bpsscales.h

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#ifndef BPSSCALES_H
#define BPSSCALES_H
 
#include "bpsdecimal.h"
#include <QMap>
#include <QObject>
 
class BPSCORE_EXPORT BpsScales : public QObject
{
    Q_OBJECT
    BPS_PRIVATE(BpsScales)
 
public:
    enum {
        StatusStable    = 0,        // The weight was successfully read and is stable.
        StatusDynamic   = 1,        // The weight was successfully read but is dynamic (moving).
        StatusOverload  = 2,        // The scales is overloaded (above valid maximum weight).
        StatusUnderload = 3,        // The scales is underloaded (below valid minimum weight).
        StatusError     = 4         // The scales is in error state (but still can communicate with host obviously).
    };
 
    BpsScales(QObject* aParent=0);
 
    virtual ~BpsScales();
 
    void setConfig(const QMap<QString,QString>& aConfig);
 
    QMap<QString,QString> config() const;
 
    virtual bool canTare() const;
 
    virtual void requestReadWeight() = 0;
 
    virtual void requestReadTare();
 
    virtual void requestTakeTare();
 
    virtual void requestClearTare();
 
signals:
 
    void readWeightOk(int aStatus, const BpsDecimal& aWeight, bool aTared);
 
    void readWeightError(const QString& aMessage);
 
    void readTareOk(const BpsDecimal& aTare);
 
    void readTareError(const QString& aMessage);
 
    void takeTareOk();
 
    void takeTareError(const QString& aMessage);
 
    void clearTareOk();
 
    void clearTareError(const QString& aMessage);
 
    void ok();
 
    void error(const QString& aMessage);
 
};
 
#endif // BPSSCALES_H