34 lines
843 B
C++
34 lines
843 B
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 (1) {
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seq[len++] = random(0, 4);
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for (int i = 0; i < len; ++i) {
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digitalWrite(seq[i]<<1|1, HIGH);
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delay(500);
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digitalWrite(seq[i]<<1|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);
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for (int j = 0; j < 4; ++j)
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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(500);
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}
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for (int i = 0; i < 8; ++i) {
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for (int j = 0; j < 4; ++j) digitalWrite(j<<1|1, i&1^1);
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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) {
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for (int j = 0; j < 4; ++j) digitalWrite(j<<1, i&1^1);
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delay(100);
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}
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}
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