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Copy pathir_JVC.cpp
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101 lines (84 loc) · 2.92 KB
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#include "IRremote.h"
#include "IRremoteInt.h"
//==============================================================================
// JJJJJ V V CCCC
// J V V C
// J V V C
// J J V V C
// J V CCCC
//==============================================================================
#define JVC_BITS 16
#define JVC_HDR_MARK 8000
#define JVC_HDR_SPACE 4000
#define JVC_BIT_MARK 600
#define JVC_ONE_SPACE 1600
#define JVC_ZERO_SPACE 550
#define JVC_RPT_LENGTH 60000
//+=============================================================================
// JVC does NOT repeat by sending a separate code (like NEC does).
// The JVC protocol repeats by skipping the header.
// To send a JVC repeat signal, send the original code value
// and set 'repeat' to true
//
#if SEND_JVC
void IRsend::sendJVC (unsigned long data, int nbits, bool repeat)
{
// Set IR carrier frequency
enableIROut(38);
// Only send the Header if this is NOT a repeat command
if (!repeat){
mark(JVC_HDR_MARK);
space(JVC_HDR_SPACE);
}
// Data
for (unsigned long mask = 1UL << (nbits - 1); mask; mask >>= 1) {
if (data & mask) {
mark(JVC_BIT_MARK);
space(JVC_ONE_SPACE);
} else {
mark(JVC_BIT_MARK);
space(JVC_ZERO_SPACE);
}
}
// Footer
mark(JVC_BIT_MARK);
space(0); // Always end with the LED off
}
#endif
//+=============================================================================
#if DECODE_JVC
bool IRrecv::decodeJVC (decode_results *results)
{
long data = 0;
int offset = 1; // Skip first space
// Check for repeat
if ( (irparams.rawlen - 1 == 33)
&& MATCH_MARK(results->rawbuf[offset], JVC_BIT_MARK)
&& MATCH_MARK(results->rawbuf[irparams.rawlen-1], JVC_BIT_MARK)
) {
results->bits = 0;
results->value = REPEAT;
results->decode_type = JVC;
return true;
}
// Initial mark
if (!MATCH_MARK(results->rawbuf[offset++], JVC_HDR_MARK)) return false ;
if (irparams.rawlen < (2 * JVC_BITS) + 1 ) return false ;
// Initial space
if (!MATCH_SPACE(results->rawbuf[offset++], JVC_HDR_SPACE)) return false ;
for (int i = 0; i < JVC_BITS; i++) {
if (!MATCH_MARK(results->rawbuf[offset++], JVC_BIT_MARK)) return false ;
if (MATCH_SPACE(results->rawbuf[offset], JVC_ONE_SPACE)) data = (data << 1) | 1 ;
else if (MATCH_SPACE(results->rawbuf[offset], JVC_ZERO_SPACE)) data = (data << 1) | 0 ;
else return false ;
offset++;
}
// Stop bit
if (!MATCH_MARK(results->rawbuf[offset], JVC_BIT_MARK)) return false ;
// Success
results->bits = JVC_BITS;
results->value = data;
results->decode_type = JVC;
return true;
}
#endif