* Transfer data to and from SPI device Receive pointer may be null if
* return data is not needed.
*
- * @param data buffer to send
+ * @param txBuf buffer to send
* @param rxBuf buffer to optionally receive data from spi device
* @param length size of buffer to send
* @return Result of operation
* Transfer data to and from SPI device Receive pointer may be null if
* return data is not needed.
*
- * @param data buffer to send
+ * @param txBuf buffer to send
* @param rxBuf buffer to optionally receive data from spi device
* @param length size of buffer to send
* @return Result of operation