100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
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#include "IRremote.h"
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//==============================================================================
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// JJJJJ V V CCCC
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// J V V C
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// J V V C
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// J J V V C
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// J V CCCC
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//==============================================================================
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#define JVC_BITS 16
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#define JVC_HEADER_MARK 8400
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#define JVC_HEADER_SPACE 4200
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#define JVC_BIT_MARK 600
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#define JVC_ONE_SPACE 1600
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#define JVC_ZERO_SPACE 550
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#define JVC_REPEAT_SPACE 50000
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//+=============================================================================
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// JVC does NOT repeat by sending a separate code (like NEC does).
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// The JVC protocol repeats by skipping the header.
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// To send a JVC repeat signal, send the original code value
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// and set 'repeat' to true
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//
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// JVC commands sometimes need to be sent two or three times with 40 to 60 ms pause in between.
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//
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#if SEND_JVC
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void IRsend::sendJVC(unsigned long data, int nbits, bool repeat) {
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// Set IR carrier frequency
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enableIROut(38);
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// Only send the Header if this is NOT a repeat command
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if (!repeat) {
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mark(JVC_HEADER_MARK);
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space(JVC_HEADER_SPACE);
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}
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// Data
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sendPulseDistanceWidthData(JVC_BIT_MARK, JVC_ONE_SPACE, JVC_BIT_MARK, JVC_ZERO_SPACE, data, nbits);
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// Footer
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mark(JVC_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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#if DECODE_JVC
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bool IRrecv::decodeJVC() {
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long data = 0;
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int offset = 1; // Skip first space
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// Check for repeat
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if ((results.rawlen - 1 == 33) && MATCH_MARK(results.rawbuf[offset], JVC_BIT_MARK)
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&& MATCH_MARK(results.rawbuf[results.rawlen - 1], JVC_BIT_MARK)) {
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results.bits = 0;
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results.value = REPEAT;
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results.isRepeat = true;
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results.decode_type = JVC;
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return true;
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}
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// Initial mark
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if (!MATCH_MARK(results.rawbuf[offset], JVC_HEADER_MARK)) {
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return false;
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}
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offset++;
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if (results.rawlen < (2 * JVC_BITS) + 1) {
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return false;
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}
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// Initial space
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if (!MATCH_SPACE(results.rawbuf[offset], JVC_HEADER_SPACE)) {
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return false;
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}
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offset++;
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data = decodePulseDistanceData(JVC_BITS, offset, JVC_BIT_MARK, JVC_ONE_SPACE, JVC_ZERO_SPACE);
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// Stop bit
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if (!MATCH_MARK(results.rawbuf[offset], JVC_BIT_MARK)) {
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return false;
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}
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// Success
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results.bits = JVC_BITS;
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results.value = data;
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results.decode_type = JVC;
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return true;
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}
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bool IRrecv::decodeJVC(decode_results *aResults) {
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bool aReturnValue = decodeJVC();
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*aResults = results;
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return aReturnValue;
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}
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#endif
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