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50 lines
923 B
Plaintext
50 lines
923 B
Plaintext
15 years ago
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int pinA = 7;
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int pinB = 8;
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int pinLED = 13;
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int pinLEDstate = LOW;
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long prevMillis = 0;
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void setup() {
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Serial.begin(9600);
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pinMode(pinA, INPUT);
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digitalWrite(pinA, HIGH);
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pinMode(pinB, INPUT);
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digitalWrite(pinB, HIGH);
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pinMode(pinLED, OUTPUT);
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}
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int a_old, b_old, dreh;
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void loop() {
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// shall we blink
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// if (millis() - prevMillis > 100) {
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// prevMillis = millis();
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//
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// if (pinLEDstate == LOW)
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// pinLEDstate = HIGH;
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// else
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// pinLEDstate = LOW;
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// digitalWrite(pinLED, pinLEDstate);
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//
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int a = digitalRead(pinA);
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int b = digitalRead(pinB);
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if (a != a_old || b != b_old) {
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Serial.print(digitalRead(pinA));
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Serial.print(" ");
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Serial.print(digitalRead(pinB));
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Serial.println();
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dreh++;
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// Serial.println("C:> _");
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} else {
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if (dreh%2 == 0) {
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Serial.println();
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}
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}
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digitalWrite(pinLED, a);
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a_old = a; b_old = b;
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}
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