Embedded Class - Final Project1 / IRremote

Infrared remote library for Arduino: send and receive infrared signals with multiple protocols Port from Arduino-IRremote https://github.com/z3t0/Arduino-IRremote

Dependents:   mbed-os-example-FinalReal_copy

IRremoteInt.h@7:c82a0d54a024, 2016-03-10 (annotated)

Committer:
yuhki50
Date:
Thu Mar 10 15:39:34 2016 +0000
Revision:
7:c82a0d54a024
Parent:
3:17440cf7ab90 
change USECPERTICK

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yuhki50 0:70c8e56bac45 1 //******************************************************************************
yuhki50 0:70c8e56bac45 2 // IRremote
yuhki50 0:70c8e56bac45 3 // Version 2.0.1 June, 2015
yuhki50 0:70c8e56bac45 4 // Copyright 2009 Ken Shirriff
yuhki50 0:70c8e56bac45 5 // For details, see http://arcfn.com/2009/08/multi-protocol-infrared-remote-library.html
yuhki50 0:70c8e56bac45 6 //
yuhki50 0:70c8e56bac45 7 // Modified by Paul Stoffregen <paul@pjrc.com> to support other boards and timers
yuhki50 0:70c8e56bac45 8 //
yuhki50 0:70c8e56bac45 9 // Interrupt code based on NECIRrcv by Joe Knapp
yuhki50 0:70c8e56bac45 10 // http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556
yuhki50 0:70c8e56bac45 11 // Also influenced by http://zovirl.com/2008/11/12/building-a-universal-remote-with-an-arduino/
yuhki50 0:70c8e56bac45 12 //
yuhki50 0:70c8e56bac45 13 // JVC and Panasonic protocol added by Kristian Lauszus (Thanks to zenwheel and other people at the original blog post)
yuhki50 0:70c8e56bac45 14 // Whynter A/C ARC-110WD added by Francesco Meschia
yuhki50 0:70c8e56bac45 15 //******************************************************************************
yuhki50 0:70c8e56bac45 16
yuhki50 0:70c8e56bac45 17 #ifndef IRremoteint_h
yuhki50 0:70c8e56bac45 18 #define IRremoteint_h
yuhki50 0:70c8e56bac45 19
yuhki50 0:70c8e56bac45 20 //------------------------------------------------------------------------------
yuhki50 3:17440cf7ab90 21 // Include the right mbed header
yuhki50 0:70c8e56bac45 22 //
yuhki50 3:17440cf7ab90 23 #include "mbed.h"
yuhki50 0:70c8e56bac45 24
yuhki50 0:70c8e56bac45 25 //------------------------------------------------------------------------------
yuhki50 0:70c8e56bac45 26 // Information for the Interrupt Service Routine
yuhki50 0:70c8e56bac45 27 //
yuhki50 0:70c8e56bac45 28 #define RAWBUF 101 // Maximum length of raw duration buffer
yuhki50 0:70c8e56bac45 29
yuhki50 0:70c8e56bac45 30 typedef
yuhki50 0:70c8e56bac45 31 struct {
yuhki50 0:70c8e56bac45 32 // The fields are ordered to reduce memory over caused by struct-padding
yuhki50 0:70c8e56bac45 33 uint8_t rcvstate; // State Machine state
yuhki50 0:70c8e56bac45 34 uint8_t rawlen; // counter of entries in rawbuf
yuhki50 0:70c8e56bac45 35 unsigned int timer; // State timer, counts 50uS ticks.
yuhki50 0:70c8e56bac45 36 unsigned int rawbuf[RAWBUF]; // raw data
yuhki50 0:70c8e56bac45 37 uint8_t overflow; // Raw buffer overflow occurred
yuhki50 0:70c8e56bac45 38 }
yuhki50 0:70c8e56bac45 39 irparams_t;
yuhki50 0:70c8e56bac45 40
yuhki50 0:70c8e56bac45 41 // ISR State-Machine : Receiver States
yuhki50 0:70c8e56bac45 42 #define STATE_IDLE 2
yuhki50 0:70c8e56bac45 43 #define STATE_MARK 3
yuhki50 0:70c8e56bac45 44 #define STATE_SPACE 4
yuhki50 0:70c8e56bac45 45 #define STATE_STOP 5
yuhki50 0:70c8e56bac45 46 #define STATE_OVERFLOW 6
yuhki50 0:70c8e56bac45 47
yuhki50 0:70c8e56bac45 48 //------------------------------------------------------------------------------
yuhki50 0:70c8e56bac45 49 // Pulse parms are ((X*50)-100) for the Mark and ((X*50)+100) for the Space.
yuhki50 0:70c8e56bac45 50 // First MARK is the one after the long gap
yuhki50 0:70c8e56bac45 51 // Pulse parameters in uSec
yuhki50 0:70c8e56bac45 52 //
yuhki50 0:70c8e56bac45 53
yuhki50 0:70c8e56bac45 54 // Due to sensor lag, when received, Marks tend to be 100us too long and
yuhki50 0:70c8e56bac45 55 // Spaces tend to be 100us too short
yuhki50 0:70c8e56bac45 56 #define MARK_EXCESS 100
yuhki50 0:70c8e56bac45 57
yuhki50 0:70c8e56bac45 58 // microseconds per clock interrupt tick
yuhki50 7:c82a0d54a024 59 #define USECPERTICK 100
yuhki50 0:70c8e56bac45 60
yuhki50 0:70c8e56bac45 61 // Upper and Lower percentage tolerances in measurements
yuhki50 0:70c8e56bac45 62 #define TOLERANCE 25
yuhki50 0:70c8e56bac45 63 #define LTOL (1.0 - (TOLERANCE/100.))
yuhki50 0:70c8e56bac45 64 #define UTOL (1.0 + (TOLERANCE/100.))
yuhki50 0:70c8e56bac45 65
yuhki50 0:70c8e56bac45 66 // Minimum gap between IR transmissions
yuhki50 0:70c8e56bac45 67 #define _GAP 5000
yuhki50 0:70c8e56bac45 68 #define GAP_TICKS (_GAP/USECPERTICK)
yuhki50 0:70c8e56bac45 69
yuhki50 0:70c8e56bac45 70 #define TICKS_LOW(us) ((int)(((us)*LTOL/USECPERTICK)))
yuhki50 0:70c8e56bac45 71 #define TICKS_HIGH(us) ((int)(((us)*UTOL/USECPERTICK + 1)))
yuhki50 0:70c8e56bac45 72
yuhki50 0:70c8e56bac45 73 //------------------------------------------------------------------------------
yuhki50 0:70c8e56bac45 74 // IR detector output is active low
yuhki50 0:70c8e56bac45 75 //
yuhki50 0:70c8e56bac45 76 #define MARK 0
yuhki50 0:70c8e56bac45 77 #define SPACE 1
yuhki50 0:70c8e56bac45 78
yuhki50 0:70c8e56bac45 79 #endif