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Dependencies:   USBDevice mbed-rtos mbed

Fork of JoyStick by Ries Twisk

AnalogInFiltered.h

Committer:
rvt
Date:
2013-08-28
Revision:
1:5b2ab44eb31f
Parent:
0:33bc88c4ab31
Child:
2:ae7a31a3c618

File content as of revision 1:5b2ab44eb31f:

#ifndef ANALOGINFILTERED_H
#define ANALOGINFILTERED_H

#include "mbed.h"
#include "AnalogFilterInterface.h"

/**
Analog input, this reads a analog value from a PIN and send the data through the filterchain
*/
class AnalogInFiltered {
    private:
        AnalogIn *_ain;
        long   _lastValue;
        AnalogFilterInterface   *_filter;
    public:   
        /**
        filter : Failter chain
        pin : Analog input to read
        */
        AnalogInFiltered(AnalogFilterInterface *filter, PinName pin);
        ~AnalogInFiltered();
        
        // Read a value from analog in
        void measure ();
        
        // Return the filtered value
        long getValue();
        
        // Test if the input value is changed based on a offset
        bool getIsChanged(int offSet);
};

#endif