/* * @file adc_external.h * * external ADC is probably broken, at least there is a major mess * * @date Aug 18, 2013 * @author Andrey Belomutskiy, (c) 2012-2020 */ #pragma once #include "mcp3208.h" /* 12 bits, 5V reference */ #define adcRawValueToScaledVoltage(adc) (5.0f / 4095 * (adc)) #define adcGetRawValue(channel) getMcp3208adc(channel) /* NOTE: no call to getAnalogInputDividerCoefficient() */ #define adcGetScaledVoltage(msg, channel) (isAdcChannelValid(channel) ? adcRawValueToScaledVoltage(adcGetRawValue(msg, channel), channel) : 66.66)