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_Sanyo.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 AAA N N Y Y OOO
yuhki50 0:70c8e56bac45 6 // S A A NN N Y Y O O
yuhki50 0:70c8e56bac45 7 // SSS AAAAA N N N Y O O
yuhki50 0:70c8e56bac45 8 // S A A N NN Y O O
yuhki50 0:70c8e56bac45 9 // SSSS A A N N Y OOO
yuhki50 0:70c8e56bac45 10 //==============================================================================
yuhki50 0:70c8e56bac45 11
yuhki50 0:70c8e56bac45 12 // I think this is a Sanyo decoder: Serial = SA 8650B
yuhki50 0:70c8e56bac45 13 // Looks like Sony except for timings, 48 chars of data and time/space different
yuhki50 0:70c8e56bac45 14
yuhki50 0:70c8e56bac45 15 #define SANYO_BITS 12
yuhki50 0:70c8e56bac45 16 #define SANYO_HDR_MARK 3500 // seen range 3500
yuhki50 0:70c8e56bac45 17 #define SANYO_HDR_SPACE 950 // seen 950
yuhki50 0:70c8e56bac45 18 #define SANYO_ONE_MARK 2400 // seen 2400
yuhki50 0:70c8e56bac45 19 #define SANYO_ZERO_MARK 700 // seen 700
yuhki50 0:70c8e56bac45 20 #define SANYO_DOUBLE_SPACE_USECS 800 // usually ssee 713 - not using ticks as get number wrapround
yuhki50 0:70c8e56bac45 21 #define SANYO_RPT_LENGTH 45000
yuhki50 0:70c8e56bac45 22
yuhki50 0:70c8e56bac45 23 //+=============================================================================
yuhki50 0:70c8e56bac45 24 #if DECODE_SANYO
yuhki50 0:70c8e56bac45 25 bool IRrecv::decodeSanyo (decode_results *results)
yuhki50 0:70c8e56bac45 26 {
yuhki50 0:70c8e56bac45 27 long data = 0;
yuhki50 0:70c8e56bac45 28 int offset = 0; // Skip first space <-- CHECK THIS!
yuhki50 0:70c8e56bac45 29
yuhki50 0:70c8e56bac45 30 if (irparams.rawlen < (2 * SANYO_BITS) + 2) return false ;
yuhki50 0:70c8e56bac45 31
yuhki50 0:70c8e56bac45 32 #if 0
yuhki50 0:70c8e56bac45 33 // Put this back in for debugging - note can't use #DEBUG as if Debug on we don't see the repeat cos of the delay
yuhki50 5:a4dfe2bb80b9 34 printf("IR Gap: %d\n", results->rawbuf[offset]);
yuhki50 5:a4dfe2bb80b9 35 printf("test against: %d\n", results->rawbuf[offset]);
yuhki50 0:70c8e56bac45 36 #endif
yuhki50 0:70c8e56bac45 37
yuhki50 0:70c8e56bac45 38 // Initial space
yuhki50 0:70c8e56bac45 39 if (results->rawbuf[offset] < SANYO_DOUBLE_SPACE_USECS) {
yuhki50 0:70c8e56bac45 40 //Serial.print("IR Gap found: ");
yuhki50 0:70c8e56bac45 41 results->bits = 0;
yuhki50 0:70c8e56bac45 42 results->value = REPEAT;
yuhki50 0:70c8e56bac45 43 results->decode_type = SANYO;
yuhki50 0:70c8e56bac45 44 return true;
yuhki50 0:70c8e56bac45 45 }
yuhki50 0:70c8e56bac45 46 offset++;
yuhki50 0:70c8e56bac45 47
yuhki50 0:70c8e56bac45 48 // Initial mark
yuhki50 0:70c8e56bac45 49 if (!MATCH_MARK(results->rawbuf[offset++], SANYO_HDR_MARK)) return false ;
yuhki50 0:70c8e56bac45 50
yuhki50 0:70c8e56bac45 51 // Skip Second Mark
yuhki50 0:70c8e56bac45 52 if (!MATCH_MARK(results->rawbuf[offset++], SANYO_HDR_MARK)) return false ;
yuhki50 0:70c8e56bac45 53
yuhki50 0:70c8e56bac45 54 while (offset + 1 < irparams.rawlen) {
yuhki50 0:70c8e56bac45 55 if (!MATCH_SPACE(results->rawbuf[offset++], SANYO_HDR_SPACE)) break ;
yuhki50 0:70c8e56bac45 56
yuhki50 0:70c8e56bac45 57 if (MATCH_MARK(results->rawbuf[offset], SANYO_ONE_MARK)) data = (data << 1) | 1 ;
yuhki50 0:70c8e56bac45 58 else if (MATCH_MARK(results->rawbuf[offset], SANYO_ZERO_MARK)) data = (data << 1) | 0 ;
yuhki50 0:70c8e56bac45 59 else return false ;
yuhki50 0:70c8e56bac45 60 offset++;
yuhki50 0:70c8e56bac45 61 }
yuhki50 0:70c8e56bac45 62
yuhki50 0:70c8e56bac45 63 // Success
yuhki50 0:70c8e56bac45 64 results->bits = (offset - 1) / 2;
yuhki50 0:70c8e56bac45 65 if (results->bits < 12) {
yuhki50 0:70c8e56bac45 66 results->bits = 0;
yuhki50 0:70c8e56bac45 67 return false;
yuhki50 0:70c8e56bac45 68 }
yuhki50 0:70c8e56bac45 69
yuhki50 0:70c8e56bac45 70 results->value = data;
yuhki50 0:70c8e56bac45 71 results->decode_type = SANYO;
yuhki50 0:70c8e56bac45 72 return true;
yuhki50 0:70c8e56bac45 73 }
yuhki50 0:70c8e56bac45 74 #endif