Blink LED according to time entered.

vulpes/src/main.cpp

@@ -46,7 +46,7 @@ const char index_html[] PROGMEM = R"rawliteral(
     <input type="submit" value="Submit" onclick="submitMessage()">
   </form><br>
   <form action="/get" target="hidden-form">
-    inputInt (current value %inputInt%): <input type="number " name="inputInt" value = %inputInt%>
+    Seconds between flash (current value %inputInt%): <input type="number " name="inputInt" value = %inputInt%>
     <input type="submit" value="Submit" onclick="submitMessage()">
   </form><br>
   <form action="/get" target="hidden-form">
@@ -56,24 +56,32 @@ const char index_html[] PROGMEM = R"rawliteral(
   <iframe style="display:none" name="hidden-form"></iframe>
 </body></html>)rawliteral";
 
+// Auxiliary variables to store the current output state
+String output26State = "off";
+String output27State = "off";
+
+// Assign output variables to GPIO pins
+const int output26 = 26;
+const int output27 = 27;
+
 void notFound(AsyncWebServerRequest *request) {
   request->send(404, "text/plain", "Not found");
 }
 
 String readFile(fs::FS &fs, const char * path){
-  Serial.printf("Reading file: %s\r\n", path);
+  //Serial.printf("Reading file: %s\r\n", path);
   File file = fs.open(path, "r");
   if(!file || file.isDirectory()){
     Serial.println("- empty file or failed to open file");
     return String();
   }
-  Serial.println("- read from file:");
+  //Serial.println("- read from file:");
   String fileContent;
   while(file.available()){
     fileContent+=String((char)file.read());
   }
   file.close();
-  Serial.println(fileContent);
+  //Serial.println(fileContent);
   return fileContent;
 }
 
@@ -109,6 +117,14 @@ String processor(const String& var){
 
 void setup() {
   Serial.begin(115200);
+
+  // Initialize the output variables as outputs
+  pinMode(output26, OUTPUT);
+  pinMode(output27, OUTPUT);
+  // Set outputs to LOW
+  digitalWrite(output26, LOW);
+  digitalWrite(output27, LOW);
+
   // Initialize SPIFFS
   #ifdef ESP32
     if(!SPIFFS.begin(true)){
@@ -166,6 +182,21 @@ void setup() {
 }
 
 void loop() {
+    // Read seconds from file
+    int yourInputInt = readFile(SPIFFS, "/inputInt.txt").toInt();
+    // Blink LED according to seconds entered
+    if (yourInputInt > 0) {
+        Serial.println("GPIO 26 on");
+        output26State = "on";
+        digitalWrite(output26, HIGH);
+        delay(yourInputInt * 1000);
+        Serial.println(yourInputInt);
+        Serial.println("GPIO 26 off");
+        output26State = "off";
+        digitalWrite(output26, LOW);
+        delay(yourInputInt * 1000);
+    } 
+
 //   // To access your stored values on inputString, inputInt, inputFloat
 //   String yourInputString = readFile(SPIFFS, "/inputString.txt");
 //   Serial.print("*** Your inputString: ");