Infrared remote library for Arduino: send and receive infrared signals with multiple protocols Port from Arduino-IRremote https://github.com/z3t0/Arduino-IRremote
Diff: ir_Mitsubishi.cpp
- Revision:
- 0:70c8e56bac45
- Child:
- 5:a4dfe2bb80b9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ir_Mitsubishi.cpp Sat Jan 23 06:16:48 2016 +0000 @@ -0,0 +1,85 @@ +#include "IRremote.h" +#include "IRremoteInt.h" + +//============================================================================== +// MMMMM IIIII TTTTT SSSS U U BBBB IIIII SSSS H H IIIII +// M M M I T S U U B B I S H H I +// M M M I T SSS U U BBBB I SSS HHHHH I +// M M I T S U U B B I S H H I +// M M IIIII T SSSS UUU BBBBB IIIII SSSS H H IIIII +//============================================================================== + +// Looks like Sony except for timings, 48 chars of data and time/space different + +#define MITSUBISHI_BITS 16 + +// Mitsubishi RM 75501 +// 14200 7 41 7 42 7 42 7 17 7 17 7 18 7 41 7 18 7 17 7 17 7 18 7 41 8 17 7 17 7 18 7 17 7 +// #define MITSUBISHI_HDR_MARK 250 // seen range 3500 +#define MITSUBISHI_HDR_SPACE 350 // 7*50+100 +#define MITSUBISHI_ONE_MARK 1950 // 41*50-100 +#define MITSUBISHI_ZERO_MARK 750 // 17*50-100 +// #define MITSUBISHI_DOUBLE_SPACE_USECS 800 // usually ssee 713 - not using ticks as get number wrapround +// #define MITSUBISHI_RPT_LENGTH 45000 + +//+============================================================================= +#if DECODE_MITSUBISHI +bool IRrecv::decodeMitsubishi (decode_results *results) +{ + // Serial.print("?!? decoding Mitsubishi:");Serial.print(irparams.rawlen); Serial.print(" want "); Serial.println( 2 * MITSUBISHI_BITS + 2); + long data = 0; + if (irparams.rawlen < 2 * MITSUBISHI_BITS + 2) return false ; + int offset = 0; // Skip first space + // Initial space + +#if 0 + // Put this back in for debugging - note can't use #DEBUG as if Debug on we don't see the repeat cos of the delay + Serial.print("IR Gap: "); + Serial.println( results->rawbuf[offset]); + Serial.println( "test against:"); + Serial.println(results->rawbuf[offset]); +#endif + +#if 0 + // Not seeing double keys from Mitsubishi + if (results->rawbuf[offset] < MITSUBISHI_DOUBLE_SPACE_USECS) { + // Serial.print("IR Gap found: "); + results->bits = 0; + results->value = REPEAT; + results->decode_type = MITSUBISHI; + return true; + } +#endif + + offset++; + + // Typical + // 14200 7 41 7 42 7 42 7 17 7 17 7 18 7 41 7 18 7 17 7 17 7 18 7 41 8 17 7 17 7 18 7 17 7 + + // Initial Space + if (!MATCH_MARK(results->rawbuf[offset], MITSUBISHI_HDR_SPACE)) return false ; + offset++; + + while (offset + 1 < irparams.rawlen) { + if (MATCH_MARK(results->rawbuf[offset], MITSUBISHI_ONE_MARK)) data = (data << 1) | 1 ; + else if (MATCH_MARK(results->rawbuf[offset], MITSUBISHI_ZERO_MARK)) data <<= 1 ; + else return false ; + offset++; + + if (!MATCH_SPACE(results->rawbuf[offset], MITSUBISHI_HDR_SPACE)) break ; + offset++; + } + + // Success + results->bits = (offset - 1) / 2; + if (results->bits < MITSUBISHI_BITS) { + results->bits = 0; + return false; + } + + results->value = data; + results->decode_type = MITSUBISHI; + return true; +} +#endif +