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Copy pathir_LG.cpp
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80 lines (66 loc) · 2.42 KB
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#include "IRremote.h"
#include "IRremoteInt.h"
//==============================================================================
// L GGGG
// L G
// L G GG
// L G G
// LLLLL GGG
//==============================================================================
#define LG_BITS 28
#define LG_HDR_MARK 8000
#define LG_HDR_SPACE 4000
#define LG_BIT_MARK 600
#define LG_ONE_SPACE 1600
#define LG_ZERO_SPACE 550
#define LG_RPT_LENGTH 60000
//+=============================================================================
#if DECODE_LG
bool IRrecv::decodeLG (decode_results *results)
{
long data = 0;
int offset = 1; // Skip first space
// Check we have the right amount of data
if (irparams.rawlen < (2 * LG_BITS) + 1 ) return false ;
// Initial mark/space
if (!MATCH_MARK(results->rawbuf[offset++], LG_HDR_MARK)) return false ;
if (!MATCH_SPACE(results->rawbuf[offset++], LG_HDR_SPACE)) return false ;
for (int i = 0; i < LG_BITS; i++) {
if (!MATCH_MARK(results->rawbuf[offset++], LG_BIT_MARK)) return false ;
if (MATCH_SPACE(results->rawbuf[offset], LG_ONE_SPACE)) data = (data << 1) | 1 ;
else if (MATCH_SPACE(results->rawbuf[offset], LG_ZERO_SPACE)) data = (data << 1) | 0 ;
else return false ;
offset++;
}
// Stop bit
if (!MATCH_MARK(results->rawbuf[offset], LG_BIT_MARK)) return false ;
// Success
results->bits = LG_BITS;
results->value = data;
results->decode_type = LG;
return true;
}
#endif
//+=============================================================================
#if SEND_LG
void IRsend::sendLG (unsigned long data, int nbits)
{
// Set IR carrier frequency
enableIROut(38);
// Header
mark(LG_HDR_MARK);
space(LG_HDR_SPACE);
mark(LG_BIT_MARK);
// Data
for (unsigned long mask = 1UL << (nbits - 1); mask; mask >>= 1) {
if (data & mask) {
space(LG_ONE_SPACE);
mark(LG_BIT_MARK);
} else {
space(LG_ZERO_SPACE);
mark(LG_BIT_MARK);
}
}
space(0); // Always end with the LED off
}
#endif