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Dependencies:   USBDevice mbed-rtos mbed

Fork of JoyStick by Ries Twisk

AnalogInFiltered.cpp@2:ae7a31a3c618, 2013-08-30 (annotated)

Committer:
rvt
Date:
Fri Aug 30 01:37:49 2013 +0000
Revision:
2:ae7a31a3c618
Parent:
0:33bc88c4ab31
Child:
5:a0bb17c379ce
Better PushButton handling

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rvt 0:33bc88c4ab31 1 #include "AnalogInFiltered.h"
rvt 0:33bc88c4ab31 2
rvt 0:33bc88c4ab31 3
rvt 2:ae7a31a3c618 4 AnalogInFiltered::AnalogInFiltered(AnalogFilterInterface *filter, PinName pin, int fuzzyFactor) {
rvt 0:33bc88c4ab31 5 _ain = new AnalogIn(pin);
rvt 0:33bc88c4ab31 6 _filter = filter;
rvt 2:ae7a31a3c618 7 _fuzzyFactor = fuzzyFactor;
rvt 0:33bc88c4ab31 8 _lastValue=0;
rvt 0:33bc88c4ab31 9 }
rvt 0:33bc88c4ab31 10
rvt 0:33bc88c4ab31 11 AnalogInFiltered::~AnalogInFiltered() {
rvt 0:33bc88c4ab31 12 delete(_ain);
rvt 0:33bc88c4ab31 13 delete(_filter);
rvt 0:33bc88c4ab31 14 }
rvt 0:33bc88c4ab31 15
rvt 0:33bc88c4ab31 16 void AnalogInFiltered::measure () {
rvt 0:33bc88c4ab31 17 _filter->setData(_ain->read_u16() - 32768);
rvt 0:33bc88c4ab31 18 }
rvt 0:33bc88c4ab31 19
rvt 2:ae7a31a3c618 20 long AnalogInFiltered::getData() {
rvt 2:ae7a31a3c618 21 return _filter->getData();
rvt 2:ae7a31a3c618 22 }
rvt 0:33bc88c4ab31 23
rvt 2:ae7a31a3c618 24
rvt 2:ae7a31a3c618 25 bool AnalogInFiltered::getIsChanged() {
rvt 2:ae7a31a3c618 26 // _filter->setData(_ain->read_u16() - 32768);
rvt 2:ae7a31a3c618 27 if (abs(_filter->getData() - _lastValue) > _fuzzyFactor) {
rvt 0:33bc88c4ab31 28 _lastValue = _filter->getData();
rvt 0:33bc88c4ab31 29 return true;
rvt 0:33bc88c4ab31 30 }
rvt 0:33bc88c4ab31 31 return false;
rvt 0:33bc88c4ab31 32 }
rvt 0:33bc88c4ab31 33
rvt 2:ae7a31a3c618 34 int AnalogInFiltered::getFuzzyFactor() {
rvt 2:ae7a31a3c618 35 return _fuzzyFactor;
rvt 2:ae7a31a3c618 36 }