Overview

Debounces signals

Discussion

Debouncer module which limits how often a signal can change. After a signal changes, the module holds the current block for .waitTime milliseconds before allowing it to change again. If a signal is constantly changing then it will only change every .waitTime milliseconds.

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At the start of processing, the module samples and holds the first input block. It holds this block for .waitTime until finally resampling the input.

Type Definition

typedef struct _ModuleDebounce
{
    ModuleInstanceDescriptor instance;            // Common Audio Weaver module instance structure
    FLOAT32 waitTime;                             // Waiting time before switching
    INT32 count;                                  // Counts down to zero
    INT32 waitCount;                              // waitTime as a number of blocks
    INT32 firstTime;                              // Indicates first block processed
    INT32* previousBlock;                         // Held block
} ModuleDebounceClass;

Variables

Properties

Pins

Input Pins

Name: in

Description: audio input

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Sample rate range: Unrestricted

Complex support: Real

Output Pins

Name: out

Description: audio output

Data type: {float, int, fract32}

MATLAB Usage

File Name: debounce_module.m

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