Mikanum/IRremote/ir_Sony.cpp

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2023-01-19 08:45:51 +01:00
#include "IRremote.h"
#include "IRremoteInt.h"
//==============================================================================
// SSSS OOO N N Y Y
// S O O NN N Y Y
// SSS O O N N N Y
// S O O N NN Y
// SSSS OOO N N Y
//==============================================================================
#define SONY_BITS 12
#define SONY_HDR_MARK 2400
#define SONY_HDR_SPACE 600
#define SONY_ONE_MARK 1200
#define SONY_ZERO_MARK 600
#define SONY_RPT_LENGTH 45000
#define SONY_DOUBLE_SPACE_USECS 500 // usually ssee 713 - not using ticks as get number wrapround
//+=============================================================================
#if SEND_SONY
void IRsend::sendSony (unsigned long data, int nbits)
{
// Set IR carrier frequency
enableIROut(40);
// Header
mark(SONY_HDR_MARK);
space(SONY_HDR_SPACE);
// Data
for (unsigned long mask = 1UL << (nbits - 1); mask; mask >>= 1) {
if (data & mask) {
mark(SONY_ONE_MARK);
space(SONY_HDR_SPACE);
} else {
mark(SONY_ZERO_MARK);
space(SONY_HDR_SPACE);
}
}
// We will have ended with LED off
}
#endif
//+=============================================================================
#if DECODE_SONY
bool IRrecv::decodeSony (decode_results *results)
{
long data = 0;
int offset = 0; // Dont skip first space, check its size
if (irparams.rawlen < (2 * SONY_BITS) + 2) return false ;
// Some Sony's deliver repeats fast after first
// unfortunately can't spot difference from of repeat from two fast clicks
if (results->rawbuf[offset] < SONY_DOUBLE_SPACE_USECS) {
// Serial.print("IR Gap found: ");
results->bits = 0;
results->value = REPEAT;
# ifdef DECODE_SANYO
results->decode_type = SANYO;
# else
results->decode_type = UNKNOWN;
# endif
return true;
}
offset++;
// Initial mark
if (!MATCH_MARK(results->rawbuf[offset++], SONY_HDR_MARK)) return false ;
while (offset + 1 < irparams.rawlen) {
if (!MATCH_SPACE(results->rawbuf[offset++], SONY_HDR_SPACE)) break ;
if (MATCH_MARK(results->rawbuf[offset], SONY_ONE_MARK)) data = (data << 1) | 1 ;
else if (MATCH_MARK(results->rawbuf[offset], SONY_ZERO_MARK)) data = (data << 1) | 0 ;
else return false ;
offset++;
}
// Success
results->bits = (offset - 1) / 2;
if (results->bits < 12) {
results->bits = 0;
return false;
}
results->value = data;
results->decode_type = SONY;
return true;
}
#endif