/* * 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. * * @(#)$Id: cc2420-arch.c,v 1.2 2008/07/02 09:05:40 adamdunkels Exp $ */ #include <io.h> #include <signal.h> #include "contiki.h" #include "contiki-net.h" #include "dev/spi.h" #include "dev/cc2420.h" /*---------------------------------------------------------------------------*/ interrupt(PORT1_VECTOR) cc24240_port1_interrupt(void) { ENERGEST_ON(ENERGEST_TYPE_IRQ); if(cc2420_interrupt()) { LPM4_EXIT; } ENERGEST_OFF(ENERGEST_TYPE_IRQ); } /*---------------------------------------------------------------------------*/ void cc2420_arch_init(void) { spi_init(); P4DIR |= BV(CSN) | BV(VREG_EN) | BV(RESET_N); SPI_DISABLE(); /* Unselect radio. */ } /*---------------------------------------------------------------------------*/