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PDM : PDM class

read()

Description

Read data from the PDM into the specified buffer.

Syntax

PDM.read(buffer, size)

Parameters

buffer: array to store the PDM data into
size: number of bytes to read

Returns

The number of bytes read

Example

…
// buffer to read samples into, each sample is 16-bits
short sampleBuffer[256];

// number of samples read
volatile int samplesRead;

// …

  // query the number of bytes available
  int bytesAvailable = PDM.available();

  // read into the sample buffer
  Int bytesRead = PDM.read(sampleBuffer, bytesAvailable);

  // 16-bit, 2 bytes per sample
  samplesRead = bytesRead / 2;
…
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See Also



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