mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-23 16:29:34 +00:00
81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
/*
|
|
* 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 1.9 2010/06/23 10:19:15 joxe Exp $
|
|
*/
|
|
|
|
|
|
#include "contiki.h"
|
|
#include "contiki-net.h"
|
|
|
|
#include "dev/spi.h"
|
|
#include "dev/cc2420.h"
|
|
#include "dev/leds.h"
|
|
#include "isr_compat.h"
|
|
|
|
#ifndef CONF_SFD_TIMESTAMPS
|
|
#define CONF_SFD_TIMESTAMPS 0
|
|
#endif /* CONF_SFD_TIMESTAMPS */
|
|
|
|
#ifdef CONF_SFD_TIMESTAMPS
|
|
#include "cc2420-arch-sfd.h"
|
|
#endif
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
ISR(CC2420_IRQ, cc24240_fifop_interrupt)
|
|
{
|
|
ENERGEST_ON(ENERGEST_TYPE_IRQ);
|
|
|
|
/* check TA0IV - if 4 (CCR2 => FIFOP interrupt ) */
|
|
if(P1IV == (2 * (1 + CC2420_FIFOP_PIN))) {
|
|
if(cc2420_interrupt()) {
|
|
LPM4_EXIT;
|
|
}
|
|
}
|
|
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
cc2420_arch_init(void)
|
|
{
|
|
spi_init();
|
|
|
|
/* all input by default, set these as output */
|
|
CC2420_CSN_PORT(DIR) |= BV(CC2420_CSN_PIN);
|
|
CC2420_VREG_PORT(DIR) |= BV(CC2420_VREG_PIN);
|
|
CC2420_RESET_PORT(DIR) |= BV(CC2420_RESET_PIN);
|
|
|
|
#if CONF_SFD_TIMESTAMPS
|
|
cc2420_arch_sfd_init();
|
|
#endif
|
|
|
|
/* CC2420_SPI_DISABLE(); /\* Unselect radio. *\/ */
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|