Diff: main.cpp

Revision:

1:12803d645d32

Parent:

0:2d0f77943105

Child:

2:af5b5d42e835

--- a/main.cpp	Mon Mar 07 09:38:00 2016 +0000
+++ b/main.cpp	Mon Mar 07 12:09:22 2016 +0000
@@ -7,12 +7,13 @@
 
 #define DIRECTION_TOLERANCE 0.05
 
-DigitalIn button(PTB2);
+InterruptIn button(PTB2);
 AnalogIn xPot(PTB3);
 AnalogIn yPot(PTB10);
 
 Ticker ticker;
-Ticker game_timer;
+Ticker game_ticker;
+Timeout timeout;
 
 DigitalOut r_led(LED_RED);
 DigitalOut g_led(LED_GREEN);
@@ -28,15 +29,18 @@
     LEFT,
     RIGHT,
     CENTRE,
-    UNKNOWN
+    UP_LEFT,
+    UP_RIGHT,
+    DOWN_LEFT,
+    DOWN_RIGHT
 };
 
 typedef struct JoyStick Joystick;
 struct JoyStick {
-    float x;    // current x value
-    float x0;   // 'centred' x value
-    float y;    // current y value
-    float y0;   // 'centred' y value
+    double x;    // current x value
+    double x0;   // 'centred' x value
+    double y;    // current y value
+    double y0;   // 'centred' y value
     int button; // button state (assume pull-down used, so 1 = pressed, 0 = unpressed)
     DirectionName direction;  // current direction
 };
@@ -58,6 +62,8 @@
 volatile int g_timer_flag = 0;
 volatile int g_game_timer_flag = 0;
 volatile int g_sw2_flag = 0;
+volatile int g_sw3_flag = 0;
+volatile int g_button_flag = 0;
 
 void error();
 // setup serial port
@@ -68,6 +74,10 @@
 void timer_isr();
 void game_timer_isr();
 void sw2_isr();
+void sw3_isr();
+void button_isr();
+void timeout_isr();
+
 void calibrateJoystick();
 void updateJoystick();
 
@@ -86,6 +96,8 @@
     init_K64F();
     init_serial();
     sw2.fall(&sw2_isr);
+    button.fall(&button_isr);
+    sw3.fall(&sw3_isr);
     init_game();
     calibrateJoystick();
 
@@ -147,10 +159,17 @@
                 pc.printf(" RIGHT\n");
             if (joystick.direction == CENTRE)
                 pc.printf(" CENTRE\n");
-            if (joystick.direction == UNKNOWN)
-                pc.printf(" Unsupported direction\n");
+            if (joystick.direction == UP_RIGHT)
+                pc.printf(" UP - RIGHT\n");
+            if (joystick.direction == UP_LEFT)
+                pc.printf(" UP - LEFT\n");
+            if (joystick.direction == DOWN_RIGHT)
+                pc.printf(" DOWN - RIGHT\n");
+            if (joystick.direction == DOWN_LEFT)
+                pc.printf(" DOWN - LEFT\n");        
         }
         updateJoystick();
+        //callibrateJoystick();
         lcd.refresh();
         sleep();
     }
@@ -194,6 +213,26 @@
     g_sw2_flag = 1;
 }
 
+void sw3_isr() {
+    
+    g_sw3_flag = 1;
+}
+
+void button_isr()
+{
+
+    g_button_flag =1;
+}
+
+void timeout_isr()
+{
+
+    if (button) {
+
+        pc.printf("button is pressed!!!");
+    }
+}
+
 void enemyRect()
 {
 
@@ -232,12 +271,13 @@
     circleY = rand() %48 + 1;
     circleX = 0;
     lcd.setBrightness(0.5); // put LED backlight on 50%
-
+    timeout.attach(&timeout_isr,2);
     lcd.printString("Welcome to",11,1);
     lcd.printString("Treasure Hunt!",1,3);
     lcd.refresh();
-    wait(1);
+    sleep();
     lcd.clear();
+    game_ticker.attach(game_timer_isr,0.5);
 
     while (1) {
 
@@ -246,6 +286,7 @@
             g_game_timer_flag = 0;
             updateJoystick();
             lcd.clear();
+            menu();
             int option = menu();
 
             if (option == 0) {
@@ -264,12 +305,29 @@
                 lcd.printString("Settings",0,2);
                 lcd.printString("Exit <",0,4);
             }
+
+            if (g_sw3_flag) {
+
+                g_sw3_flag = 0;
+
+                if (option == 0) {
+
+                    pc.printf("continue!");
+                } else if (option == 1) {
+
+                    pc.printf("display Settings!");
+                } else if (option == 2) {
+
+                    lcd.turnOff();
+                }
+            }
         }
         if (g_sw2_flag) {
+
+            game_ticker.detach();
             break;
         }
-
-        sleep();
+      sleep();
     }
 }
 void guidance()
@@ -325,9 +383,22 @@
     } else if (level == 4) {
 
         lcd.drawRect(10 + rand() %4 - 2,15 + rand() &4 -2,2,2,1);
-        lcd.drawRect(74,15,2,2,1);
-        lcd.drawRect(10,28,2,2,1);
-        lcd.drawRect(74,28,2,2,1);
+        lcd.drawRect(74 + rand() %4 - 2,15 + rand() %4 - 2,2,2,1);
+        lcd.drawRect(10 + rand() %4 - 2,28 + rand() %4 - 2,2,2,1);
+        lcd.drawRect(74 + rand() %4 - 2,28 + rand() %4 - 2,2,2,1);
+        lcd.drawRect(30 + rand() %4 - 2,15,2,2,1);
+        lcd.drawRect(54,15 + rand() %4 - 2,2,2,1);
+        lcd.drawRect(30,28 + rand() %4 - 2,2,2,1);
+        lcd.drawRect(54 + rand() %4 - 2,28,2,2,1);
+    }else if ( level == 5) {
+       
+        lcd.drawLine(50,35,65,35,1);
+        lcd.drawLine(38,30,28,30,1);
+        lcd.drawLine(60,25,70,25,1);
+        lcd.drawLine(28,25,18,25,1);
+        lcd.drawLine(70,20,80,20,1);
+        lcd.drawLine(18,20,8,20,1);
+           
     }
 }
 
@@ -358,8 +429,14 @@
         joystick.direction = RIGHT;
     } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) {
         joystick.direction = LEFT;
-    } else {
-        joystick.direction = UNKNOWN;
+    } else if (joystick.y > DIRECTION_TOLERANCE  && joystick.x  < DIRECTION_TOLERANCE) {
+        joystick.direction = UP_LEFT;
+    } else if (joystick.y > DIRECTION_TOLERANCE && joystick.x > DIRECTION_TOLERANCE) {
+        joystick.direction = UP_RIGHT;
+    } else if (joystick.y < DIRECTION_TOLERANCE && joystick.x < DIRECTION_TOLERANCE) {
+        joystick.direction = DOWN_LEFT;
+    }   else if (joystick.y < DIRECTION_TOLERANCE && joystick.x > DIRECTION_TOLERANCE) {
+        joystick.direction = DOWN_RIGHT;
     }
 }