nes-proj/arch/cpu/cc2538/dev/ioc.c

/*
 * Copyright (c) 2012, 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 cc2538-ioc
 * @{
 *
 * \file
 * Implementation of IOC functions
 */
#include "contiki.h"
#include "dev/ioc.h"

#include <stdint.h>

static uint32_t *ioc_over;
static uint32_t *ioc_sel;
/*---------------------------------------------------------------------------*/
void
ioc_init()
{
  ioc_over = (uint32_t *)IOC_PA0_OVER;
  ioc_sel = (uint32_t *)IOC_PA0_SEL;
}
/*---------------------------------------------------------------------------*/
void
ioc_set_over(uint8_t port, uint8_t pin, uint8_t over)
{
  ioc_over[(port << 3) + pin] = over;
}
/*---------------------------------------------------------------------------*/
uint32_t
ioc_get_over(uint8_t port, uint8_t pin)
{
  return ioc_over[(port << 3) + pin] & 0x0F;
}
/*---------------------------------------------------------------------------*/
void
ioc_set_sel(uint8_t port, uint8_t pin, uint8_t sel)
{
  ioc_sel[(port << 3) + pin] = sel;
}
/*---------------------------------------------------------------------------*/

/** @} */