Diff: main.cpp

Revision:

2:202735df93cd

Parent:

0:10b365b7873b

Child:

4:05868e0f5d7e

--- a/main.cpp	Thu Feb 28 22:22:31 2013 +0000
+++ b/main.cpp	Tue Mar 05 21:29:52 2013 +0000
@@ -1,33 +1,71 @@
 #include "mbed.h"
 #include "TextLCD.h"
-#include "SDFileSystem.h"
 #include "RPG.h"
-#include <vector>
-#include <string>
 #include "Selection.h"
 #include "Menu.h"
 #include "Navigator.h"
+#include <vector>
+#include <string>
 
 DigitalOut led1(LED1), led2(LED2), led3(LED3), led4(LED4);
 TextLCD lcd(p15, p16, p17, p18, p19, p20); // rs, e, d4-d7
 RPG rpg(p21,p22,p23); 
-SDFileSystem sd(p5, p6, p7, p8, "sd"); 
 
 using namespace std;
 
-int direction = 0;
-int cursor = 0;
+// some functions to tie to selections
+void toggleLED1() { led1 = !led1; }
+void toggleLED2() { led2 = !led2; }
+void toggleLED3() { led3 = !led3; }
+void toggleLED4() { led4 = !led4; }
+void resetLED()
+{
+    led1 = 0;
+    led2 = 0;
+    led3 = 0;
+    led4 = 0;
+}
 
 int main() {
-    Menu menu1;
-    menu1.add(Selection(NULL, 0, "Toggle LED1"));
-    menu1.add(Selection(NULL, 1, "Toggle LED2"));
-    menu1.add(Selection(NULL, 2, "Toggle LED3"));
-    menu1.add(Selection(NULL, 3, "Toggle LED4"));
+    // In using this library, the user declares "Menus", which are essentially arrays of "Selections".
+    // Selections describe each individual selectable item. 
+    // Selections can be tied to functions. Functions must output void and take in no arguments.
+    // Selections can also have references to child menus.
+    
+    // It makes sense to declare a root menu first, but you don't have to. 
+    // Menus should have an identifier (the argument in constructor). 
+    Menu rootMenu("root"); 
     
-    Navigator navigator(menu1, rpg, &lcd);
-    navigator.printMenu();
+    // Selections are added to menus through the Menu's "add" method.
+    // If a function is to be executed when the RPG is depressed, make a REFERENCE to it. Otherwise null.
+    // The second argument is its position - the will be deprecated soon.
+    // The last is the text to display. *INCLUDE A SPACE IN THE BEGINNING, this is where the cursor goes. 
+    // *This means the text is limited to 14 characters (not counting the space) with this display. 
+    // **It is 14 not 15 for reasons pertaining to the implementation of the TextLCD library. 
+    Menu ledMenu("LED menu"); 
+    ledMenu.add(Selection(&toggleLED1, 0, NULL, " Toggle LED1")); // The function argument of selection can be added directly
+    ledMenu.add(Selection(NULL, 1, NULL, " Toggle LED2"));        // It can also be set to NULL temporarily and changed later.
+    ledMenu.selections[1].fun = &toggleLED2;                      // Useful for when functions are methods in other classes.
+    ledMenu.add(Selection(&toggleLED3, 2, NULL, " Toggle LED3"));
+    ledMenu.add(Selection(&toggleLED4, 3, NULL, " Toggle LED4"));
+    ledMenu.add(Selection(&resetLED, 4, &rootMenu, " Go back"));  // always add a Selection at the end to point to the parent
+    
+    Menu aboutMenu("About Menu"); // about menu crediting us :)
+    aboutMenu.add(Selection(NULL, 0, NULL, " Authors:"));
+    aboutMenu.add(Selection(NULL, 1, NULL, " Ben Y & Tony T"));
+    aboutMenu.add(Selection(NULL, 2, NULL, " ECE4180"));
+    aboutMenu.add(Selection(NULL, 3, &rootMenu, " Go back"));
+    
+    // Selections to the root menu should be added last
+    rootMenu.add(Selection(NULL, 0, &ledMenu, " LED MENU"));
+    rootMenu.add(Selection(NULL, 1, NULL, " Dummy menu 1"));  // a dummy menu, doesn't do anything
+    rootMenu.add(Selection(NULL, 2, &aboutMenu, " About menu"));   
+    
+    // Here is the heart of the system: the navigator. 
+    // The navigator takes in a reference to the root, an interface, and a reference to an lcd
+    Navigator navigator(&rootMenu, rpg, &lcd);
+    
     while(1){
-        navigator.poll();
+        navigator.poll(); // In a loop, call navigator's poll method to determine if the user is interacting with the rpg. 
     }
 }
\ No newline at end of file