Dragos Andrei Brasoveanu
3rd year projects
Diff: main.cpp
- Revision:
- 0:4608832d38d5
diff -r 000000000000 -r 4608832d38d5 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Nov 04 23:19:26 2019 +0000
@@ -0,0 +1,190 @@
+#include "mbed.h"
+#include "TextLCD.h"
+#define freqB 0.002024
+//min and max for the start of the round
+#define MAX 10
+#define MIN 3
+//min and max for the time between the rounds
+#define MIN2 5
+#define MAX2 10
+
+/*
+analog value pin used to generate random numbers
+buzzer used to announce the start of the round
+lcd used to show the game results
+startButton - button used to start a new game
+button1 - button used in the game by player 1
+button2 - button used in the game by player 2
+debounce - timer used for the buttons debouncing
+t - timer used to measure a round's time
+battle - timer used to measure the players' reaction time
+winnner - variable which is used to decide which is the winner of a round
+win1 - variable which holds the number of rounds won by player 1
+win2 - variable which holds the number of rounds won by player 2
+t1 - the reaction time of player 1 in a round
+t2 - the reaction time of player 2 in a round
+avg1 - average reaction time of player 1
+avg2 - average reaction time of player 2
+*/
+AnalogIn analog_value(A0);
+DigitalOut buzzer(D11);
+TextLCD lcd(D2,D3,D4,D5,D6,D7);
+Timer debounce, t, battle;
+InterruptIn startButton(D8);
+InterruptIn button1(D9);
+InterruptIn button2(D10);
+void start(void);
+void resetGame(void);
+void press1(void);
+void press2(void);
+void playB(void);
+volatile int winner = 0, win1 = 0, win2 = 0;
+float t1, t2, avg1, avg2;
+
+int main() {
+ debounce.start();
+
+ //set the buttons to pull up resistance mode
+ startButton.mode(PullUp);
+ button1.mode(PullUp);
+ button2.mode(PullUp);
+
+ //set the function for each interrupt button
+ startButton.rise(&resetGame);
+ button1.rise(&press1);
+ button2.rise(&press2);
+}
+
+void resetGame(){
+ if(debounce.read_ms() > 50){
+ //reset the stats for players at the start of a game
+ avg1 = 0;
+ avg2 = 0;
+ win1 = 0;
+ win2 = 0;
+ start();
+ }
+ debounce.reset();
+}
+
+void start() {
+ lcd.cls();
+ float f = analog_value.read();
+ srand(f*1000);
+ t.reset(); //reset the round timer
+ t.start();
+ float r = (rand() % (MAX + 1 - MIN)) + MIN; //generating the random number using the analog pin
+ wait(r);
+ battle.reset(); //reset the timer for the reaction times
+ battle.start();
+ winner = 0;
+ playB(); //buzzer plays the B note
+}
+
+void press1() {
+ if(debounce.read_ms() > 50){
+ t1 = battle.read(); //read the reaction time
+ avg1 += t1; //add it to the average reaction time sum
+ if(winner == 0) //if player 1 is the first to press the button, increment the winner variable
+ winner++;
+ else { //if not, that means that the button has been already pressed, which means that player 2 won the round
+ win2++;
+ //print the reaction times
+ lcd.cls();
+ lcd.printf("Loser: %f\n", t1);
+ lcd.printf("Winner: %f\n", t2);
+ wait(1);
+ lcd.cls();
+ lcd.printf("Player 2 wins!\n");
+ wait(1);
+ lcd.printf("Diff: %f\n", t1-t2);
+ if((win1 + win2) < 3){ //if the game is not over yet(the players did not play 3 rounds yet), start a new round
+ float f = analog_value.read();
+ srand(f*1000);
+ float r = (rand() % (MAX + 1 - MIN)) + MIN;
+ wait(r);
+ start(); //starts a new round
+ }
+ else if(win1 > win2){ //the game is over, player 1 won more rounds
+ wait(1);
+ lcd.cls();
+ lcd.printf("P1 is the winner!\n");
+ wait(2);
+ lcd.cls();
+ lcd.printf("Avg P1: %f\n", avg1/3);
+ wait(1);
+ lcd.printf("Avg P2: %f\n", avg2/3);
+ }
+ else { //the game is over, player 2 won more rounds
+ wait(1);
+ lcd.cls();
+ lcd.printf("P2 is the winner!\n");
+ wait(2);
+ lcd.cls();
+ lcd.printf("Avg P1: %f\n", avg1/3);
+ wait(1);
+ lcd.printf("Avg P2: %f\n", avg2/3);
+ }
+ }
+ }
+ debounce.reset();
+}
+
+void press2() {
+ if(debounce.read_ms() > 50){
+ t2 = battle.read(); //read the reaction time
+ avg2 += t2; //add it to the average reaction time sum
+ if(winner == 0) //if player 2 is the first to press the button, increment the winner variable
+ winner++;
+ else { //if not, that means that the button has been already pressed, which means that player 1 won the round
+ win1++;
+ //print the reaction times
+ lcd.cls();
+ lcd.printf("Loser: %f\n", t2);
+ lcd.printf("Winner: %f\n", t1);
+ wait(1);
+ lcd.cls();
+ lcd.printf("Player 1 wins!\n");
+ wait(1);
+ lcd.printf("Diff: %f\n", t2-t1);
+ if((win1 + win2) < 3){ //if the game is not over yet(the players did not play 3 rounds yet), start a new round
+ float f = analog_value.read();
+ srand(f*1000);
+ float r = (rand() % (MAX + 1 - MIN)) + MIN;
+ wait(r);
+ start(); //starts a new round
+ }
+ else if(win1 > win2){ //the game is over, player 1 won more rounds
+ wait(1);
+ lcd.cls();
+ lcd.printf("P1 is the winner1");
+ wait(2);
+ lcd.cls();
+ lcd.printf("Avg P1: %f\n", avg1/3);
+ wait(1);
+ lcd.printf("Avg P2: %f\n", avg2/3);
+ }
+ else { //the game is over, player 2 won more rounds
+ wait(1);
+ lcd.cls();
+ lcd.printf("P2 is the winner!");
+ wait(2);
+ lcd.cls();
+ lcd.printf("Avg P1: %f\n", avg1/3);
+ wait(1);
+ lcd.printf("Avg P2: %f\n", avg2/3);
+ }
+ }
+ }
+ debounce.reset();
+}
+
+//function used to play the B note
+void playB(){
+ for(int i = 0; i < 100; i++){
+ wait(freqB/2);
+ buzzer.write(1);
+ wait(freqB/2);
+ buzzer.write(0);
+ }
+}
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