forked from luon/wordclock
Ignore first sample from ADC
ADC of AVR contains a 'bug' that causes first sample to be corrupt. Fixed in code now.
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@ -194,6 +194,9 @@ void setup()
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pinMode(LED4PIN, OUTPUT);
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pinMode(LED4PIN, OUTPUT);
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analogReference(DEFAULT);
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analogReference(DEFAULT);
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// known 'bug' in AVR ADC: after switching analog reference, first sample
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// could be corrupt and should be ignored --> discard this sample now
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analogRead(LIGHTSENSOR_INPUTPIN);
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current_brightnes=MAXBRIGHTNESS;
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current_brightnes=MAXBRIGHTNESS;
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