From 2c53a3807577fd1a272db434186c2a9ce4a4aee2 Mon Sep 17 00:00:00 2001 From: adamdunkels Date: Fri, 25 May 2007 08:07:54 +0000 Subject: [PATCH] Architecture dependent code for the CC2420 driver --- cpu/msp430/simple-cc2420-arch.c | 60 +++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 cpu/msp430/simple-cc2420-arch.c diff --git a/cpu/msp430/simple-cc2420-arch.c b/cpu/msp430/simple-cc2420-arch.c new file mode 100644 index 000000000..fcbbcfbcd --- /dev/null +++ b/cpu/msp430/simple-cc2420-arch.c @@ -0,0 +1,60 @@ +/* + * 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: simple-cc2420-arch.c,v 1.1 2007/05/25 08:07:54 adamdunkels Exp $ + */ + +#include +#include + +#include "contiki.h" +#include "contiki-net.h" + +#include "dev/spi.h" +#include "dev/simple-cc2420.h" +/*---------------------------------------------------------------------------*/ +interrupt(PORT1_VECTOR) +simple_cc24240_port1_interrupt(void) +{ + ENERGEST_ON(ENERGEST_TYPE_IRQ); + if(simple_cc2420_interrupt()) { + LPM4_EXIT; + } + ENERGEST_OFF(ENERGEST_TYPE_IRQ); +} +/*---------------------------------------------------------------------------*/ +void +simple_cc2420_arch_init(void) +{ + spi_init(); + + P4DIR |= BV(CSN) | BV(VREG_EN) | BV(RESET_N); + + SPI_DISABLE(); /* Unselect radio. */ +} +/*---------------------------------------------------------------------------*/