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_Aiwa.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 // AAA IIIII W W AAA
yuhki50 0:70c8e56bac45 6 // A A I W W A A
yuhki50 0:70c8e56bac45 7 // AAAAA I W W W AAAAA
yuhki50 0:70c8e56bac45 8 // A A I W W W A A
yuhki50 0:70c8e56bac45 9 // A A IIIII WWW A A
yuhki50 0:70c8e56bac45 10 //==============================================================================
yuhki50 0:70c8e56bac45 11
yuhki50 0:70c8e56bac45 12 // Based off the RC-T501 RCU
yuhki50 0:70c8e56bac45 13 // Lirc file http://lirc.sourceforge.net/remotes/aiwa/RC-T501
yuhki50 0:70c8e56bac45 14
yuhki50 0:70c8e56bac45 15 #define AIWA_RC_T501_HZ 38
yuhki50 0:70c8e56bac45 16 #define AIWA_RC_T501_BITS 15
yuhki50 0:70c8e56bac45 17 #define AIWA_RC_T501_PRE_BITS 26
yuhki50 0:70c8e56bac45 18 #define AIWA_RC_T501_POST_BITS 1
yuhki50 0:70c8e56bac45 19 #define AIWA_RC_T501_SUM_BITS (AIWA_RC_T501_PRE_BITS + AIWA_RC_T501_BITS + AIWA_RC_T501_POST_BITS)
yuhki50 0:70c8e56bac45 20 #define AIWA_RC_T501_HDR_MARK 8800
yuhki50 0:70c8e56bac45 21 #define AIWA_RC_T501_HDR_SPACE 4500
yuhki50 0:70c8e56bac45 22 #define AIWA_RC_T501_BIT_MARK 500
yuhki50 0:70c8e56bac45 23 #define AIWA_RC_T501_ONE_SPACE 600
yuhki50 0:70c8e56bac45 24 #define AIWA_RC_T501_ZERO_SPACE 1700
yuhki50 0:70c8e56bac45 25
yuhki50 0:70c8e56bac45 26 //+=============================================================================
yuhki50 0:70c8e56bac45 27 #if SEND_AIWA_RC_T501
yuhki50 0:70c8e56bac45 28 void IRsend::sendAiwaRCT501 (int code)
yuhki50 0:70c8e56bac45 29 {
yuhki50 0:70c8e56bac45 30 unsigned long pre = 0x0227EEC0; // 26-bits
yuhki50 0:70c8e56bac45 31
yuhki50 0:70c8e56bac45 32 // Set IR carrier frequency
yuhki50 0:70c8e56bac45 33 enableIROut(AIWA_RC_T501_HZ);
yuhki50 0:70c8e56bac45 34
yuhki50 0:70c8e56bac45 35 // Header
yuhki50 0:70c8e56bac45 36 mark(AIWA_RC_T501_HDR_MARK);
yuhki50 0:70c8e56bac45 37 space(AIWA_RC_T501_HDR_SPACE);
yuhki50 0:70c8e56bac45 38
yuhki50 0:70c8e56bac45 39 // Send "pre" data
yuhki50 0:70c8e56bac45 40 for (unsigned long mask = 1UL << (26 - 1); mask; mask >>= 1) {
yuhki50 0:70c8e56bac45 41 mark(AIWA_RC_T501_BIT_MARK);
yuhki50 0:70c8e56bac45 42 if (pre & mask) space(AIWA_RC_T501_ONE_SPACE) ;
yuhki50 0:70c8e56bac45 43 else space(AIWA_RC_T501_ZERO_SPACE) ;
yuhki50 0:70c8e56bac45 44 }
yuhki50 0:70c8e56bac45 45
yuhki50 0:70c8e56bac45 46 //-v- THIS CODE LOOKS LIKE IT MIGHT BE WRONG - CHECK!
yuhki50 0:70c8e56bac45 47 // it only send 15bits and ignores the top bit
yuhki50 0:70c8e56bac45 48 // then uses TOPBIT which is 0x80000000 to check the bit code
yuhki50 0:70c8e56bac45 49 // I suspect TOPBIT should be changed to 0x00008000
yuhki50 0:70c8e56bac45 50
yuhki50 0:70c8e56bac45 51 // Skip first code bit
yuhki50 0:70c8e56bac45 52 code <<= 1;
yuhki50 0:70c8e56bac45 53 // Send code
yuhki50 0:70c8e56bac45 54 for (int i = 0; i < 15; i++) {
yuhki50 0:70c8e56bac45 55 mark(AIWA_RC_T501_BIT_MARK);
yuhki50 0:70c8e56bac45 56 if (code & 0x80000000) space(AIWA_RC_T501_ONE_SPACE) ;
yuhki50 0:70c8e56bac45 57 else space(AIWA_RC_T501_ZERO_SPACE) ;
yuhki50 0:70c8e56bac45 58 code <<= 1;
yuhki50 0:70c8e56bac45 59 }
yuhki50 0:70c8e56bac45 60
yuhki50 0:70c8e56bac45 61 //-^- THIS CODE LOOKS LIKE IT MIGHT BE WRONG - CHECK!
yuhki50 0:70c8e56bac45 62
yuhki50 0:70c8e56bac45 63 // POST-DATA, 1 bit, 0x0
yuhki50 0:70c8e56bac45 64 mark(AIWA_RC_T501_BIT_MARK);
yuhki50 0:70c8e56bac45 65 space(AIWA_RC_T501_ZERO_SPACE);
yuhki50 0:70c8e56bac45 66
yuhki50 0:70c8e56bac45 67 mark(AIWA_RC_T501_BIT_MARK);
yuhki50 0:70c8e56bac45 68 space(0);
yuhki50 0:70c8e56bac45 69 }
yuhki50 0:70c8e56bac45 70 #endif
yuhki50 0:70c8e56bac45 71
yuhki50 0:70c8e56bac45 72 //+=============================================================================
yuhki50 0:70c8e56bac45 73 #if DECODE_AIWA_RC_T501
yuhki50 0:70c8e56bac45 74 bool IRrecv::decodeAiwaRCT501 (decode_results *results)
yuhki50 0:70c8e56bac45 75 {
yuhki50 0:70c8e56bac45 76 int data = 0;
yuhki50 0:70c8e56bac45 77 int offset = 1;
yuhki50 0:70c8e56bac45 78
yuhki50 0:70c8e56bac45 79 // Check SIZE
yuhki50 0:70c8e56bac45 80 if (irparams.rawlen < 2 * (AIWA_RC_T501_SUM_BITS) + 4) return false ;
yuhki50 0:70c8e56bac45 81
yuhki50 0:70c8e56bac45 82 // Check HDR Mark/Space
yuhki50 0:70c8e56bac45 83 if (!MATCH_MARK (results->rawbuf[offset++], AIWA_RC_T501_HDR_MARK )) return false ;
yuhki50 0:70c8e56bac45 84 if (!MATCH_SPACE(results->rawbuf[offset++], AIWA_RC_T501_HDR_SPACE)) return false ;
yuhki50 0:70c8e56bac45 85
yuhki50 0:70c8e56bac45 86 offset += 26; // skip pre-data - optional
yuhki50 0:70c8e56bac45 87 while(offset < irparams.rawlen - 4) {
yuhki50 0:70c8e56bac45 88 if (MATCH_MARK(results->rawbuf[offset], AIWA_RC_T501_BIT_MARK)) offset++ ;
yuhki50 0:70c8e56bac45 89 else return false ;
yuhki50 0:70c8e56bac45 90
yuhki50 0:70c8e56bac45 91 // ONE & ZERO
yuhki50 0:70c8e56bac45 92 if (MATCH_SPACE(results->rawbuf[offset], AIWA_RC_T501_ONE_SPACE)) data = (data << 1) | 1 ;
yuhki50 0:70c8e56bac45 93 else if (MATCH_SPACE(results->rawbuf[offset], AIWA_RC_T501_ZERO_SPACE)) data = (data << 1) | 0 ;
yuhki50 0:70c8e56bac45 94 else break ; // End of one & zero detected
yuhki50 0:70c8e56bac45 95 offset++;
yuhki50 0:70c8e56bac45 96 }
yuhki50 0:70c8e56bac45 97
yuhki50 0:70c8e56bac45 98 results->bits = (offset - 1) / 2;
yuhki50 0:70c8e56bac45 99 if (results->bits < 42) return false ;
yuhki50 0:70c8e56bac45 100
yuhki50 0:70c8e56bac45 101 results->value = data;
yuhki50 0:70c8e56bac45 102 results->decode_type = AIWA_RC_T501;
yuhki50 0:70c8e56bac45 103 return true;
yuhki50 0:70c8e56bac45 104 }
yuhki50 0:70c8e56bac45 105 #endif