt_isr
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|
#ifdef ISR
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|
#undef ISR
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|
#endif
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|
#define ISR(f) void f(void)
|
|
#if F_BUS == 48000000
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|
#define CMT_PPS_VAL 5
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|
#else
|
|
#define CMT_PPS_VAL 2
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|
#endif
|
|
#define TIMER_CONFIG_KHZ(val) ({ \
|
|
SIM_SCGC4 |= SIM_SCGC4_CMT; \
|
|
SIM_SOPT2 |= SIM_SOPT2_PTD7PAD; \
|
|
CMT_PPS = CMT_PPS_VAL; \
|
|
CMT_CGH1 = 2667 / val; \
|
|
CMT_CGL1 = 5333 / val; \
|
|
CMT_CMD1 = 0; \
|
|
CMT_CMD2 = 30; \
|
|
CMT_CMD3 = 0; \
|
|
CMT_CMD4 = 0; \
|
|
CMT_OC = 0x60; \
|
|
CMT_MSC = 0x01; \
|
|
})
|
|
#define TIMER_CONFIG_NORMAL() ({ \
|
|
SIM_SCGC4 |= SIM_SCGC4_CMT; \
|
|
CMT_PPS = CMT_PPS_VAL; \
|
|
CMT_CGH1 = 1; \
|
|
CMT_CGL1 = 1; \
|
|
CMT_CMD1 = 0; \
|
|
CMT_CMD2 = 30; \
|
|
CMT_CMD3 = 0; \
|
|
CMT_CMD4 = 19; \
|
|
CMT_OC = 0; \
|
|
CMT_MSC = 0x03; \
|
|
})
|
|
#define TIMER_PWM_PIN 5
|
|
|
|
|
|
#else // unknown timer
|
|
#error "Internal code configuration error, no known IR_USE_TIMER# defined\n"
|
|
#endif
|
|
|
|
|
|
// defines for blinking the LED
|
|
#if defined(CORE_LED0_PIN)
|
|
#define BLINKLED CORE_LED0_PIN
|
|
#define BLINKLED_ON() (digitalWrite(CORE_LED0_PIN, HIGH))
|
|
#define BLINKLED_OFF() (digitalWrite(CORE_LED0_PIN, LOW))
|
|
#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
|
|
#define BLINKLED 13
|
|
#define BLINKLED_ON() (PORTB |= B10000000)
|
|
#define BLINKLED_OFF() (PORTB &= B01111111)
|
|
#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
|
|
#define BLINKLED 0
|
|
#define BLINKLED_ON() (PORTD |= B00000001)
|
|
#define BLINKLED_OFF() (PORTD &= B11111110)
|
|
#else
|
|
#define BLINKLED 13
|
|
#define BLINKLED_ON() (PORTB |= B00100000)
|
|
#define BLINKLED_OFF() (PORTB &= B11011111)
|
|
#endif
|
|
|
|
#endif
|
|
|