moved out doc, referencing BBQKees' wiki

doc/MQTT.md

@@ -0,0 +1,55 @@
+## **MQTT commands**
+
+All commands must be written as `{"cmd":<cmd> ,"data":<data>, "id":<n>}`. 
+
+The `id` can be replaced with `hc` for some devices that use heating circuits, and represented either as a string or a number. `cmd` is a string, `data` can be a string or number.
+
+topic = *boiler_cmd*
+```
+  comfort <hot, eco, intelligent>
+  flowtemp <degrees>
+  wwtemp <degrees>
+  boilhyston <degrees> (negative value)
+  boilhystoff <degrees> (positive value)
+  burnperiod <minutes>
+  burnminpower <%>
+  burnmaxpower <%>
+  pumpdelay <minutes>
+```
+
+topic = *thermostat_cmd*
+```
+--- without hc ---
+  wwmode <off | on | auto>
+  calinttemp <degrees>
+  minexttemp <degrees>
+  building <light | medium | heavy>
+  language <n> (0=de, 1=nl, 2=fr, 3=it) only RC30
+  display <n>  (0=int temp, 1= int set, 2=ext. temp, 3=burner, 4=ww, 5=mode, 6=time, 7=date, 8=smoke) only RC30
+  clockoffset <seconds>  (only RC30)
+
+--- with hc ---
+  mode <auto | night | day | nofrost | heat | eco>
+  temp <degrees>
+  nighttemp <degrees>
+  daytemp <degrees>
+  nofrosttemp <degrees>
+  ecotemp <degrees>
+  heattemp <degrees>
+  summertemp <degrees>
+  designtemp <degrees>
+  offsettemp <degrees>
+  holidaytemp <degrees>
+  remotetemp <degrees>
+  control <0 | 1 | 2>
+  pause <hours>
+  party <hours>
+  holiday <dd.mm.yyyy-dd.mm.yyyy>
+  date <NTP | hh:mm:ss-dd.mm.yyyy-dw-dst>
+```
+
+topic = *system_cmd*
+```
+  send <"0B XX XX ..">
+  pin <gpio> <on|off|1|0|true|false>
+```