93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
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#include "IRremote.h"
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#include "IRremoteInt.h"
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//==============================================================================
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// SSSS AAA MMM SSSS U U N N GGGG
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// S A A M M M S U U NN N G
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// SSS AAAAA M M M SSS U U N N N G GG
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// S A A M M S U U N NN G G
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// SSSS A A M M SSSS UUU N N GGG
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//==============================================================================
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#define SAMSUNG_BITS 32
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#define SAMSUNG_HDR_MARK 5000
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#define SAMSUNG_HDR_SPACE 5000
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#define SAMSUNG_BIT_MARK 560
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#define SAMSUNG_ONE_SPACE 1600
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#define SAMSUNG_ZERO_SPACE 560
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#define SAMSUNG_RPT_SPACE 2250
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//+=============================================================================
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#if SEND_SAMSUNG
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void IRsend::sendSAMSUNG (unsigned long data, int nbits)
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{
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// Set IR carrier frequency
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enableIROut(38);
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// Header
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mark(SAMSUNG_HDR_MARK);
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space(SAMSUNG_HDR_SPACE);
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// Data
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for (unsigned long mask = 1UL << (nbits - 1); mask; mask >>= 1) {
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if (data & mask) {
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mark(SAMSUNG_BIT_MARK);
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space(SAMSUNG_ONE_SPACE);
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} else {
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mark(SAMSUNG_BIT_MARK);
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space(SAMSUNG_ZERO_SPACE);
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}
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}
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// Footer
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mark(SAMSUNG_BIT_MARK);
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space(0); // Always end with the LED off
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}
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#endif
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//+=============================================================================
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// SAMSUNGs have a repeat only 4 items long
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//
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#if DECODE_SAMSUNG
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bool IRrecv::decodeSAMSUNG (decode_results *results)
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{
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long data = 0;
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int offset = 1; // Skip first space
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// Initial mark
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if (!MATCH_MARK(results->rawbuf[offset], SAMSUNG_HDR_MARK)) return false ;
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offset++;
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// Check for repeat
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if ( (irparams.rawlen == 4)
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&& MATCH_SPACE(results->rawbuf[offset], SAMSUNG_RPT_SPACE)
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&& MATCH_MARK(results->rawbuf[offset+1], SAMSUNG_BIT_MARK)
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) {
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results->bits = 0;
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results->value = REPEAT;
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results->decode_type = SAMSUNG;
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return true;
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}
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if (irparams.rawlen < (2 * SAMSUNG_BITS) + 4) return false ;
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// Initial space
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if (!MATCH_SPACE(results->rawbuf[offset++], SAMSUNG_HDR_SPACE)) return false ;
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for (int i = 0; i < SAMSUNG_BITS; i++) {
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if (!MATCH_MARK(results->rawbuf[offset++], SAMSUNG_BIT_MARK)) return false ;
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if (MATCH_SPACE(results->rawbuf[offset], SAMSUNG_ONE_SPACE)) data = (data << 1) | 1 ;
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else if (MATCH_SPACE(results->rawbuf[offset], SAMSUNG_ZERO_SPACE)) data = (data << 1) | 0 ;
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else return false ;
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offset++;
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}
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// Success
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results->bits = SAMSUNG_BITS;
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results->value = data;
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results->decode_type = SAMSUNG;
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return true;
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}
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#endif
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