2007-01-25 18:22:55 +00:00
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/*
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* Copyright (c) 2007, Swedish Institute of Computer Science
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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2007-02-01 14:46:07 +00:00
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* @(#)$Id: cc2420_spi.c,v 1.1 2007/02/01 14:46:07 bg- Exp $
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2007-01-25 18:22:55 +00:00
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*/
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#include <avr/io.h>
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#include "contiki.h"
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#include "contiki-net.h"
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#include "dev/spi.h"
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#include "dev/cc2420.h"
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void
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__cc2420_arch_init(void)
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{
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SFIOR |= BV(PUD); /* Beware, disable all pull-ups. */
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spi_init();
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DDRB |= BV(RESET_N) | BV(VREG_EN) | BV(CSN);
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PORTB |= BV(RESET_N) | BV(CSN);
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SPI_DISABLE(); /* Unselect radio. */
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}
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ISR(SIG_INTERRUPT0)
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{
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__cc2420_intr();
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}
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