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