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112 lines
3.4 KiB
C++
112 lines
3.4 KiB
C++
#pragma once
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#include <stddef.h>
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#include <stdint.h>
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#include "knx_types.h"
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class GroupObjectTableObject;
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enum ComFlag
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{
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cfUpdate = 0,
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ReadRequest = 1,
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WriteRequest = 2,
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Transmitting = 3,
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Ok = 4,
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Error = 5
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};
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class GroupObject;
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typedef void (*GroupObjectUpdatedHandler)(GroupObject& go);
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class GroupObject
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{
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friend class GroupObjectTableObject;
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public:
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GroupObject(uint8_t size);
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virtual ~GroupObject();
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// config flags from ETS
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bool responseUpdateEnable();
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bool transmitEnable();
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bool valueReadOnInit();
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bool writeEnable();
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bool readEnable();
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bool communicationEnable();
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Priority priority();
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ComFlag commFlag();
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void commFlag(ComFlag value);
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/**
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* Get the float value from a communication object. Can be used for
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* communication objects of type 2 uint8_t float (EIS5 / DPT9). The value is in
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* 1/100 - a DPT9 value of 21.01 is returned as 2101.
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*
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* @return The value of the com-object in 1/100. INVALID_DPT_FLOAT is returned
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* for the DPT9 "invalid data" value.
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*/
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int32_t objectReadFloat();
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bool objectReadBool();
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/**
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* Request the read of a communication object. Calling this function triggers the
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* sending of a read-group-value telegram, to read the value of the communication
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* object from the bus.
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*
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* When the answer is received, the communication object's value will be updated.
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* You can cycle through all updated communication objects with nextUpdatedObject().
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*
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*
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* @see objectWritten()
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*/
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void requestObjectRead();
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/**
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* Mark a communication object as written. Use this function if you directly change
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* the value of a communication object without using objectWrite(). Calling this
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* function triggers the sending of a write-group-value telegram.
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*
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* @see requestObjectRead()
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*/
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void objectWritten();
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/**
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* Set the value of a communication object. Calling this function triggers the
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* sending of a write-group-value telegram.
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*
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* The communication object is a 2 uint8_t float (EIS5 / DPT9) object. The value is
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* in 1/100, so a value of 2101 would set a DPT9 float value of 21.01. The valid
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* range of the values is -671088.64 to 670760.96.
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*
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* @param value - the new value of the communication object in 1/100.
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* Use INVALID_DPT_FLOAT for the DPT9 "invalid data" value.
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*/
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void objectWriteFloat(int32_t value);
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/**
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* Set the value of a communication object and mark the communication object
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* as updated. This does not trigger a write-group-value telegram.
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*
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* The communication object is a 2 uint8_t float (EIS5 / DPT9) object. The value
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* is in 1/100, so a value of 2101 would set a DPT9 float value of 21.01.
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* The possible range of the values is -671088.64 to 670760.96.
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*
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* @param objno - the ID of the communication object.
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* @param value - the new value of the communication object in 1/100.
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* Use INVALID_DPT_FLOAT for the DPT9 "invalid data" value.
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*/
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void objectUpdateFloat(int32_t value);
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size_t valueSize();
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size_t asapValueSize(uint8_t code);
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size_t sizeInTelegram();
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uint8_t* valueRef();
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uint16_t asap();
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GroupObjectUpdatedHandler updateHandler;
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private:
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size_t goSize();
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uint16_t _asap;
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ComFlag _commFlag;
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uint8_t* _data;
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uint8_t _dataLength;
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GroupObjectTableObject* _table;
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};
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