text: /*
   * Copyright (c) 2006, Swedish Institute of Computer Science
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the Institute nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   */
  
  #include "contiki.h"
  #include "contiki-net.h"
  #include "dev/spi.h"
  #include "dev/cc2420.h"
  #include "isr_compat.h"
  
  #ifndef CONF_SFD_TIMESTAMPS
  #define CONF_SFD_TIMESTAMPS 0
  #endif /* CONF_SFD_TIMESTAMPS */
  
  #ifdef CONF_SFD_TIMESTAMPS
  #include "cc2420-arch-sfd.h"
  #endif
  
  /*---------------------------------------------------------------------------*/
  #if 0
  // this is now handled in the ADXL345 accelerometer code as it uses irq on port1 too.
  ISR(CC2420_IRQ, cc24240_port1_interrupt)
  {
    ENERGEST_ON(ENERGEST_TYPE_IRQ);
    if(cc2420_interrupt()) {
      LPM4_EXIT;
    }
    ENERGEST_OFF(ENERGEST_TYPE_IRQ);
  }
  #endif
  /*---------------------------------------------------------------------------*/
  void
  cc2420_arch_init(void)
  {
    spi_init();
  
    /* all input by default, set these as output */
    CC2420_CSN_PORT(DIR) |= BV(CC2420_CSN_PIN);
    CC2420_VREG_PORT(DIR) |= BV(CC2420_VREG_PIN);
    CC2420_RESET_PORT(DIR) |= BV(CC2420_RESET_PIN);
  
  #if CONF_SFD_TIMESTAMPS
    cc2420_arch_sfd_init();
  #endif
  
    CC2420_SPI_DISABLE();                /* Unselect radio. */
  }
  /*---------------------------------------------------------------------------*/
  