Diff: main.cpp

Revision:

12:3f4d9cb7dd8a

Parent:

11:2fd81f59d7a7

Child:

13:098319060433

--- a/main.cpp	Thu Apr 23 14:01:36 2015 +0000
+++ b/main.cpp	Mon Apr 27 12:17:32 2015 +0000
@@ -5,14 +5,15 @@
 BusOut myleds(p24,p23,p22); //External LEDS
 InterruptIn StartButton(p18);//Start button
 N5110 lcd(p7,p8,p9,p10,p11,p13,p26); //PWR, SCE, RST, DC, MOSI, SCLK, LED
-AnalogIn Bright(p20);//Pot to adjust brightness
+AnalogIn bright(p20);//Pot to adjust brightness
 Ticker timer; //Create ticker object
-DigitalIn button(p17);// Joystick Button
+DigitalIn Jbutton(p17);// Joystick Button
 AnalogIn xPot(p15);// Joystick x-direction
 AnalogIn yPot(p16);// Joystick y-direction
 int i=3; // Pacman's starting position
 int j = 3;
-
+int buttonflag=0; // flag for pause button 
+InterruptIn button(p18);//Pause button
 Ticker pollJoystick; // timer to regularly read the joystick
 
 int coinflag = 1;
@@ -85,15 +86,41 @@
     } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) {
         joystick.direction = DOWN;
     } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
-        joystick.direction = RIGHT;
+        joystick.direction = LEFT;
     } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
-        joystick.direction = LEFT;
+        joystick.direction = RIGHT;
     } else {
         joystick.direction = UNKNOWN;
     }
 
 }
 
+
+void pressPause()
+{
+    buttonflag=!buttonflag;// set button flag 
+}
+
+void pause()
+{
+    button.rise(&pressPause); // event generated on rising edge 
+    while (buttonflag){
+        lcd.clear(); 
+        lcd.printString("Pause", 25,21); 
+        
+        
+        
+        
+        
+        
+        }
+        
+    
+    
+    
+    
+}
+
 void drawMap()
 {
 
@@ -537,9 +564,11 @@
     lcd.init();
     calibrateJoystick();  // get centred values of joystick
     pollJoystick.attach(&updateJoystick,1.0/10.0);  // read joystick 10 times per second
-
+    
     while(1) {
+        lcd.setBrightness(bright);
         lcd.clear();
+        pause();
         drawPacman();
         drawMap();
         drawCoin();