nes-proj/arch/cpu/simplelink/dev/rf-core.c

/*
 * Copyright (c) 2015, Texas Instruments Incorporated - http://www.ti.com/
 * 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 copyright holder 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 COPYRIGHT HOLDERS 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
 * COPYRIGHT HOLDER 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.
 */
/*---------------------------------------------------------------------------*/
/**
 * \addtogroup rf-core
 * @{
 *
 * \file
 * Implementation of the CC13xx/CC26xx RF core driver
 */
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "dev/watchdog.h"
#include "sys/process.h"
#include "sys/clock.h"
#include "sys/ctimer.h"
#include "sys/energest.h"
#include "sys/cc.h"
#include "net/netstack.h"
#include "net/packetbuf.h"
/*---------------------------------------------------------------------------*/
#include <ti/drivers/rf/RF.h>
/*---------------------------------------------------------------------------*/
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
/*---------------------------------------------------------------------------*/
#define DEBUG 0
#if DEBUG
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*---------------------------------------------------------------------------*/
PROCESS(RF_coreProcess, "SimpleLink RF driver");
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(RF_coreProcess, ev, data)
{
  int len;

  PROCESS_BEGIN();

  while(1) {
    PROCESS_YIELD_UNTIL(ev == PROCESS_EVENT_POLL);
    do {
      watchdog_periodic();
      packetbuf_clear();
      len = NETSTACK_RADIO.read(packetbuf_dataptr(), PACKETBUF_SIZE);

      if(len > 0) {
        packetbuf_set_datalen(len);

        NETSTACK_MAC.input();
      }
    } while(len > 0);
  }
  PROCESS_END();
}
/*---------------------------------------------------------------------------*/
/** @} */