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@ -0,0 +1,28 @@ |
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#define xPin A5
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#define yPin A6
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int16_t xValue = 0; |
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int16_t yValue = 0; |
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void setup() { |
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Serial.begin(9600); |
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} |
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void loop() { |
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koordinaten(analogRead(xPin), analogRead(yPin)); |
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Serial.println("X: "); |
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Serial.println(xValue); |
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Serial.println("Y: "); |
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Serial.println(yValue); |
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delay(200); |
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} |
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void koordinaten(uint16_t x, uint16_t y) { |
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//9-bit reichen, der ADC schafft bestenfalls 8-bit praezision
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x = x >> 1; |
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y = y >> 1; |
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xValue = map(x, 0, 511, -255, 255); |
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yValue = map(y, 0, 511, 255, -255); |
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} |