Dragos Andrei Brasoveanu / Mbed 2 deprecated Nucleo_pwm23

3rd year projects

Dependencies:   mbed TextLCD

main.cpp@0:4608832d38d5, 2019-11-04 (annotated)

Committer:
andreib10
Date:
Mon Nov 04 23:19:26 2019 +0000
Revision:
0:4608832d38d5
all projects

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andreib10 0:4608832d38d5 1 #include "mbed.h"
andreib10 0:4608832d38d5 2 #include "TextLCD.h"
andreib10 0:4608832d38d5 3 #define freqB 0.002024
andreib10 0:4608832d38d5 4 //min and max for the start of the round
andreib10 0:4608832d38d5 5 #define MAX 10
andreib10 0:4608832d38d5 6 #define MIN 3
andreib10 0:4608832d38d5 7 //min and max for the time between the rounds
andreib10 0:4608832d38d5 8 #define MIN2 5
andreib10 0:4608832d38d5 9 #define MAX2 10
andreib10 0:4608832d38d5 10
andreib10 0:4608832d38d5 11 /*
andreib10 0:4608832d38d5 12 analog value pin used to generate random numbers
andreib10 0:4608832d38d5 13 buzzer used to announce the start of the round
andreib10 0:4608832d38d5 14 lcd used to show the game results
andreib10 0:4608832d38d5 15 startButton - button used to start a new game
andreib10 0:4608832d38d5 16 button1 - button used in the game by player 1
andreib10 0:4608832d38d5 17 button2 - button used in the game by player 2
andreib10 0:4608832d38d5 18 debounce - timer used for the buttons debouncing
andreib10 0:4608832d38d5 19 t - timer used to measure a round's time
andreib10 0:4608832d38d5 20 battle - timer used to measure the players' reaction time
andreib10 0:4608832d38d5 21 winnner - variable which is used to decide which is the winner of a round
andreib10 0:4608832d38d5 22 win1 - variable which holds the number of rounds won by player 1
andreib10 0:4608832d38d5 23 win2 - variable which holds the number of rounds won by player 2
andreib10 0:4608832d38d5 24 t1 - the reaction time of player 1 in a round
andreib10 0:4608832d38d5 25 t2 - the reaction time of player 2 in a round
andreib10 0:4608832d38d5 26 avg1 - average reaction time of player 1
andreib10 0:4608832d38d5 27 avg2 - average reaction time of player 2
andreib10 0:4608832d38d5 28 */
andreib10 0:4608832d38d5 29 AnalogIn analog_value(A0);
andreib10 0:4608832d38d5 30 DigitalOut buzzer(D11);
andreib10 0:4608832d38d5 31 TextLCD lcd(D2,D3,D4,D5,D6,D7);
andreib10 0:4608832d38d5 32 Timer debounce, t, battle;
andreib10 0:4608832d38d5 33 InterruptIn startButton(D8);
andreib10 0:4608832d38d5 34 InterruptIn button1(D9);
andreib10 0:4608832d38d5 35 InterruptIn button2(D10);
andreib10 0:4608832d38d5 36 void start(void);
andreib10 0:4608832d38d5 37 void resetGame(void);
andreib10 0:4608832d38d5 38 void press1(void);
andreib10 0:4608832d38d5 39 void press2(void);
andreib10 0:4608832d38d5 40 void playB(void);
andreib10 0:4608832d38d5 41 volatile int winner = 0, win1 = 0, win2 = 0;
andreib10 0:4608832d38d5 42 float t1, t2, avg1, avg2;
andreib10 0:4608832d38d5 43
andreib10 0:4608832d38d5 44 int main() {
andreib10 0:4608832d38d5 45 debounce.start();
andreib10 0:4608832d38d5 46
andreib10 0:4608832d38d5 47 //set the buttons to pull up resistance mode
andreib10 0:4608832d38d5 48 startButton.mode(PullUp);
andreib10 0:4608832d38d5 49 button1.mode(PullUp);
andreib10 0:4608832d38d5 50 button2.mode(PullUp);
andreib10 0:4608832d38d5 51
andreib10 0:4608832d38d5 52 //set the function for each interrupt button
andreib10 0:4608832d38d5 53 startButton.rise(&resetGame);
andreib10 0:4608832d38d5 54 button1.rise(&press1);
andreib10 0:4608832d38d5 55 button2.rise(&press2);
andreib10 0:4608832d38d5 56 }
andreib10 0:4608832d38d5 57
andreib10 0:4608832d38d5 58 void resetGame(){
andreib10 0:4608832d38d5 59 if(debounce.read_ms() > 50){
andreib10 0:4608832d38d5 60 //reset the stats for players at the start of a game
andreib10 0:4608832d38d5 61 avg1 = 0;
andreib10 0:4608832d38d5 62 avg2 = 0;
andreib10 0:4608832d38d5 63 win1 = 0;
andreib10 0:4608832d38d5 64 win2 = 0;
andreib10 0:4608832d38d5 65 start();
andreib10 0:4608832d38d5 66 }
andreib10 0:4608832d38d5 67 debounce.reset();
andreib10 0:4608832d38d5 68 }
andreib10 0:4608832d38d5 69
andreib10 0:4608832d38d5 70 void start() {
andreib10 0:4608832d38d5 71 lcd.cls();
andreib10 0:4608832d38d5 72 float f = analog_value.read();
andreib10 0:4608832d38d5 73 srand(f*1000);
andreib10 0:4608832d38d5 74 t.reset(); //reset the round timer
andreib10 0:4608832d38d5 75 t.start();
andreib10 0:4608832d38d5 76 float r = (rand() % (MAX + 1 - MIN)) + MIN; //generating the random number using the analog pin
andreib10 0:4608832d38d5 77 wait(r);
andreib10 0:4608832d38d5 78 battle.reset(); //reset the timer for the reaction times
andreib10 0:4608832d38d5 79 battle.start();
andreib10 0:4608832d38d5 80 winner = 0;
andreib10 0:4608832d38d5 81 playB(); //buzzer plays the B note
andreib10 0:4608832d38d5 82 }
andreib10 0:4608832d38d5 83
andreib10 0:4608832d38d5 84 void press1() {
andreib10 0:4608832d38d5 85 if(debounce.read_ms() > 50){
andreib10 0:4608832d38d5 86 t1 = battle.read(); //read the reaction time
andreib10 0:4608832d38d5 87 avg1 += t1; //add it to the average reaction time sum
andreib10 0:4608832d38d5 88 if(winner == 0) //if player 1 is the first to press the button, increment the winner variable
andreib10 0:4608832d38d5 89 winner++;
andreib10 0:4608832d38d5 90 else { //if not, that means that the button has been already pressed, which means that player 2 won the round
andreib10 0:4608832d38d5 91 win2++;
andreib10 0:4608832d38d5 92 //print the reaction times
andreib10 0:4608832d38d5 93 lcd.cls();
andreib10 0:4608832d38d5 94 lcd.printf("Loser: %f\n", t1);
andreib10 0:4608832d38d5 95 lcd.printf("Winner: %f\n", t2);
andreib10 0:4608832d38d5 96 wait(1);
andreib10 0:4608832d38d5 97 lcd.cls();
andreib10 0:4608832d38d5 98 lcd.printf("Player 2 wins!\n");
andreib10 0:4608832d38d5 99 wait(1);
andreib10 0:4608832d38d5 100 lcd.printf("Diff: %f\n", t1-t2);
andreib10 0:4608832d38d5 101 if((win1 + win2) < 3){ //if the game is not over yet(the players did not play 3 rounds yet), start a new round
andreib10 0:4608832d38d5 102 float f = analog_value.read();
andreib10 0:4608832d38d5 103 srand(f*1000);
andreib10 0:4608832d38d5 104 float r = (rand() % (MAX + 1 - MIN)) + MIN;
andreib10 0:4608832d38d5 105 wait(r);
andreib10 0:4608832d38d5 106 start(); //starts a new round
andreib10 0:4608832d38d5 107 }
andreib10 0:4608832d38d5 108 else if(win1 > win2){ //the game is over, player 1 won more rounds
andreib10 0:4608832d38d5 109 wait(1);
andreib10 0:4608832d38d5 110 lcd.cls();
andreib10 0:4608832d38d5 111 lcd.printf("P1 is the winner!\n");
andreib10 0:4608832d38d5 112 wait(2);
andreib10 0:4608832d38d5 113 lcd.cls();
andreib10 0:4608832d38d5 114 lcd.printf("Avg P1: %f\n", avg1/3);
andreib10 0:4608832d38d5 115 wait(1);
andreib10 0:4608832d38d5 116 lcd.printf("Avg P2: %f\n", avg2/3);
andreib10 0:4608832d38d5 117 }
andreib10 0:4608832d38d5 118 else { //the game is over, player 2 won more rounds
andreib10 0:4608832d38d5 119 wait(1);
andreib10 0:4608832d38d5 120 lcd.cls();
andreib10 0:4608832d38d5 121 lcd.printf("P2 is the winner!\n");
andreib10 0:4608832d38d5 122 wait(2);
andreib10 0:4608832d38d5 123 lcd.cls();
andreib10 0:4608832d38d5 124 lcd.printf("Avg P1: %f\n", avg1/3);
andreib10 0:4608832d38d5 125 wait(1);
andreib10 0:4608832d38d5 126 lcd.printf("Avg P2: %f\n", avg2/3);
andreib10 0:4608832d38d5 127 }
andreib10 0:4608832d38d5 128 }
andreib10 0:4608832d38d5 129 }
andreib10 0:4608832d38d5 130 debounce.reset();
andreib10 0:4608832d38d5 131 }
andreib10 0:4608832d38d5 132
andreib10 0:4608832d38d5 133 void press2() {
andreib10 0:4608832d38d5 134 if(debounce.read_ms() > 50){
andreib10 0:4608832d38d5 135 t2 = battle.read(); //read the reaction time
andreib10 0:4608832d38d5 136 avg2 += t2; //add it to the average reaction time sum
andreib10 0:4608832d38d5 137 if(winner == 0) //if player 2 is the first to press the button, increment the winner variable
andreib10 0:4608832d38d5 138 winner++;
andreib10 0:4608832d38d5 139 else { //if not, that means that the button has been already pressed, which means that player 1 won the round
andreib10 0:4608832d38d5 140 win1++;
andreib10 0:4608832d38d5 141 //print the reaction times
andreib10 0:4608832d38d5 142 lcd.cls();
andreib10 0:4608832d38d5 143 lcd.printf("Loser: %f\n", t2);
andreib10 0:4608832d38d5 144 lcd.printf("Winner: %f\n", t1);
andreib10 0:4608832d38d5 145 wait(1);
andreib10 0:4608832d38d5 146 lcd.cls();
andreib10 0:4608832d38d5 147 lcd.printf("Player 1 wins!\n");
andreib10 0:4608832d38d5 148 wait(1);
andreib10 0:4608832d38d5 149 lcd.printf("Diff: %f\n", t2-t1);
andreib10 0:4608832d38d5 150 if((win1 + win2) < 3){ //if the game is not over yet(the players did not play 3 rounds yet), start a new round
andreib10 0:4608832d38d5 151 float f = analog_value.read();
andreib10 0:4608832d38d5 152 srand(f*1000);
andreib10 0:4608832d38d5 153 float r = (rand() % (MAX + 1 - MIN)) + MIN;
andreib10 0:4608832d38d5 154 wait(r);
andreib10 0:4608832d38d5 155 start(); //starts a new round
andreib10 0:4608832d38d5 156 }
andreib10 0:4608832d38d5 157 else if(win1 > win2){ //the game is over, player 1 won more rounds
andreib10 0:4608832d38d5 158 wait(1);
andreib10 0:4608832d38d5 159 lcd.cls();
andreib10 0:4608832d38d5 160 lcd.printf("P1 is the winner1");
andreib10 0:4608832d38d5 161 wait(2);
andreib10 0:4608832d38d5 162 lcd.cls();
andreib10 0:4608832d38d5 163 lcd.printf("Avg P1: %f\n", avg1/3);
andreib10 0:4608832d38d5 164 wait(1);
andreib10 0:4608832d38d5 165 lcd.printf("Avg P2: %f\n", avg2/3);
andreib10 0:4608832d38d5 166 }
andreib10 0:4608832d38d5 167 else { //the game is over, player 2 won more rounds
andreib10 0:4608832d38d5 168 wait(1);
andreib10 0:4608832d38d5 169 lcd.cls();
andreib10 0:4608832d38d5 170 lcd.printf("P2 is the winner!");
andreib10 0:4608832d38d5 171 wait(2);
andreib10 0:4608832d38d5 172 lcd.cls();
andreib10 0:4608832d38d5 173 lcd.printf("Avg P1: %f\n", avg1/3);
andreib10 0:4608832d38d5 174 wait(1);
andreib10 0:4608832d38d5 175 lcd.printf("Avg P2: %f\n", avg2/3);
andreib10 0:4608832d38d5 176 }
andreib10 0:4608832d38d5 177 }
andreib10 0:4608832d38d5 178 }
andreib10 0:4608832d38d5 179 debounce.reset();
andreib10 0:4608832d38d5 180 }
andreib10 0:4608832d38d5 181
andreib10 0:4608832d38d5 182 //function used to play the B note
andreib10 0:4608832d38d5 183 void playB(){
andreib10 0:4608832d38d5 184 for(int i = 0; i < 100; i++){
andreib10 0:4608832d38d5 185 wait(freqB/2);
andreib10 0:4608832d38d5 186 buzzer.write(1);
andreib10 0:4608832d38d5 187 wait(freqB/2);
andreib10 0:4608832d38d5 188 buzzer.write(0);
andreib10 0:4608832d38d5 189 }
andreib10 0:4608832d38d5 190 }