Code

First code for creating a screen containing a menu with several options.

DisplayESP32.ino

@@ -0,0 +1,185 @@
+#define MAX_OPTIONS 10      //Maximum number of options for each menu
+#define MAX_MENUS 10
+#define MAX_GRAPH 10
+#define __DEBUG__
+#include <Arduino.h>
+
+#include <SPI.h>
+#include <Wire.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1306.h>
+#include <Fonts/FreeSans12pt7b.h>
+
+
+#define DISP_WIDTH 128 // OLED display width
+#define DISP_HEIGHT 64 // OLED display height
+
+Adafruit_SSD1306 display(DISP_WIDTH, DISP_HEIGHT, &Wire, -1);
+
+
+void setDisp(bool fullsetting){
+  if(fullsetting){
+    //Adafruit_SSD1306 display(DISP_WIDTH, DISP_HEIGHT, &Wire, -1);
+    Serial.begin(115200);
+    if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
+#ifdef __DEBUG__
+      Serial.println("No se encuentra la pantalla OLED");
+#endif
+      while (true);
+    }
+  }
+  display.clearDisplay();
+
+  // Tamaño del texto
+  display.setTextSize(2);
+  // Color del texto
+  display.setTextColor(SSD1306_WHITE);
+  // Posición del texto
+  display.setCursor(0, 16);
+  // Escribir texto
+  display.println("Hola");
+  display.display();
+
+  display.setCursor(0, 32);
+
+  display.println("mundo!!");
+
+  display.display();
+}
+
+class Option{
+  private:
+
+  int sizex;
+  int sizey;
+  String content;
+  int pos;
+  bool fill = false;
+  bool disp = false;
+  void (*f)(void);
+
+  public:
+
+  //Option(){}
+  
+  void configure(String content, int sizex, int sizey, int pos){
+    this->sizex = sizex;
+    this->sizey = sizey;
+    this->content = content;
+    this->pos = pos;
+    this->disp = true;
+  }
+
+  void drawopt(int page, int pos){
+    if(this->disp){
+      if(this->pos == pos){
+        display.fillRect(0, (this->sizey)*(this->pos) - (page*DISP_WIDTH), this->sizex, this->sizey, WHITE);
+        display.setTextColor(SSD1306_BLACK);
+        display.setCursor((this->sizex) + 3, (this->sizey) - 3);
+        display.println(this->content);
+        display.setTextColor(SSD1306_WHITE);
+      }
+      else{
+        display.drawRect(0, (this->sizey)*(this->pos), this->sizex, this->sizey, WHITE);
+        display.setCursor((this->sizex) + 3, (this->sizey) - 3 - (DISP_WIDTH*128));
+        display.println(this->content);
+      }
+    }
+  }
+
+  void task(void (*f)(void)){
+    this->f = f;
+  }
+};
+
+class Menu{
+  private:
+
+  int id;
+  int sizex;
+  int sizey;
+  int options = 0;            //This indicates the number of options created
+  int pos = 0;                //This indicates the position of the cursor
+  int page = 0;               //If the menu is too long, this indicates the page that is being displayed
+  Option opt[MAX_OPTIONS];
+  
+  public:
+
+  void configure(int id, int sizex, int sizey){
+    this->id = id;
+    this->sizex = sizex;
+    this->sizey = sizey;
+  }
+
+  void createOption(String content){
+    this->opt[this->options].configure(content, this->sizex, this->sizey, this->options++);
+  }
+
+  void function(int optionindex, void (*f)(void)){   //Defines functions for each option
+    this->opt[optionindex].task(f);
+  }
+
+  void drawMenu(){
+    int dir;
+    this->page = pos/3;
+    for(int i = 0; i < options; i++){
+      this->opt[i].drawopt(this->page, this->pos);
+    }
+  }
+
+  int getid(){
+    int id = this->id;
+    return id;
+  }
+
+  int getoptions(){
+    int options = this->options;
+    return options;
+  }
+  
+  void increasePos(){
+    this->pos++;
+  }
+
+  void decreasePos(){
+    this->pos--;
+  }
+  
+};
+
+class Screen{
+  
+  private:
+  
+  Menu menu[MAX_MENUS];
+  int ids[MAX_MENUS];
+  int counter = 0;
+  int actualScreen;
+
+  public:
+
+  void createMenu(int id, int sizex, int sizey){
+    this->menu[counter].configure(id, sizex, sizey);
+    counter++;
+  }
+
+  void createOption(int idMenu, String content){
+    int mem = 0;
+    for(int i = 0; i < counter; i++){
+      if(this->ids[i] == idMenu)
+        mem = i;
+        break;
+    }
+    this->menu[mem].createOption(content);
+  }
+
+  void control(){
+    
+  }
+};
+
+void setup(){
+}
+
+void loop(){
+}