firmware wip - ntpOffset now byte , add wipe function, let the user restart the device at any point

Arduino/CanGrow/CanGrow.ino

@@ -80,7 +80,7 @@ char WebUiPassword[32] = "cangrow";
 // configured - if false, let the user configure system settings first
 bool configured = false;
 // NTP Offset
-int ntpOffset;
+byte ntpOffset;
 // MoistureSensor_Type - contains which moisture sensor to use
 // 1: analog capacitive sensor
 // 2: I2C chirp sensor from catnip electronics
@@ -314,7 +314,7 @@ const char HTMLsuccess[] PROGMEM = R"EOF(
 
 const char HTMLneedRestart[] PROGMEM = R"EOF(
 <div class='warnmsg'>Restart is required to apply new WiFi settings!
-<form action="/restart">
+<form action="/system/restart">
     <input type="submit" value="Restart now" />
 </form>
 </div>
@@ -998,8 +998,8 @@ void loop() {
   // first we call webserver handle client
   webserver.handleClient();
   
-  // do every second
+  // do every second when everything is configured
-  if(currentRuntime - outputPrevTime >= 1000) {
+  if( (configured == true) && (strlen(GrowName) > 0) && (currentRuntime - outputPrevTime >= 1000) ){
     // debug output
     Serial.print("secondsSunrise: ");
     Serial.println(secondsSunrise);
@@ -1058,7 +1058,9 @@ void WebHandler() {
   webserver.on("/help", HTTP_GET, WEBhelp);
   
   // restart when NeedRestart is true
-  webserver.on("/restart", HTTP_GET, WebRestart);
+  webserver.on("/system/restart", HTTP_GET, SysRestart);
+  // wipe eeprom triggered from WebGui
+  webserver.on("/system/wipe", HTTP_GET, SysWipe); 
   // does not work atm TODO
   //webserver.on("/logout", [](){ webserver.send(401, "text/html", "logged out!"); });
   
@@ -1071,12 +1073,13 @@ void WebHandler() {
   // switching MOSFETs
   webserver.on("/switch", HTTP_POST, POSTswitchMOSFET); 
   
+  
 }
 
-void WebRestart() {
+void SysRestart() {
   String body = FPSTR(HTMLheader);
   // TODO only debug and development solution, remove this later
-  if(true) {
+  if( (webserver.hasArg("confirmed")) || (NeedRestart == true) ) {
     body += "<h1>Restarting</h1>";
     body += "<div class='infomsg'>After restart CanGrow will be connected to WiFi SSID<br><b>";
     body += WIFIssid;
@@ -1087,9 +1090,32 @@ void WebRestart() {
     delay(1000);
     ESP.restart();
   } else {
-    body += "<div class='warnmsg'><h1>Not allowed</h1></div>";
+    body += "<h1>Restart CanGrow</h1>";
+    body += "<div class='infomsg'>Do you want to restart CanGrow?";
+    body += "<br>Please confirm.";
+    body += "<form action='/system/restart'><input type='hidden' name='confirmed' value='true' /><input type='submit' value='Confirm restart' /></form>";
+    body += "</div>";
     body += returnHTMLfooter();
-    webserver.send(405, "text/html", body);
+    webserver.send(200, "text/html", body);
+  }
+}
+
+void SysWipe() {
+  String body = FPSTR(HTMLheader);
+  // TODO only debug and development solution, remove this later
+  if(webserver.hasArg("confirmed")) {
+    body += "<div class='warnmsg'><h2>!! Wiping CanGrow's EEPROM !!</h2><br>Device will restart in a few seconds.</div>";
+    body += returnHTMLfooter();
+    webserver.send(200, "text/html", body);
+    wipeEEPROM();
+  } else {
+    body += "<h1>Wipeing EEPROM</h1>";
+    body += "<div class='warnmsg'>All settings will be removed!!<br>";
+    body += "<br>Please confirm wiping the EEPROM";
+    body += "<form action='/system/wipe'><input type='hidden' name='confirmed' value='true' /><input type='submit' value='Confirm wiping' /></form>";
+    body += "</div>";
+    body += returnHTMLfooter();
+    webserver.send(200, "text/html", body);
   }
 }
 
@@ -1261,8 +1287,8 @@ void WEBroot() {
     body += returnStrDateFromEpoch(GrowStart);
     body += "<br>";
     body += "Day of Grow: ";
-    body += DayOfGrow;
+    body +=  int(ceil(float((timeClient.getEpochTime() - GrowStart) / 60 / 60 / 24))) ;
-    body += "<br><br>";
+    body += "<br>";
     body += "Soil Moisture: ";
     body += getSoilmoisture(MoistureSensor_Type);
     body += " %<br>";
@@ -1343,10 +1369,34 @@ void WEBwifiSettings() {
   if(webserver.hasArg("success")) {
     body += FPSTR(HTMLsuccess);
   }
+  
+  if(FirstRun == false)  {
+    body += "<u>Current Settings:</u><br>";
+    body += "WiFi SSID: <b>";
+    body += WIFIssid;
+    body += "</b><br>\n";
+    body += "Use DHCP: <b>";
+    body += WIFIuseDHCP;
+    body += "</b><br>\n";
+    body += "IP address: <b>";
+    body += WiFi.localIP().toString();
+    body += "</b><br>\n";
+    body += "Subnet mask: <b>";
+    body += WiFi.subnetMask().toString();
+    body += "</b><br>\n";
+    body += "Gateway: <b>";
+    body += WiFi.gatewayIP().toString();
+    body += "</b><br>\n";
+    body += "DNS: <b>";
+    body += WiFi.dnsIP().toString();
+    body += "</b><br><br>\n";
+  }
+  
   body += "<p>Select your wifi network from the SSID list.<br>To use DHCP leave IP, Subnet, Gateway and DNS fields blank!</p>";
   body += "<form method='post' action='/wifiSettings/save'>\n";
   body += "SSID: <select id='WIFIssid' name='WIFIssid' required>\n";
   body += "<option disabled value='' selected hidden>-Select your network-</option>";
+  
   // build option list for selecting wifi
   Serial.println("Available Wifis: ");
   for(int i = 0 ; i < ssidsAvail; i++) {
@@ -1356,11 +1406,6 @@ void WEBwifiSettings() {
     body += wifiName + "</option>\n";
   }
   body += "</select><br>\n";
-  if(strlen(WIFIssid) > 0) {
-    body += "Currently connected to: <b>";
-    body += WIFIssid;
-    body += "</b><br>\n";
-  }
   body += "Password: <input type='password' name='WIFIpassword'><br>\n";
   body += "IP: <input type='text' name='WIFIip'><br>\n";
   body += "Subnet mask: <input type='text' name='WIFInetmask'><br>\n";
@@ -1492,7 +1537,7 @@ void WEBgrowSettings() {
     
   
     
-    body += "Grow name: <input type='text' name='GrowName' value='";
+    body += "Grow name: <input type='text' name='GrowName' maxlength='32' value='";
     body += GrowName;
     body+= "' required><br>\n";