24 lines
610 B
C
24 lines
610 B
C
/**
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* @file adc_math.h
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*
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* @date Mar 18, 2014
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* @author Andrey Belomutskiy, (c) 2012-2016
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*/
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#ifndef ADC_MATH_H_
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#define ADC_MATH_H_
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// it is important that this constant is a float, not double literal
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#define ADC_VCC 3.0f
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#define ADC_MAX_VALUE 4095
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#define adcToVolts(adc) (ADC_VCC / ADC_MAX_VALUE * (adc))
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#define voltsToAdc(volts) ((volts) * (ADC_MAX_VALUE / ADC_VCC))
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#define getVoltage(msg, hwChannel) (adcToVolts(getAdcValue(msg, hwChannel)))
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#define getVoltageDivided(msg, hwChannel) (getVoltage(msg, hwChannel) * engineConfiguration->analogInputDividerCoefficient)
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#endif /* ADC_MATH_H_ */
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