N K / Mbed 2 deprecated analoghalls5_5

working-est copy with class-based code. still open loop

Dependencies:   mbed

Fork of analoghalls6 by N K

voltagesensors.cpp

Committer:
nki
Date:
2015-03-08
Revision:
10:b4abecccec7a
Parent:
1:1f58bdcf2956

File content as of revision 10:b4abecccec7a:

#include "includes.h"
#include "sensors.h"

AnalogVoltageSensor::AnalogVoltageSensor(PinName pin, float scale) {
    _in = new AnalogIn(pin);
    _scale = scale;
}

void AnalogVoltageSensor::Zero() {
    _zero_level = (float) *_in;
}

float AnalogVoltageSensor::GetVoltage() {
    return ((float) *_in - _zero_level) * 3.3f / _scale;
}