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_Sony.cpp@5:a4dfe2bb80b9, 2016-01-23 (annotated)

Committer:
yuhki50
Date:
Sat Jan 23 15:58:10 2016 +0000
Revision:
5:a4dfe2bb80b9
Parent:
0:70c8e56bac45 
Serial.print to printf

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 // SSSS OOO N N Y Y
yuhki50 0:70c8e56bac45 6 // S O O NN N Y Y
yuhki50 0:70c8e56bac45 7 // SSS O O N N N Y
yuhki50 0:70c8e56bac45 8 // S O O N NN Y
yuhki50 0:70c8e56bac45 9 // SSSS OOO N N Y
yuhki50 0:70c8e56bac45 10 //==============================================================================
yuhki50 0:70c8e56bac45 11
yuhki50 0:70c8e56bac45 12 #define SONY_BITS 12
yuhki50 0:70c8e56bac45 13 #define SONY_HDR_MARK 2400
yuhki50 0:70c8e56bac45 14 #define SONY_HDR_SPACE 600
yuhki50 0:70c8e56bac45 15 #define SONY_ONE_MARK 1200
yuhki50 0:70c8e56bac45 16 #define SONY_ZERO_MARK 600
yuhki50 0:70c8e56bac45 17 #define SONY_RPT_LENGTH 45000
yuhki50 0:70c8e56bac45 18 #define SONY_DOUBLE_SPACE_USECS 500 // usually ssee 713 - not using ticks as get number wrapround
yuhki50 0:70c8e56bac45 19
yuhki50 0:70c8e56bac45 20 //+=============================================================================
yuhki50 0:70c8e56bac45 21 #if SEND_SONY
yuhki50 0:70c8e56bac45 22 void IRsend::sendSony (unsigned long data, int nbits)
yuhki50 0:70c8e56bac45 23 {
yuhki50 0:70c8e56bac45 24 // Set IR carrier frequency
yuhki50 0:70c8e56bac45 25 enableIROut(40);
yuhki50 0:70c8e56bac45 26
yuhki50 0:70c8e56bac45 27 // Header
yuhki50 0:70c8e56bac45 28 mark(SONY_HDR_MARK);
yuhki50 0:70c8e56bac45 29 space(SONY_HDR_SPACE);
yuhki50 0:70c8e56bac45 30
yuhki50 0:70c8e56bac45 31 // Data
yuhki50 0:70c8e56bac45 32 for (unsigned long mask = 1UL << (nbits - 1); mask; mask >>= 1) {
yuhki50 0:70c8e56bac45 33 if (data & mask) {
yuhki50 0:70c8e56bac45 34 mark(SONY_ONE_MARK);
yuhki50 0:70c8e56bac45 35 space(SONY_HDR_SPACE);
yuhki50 0:70c8e56bac45 36 } else {
yuhki50 0:70c8e56bac45 37 mark(SONY_ZERO_MARK);
yuhki50 0:70c8e56bac45 38 space(SONY_HDR_SPACE);
yuhki50 0:70c8e56bac45 39 }
yuhki50 0:70c8e56bac45 40 }
yuhki50 0:70c8e56bac45 41
yuhki50 0:70c8e56bac45 42 // We will have ended with LED off
yuhki50 0:70c8e56bac45 43 }
yuhki50 0:70c8e56bac45 44 #endif
yuhki50 0:70c8e56bac45 45
yuhki50 0:70c8e56bac45 46 //+=============================================================================
yuhki50 0:70c8e56bac45 47 #if DECODE_SONY
yuhki50 0:70c8e56bac45 48 bool IRrecv::decodeSony (decode_results *results)
yuhki50 0:70c8e56bac45 49 {
yuhki50 0:70c8e56bac45 50 long data = 0;
yuhki50 0:70c8e56bac45 51 int offset = 0; // Dont skip first space, check its size
yuhki50 0:70c8e56bac45 52
yuhki50 0:70c8e56bac45 53 if (irparams.rawlen < (2 * SONY_BITS) + 2) return false ;
yuhki50 0:70c8e56bac45 54
yuhki50 0:70c8e56bac45 55 // Some Sony's deliver repeats fast after first
yuhki50 0:70c8e56bac45 56 // unfortunately can't spot difference from of repeat from two fast clicks
yuhki50 0:70c8e56bac45 57 if (results->rawbuf[offset] < SONY_DOUBLE_SPACE_USECS) {
yuhki50 0:70c8e56bac45 58 results->bits = 0;
yuhki50 0:70c8e56bac45 59 results->value = REPEAT;
yuhki50 0:70c8e56bac45 60
yuhki50 0:70c8e56bac45 61 # ifdef DECODE_SANYO
yuhki50 0:70c8e56bac45 62 results->decode_type = SANYO;
yuhki50 0:70c8e56bac45 63 # else
yuhki50 0:70c8e56bac45 64 results->decode_type = UNKNOWN;
yuhki50 0:70c8e56bac45 65 # endif
yuhki50 0:70c8e56bac45 66
yuhki50 0:70c8e56bac45 67 return true;
yuhki50 0:70c8e56bac45 68 }
yuhki50 0:70c8e56bac45 69 offset++;
yuhki50 0:70c8e56bac45 70
yuhki50 0:70c8e56bac45 71 // Initial mark
yuhki50 0:70c8e56bac45 72 if (!MATCH_MARK(results->rawbuf[offset++], SONY_HDR_MARK)) return false ;
yuhki50 0:70c8e56bac45 73
yuhki50 0:70c8e56bac45 74 while (offset + 1 < irparams.rawlen) {
yuhki50 0:70c8e56bac45 75 if (!MATCH_SPACE(results->rawbuf[offset++], SONY_HDR_SPACE)) break ;
yuhki50 0:70c8e56bac45 76
yuhki50 0:70c8e56bac45 77 if (MATCH_MARK(results->rawbuf[offset], SONY_ONE_MARK)) data = (data << 1) | 1 ;
yuhki50 0:70c8e56bac45 78 else if (MATCH_MARK(results->rawbuf[offset], SONY_ZERO_MARK)) data = (data << 1) | 0 ;
yuhki50 0:70c8e56bac45 79 else return false ;
yuhki50 0:70c8e56bac45 80 offset++;
yuhki50 0:70c8e56bac45 81 }
yuhki50 0:70c8e56bac45 82
yuhki50 0:70c8e56bac45 83 // Success
yuhki50 0:70c8e56bac45 84 results->bits = (offset - 1) / 2;
yuhki50 0:70c8e56bac45 85 if (results->bits < 12) {
yuhki50 0:70c8e56bac45 86 results->bits = 0;
yuhki50 0:70c8e56bac45 87 return false;
yuhki50 0:70c8e56bac45 88 }
yuhki50 0:70c8e56bac45 89 results->value = data;
yuhki50 0:70c8e56bac45 90 results->decode_type = SONY;
yuhki50 0:70c8e56bac45 91 return true;
yuhki50 0:70c8e56bac45 92 }
yuhki50 0:70c8e56bac45 93 #endif
yuhki50 0:70c8e56bac45 94