.. _gettingStartedSineTableGenDoc:

.. index:: single: Example; Sine Table Generator

====================
Sine Table Generator
====================

::

	constant Size { value: 1024 }

	signal SineTable [Size] { rate: none }

	SineTableGenerator ( size: Size ) >> SineTable;

::

	module SineTableGenerator {
		input:			none
		output:			Output
		propertyName:		'size'
		propertyDirection:	in
		propertyBlock: 		constant Size { value: 128 }	# This forces size to be local to SineTableGenerator (global scope lost)
		internalBlock:		[
			signal Output [Size] {
				default:	0.0
				rate:		none
			},
			reaction FillTable {
				output:		Samples
				terminateWhen:	Stop
				internalBlock:	[
					signal Sample {
						default:	0.0
						rate:		Size
						reset:		none
					},
					signal Index {
						default:	1
						rate:		Size
						reset:		none
					},
					signal Samples [Size] {
						default: 	0.0
						rate:		none
						reset:		none
					},
					switch Stop { default: off reset: none }
				]
				streams:	[
					Oscillator ( type: 'Sine' frequency: 1.0 ) >> Sample >> Samples [Index];
					Index + 1 >> Index >> Compare ( value: Size operator: 'Greater' ) >> Stop;
				]
			}
		]
		streams:		FillTable () >> Output;
	}