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CDP Studio Documentation

  • Framework - Automation
  • BitPackOperator
  • 5.0.0

BitPackOperator Class

(Automation::BitPackOperator)

Pack boolean value from source into input value's bit position BitNo to produce output value. More...

Header: #include <BitPackOperator>
Inherits: CDPOperator<T>
  • List of all members, including inherited members

Public Functions

BitPackOperator(const CDPPropertyBase &in)
virtual ~BitPackOperator()

Reimplemented Public Functions

virtual void Configure(XMLPrimitive *pObjectXML) override
virtual unsigned int Process() override
  • 18 public functions inherited from CDPOperator
  • 17 public functions inherited from CDPOperatorBase
  • 49 public functions inherited from CDPBaseObject
  • 27 public functions inherited from CDP::StudioAPI::CDPNode
  • 22 public functions inherited from CDP::StudioAPI::ICDPNode

Additional Inherited Members

  • 1 public variable inherited from CDPOperatorBase
  • 1 static public member inherited from CDPBaseObject
  • 1 protected function inherited from CDP::StudioAPI::CDPNode
  • 8 protected variables inherited from CDPOperator
  • 5 protected variables inherited from CDPOperatorBase
  • 10 protected variables inherited from CDPBaseObject

Detailed Description

Pack boolean value from source into input value's bit position BitNo to produce output value.

A BitPackOperator bitwise ORs bit BitNo of default input by Source boolean value into output; Pseudocode for this operator:

Out = In | (Source << BitNo);

Arguments

Argument NameDescription
InThe default input value.
OutThe Packed value where Source value is set at position BitNo.
SourceBoolean value that is packed to output.
BitNoZero-based index of the bit of value.

When operator is used inside a signal its default input is automatically tied to signal's InternalValue or previous operator's output. Its default output is automatically tied to next operator's input or to signal's Value. See also CDP Operator Usage In CDP Signals.

Actual Processing Code of the BitPackOperator

unsigned int BitPackOperator<T>::Process()
{
  if (!d->bitNo || !d->source)
    return STATUS_ERROR;

  this->m_output = static_cast<T>(this->m_input) | (static_cast<T>(static_cast<bool>(*(d->source))?1:0) << static_cast<unsigned char>(*(d->bitNo)));
  return STATUS_OK;
}

See also BitExtractOperator and Argument.

Member Function Documentation

BitPackOperator::BitPackOperator(const CDPPropertyBase &in)

Constructs an BitPackOperator with input in.

[virtual] BitPackOperator::~BitPackOperator()

Destructs the BitPackOperator

[override virtual] void BitPackOperator::Configure(XMLPrimitive *pObjectXML)

Reimplemented from CDPBaseObject::Configure().

[override virtual] unsigned int BitPackOperator::Process()

Reimplemented from CDPOperatorBase::Process().

Returns STATUS_OK.

The content of this document is confidential information not to be published without the consent of CDP Technologies AS.

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