hwconf.h

/*
 * Copyright (c) 2005, 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.
 *
 * This file is part of the Contiki operating system.
 *
 * @(#)$Id: hwconf.h,v 1.2 2010/01/25 23:12:09 anthony-a Exp $
 */
#ifndef __HWCONF_H__
#define __HWCONF_H__

#include "sys/cc.h"

#include <cc2430_sfr.h>
extern uint8_t p0ien;
extern uint8_t p2ien;

#define HWCONF_PIN(name, port, bit)                                             \
static CC_INLINE void name##_SELECT() {P##port##SEL &= ~(1 << bit);}            \
static CC_INLINE void name##_SELECT_IO() {P##port##SEL &= ~(1 << bit);}         \
static CC_INLINE void name##_SELECT_PM() {P##port##SEL |= 1 << bit;}            \
static CC_INLINE void name##_SET() {P##port##_##bit = 1; }                      \
static CC_INLINE void name##_CLEAR() {P##port##_##bit = 0; }                    \
static CC_INLINE unsigned char name##_READ() {return P##port##_##bit; }        \
static CC_INLINE void name##_MAKE_OUTPUT() {P##port##DIR |= 1 << bit;}        \
static CC_INLINE void name##_MAKE_INPUT() {P##port##DIR &= ~(1 << bit); }

#define HWCONF_IRQ_XXX(name, port, bit)                                                 \
static CC_INLINE void name##_ENABLE_IRQ() {                                     \
  if ( port == 2 ) { PICTL |= P2IEN; p2ien |= 1<<bit; }                         \
  if (( port == 0) && ( bit <4)) { PICTL |= P0IENL; p0ien |= 1<<bit; }      \
  if ((port == 0) && ( bit >=4)) { PICTL |= P0IENH; p0ien |= 1<<bit; }     \
  if ( port == 1) { P##port##IEN |= 1 << bit; }                                 \
}                                                                               \
static CC_INLINE void name##_DISABLE_IRQ() {                                    \
  if ( port == 2 ) {                                                    \
        p2ien &= ~(1<<bit);                                                     \
        if (p2ien==0) PICTL &= ~P2IEN;                                          \
  }                                                                             \
  if (( port == 0) && ( bit <4)) {                                      \
        p0ien &= ~(1<<bit);                                                     \
        if ((p0ien&0xf)==0) PICTL &= ~P0IENL;                                   \
  }                                                                             \
  if (( port == 0) && ( bit >=4)) {                                     \
        p0ien &= ~(1<<bit);                                                     \
        if ((p0ien&0xf0)==0) PICTL &= ~P0IENH;                                  \
  }                                                                             \
  if ( port == 1) { P##port##IEN &= ~(1 << bit); }                              \
}                                                                               \
static CC_INLINE int  name##_IRQ_ENABLED() {return P##port##IEN & (1 << bit);}  \
static CC_INLINE int  name##_CHECK_IRQ() {return P##port##IFG & (1 << bit);} \
static CC_INLINE int  name##_IRQ_PORT() {return IRQ_PORT##port;}

#define HWCONF_IRQ(name, port, bit)                                             \
static CC_INLINE void name##_ENABLE_IRQ() {                                     \
  if ( port == 1) { P##port##IEN |= 1 << bit; }                                 \
}                                                                               \
static CC_INLINE void name##_DISABLE_IRQ() {                                    \
  if ( port == 1) { P##port##IEN &= ~(1 << bit); }                              \
}                                                                               \
static CC_INLINE int  name##_IRQ_ENABLED() {return P##port##IEN & (1 << bit);}  \
static CC_INLINE int  name##_CHECK_IRQ() {return P##port##IFG & (1 << bit);} \
static CC_INLINE int  name##_IRQ_PORT() {return IRQ_PORT##port;}

#endif /* __HWCONF_H__ */