cc2420ram.nc

Develop Zigbee network real-time Os

/*
 * Copyright (c) 2005-2006 Arch Rock Corporation
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 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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/**
 * HAL abstraction for accessing theRAM of a ChipCon CC2420 radio.
 *
 * @author Jonathan Hui <[e-mail]>
 * @version $Revision: 1.1.2.8 $ $Date: 2006/06/20 18:56:04 $
 */

#include "CC2420.h"

interface CC2420Ram {

  /**
   * Read data from a RAM. This operation is sychronous.
   *
   * @param offset within the field.
   * @param data a pointer to the receive buffer.
   * @param length number of bytes to read.
   * @return status byte returned when sending the last byte
   * of the SPI transaction.
   */
  async command cc2420_status_t read( uint8_t offset, uint8_t* data, uint8_t length );

  /**
   * Write data to RAM. This operation is sychronous.
   *
   * @param offset within the field.
   * @param data a pointer to the send buffer.
   * @param length number of bytes to write.
   * @return status byte returned when sending the last address byte
   * of the SPI transaction.
   */
  async command cc2420_status_t write( uint8_t offset, uint8_t* data, uint8_t length );

}