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PDM : PDM class

setBufferSize()

Description

Set the buffer size (in bytes) used by the PDM interface. Must be called before PDM.begin(...), a default buffer size of 512 is used if not called. This is enough to hold 256 16-bit samples.

Syntax

PDM.setBufferSize(size)

Parameters

size: buffer size to use in bytes

Returns

Nothing

Example

…
  PDM.setBufferSize(1024);

  // initialize PDM with:
  // - one channel (mono mode)
  // - a 16 kHz sample rate
  if (!PDM.begin(1, 16000)) {
    Serial.println("Failed to start PDM!");
    while (1);
  }

…
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See Also



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