70 lines
1.2 KiB
C++
70 lines
1.2 KiB
C++
#define BUTTON 2
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#define BUZZER 8
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#define WINNER 5
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int delay_ms;
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void setup() {
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pinMode(BUTTON, INPUT);
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pinMode(3, OUTPUT);
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pinMode(4, OUTPUT);
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pinMode(5, OUTPUT);
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pinMode(6, OUTPUT);
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pinMode(7, OUTPUT);
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pinMode(BUZZER, OUTPUT);
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}
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void buzz(int ms) {
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digitalWrite(BUZZER, HIGH);
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delay(ms);
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digitalWrite(BUZZER, LOW);
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}
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void set_all_leds(int state) {
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for (int i = 3; i <= 7; i++) {
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digitalWrite(i, state);
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}
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}
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void do_winner(void) {
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set_all_leds(HIGH);
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buzz(100);
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delay(100);
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buzz(100);
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set_all_leds(LOW);
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}
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void do_loser(void) {
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buzz(500);
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}
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void check_delay(int cur_led, int delay_ms) {
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unsigned long start = millis();
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while (millis() < start+delay_ms) {
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if (digitalRead(BUTTON) == LOW) {
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if (cur_led == WINNER) {
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do_winner();
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} else {
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while (digitalRead(BUTTON) == LOW) {
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do_loser();
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}
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}
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}
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}
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}
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void loop() {
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for (int i = 4; i <= 7; i++) {
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delay_ms = analogRead(A0);
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digitalWrite(i - 1, LOW);
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digitalWrite(i, HIGH);
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check_delay(i, delay_ms);
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}
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for (int i = 6; i >= 3; i--) {
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delay_ms = analogRead(A0);
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digitalWrite(i + 1, LOW);
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digitalWrite(i, HIGH);
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check_delay(i, delay_ms);
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}
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}
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