35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
void setup() {
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for (int i = 0; i < 8; ++i) pinMode(i, OUTPUT);
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analogReadResolution(8);
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}
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void loop() {
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int len = 0;
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int seq[1000];
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while (len < 3) seq[len++] = random(0, 4); // generate 3 random numbers
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while (1) {
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seq[len++] = random(0, 4); // generate another random number
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for (int i = 0; i < len; ++i) { // flash the LEDs according to seq
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digitalWrite(2*seq[i]+1, HIGH);
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delay(500);
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digitalWrite(2*seq[i]+1, LOW);
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delay(500);
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}
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for (int i = 0; i < len; ++i) {
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while (analogRead(A0) < 240 && analogRead(A1) < 240 && analogRead(A2) < 240 && analogRead(A3) < 240); // wait for press
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for (int j = 0; j < 4; ++j) // check which button was pressed and whether it matches seq
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if (analogRead(A0+j) > 240 && seq[i] != j) goto DONE; // Legit use case of goto to jump out of 3 loops
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delay(250);
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}
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for (int i = 0; i < 8; ++i) { // flash green lights 4 times
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for (int j = 0; j < 4; ++j) digitalWrite(2*j+1, (i+1)%2);
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delay(100);
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}
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}
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DONE:
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for (int i = 0; i < 8; ++i) { // flash red lights 4 times
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for (int j = 0; j < 4; ++j) digitalWrite(2*j, (i+1)%2);
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delay(100);
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}
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}
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