86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
#include "IRremote.h"
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#include "IRremoteInt.h"
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//==============================================================================
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// MMMMM IIIII TTTTT SSSS U U BBBB IIIII SSSS H H IIIII
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// M M M I T S U U B B I S H H I
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// M M M I T SSS U U BBBB I SSS HHHHH I
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// M M I T S U U B B I S H H I
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// M M IIIII T SSSS UUU BBBBB IIIII SSSS H H IIIII
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//==============================================================================
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// Looks like Sony except for timings, 48 chars of data and time/space different
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#define MITSUBISHI_BITS 16
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// Mitsubishi RM 75501
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// 14200 7 41 7 42 7 42 7 17 7 17 7 18 7 41 7 18 7 17 7 17 7 18 7 41 8 17 7 17 7 18 7 17 7
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// #define MITSUBISHI_HDR_MARK 250 // seen range 3500
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#define MITSUBISHI_HDR_SPACE 350 // 7*50+100
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#define MITSUBISHI_ONE_MARK 1950 // 41*50-100
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#define MITSUBISHI_ZERO_MARK 750 // 17*50-100
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// #define MITSUBISHI_DOUBLE_SPACE_USECS 800 // usually ssee 713 - not using ticks as get number wrapround
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// #define MITSUBISHI_RPT_LENGTH 45000
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//+=============================================================================
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#if DECODE_MITSUBISHI
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bool IRrecv::decodeMitsubishi (decode_results *results)
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{
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// Serial.print("?!? decoding Mitsubishi:");Serial.print(irparams.rawlen); Serial.print(" want "); Serial.println( 2 * MITSUBISHI_BITS + 2);
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long data = 0;
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if (irparams.rawlen < 2 * MITSUBISHI_BITS + 2) return false ;
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int offset = 0; // Skip first space
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// Initial space
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#if 0
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// 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
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Serial.print("IR Gap: ");
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Serial.println( results->rawbuf[offset]);
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Serial.println( "test against:");
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Serial.println(results->rawbuf[offset]);
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#endif
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#if 0
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// Not seeing double keys from Mitsubishi
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if (results->rawbuf[offset] < MITSUBISHI_DOUBLE_SPACE_USECS) {
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// Serial.print("IR Gap found: ");
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results->bits = 0;
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results->value = REPEAT;
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results->decode_type = MITSUBISHI;
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return true;
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}
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#endif
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offset++;
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// Typical
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// 14200 7 41 7 42 7 42 7 17 7 17 7 18 7 41 7 18 7 17 7 17 7 18 7 41 8 17 7 17 7 18 7 17 7
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// Initial Space
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if (!MATCH_MARK(results->rawbuf[offset], MITSUBISHI_HDR_SPACE)) return false ;
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offset++;
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while (offset + 1 < irparams.rawlen) {
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if (MATCH_MARK(results->rawbuf[offset], MITSUBISHI_ONE_MARK)) data = (data << 1) | 1 ;
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else if (MATCH_MARK(results->rawbuf[offset], MITSUBISHI_ZERO_MARK)) data <<= 1 ;
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else return false ;
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offset++;
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if (!MATCH_SPACE(results->rawbuf[offset], MITSUBISHI_HDR_SPACE)) break ;
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offset++;
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}
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// Success
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results->bits = (offset - 1) / 2;
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if (results->bits < MITSUBISHI_BITS) {
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results->bits = 0;
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return false;
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}
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results->value = data;
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results->decode_type = MITSUBISHI;
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return true;
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}
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#endif
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