First keyboard implementation added, tests pending. Still needs variable adjustment screen.

DisplayESP32.ino

@@ -1,16 +1,15 @@
-#define MAX_OPTIONS 10      //Maximum number of options for each menu
-#define MAX_MENUS 3
-#define MAX_GRAPH 3
-#define __DEBUG__
-#include <Arduino.h>
-
 #include <SPI.h>
 #include <Wire.h>
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
+#define __DEBUG__
 
-#define DISP_WIDTH 128 // OLED display width
-#define DISP_HEIGHT 64 // OLED display height
+#define MAX_OPTIONS 10      //Maximum number of options for each menu
+#define MAX_MENUS 3
+#define MAX_GRAPH 3
+#define DISP_WIDTH 128      // OLED display width
+#define DISP_HEIGHT 64      // OLED display height
+#define REFRESH 10          //Refresh time in ms
 
 Adafruit_SSD1306 display(DISP_WIDTH, DISP_HEIGHT, &Wire, -1);
 int i = 0;
@@ -83,7 +82,7 @@ class Menu{    //ContentTypeMenu true, it is a menu
   int optPPage;
 
   int previousScreen = 0;
-  int previousContentType = true;
+  int previousContentType = 0;
   
   public:
 
@@ -116,6 +115,14 @@ class Menu{    //ContentTypeMenu true, it is a menu
     display.display();
   }
   
+  int extractPos(){
+    return(this->pos);
+  }
+
+  int extractOptNumber(){
+    return(this->options);
+  }
+
   void increasePos(){
     this->pos++;
   }
@@ -481,11 +488,13 @@ class Screen{
   }
 
   void increasePos(){
-    this->menu[this->currentScreen].increasePos();
+    if(this->menu[this->currentScreen].extractPos() < this->menu[this->currentScreen].extractOptNumber() - 1)
+      this->menu[this->currentScreen].increasePos();
   }
 
   void decreasePos(){
-    this->menu[this->currentScreen].decreasePos();
+    if(this->menu[this->currentScreen].extractPos() > 0)
+      this->menu[this->currentScreen].decreasePos();
   }
   
   void goTo(){
@@ -525,19 +534,120 @@ class Screen{
   }
 
   void plusAction(){
-
+    if(contentType == 0){
+      increasePos();
+    }
   }
 
   void minusAction(){
+    if(contentType == 0){
+      decreasePos();
+    }
+  }
+  
+};
+
+class Keyboard{
+  private:
+
+  byte goTo;
+  byte goBack;
+  byte plus;
+  byte minus;
+  byte debounceTime;
+
+  Screen * screen;
 
+  public:
+
+  Keyboard(byte goTo, byte goBack, byte plus, byte minus, byte debounceTime, Screen * screen){
+    this->goTo = goTo;
+    this->goBack = goBack;
+    this->plus = plus;
+    this->minus = minus;
+    this->debounceTime = debounceTime;
+
+    this->screen = screen;
+
+    pinMode(goTo, INPUT_PULLUP);
+    pinMode(goBack, INPUT_PULLUP);
+    pinMode(plus, INPUT_PULLUP);
+    pinMode(minus, INPUT_PULLUP);
+  }
+
+  void checkGoTo(){
+    static char cont;
+    if(digitalRead(this->goTo) == LOW)
+      cont++;
+    else
+      cont = 0;
+    if(cont == debounceTime/REFRESH){
+      cont = 0;
+      this->screen->goTo();
+      while(digitalRead(this->goTo) == LOW){
+      }
+    }
   }
   
+  void checkGoBack(){
+    static char cont;
+    if(digitalRead(this->goBack) == LOW){
+      cont++;
+      Serial.println("Ayudaaaaa");
+    }
+    else
+      cont = 0;
+    if(cont == debounceTime/REFRESH){
+      cont = 0;
+      this->screen->goBack();
+      Serial.println("Ayudaaaaant");
+      while(digitalRead(this->goBack) == LOW){
+      }
+    }
+  }
+
+  void checkPlus(){
+    static char cont;
+    if(digitalRead(this->plus) == LOW)
+      cont++;
+    else
+      cont = 0;
+    if(cont == debounceTime/REFRESH){
+      cont = 0;
+      this->screen->plusAction();
+      while(digitalRead(this->plus) == LOW){
+      }
+    }
+  }
+
+  void checkMinus(){
+    static char cont;
+    if(digitalRead(this->minus) == LOW)
+      cont++;
+    else
+      cont = 0;
+    if(cont == debounceTime/REFRESH){
+      cont = 0;
+      this->screen->minusAction();
+      while(digitalRead(this->minus) == LOW){
+      }
+    }
+  }
+
+  void control(){
+    this->checkGoTo();
+    this->checkGoBack();
+    this->checkPlus();
+    this->checkMinus();
+  }
 };
 
-Screen screen;
+Screen screen, * disp = &screen;
+Keyboard keyboard(14, 4, 12, 13, 40, disp);
 
 void setup(){
   screen.configure(true);
+  Serial.println("Screen created");
   
   screen.createMenu(128, 13);             //Menu 0
   screen.createMenu(128, 13);             //Menu 1
@@ -571,7 +681,7 @@ void setup(){
 
 void loop(){
   screen.control();            //Controls the screen and redraws if needed
-  delay(10);
+  keyboard.control();
 
   if(i <= 100){
     screen.graphAssignValue(1, i);    //Assigning a demo value to Graph 1
@@ -580,4 +690,6 @@ void loop(){
   }
   else
     i = 0;
+
+  delay(REFRESH);                   //Refresh time (approx)
 }