mirror of https://github.com/rusefi/speeduino.git
18 lines
658 B
C
18 lines
658 B
C
// The following are alpha values for the ADC filters.
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// Their values are from 0 to 255 with 0 being no filtering and 255 being maximum
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#define ADCFILTER_TPS 128
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#define ADCFILTER_CLT 180
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#define ADCFILTER_IAT 180
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#define ADCFILTER_O2 128
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#define ADCFILTER_BAT 128
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/*
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* Simple low pass IIR filter macro for the analog inputs
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* This is effectively implementing the smooth filter from http://playground.arduino.cc/Main/Smooth
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* But removes the use of floats and uses 8 bits of fixed precision.
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*/
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#define ADC_FILTER(input, alpha, prior) (((long)input * (256 - alpha) + ((long)prior * alpha))) >> 8
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void instanteneousMAPReading();
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void readMAP();
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