main.cpp

00001 #include "mbed.h"
00002 #include "rtos.h"
00003 #include "Timer.h"
00004 #include "C12832.h"
00005 #include "stdio.h"
00006 #include "stdlib.h"
00007 // Samuel Pearson 19064819
00008 // Joystick push kills LED bit on left, if it is on
00009 // If bit is not on, another is created
00010 // Goal is to kill off all of the bits
00011 // LEDs flash and speaker beeps on a win
00012 
00013 DigitalOut myled1(LED1);
00014 DigitalOut myled2(LED2);
00015 DigitalOut myled3(LED3);
00016 DigitalOut myled4(LED4);
00017 DigitalIn pb(p14);        //the player hits the switch connected here to respond
00018 PwmOut spkr(p26);
00019 PwmOut RGBLED_r(p23);
00020 PwmOut RGBLED_g(p24);
00021 PwmOut RGBLED_b(p25);
00022 C12832 lcd(p5, p7, p6, p8, p11);  
00023 
00024 // mutex to make the lcd lib thread safe
00025 Mutex lcd_mutex;
00026 Mutex mtx;
00027 
00028 Timer t1, t2;                  //used to measure the response time
00029 int player1, player2, player2Ready, StartGame, GameFinished = 0;
00030 float Player1Time, Player2Time = 0;
00031 
00032 void display(int number)
00033 {
00034     myled1 = (number) & 0x01;
00035     myled2 = (number>>1) & 0x01;
00036     myled3 = (number>>2) & 0x01;
00037     myled4 = (number>>3) & 0x01;
00038 }
00039 
00040 void measure (int value)                 // calls when the joystick is pressed
00041 {         
00042   if (pb)
00043   {                            //Check if button is held
00044     lcd_mutex.lock();
00045     lcd.cls();
00046     lcd.printf("Button Press!\n");
00047     lcd_mutex.unlock();
00048   }
00049 }
00050 
00051 void calculate (float T1, float T2)
00052 {
00053     mtx.lock();
00054     if (T1 < T2)
00055     {
00056         lcd.printf("Player 1 Wins!!\n");
00057     }
00058     if (T1 > T2)
00059     {
00060         lcd.printf("Player 2 Wins!\n");
00061     }
00062     if (T1 == T2)
00063     {
00064         lcd.printf("Game was a Draw, Try Again\n");
00065     }
00066     mtx.unlock();
00067 }
00068 
00069 void thread3(void const *args)
00070 {
00071     while(true) // thread loop
00072     {         
00073         RGBLED_r = 0.7 + (rand() % 11)/20.0;
00074         RGBLED_g = 0.7 + (rand() % 11)/20.0;
00075         RGBLED_b = 0.7 + (rand() % 11)/20.0;
00076         Thread::wait(1667);    // wait 1.5s
00077     }
00078 }
00079 
00080 int main()
00081 {
00082     while(1)
00083     {
00084     Thread t3(thread3); //RGB LED
00085     lcd.printf("Destroy the Bit - \n\r");
00086     lcd.printf("Player 1 Start\n\r");
00087     lcd.printf("Press Joystick to Start\n\r");
00088     unsigned int value = 0x12;
00089     spkr.period(1.0/2000.0);
00090     while (StartGame == 0)
00091     {
00092         if (pb)
00093         {
00094             StartGame = 1;
00095             player2 = 1;
00096             player1 = 0;
00097             t1.start();
00098             t2.start();
00099         }
00100     }
00101     while(StartGame == 1) 
00102     {
00103         if (player1 == 0)
00104         {
00105             lcd.cls();
00106             lcd.printf("Press Joystick to kill bit\n\r");
00107             value = value ^ pb;
00108             if (value == 0) {
00109                 for (int i=0; i<5; ++i) {
00110                 spkr = 0.5;
00111                 lcd.cls();
00112                 display(0x0F);
00113                 wait(.5);
00114                 display(0);
00115                 spkr = 0.0;
00116                 wait(.25);
00117             }
00118             t1.stop();
00119             value = 0x012;
00120             lcd_mutex.lock();
00121             lcd.printf("Player 1 Finished!!!!!!!\n\r");
00122             lcd.printf("Finish time - %f secs\n\r", t1.read());
00123             wait(2);
00124             lcd_mutex.unlock();
00125             Player1Time = t1.read();
00126             player1 = 1;
00127             player2 = 0;
00128             t1.reset();
00129             t2.reset();
00130         }
00131         value = ((value & 0x01)<<3) | value >> 1;
00132         display(value);
00133         measure(value);
00134         wait(.25);
00135         }            
00136         if (player2 == 0)
00137         {
00138             if (player2Ready == 0)
00139             {
00140             lcd.cls();
00141             lcd.printf("Player 2 Start\n\r");
00142             lcd.printf("Press JoyStick to Start\n\r");
00143             }
00144             while(player2Ready == 0)
00145             {
00146                 if (pb)
00147             {
00148                 t2.start();
00149                 player2Ready = 1;
00150                 }
00151             }
00152             lcd.cls();
00153             lcd.printf("Press Joystick to kill bit\n\r");
00154             value = value ^ pb;
00155             if (value == 0) {
00156                 for (int i=0; i<5; ++i) {
00157                 spkr = 0.5;
00158                 display(0x0F);
00159                 wait(.5);
00160                 display(0);
00161                 spkr = 0.0;
00162                 wait(.25);
00163             }
00164             t2.stop();
00165             value = 0x012;
00166             lcd_mutex.lock();
00167             lcd.printf("Player 2 Finished!!!!!!!\n\r");
00168             lcd.printf("Finish time - %f secs\n\r", t2.read());
00169             wait(2);
00170             lcd_mutex.unlock();
00171             Player2Time = t2.read();
00172             player2 = 1;
00173             StartGame = 0;
00174             GameFinished = 1;
00175             t2.reset();
00176         }
00177         value = ((value & 0x01)<<3) | value >> 1;
00178         display(value);
00179         measure(value);
00180         wait(.25);
00181         }
00182     }
00183 if (GameFinished == 1)
00184 {
00185     lcd.cls();
00186     wait(1);
00187     lcd.printf("Game has Ended\n");
00188     calculate(Player1Time, Player2Time);
00189     wait(1);
00190     lcd.cls();
00191     lcd.printf("Game will reset in 5 secs\n");
00192     wait(5);
00193     GameFinished = 0;
00194     Player1Time, Player2Time = 0;
00195     lcd.cls();
00196     }
00197 }
00198 }