Contiki 2.6
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00001 /* 00002 * Copyright (c) 2009, University of Colombo School of Computing 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 * This file is part of the Contiki operating system. 00030 * 00031 * @(#)$$ 00032 */ 00033 00034 00035 #include <avr/io.h> 00036 00037 #include "contiki.h" 00038 #include "contiki-net.h" 00039 00040 #include "dev/spi.h" 00041 #include "dev/cc2420.h" 00042 #include "dev/leds.h" 00043 00044 void 00045 cc2420_arch_init(void) 00046 { 00047 SFIOR |= BV(PUD); /* Beware, disable all pull-ups. */ 00048 00049 spi_init(); 00050 00051 DDRA |= BV(CC2420_RESET_PIN); 00052 DDRA |= BV(CC2420_VREG_PIN); 00053 DDRB &= ~BV(CC2420_FIFO_PIN); 00054 DDRD &= ~BV(CC2420_CCA_PIN); 00055 DDRD &= ~BV(CC2420_SFD_PIN); 00056 DDRE &= ~BV(CC2420_FIFOP_PIN); 00057 00058 PORTA |= BV(CC2420_RESET_PIN); 00059 PORTB |= BV(CC2420_CSN_PIN); 00060 00061 CC2420_SPI_DISABLE(); /* Unselect radio. */ 00062 } 00063 00064 ISR(CC2420_IRQ_VECTOR) 00065 { 00066 /* TODO : wakeup from sleep mode */ 00067 cc2420_interrupt(); 00068 00069 }