added outdoor temp 0xD1 - https://github.com/proddy/EMS-ESP/issues/220

src/ems-esp.cpp

@@ -103,7 +103,7 @@ static const command_t project_cmds[] PROGMEM = {
     {true, "tx_mode <n>", "changes Tx logic. 1=EMS generic, 2=EMS+, 3=HT3"},
 
     {false, "info", "show current values deciphered from the EMS messages"},
-    {false, "log <n | b | t | s | r | j | v>", "set logging mode to none, basic, thermostat only, solar module only, raw, jabber or verbose"},
+    {false, "log <n | b | t | s | r | j | v | number>", "set logging to none, basic, thermostat, solar module, raw, jabber, verbose or specific type"},
 
 #ifdef TESTS
     {false, "test <n>", "insert a test telegram on to the EMS bus"},

src/ems.cpp

@@ -48,6 +48,9 @@ void _process_UBATotalUptimeMessage(_EMS_RxTelegram * EMS_RxTelegram);
 void _process_UBAParametersMessage(_EMS_RxTelegram * EMS_RxTelegram);
 void _process_SetPoints(_EMS_RxTelegram * EMS_RxTelegram);
 
+// EMS+ specific
+void _process_UBAOutdoorTemp(_EMS_RxTelegram * EMS_RxTelegram);
+
 // SM10
 void _process_SM10Monitor(_EMS_RxTelegram * EMS_RxTelegram);
 
@@ -120,6 +123,9 @@ const _EMS_Type EMS_Types[] = {
     {EMS_TYPE_UBAParametersMessage, "UBAParametersMessage", _process_UBAParametersMessage},
     {EMS_TYPE_UBASetPoints, "UBASetPoints", _process_SetPoints},
 
+    // UBA/Boiler EMS+
+    {EMS_TYPE_UBAOutdoorTemp, "UBAOutdoorTemp", _process_UBAOutdoorTemp},
+
     // Solar Module devices
     {EMS_TYPE_SM10Monitor, "SM10Monitor", _process_SM10Monitor},
     {EMS_TYPE_SM100Monitor, "SM100Monitor", _process_SM100Monitor},
@@ -1307,9 +1313,12 @@ void _process_UBAMonitorFast(_EMS_RxTelegram * EMS_RxTelegram) {
 /**
  * UBAMonitorSlow - type 0x19 - central heating monitor part 2 (27 bytes long)
  * received every 60 seconds
+ * e.g. 08 00 19 00 80 00 02 41 80 00 00 00 00 00 03 91 7B 05 B8 40 00 00 00 04 92 AD 00 5E EE 80 00 (CRC=C9) #data=27
  */
 void _process_UBAMonitorSlow(_EMS_RxTelegram * EMS_RxTelegram) {
-    EMS_Boiler.extTemp = _toShort(0); // 0x8000 if not available
+    if (_toShort(0) != EMS_VALUE_USHORT_NOTSET) { // 0x8000 if not available
+        EMS_Boiler.extTemp = _toShort(0);
+    }
 
     // set boiler temp only if we actually have a real value
     if (_toShort(2) != EMS_VALUE_USHORT_NOTSET) {
@@ -1323,6 +1332,15 @@ void _process_UBAMonitorSlow(_EMS_RxTelegram * EMS_RxTelegram) {
     EMS_Boiler.switchTemp  = _toShort(25);
 }
 
+/**
+ * UBAOutdoorTemp - type 0xD1 - external temperature
+ */
+void _process_UBAOutdoorTemp(_EMS_RxTelegram * EMS_RxTelegram) {
+    if (_toShort(0) != EMS_VALUE_USHORT_NOTSET) { // 0x8000 if not available
+        EMS_Boiler.extTemp = _toShort(0);
+    }
+}
+
 /**
  * type 0xB1 - data from the RC10 thermostat (0x17)
  * For reading the temp values only

src/ems_devices.h

@@ -32,6 +32,9 @@
 #define EMS_TYPE_UBASetPoints 0x1A
 #define EMS_TYPE_UBAFunctionTest 0x1D
 
+// EMS+ specific
+#define EMS_TYPE_UBAOutdoorTemp 0xD1 // external temp
+
 #define EMS_OFFSET_UBAParameterWW_wwtemp 2                  // WW Temperature
 #define EMS_OFFSET_UBAParameterWW_wwactivated 1             // WW Activated
 #define EMS_OFFSET_UBAParameterWW_wwOneTime 0x00            // WW OneTime loading

src/ems_utils.cpp

@@ -108,7 +108,7 @@ char * _ushort_to_char(char * s, uint16_t value, uint8_t decimals) {
 }
 
 // takes a signed short value (2 bytes), converts to a fraction and prints it
-// decimals: 0 = no division, 1=divide value by 10, 2=divide by 2, 10=divide value by 100
+// decimals: 0=no division, 1=divide value by 10 (default), 2=divide by 2, 10=divide value by 100
 void _renderShortValue(const char * prefix, const char * postfix, int16_t value, uint8_t decimals) {
     static char buffer[200] = {0};
     static char s[20]       = {0};

src/test_data.h

@@ -54,7 +54,8 @@ static const char * TEST_DATA[] = {
     "88 00 19 00 00 DC 80 00 80 00 FF FF 00 00 00 21 9A 06 E1 7C 00 00 00 06 C2 13 00 1E 90 80 00", // test 49 - check max length
     "30 00 FF 00 02 8E 00 00 41 82 00 00 28 36 00 00 82 21",                                        // test 50 - SM100
     "10 00 FF 08 01 B9 26",                                                                         // test 51 - EMS+ 0x1B9 set temp
-    "10 00 F7 00 FF 01 B9 21 E9"                                                                    // test 52 - EMS+ 0x1B9 F7 test
+    "10 00 F7 00 FF 01 B9 21 E9",                                                                   // test 52 - EMS+ 0x1B9 F7 test
+    "08 00 D1 00 00 80"                                                                             // test 53 - outdoor temp
 
 
 };