Embedded Class - Final Project2 / IRremote

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

ir_Whynter.cpp@8:0650578366fd, 2019-06-16 (annotated)

Committer:
eunmango
Date:
Sun Jun 16 04:36:58 2019 +0000
Revision:
8:0650578366fd
Parent:
0:70c8e56bac45 
dd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yuhki50 0:70c8e56bac45 1 #include "IRremote.h"
yuhki50 0:70c8e56bac45 2 #include "IRremoteInt.h"
yuhki50 0:70c8e56bac45 3
yuhki50 0:70c8e56bac45 4 //==============================================================================
yuhki50 0:70c8e56bac45 5 // W W H H Y Y N N TTTTT EEEEE RRRRR
yuhki50 0:70c8e56bac45 6 // W W H H Y Y NN N T E R R
yuhki50 0:70c8e56bac45 7 // W W W HHHHH Y N N N T EEE RRRR
yuhki50 0:70c8e56bac45 8 // W W W H H Y N NN T E R R
yuhki50 0:70c8e56bac45 9 // WWW H H Y N N T EEEEE R R
yuhki50 0:70c8e56bac45 10 //==============================================================================
yuhki50 0:70c8e56bac45 11
yuhki50 0:70c8e56bac45 12 #define WHYNTER_BITS 32
yuhki50 0:70c8e56bac45 13 #define WHYNTER_HDR_MARK 2850
yuhki50 0:70c8e56bac45 14 #define WHYNTER_HDR_SPACE 2850
yuhki50 0:70c8e56bac45 15 #define WHYNTER_BIT_MARK 750
yuhki50 0:70c8e56bac45 16 #define WHYNTER_ONE_MARK 750
yuhki50 0:70c8e56bac45 17 #define WHYNTER_ONE_SPACE 2150
yuhki50 0:70c8e56bac45 18 #define WHYNTER_ZERO_MARK 750
yuhki50 0:70c8e56bac45 19 #define WHYNTER_ZERO_SPACE 750
yuhki50 0:70c8e56bac45 20
yuhki50 0:70c8e56bac45 21 //+=============================================================================
yuhki50 0:70c8e56bac45 22 #if SEND_WHYNTER
yuhki50 0:70c8e56bac45 23 void IRsend::sendWhynter (unsigned long data, int nbits)
yuhki50 0:70c8e56bac45 24 {
yuhki50 0:70c8e56bac45 25 // Set IR carrier frequency
yuhki50 0:70c8e56bac45 26 enableIROut(38);
yuhki50 0:70c8e56bac45 27
yuhki50 0:70c8e56bac45 28 // Start
yuhki50 0:70c8e56bac45 29 mark(WHYNTER_ZERO_MARK);
yuhki50 0:70c8e56bac45 30 space(WHYNTER_ZERO_SPACE);
yuhki50 0:70c8e56bac45 31
yuhki50 0:70c8e56bac45 32 // Header
yuhki50 0:70c8e56bac45 33 mark(WHYNTER_HDR_MARK);
yuhki50 0:70c8e56bac45 34 space(WHYNTER_HDR_SPACE);
yuhki50 0:70c8e56bac45 35
yuhki50 0:70c8e56bac45 36 // Data
yuhki50 0:70c8e56bac45 37 for (unsigned long mask = 1UL << (nbits - 1); mask; mask >>= 1) {
yuhki50 0:70c8e56bac45 38 if (data & mask) {
yuhki50 0:70c8e56bac45 39 mark(WHYNTER_ONE_MARK);
yuhki50 0:70c8e56bac45 40 space(WHYNTER_ONE_SPACE);
yuhki50 0:70c8e56bac45 41 } else {
yuhki50 0:70c8e56bac45 42 mark(WHYNTER_ZERO_MARK);
yuhki50 0:70c8e56bac45 43 space(WHYNTER_ZERO_SPACE);
yuhki50 0:70c8e56bac45 44 }
yuhki50 0:70c8e56bac45 45 }
yuhki50 0:70c8e56bac45 46
yuhki50 0:70c8e56bac45 47 // Footer
yuhki50 0:70c8e56bac45 48 mark(WHYNTER_ZERO_MARK);
yuhki50 0:70c8e56bac45 49 space(WHYNTER_ZERO_SPACE); // Always end with the LED off
yuhki50 0:70c8e56bac45 50 }
yuhki50 0:70c8e56bac45 51 #endif
yuhki50 0:70c8e56bac45 52
yuhki50 0:70c8e56bac45 53 //+=============================================================================
yuhki50 0:70c8e56bac45 54 #if DECODE_WHYNTER
yuhki50 0:70c8e56bac45 55 bool IRrecv::decodeWhynter (decode_results *results)
yuhki50 0:70c8e56bac45 56 {
yuhki50 0:70c8e56bac45 57 long data = 0;
yuhki50 0:70c8e56bac45 58 int offset = 1; // skip initial space
yuhki50 0:70c8e56bac45 59
yuhki50 0:70c8e56bac45 60 // Check we have the right amount of data
yuhki50 0:70c8e56bac45 61 if (irparams.rawlen < (2 * WHYNTER_BITS) + 6) return false ;
yuhki50 0:70c8e56bac45 62
yuhki50 0:70c8e56bac45 63 // Sequence begins with a bit mark and a zero space
yuhki50 0:70c8e56bac45 64 if (!MATCH_MARK (results->rawbuf[offset++], WHYNTER_BIT_MARK )) return false ;
yuhki50 0:70c8e56bac45 65 if (!MATCH_SPACE(results->rawbuf[offset++], WHYNTER_ZERO_SPACE)) return false ;
yuhki50 0:70c8e56bac45 66
yuhki50 0:70c8e56bac45 67 // header mark and space
yuhki50 0:70c8e56bac45 68 if (!MATCH_MARK (results->rawbuf[offset++], WHYNTER_HDR_MARK )) return false ;
yuhki50 0:70c8e56bac45 69 if (!MATCH_SPACE(results->rawbuf[offset++], WHYNTER_HDR_SPACE)) return false ;
yuhki50 0:70c8e56bac45 70
yuhki50 0:70c8e56bac45 71 // data bits
yuhki50 0:70c8e56bac45 72 for (int i = 0; i < WHYNTER_BITS; i++) {
yuhki50 0:70c8e56bac45 73 if (!MATCH_MARK(results->rawbuf[offset++], WHYNTER_BIT_MARK)) return false ;
yuhki50 0:70c8e56bac45 74
yuhki50 0:70c8e56bac45 75 if (MATCH_SPACE(results->rawbuf[offset], WHYNTER_ONE_SPACE )) data = (data << 1) | 1 ;
yuhki50 0:70c8e56bac45 76 else if (MATCH_SPACE(results->rawbuf[offset], WHYNTER_ZERO_SPACE)) data = (data << 1) | 0 ;
yuhki50 0:70c8e56bac45 77 else return false ;
yuhki50 0:70c8e56bac45 78 offset++;
yuhki50 0:70c8e56bac45 79 }
yuhki50 0:70c8e56bac45 80
yuhki50 0:70c8e56bac45 81 // trailing mark
yuhki50 0:70c8e56bac45 82 if (!MATCH_MARK(results->rawbuf[offset], WHYNTER_BIT_MARK)) return false ;
yuhki50 0:70c8e56bac45 83
yuhki50 0:70c8e56bac45 84 // Success
yuhki50 0:70c8e56bac45 85 results->bits = WHYNTER_BITS;
yuhki50 0:70c8e56bac45 86 results->value = data;
yuhki50 0:70c8e56bac45 87 results->decode_type = WHYNTER;
yuhki50 0:70c8e56bac45 88 return true;
yuhki50 0:70c8e56bac45 89 }
yuhki50 0:70c8e56bac45 90 #endif
yuhki50 0:70c8e56bac45 91