onfig DATA, WS and BCK GPIO pin. </p>
<dl class="section attention"><dt>Attention</dt><dd>This API can be called only once per mode.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">uint8</td><td>mode : i2s mode select between TX_MASTER, TX_SLAVE, RX_MASTER, RX_SLAVE;</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>null </dd></dl>

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