Implemented TQuery to greatly reduce JSON traffic upon new client connections.

Arduino/BTCDieselHeater/BTCDieselHeater.ino

@@ -374,6 +374,8 @@ void setup() {
   NVstore.init();
   NVstore.load();
   initMQTTJSONmoderator();   // prevent JSON for MQTT unless requested
+  initTimerJSONmoderator();  // prevent JSON for timers unless requested
+
 
   KeyPad.begin(keyLeft_pin, keyRight_pin, keyCentre_pin, keyUp_pin, keyDown_pin);
   KeyPad.setCallback(parentKeyHandler);

Arduino/BTCDieselHeater/src/Utility/BTC_JSON.cpp

@@ -149,6 +149,13 @@ void interpretJsonCommand(char* pLine)
 		}
 		else if(strcmp("TimerRefresh", it->key) == 0) {
       TimerModerator.reset();
+		}
+		else if(strcmp("TQuery", it->key) == 0) {
+      int timerID = it->value.as<int>();
+      if(timerID)
+        TimerModerator.reset(timerID-1);
+      else 
+        TimerModerator.reset();
 		}
 		else if(strcmp("FanSensor", it->key) == 0) {
       setFanSensor(it->value.as<unsigned char>());
@@ -388,7 +395,8 @@ void updateJSONclients(bool report)
 void resetJSONmoderator()
 {
   JSONmoderator.reset();
-  TimerModerator.reset();
+  initTimerJSONmoderator();
+  initMQTTJSONmoderator();
 }
 
 void initMQTTJSONmoderator()
@@ -397,4 +405,10 @@ void initMQTTJSONmoderator()
   makeJSONStringMQTT(MQTTmoderator, jsonStr, sizeof(jsonStr));
 }
 
+void initTimerJSONmoderator()
+{
+  char jsonStr[800];
+  for(int tmr=0; tmr<14; tmr++) 
+    makeJSONTimerString(tmr, jsonStr, sizeof(jsonStr));
+}
 

Arduino/BTCDieselHeater/src/Utility/BTC_JSON.h

@@ -33,6 +33,7 @@ bool makeJSONTimerString(int channel, char* opStr, int len);
 void updateJSONclients(bool report);
 bool makeJSONStringMQTT(CModerator& moderator, char* opStr, int len);
 void initMQTTJSONmoderator();
+void initTimerJSONmoderator();
 
 template<class T>
 const char* createJSON(const char* name, T value)

Arduino/BTCDieselHeater/src/WiFi/BTCWebServer.cpp

@@ -20,7 +20,7 @@
  * 
  */
 
-//#define USE_EMBEDDED_WEBUPDATECODE    
+#define USE_EMBEDDED_WEBUPDATECODE    
 
 #include "BTCWebServer.h"
 #include "../Utility/DebugPort.h"
@@ -150,7 +150,7 @@ const char* updateIndex = R"=====(
   }
   function init() {
     ws = new WebSocket('ws://' + window.location.hostname + ':81/');
-   
+
     ws.onmessage = function(event){
       var response = JSON.parse(event.data);
       var key;
@@ -175,7 +175,7 @@ const char* updateIndex = R"=====(
 
     var JSONmsg = {};
     JSONmsg['UploadSize'] = sendSize;
-    var str = JSON.stringify(obj);
+    var str = JSON.stringify(JSONmsg);
     console.log("JSON Tx:", str);
     ws.send(str);