DelonghiAc: Add basic send/decode support.

* sendDelonghiAc() & decodeDelonhiAc()
* Unit tests for the above.
* Tests include real-world data

For #1096

src/IRac.h

@@ -11,6 +11,7 @@
 #include "ir_Argo.h"
 #include "ir_Coolix.h"
 #include "ir_Daikin.h"
+#include "ir_Delonghi.h"
 #include "ir_Fujitsu.h"
 #include "ir_Electra.h"
 #include "ir_Goodweather.h"

src/IRrecv.cpp

@@ -789,6 +789,10 @@ bool IRrecv::decode(decode_results *results, irparams_t *save,
     DPRINTLN("Attempting Airwell decode");
     if (decodeAirwell(results, offset)) return true;
 #endif  // DECODE_AIRWELL
+#if DECODE_DELONGHI_AC
+    DPRINTLN("Attempting Delonghi AC decode");
+    if (decodeDelonghiAc(results, offset)) return true;
+#endif  // DECODE_DELONGHI_AC
   // Typically new protocols are added above this line.
   }
 #if DECODE_HASH

src/IRrecv.h

@@ -593,6 +593,11 @@ class IRrecv {
                      const uint16_t nbits = kAirwellBits,
                      const bool strict = true);
 #endif  // DECODE_AIRWELL
+#if DECODE_DELONGHI_AC
+  bool decodeDelonghiAc(decode_results *results, uint16_t offset = kStartOffset,
+                     const uint16_t nbits = kDelonghiAcBits,
+                     const bool strict = true);
+#endif  // DECODE_DELONGHI_AC
 };
 
 #endif  // IRRECV_H_

src/IRremoteESP8266.h

@@ -573,33 +573,40 @@
 #endif  // SEND_DAIKIN152
 
 #ifndef DECODE_EPSON
-#define DECODE_EPSON   _IR_ENABLE_DEFAULT_
+#define DECODE_EPSON           _IR_ENABLE_DEFAULT_
 #endif  // DECODE_EPSON
 #ifndef SEND_EPSON
-#define SEND_EPSON     _IR_ENABLE_DEFAULT_
+#define SEND_EPSON             _IR_ENABLE_DEFAULT_
 #endif  // SEND_EPSON
 
 #ifndef DECODE_SYMPHONY
-#define DECODE_SYMPHONY   _IR_ENABLE_DEFAULT_
+#define DECODE_SYMPHONY        _IR_ENABLE_DEFAULT_
 #endif  // DECODE_SYMPHONY
 #ifndef SEND_SYMPHONY
-#define SEND_SYMPHONY     _IR_ENABLE_DEFAULT_
+#define SEND_SYMPHONY          _IR_ENABLE_DEFAULT_
 #endif  // SEND_SYMPHONY
 
 #ifndef DECODE_DAIKIN64
-#define DECODE_DAIKIN64       _IR_ENABLE_DEFAULT_
+#define DECODE_DAIKIN64        _IR_ENABLE_DEFAULT_
 #endif  // DECODE_DAIKIN64
 #ifndef SEND_DAIKIN64
-#define SEND_DAIKIN64         _IR_ENABLE_DEFAULT_
+#define SEND_DAIKIN64          _IR_ENABLE_DEFAULT_
 #endif  // SEND_DAIKIN64
 
 #ifndef DECODE_AIRWELL
-#define DECODE_AIRWELL       _IR_ENABLE_DEFAULT_
+#define DECODE_AIRWELL         _IR_ENABLE_DEFAULT_
 #endif  // DECODE_AIRWELL
 #ifndef SEND_AIRWELL
-#define SEND_AIRWELL         _IR_ENABLE_DEFAULT_
+#define SEND_AIRWELL           _IR_ENABLE_DEFAULT_
 #endif  // SEND_AIRWELL
 
+#ifndef DECODE_DELONGHI_AC
+#define DECODE_DELONGHI_AC      _IR_ENABLE_DEFAULT_
+#endif  // DECODE_DELONGHI_AC
+#ifndef SEND_DELONGHI_AC
+#define SEND_DELONGHI_AC        _IR_ENABLE_DEFAULT_
+#endif  // SEND_DELONGHI_AC
+
 #if (DECODE_ARGO || DECODE_DAIKIN || DECODE_FUJITSU_AC || DECODE_GREE || \
      DECODE_KELVINATOR || DECODE_MITSUBISHI_AC || DECODE_TOSHIBA_AC || \
      DECODE_TROTEC || DECODE_HAIER_AC || DECODE_HITACHI_AC || \
@@ -727,8 +734,9 @@ enum decode_type_t {
   HITACHI_AC3,
   DAIKIN64,
   AIRWELL,
+  DELONGHI_AC,  // 80
   // Add new entries before this one, and update it to point to the last entry.
-  kLastDecodeType = AIRWELL,
+  kLastDecodeType = DELONGHI_AC,
 };
 
 // Message lengths & required repeat values
@@ -775,6 +783,8 @@ const uint16_t kDaikin176DefaultRepeat = kNoRepeat;
 const uint16_t kDaikin216StateLength = 27;
 const uint16_t kDaikin216Bits = kDaikin216StateLength * 8;
 const uint16_t kDaikin216DefaultRepeat = kNoRepeat;
+const uint16_t kDelonghiAcBits = 64;
+const uint16_t kDelonghiAcDefaultRepeat = kNoRepeat;
 const uint16_t kDenonBits = 15;
 const uint16_t kDenon48Bits = 48;
 const uint16_t kDenonLegacyBits = 14;

src/IRsend.cpp

@@ -689,6 +689,7 @@ uint16_t IRsend::defaultBits(const decode_type_t protocol) {
       return 56;
     case AMCOR:
     case PIONEER:
+    case DELONGHI_AC:
       return 64;
     case ARGO:
       return kArgoBits;
@@ -800,6 +801,11 @@ bool IRsend::send(const decode_type_t type, const uint64_t data,
       sendDaikin64(data, nbits, min_repeat);
       break;
 #endif
+#if SEND_DELONGHI_AC
+    case DELONGHI_AC:
+      sendDelonghiAc(data, nbits, min_repeat);
+      break;
+#endif
 #if SEND_DENON
     case DENON:
       sendDenon(data, nbits, min_repeat);

src/IRsend.h

@@ -573,6 +573,10 @@ class IRsend {
   void sendAirwell(uint64_t data, uint16_t nbits = kAirwellBits,
                    uint16_t repeat = kAirwellMinRepeats);
 #endif
+#if SEND_DELONGHI_AC
+  void sendDelonghiAc(uint64_t data, uint16_t nbits = kDelonghiAcBits,
+                      uint16_t repeat = kDelonghiAcDefaultRepeat);
+#endif
 
  protected:
 #ifdef UNIT_TEST

src/IRtext.cpp

@@ -247,4 +247,5 @@ const PROGMEM char *kAllProtocolNamesStr =
     D_STR_HITACHI_AC3 "\x0"
     D_STR_DAIKIN64 "\x0"
     D_STR_AIRWELL "\x0"
+    D_STR_DELONGHI_AC "\x0"
     "\x0";  // This string requires double null termination.

src/ir_Delonghi.cpp

@@ -0,0 +1,90 @@
+// Copyright 2020 David Conran
+
+#include "ir_Delonghi.h"
+#include "IRrecv.h"
+#include "IRsend.h"
+
+// Delonghi based protocol.
+
+
+const uint16_t kDelonghiAcHdrMark = 8984;
+const uint16_t kDelonghiAcBitMark = 572;
+const uint16_t kDelonghiAcHdrSpace = 4200;
+const uint16_t kDelonghiAcOneSpace = 1558;
+const uint16_t kDelonghiAcZeroSpace = 510;
+const uint32_t kDelonghiAcGap = kDefaultMessageGap;  // A totally made-up guess.
+const uint16_t kDelonghiAcFreq = 38000;  // Hz. (Guess: most common frequency.)
+const uint16_t kDelonghiAcOverhead = 3;
+
+
+#if SEND_DELONGHI_AC
+// Send an Delonghi AC formatted message.
+//
+// Args:
+//   data:   The message to be sent.
+//   nbits:  The number of bits of the message to be sent.
+//           Typically kDelonghiAcBits.
+//   repeat: The number of times the command is to be repeated.
+//
+// Status: Alpha / Yet to be tested on a real device.
+//
+// Ref:
+//  https://github.com/crankyoldgit/IRremoteESP8266/issues/1096
+void IRsend::sendDelonghiAc(const uint64_t data, const uint16_t nbits,
+                            const uint16_t repeat) {
+  sendGeneric(kDelonghiAcHdrMark, kDelonghiAcHdrSpace,
+              kDelonghiAcBitMark, kDelonghiAcOneSpace,
+              kDelonghiAcBitMark, kDelonghiAcZeroSpace,
+              kDelonghiAcBitMark, kDelonghiAcGap,
+              data, nbits, kDelonghiAcFreq, false,  // LSB First.
+              repeat, kDutyDefault);
+}
+#endif  // SEND_DELONGHI_AC
+
+#if DECODE_DELONGHI_AC
+// Decode the supplied DELONGHI_AC message.
+//
+// Args:
+//   results: Ptr to the data to decode and where to store the decode result.
+//   offset:  The starting index to use when attempting to decode the raw data.
+//            Typically/Defaults to kStartOffset.
+//   nbits:   The number of data bits to expect. Typically kDelonghiAcBits.
+//   strict:  Flag indicating if we should perform strict matching.
+// Returns:
+//   boolean: True if it can decode it, false if it can't.
+//
+// Status: BETA / Appears to be working.
+//
+// Ref:
+//   https://github.com/crankyoldgit/IRremoteESP8266/issues/1096
+bool IRrecv::decodeDelonghiAc(decode_results *results, uint16_t offset,
+                              const uint16_t nbits, const bool strict) {
+  if (results->rawlen < 2 * nbits + kDelonghiAcOverhead - offset)
+    return false;  // Too short a message to match.
+  if (strict && nbits != kDelonghiAcBits)
+    return false;
+
+  uint64_t data = 0;
+
+  // Header + Data + Footer
+  if (!matchGeneric(results->rawbuf + offset, &data,
+                    results->rawlen - offset, nbits,
+                    kDelonghiAcHdrMark, kDelonghiAcHdrSpace,
+                    kDelonghiAcBitMark, kDelonghiAcOneSpace,
+                    kDelonghiAcBitMark, kDelonghiAcZeroSpace,
+                    kDelonghiAcBitMark, kDelonghiAcGap, true,
+                    _tolerance, kMarkExcess, false)) return false;
+
+  // Compliance
+  // TODO(crankyoldgit): Enable this when written.
+  // if (strict && !IRDelonghiAc::validChecksum(data)) return false;
+
+  // Success
+  results->decode_type = decode_type_t::DELONGHI_AC;
+  results->bits = nbits;
+  results->value = data;
+  results->command = 0;
+  results->address = 0;
+  return true;
+}
+#endif  // DECODE_DELONGHI_AC

src/ir_Delonghi.h

@@ -0,0 +1,72 @@
+// Delonghi A/C
+//
+// Copyright 2020 David Conran
+
+#ifndef IR_DELONGHI_H_
+#define IR_DELONGHI_H_
+
+#define __STDC_LIMIT_MACROS
+#include <stdint.h>
+#ifndef UNIT_TEST
+#include <Arduino.h>
+#endif
+#include "IRremoteESP8266.h"
+#include "IRsend.h"
+#ifdef UNIT_TEST
+#include "IRsend_test.h"
+#endif
+
+// Supports:
+//   Brand: Delonghi,  Model: PAC A95
+
+// Ref:
+//   https://github.com/crankyoldgit/IRremoteESP8266/issues/1096
+
+// Kudos:
+//   TheMaxxz: For the breakdown and mapping of the bit values.
+
+// Constants
+
+// Classes
+class IRDelonghiAc {
+ public:
+  explicit IRDelonghiAc(const uint16_t pin, const bool inverted = false,
+                        const bool use_modulation = true);
+
+  void stateReset();
+#if SEND_DELONGHI_AC
+  void send(const uint16_t repeat = kDelonghiAcDefaultRepeat);
+  int8_t calibrate(void) { return _irsend.calibrate(); }
+#endif  // SEND_DELONGHI_AC
+  void begin();
+  static uint8_t calcChecksum(const uint64_t state);
+  static bool validChecksum(const uint64_t state);
+  void setPower(const bool state);
+  bool getPower();
+  void on();
+  void off();
+  void setTemp(const uint8_t temp);
+  uint8_t getTemp();
+  void setFan(const uint8_t speed);
+  uint8_t getFan();
+  void setMode(const uint8_t mode);
+  uint8_t getMode();
+  uint64_t getRaw();
+  void setRaw(const uint64_t state);
+  uint8_t convertMode(const stdAc::opmode_t mode);
+  uint8_t convertFan(const stdAc::fanspeed_t speed);
+  static stdAc::opmode_t toCommonMode(const uint8_t mode);
+  static stdAc::fanspeed_t toCommonFanSpeed(const uint8_t speed);
+  stdAc::state_t toCommon(void);
+  String toString();
+#ifndef UNIT_TEST
+
+ private:
+  IRsend _irsend;
+#else
+  IRsendTest _irsend;
+#endif
+  uint64_t remote_state;  // The state of the IR remote.
+  void checksum(void);
+};
+#endif  // IR_DELONGHI_H_

src/locale/defaults.h

@@ -492,6 +492,9 @@
 #endif  // D_STR_DAIKIN216
 #ifndef D_STR_DAIKIN64
 #define D_STR_DAIKIN64 "DAIKIN64"
+#ifndef D_STR_DELONGHI_AC
+#define D_STR_DELONGHI_AC "DELONGHI_AC"
+#endif  // D_STR_DELONGHI_AC
 #endif  // D_STR_DAIKIN64
 #ifndef D_STR_DENON
 #define D_STR_DENON "DENON"

test/Makefile

@@ -40,7 +40,7 @@ TESTS = IRutils_test IRsend_test ir_NEC_test ir_GlobalCache_test \
   ir_MWM_test ir_Vestel_test ir_Teco_test ir_Tcl_test ir_Lego_test IRac_test \
 	ir_MitsubishiHeavy_test ir_Trotec_test ir_Argo_test ir_Goodweather_test \
 	ir_Inax_test ir_Neoclima_test ir_Amcor_test ir_Epson_test ir_Symphony_test \
-  ir_Airwell_test
+  ir_Airwell_test ir_Delonghi_test
 
 # All Google Test headers.  Usually you shouldn't change this
 # definition.
@@ -86,7 +86,7 @@ PROTOCOLS = ir_NEC.o ir_Sony.o ir_Samsung.o ir_JVC.o ir_RCMM.o ir_RC5_RC6.o \
 	ir_Hitachi.o ir_GICable.o ir_Whirlpool.o ir_Lutron.o ir_Electra.o \
 	ir_Pioneer.o ir_MWM.o ir_Vestel.o ir_Teco.o ir_Tcl.o ir_Lego.o ir_Argo.o \
 	ir_Trotec.o ir_MitsubishiHeavy.o ir_Goodweather.o ir_Inax.o ir_Neoclima.o \
-  ir_Amcor.o ir_Epson.o ir_Symphony.o ir_Airwell.o
+  ir_Amcor.o ir_Epson.o ir_Symphony.o ir_Airwell.o ir_Delonghi.o
 
 # All the IR Protocol header files.
 PROTOCOLS_H = $(USER_DIR)/ir_Amcor.h \
@@ -100,6 +100,7 @@ PROTOCOLS_H = $(USER_DIR)/ir_Amcor.h \
 		$(USER_DIR)/ir_Midea.h \
 		$(USER_DIR)/ir_Toshiba.h \
 		$(USER_DIR)/ir_Daikin.h \
+		$(USER_DIR)/ir_Delonghi.h \
 		$(USER_DIR)/ir_Goodweather.h \
 		$(USER_DIR)/ir_Kelvinator.h \
 		$(USER_DIR)/ir_Mitsubishi.h \
@@ -651,3 +652,12 @@ ir_Airwell_test.o : ir_Airwell_test.cpp $(COMMON_TEST_DEPS) $(GTEST_HEADERS)
 
 ir_Airwell_test : $(COMMON_OBJ) ir_Airwell_test.o
 	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -lpthread $^ -o $@
+
+ir_Delonghi.o : $(USER_DIR)/ir_Delonghi.h $(USER_DIR)/ir_Delonghi.cpp $(COMMON_DEPS)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(INCLUDES) -c $(USER_DIR)/ir_Delonghi.cpp
+
+ir_Delonghi_test.o : ir_Delonghi_test.cpp $(COMMON_TEST_DEPS) $(GTEST_HEADERS)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(INCLUDES) -c ir_Delonghi_test.cpp
+
+ir_Delonghi_test : $(COMMON_OBJ) ir_Delonghi_test.o
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -lpthread $^ -o $@