N K / Mbed 2 deprecated GaNtroller

a fork of priustroller

Dependencies:   mbed

Fork of priustroller_current by N K

currentsensors.cpp

Committer:
bwang
Date:
2015-03-01
Revision:
1:1f58bdcf2956
Parent:
0:54cf32d35f4d
Child:
6:99ee0ce47fb2

File content as of revision 1:1f58bdcf2956:

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

AnalogCurrentSensor::AnalogCurrentSensor(PinName pin, float volts_per_amp) {
    _in = new AnalogIn(pin);
    _volts_per_amp = volts_per_amp;
    Zero();
}

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

float AnalogCurrentSensor::GetCurrent() {
    return ((float) *_in - _zero_level) * 3.3f / _volts_per_amp;
}