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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
-
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