Contiki 2.6
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00001 /* 00002 * Copyright (c) 2007, Swedish Institute of Computer Science 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * @(#)$Id: cc2420_spi.c,v 1.2 2010/06/23 10:44:41 joxe Exp $ 00030 */ 00031 00032 #include <avr/io.h> 00033 00034 #include "contiki.h" 00035 #include "contiki-net.h" 00036 00037 #include "dev/spi.h" 00038 #include "dev/cc2420.h" 00039 00040 void 00041 __cc2420_arch_init(void) 00042 { 00043 SFIOR |= BV(PUD); /* Beware, disable all pull-ups. */ 00044 00045 spi_init(); 00046 00047 DDRB |= BV(CC2420_RESET_PIN) | BV(CC2420_VREG_PIN) | BV(CC2420_CSN_PIN); 00048 PORTB |= BV(CC2420_RESET_PIN) | BV(CC2420_CSN_PIN); 00049 00050 SPI_DISABLE(); /* Unselect radio. */ 00051 } 00052 00053 ISR(SIG_INTERRUPT0) 00054 { 00055 __cc2420_intr(); 00056 }