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
+