Fully implemented Generic PushButton

Generic PushButton now used for all device control functions.

src/HomeSpan.cpp

@@ -24,8 +24,6 @@ void Span::begin(Category catID, char *displayName, char *hostNameBase, char *mo
   this->modelName=modelName;
   sprintf(this->category,"%d",catID);
   
-  pinMode(resetPin,INPUT_PULLUP);
-
   delay(2000);
  
   Serial.print("\n************************************************************\n"
@@ -35,7 +33,7 @@ void Span::begin(Category catID, char *displayName, char *hostNameBase, char *mo
                  "** Please ensure serial monitor is set to transmit <newlines>\n\n");
 
   Serial.print("Device Control:   Pin ");
-  Serial.print(resetPin);  
+  Serial.print(CONTROL_PIN);  
   Serial.print("\nHomeSpan Version: ");
   Serial.print(HOMESPAN_VERSION);
   Serial.print("\nESP-IDF Version:  ");
@@ -46,9 +44,9 @@ void Span::begin(Category catID, char *displayName, char *hostNameBase, char *mo
   Serial.print(__TIME__);
   Serial.print("\n\n");
 
-  if(!digitalRead(resetPin)){                       // factory reset pin is low upon start-up
+  if(!digitalRead(CONTROL_PIN)){                    // factory reset pin is low upon start-up
     nvs_flash_erase();                              // erase NVS storage
-    Serial.print("** FACTORY RESET PIN LOW!  ALL STORED DATA ERASED **\n\n");
+    Serial.print("** CONTROL BUTTON PRESSED DURING STARTUP!  ALL STORED DATA ERASED **\n\n");
     statusLED.start(100);
     delay(5000);
     Serial.print("Re-starting...\n\n");
@@ -79,6 +77,8 @@ void Span::poll() {
       statusLED.on();
     }
 
+    controlButton.reset();        
+
     Serial.print(displayName);
     Serial.print(" is READY!\n\n");
   }
@@ -150,38 +150,17 @@ void Span::poll() {
   HAPClient::checkNotifications();  
   HAPClient::checkTimedWrites();
 
-  switch(resetPressed){
+  if(controlButton.triggered(2000,10000)){
-    case 0:
+    if(controlButton.longPress()){
-      if(!digitalRead(resetPin)){
+      statusLED.start(200);
-        resetPressed=1;
+      delay(2000);
-        resetTime=millis()+5000;
-      }
-    break;
-
-    case 1:
-      if(digitalRead(resetPin)){
-        resetPressed=0;
-      } else 
-      if(millis()>resetTime){
-        resetPressed=2;
-        statusLED.start(200,0.5,4,800);
-        resetTime=millis()+6000;
-      }
-      break;
-
-    case 2:
-      if(digitalRead(resetPin)){
-        statusLED.off();
-        resetPressed=0;
-        processSerialCommand("U");        // UPAIR Device
-      } else
-      if(millis()>resetTime){
-        statusLED.on();
-        delay(1000);
       processSerialCommand("W");        // Delete WiFi Data and Restart      
+    } else {
+      statusLED.off();
+      controlButton.reset();
+      processSerialCommand("U");        // UPAIR Device
+    }
   }
-      break;
-  } // switch
     
 } // poll
 
@@ -222,10 +201,11 @@ void Span::initWifi(){
     
     network.scan();         // scan for networks    
     
-    resetPressed=0;   
     int status=-1;
     char key[2];
 
+    controlButton.reset();
+    
     while(status<1){                   // loop until a configuration method is chosen and completed
 
       if(status==-1){
@@ -243,19 +223,12 @@ void Span::initWifi(){
           Serial.print("\n");
         }
 
-        Serial.print("\nType 'W' <return> to set WiFi credentials or press control button for 3 seconds to start Access Point...\n\n");
+        Serial.print("\nType 'W <return>' to set WiFi credentials or press Control Button for 3 seconds to start Access Point...\n\n");
         status=0;
         sprintf(key,"");
       }
 
-      if(!resetPressed){
+      if(controlButton.triggered(9999,3000)){    
-        if(!digitalRead(resetPin)){
-          resetPressed=1;
-          resetTime=millis()+3000;          
-        }
-      } else if(digitalRead(resetPin)){
-        resetPressed=0;
-      } else if(millis()>resetTime){
         network.apConfigure(hostName);       
         status=1;
       }
@@ -299,6 +272,7 @@ void Span::initWifi(){
   int nTries=0;
   
   statusLED.start(1000);
+  controlButton.reset();
   
   while(WiFi.status()!=WL_CONNECTED){
     Serial.print("Connecting to: ");
@@ -309,23 +283,22 @@ void Span::initWifi(){
     if(WiFi.begin(network.wifiData.ssid,network.wifiData.pwd)!=WL_CONNECTED){
       int delayTime=nTries%6?5000:60000;
       char buf[8]="";
-      Serial.print("Can't connect. Re-trying in ");
+      Serial.print("Can't connect --- Re-trying in ");
       Serial.print(delayTime/1000);
-      Serial.print(" seconds (or type 'W <return>' to reset WiFi data)...\n");
+      Serial.print(" seconds. Type 'W <return>' or press Control Button for 3 seconds to reset WiFi data...\n");
       long sTime=millis();
+      
       while(millis()-sTime<delayTime){        
-        if(Serial.available()){
+        if(controlButton.triggered(9999,3000) || (Serial.available() && readSerial(buf,1) && (buf[0]=='W'))){
-          readSerial(buf,1);
+          statusLED.start(100);
-          if(buf[0]=='W'){
+          Serial.print("\n** Deleting WIFI Network Data **\n** Restarting...\n\n");
           nvs_erase_all(HAPClient::wifiNVS);
           nvs_commit(HAPClient::wifiNVS);      
-            Serial.print("\n** WIFI Network Data DELETED **\n** Restarting...\n\n");
           delay(2000);
           ESP.restart();
         }
       }
     }
-    }
   } // WiFi not yet connected
 
   Serial.print("Success!  IP:  ");

src/HomeSpan.h

@@ -51,12 +51,8 @@ struct Span{
   
   char *defaultSetupCode=(char *)DEFAULT_SETUP_CODE;    // default Setup Code upon factory reset; user will change to desired code when configuring network
 
-  int resetPin=21;                              // drive this pin low to "factory" reset NVS data on start-up
-  int resetPressed=0;                           // tracks pressing of reset button
-  unsigned long resetTime;                      // tracks time once reset button is pressed
-
   Blinker statusLED{LED_BUILTIN};                 // indicates HomeSpan status
-  PushButton controlButton{DEFAULT_CONTROL_PIN};    // controls HomeSpan configuration and resets
+  PushButton controlButton{CONTROL_PIN};          // controls HomeSpan configuration and resets
     
   SpanConfig hapConfig;                             // track configuration changes to the HAP Accessory database; used to increment the configuration number (c#) when changes found
   vector<SpanAccessory *> Accessories;              // vector of pointers to all Accessories
@@ -87,8 +83,6 @@ struct Span{
   void clearNotify(int slotNum);                                          // set ev notification flags for connection 'slotNum' to false across all characteristics 
   int sprintfNotify(SpanBuf *pObj, int nObj, char *cBuf, int conNum);     // prints notification JSON into buf based on SpanBuf objects and specified connection number
 
-  void setResetPin(int pin){resetPin=pin;}      // sets new pin to be used for factory reset
-
 };
 
 ///////////////////////////////

src/Settings.h

@@ -14,9 +14,9 @@ const char HOMESPAN_VERSION[]="1.0.0";
 const char DEFAULT_SETUP_CODE[]="46637726";  
 
 //////////////////////////////////////////////////////
-//           DEFAULT CONTROL BUTTON PIN             //
+//              CONTROL BUTTON PIN                  //
 
-const int DEFAULT_CONTROL_PIN=21;
+const int CONTROL_PIN=21;
 
 //////////////////////////////////////////////////////
 //   Maximum number of simultaenous IP connections  //