hwconf.h

00001 /*
00002  * Copyright (c) 2005, Swedish Institute of Computer Science
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the Institute nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  *
00029  * This file is part of the Contiki operating system.
00030  *
00031  * @(#)$Id: hwconf.h,v 1.2 2010/01/25 23:12:09 anthony-a Exp $
00032  */
00033 #ifndef __HWCONF_H__
00034 #define __HWCONF_H__
00035 
00036 #include "sys/cc.h"
00037 
00038 #include <cc2430_sfr.h>
00039 extern uint8_t p0ien;
00040 extern uint8_t p2ien;
00041 
00042 #define HWCONF_PIN(name, port, bit)                                             \
00043 static CC_INLINE void name##_SELECT() {P##port##SEL &= ~(1 << bit);}            \
00044 static CC_INLINE void name##_SELECT_IO() {P##port##SEL &= ~(1 << bit);}         \
00045 static CC_INLINE void name##_SELECT_PM() {P##port##SEL |= 1 << bit;}            \
00046 static CC_INLINE void name##_SET() {P##port##_##bit = 1; }                      \
00047 static CC_INLINE void name##_CLEAR() {P##port##_##bit = 0; }                    \
00048 static CC_INLINE unsigned char name##_READ() {return P##port##_##bit; }        \
00049 static CC_INLINE void name##_MAKE_OUTPUT() {P##port##DIR |= 1 << bit;}        \
00050 static CC_INLINE void name##_MAKE_INPUT() {P##port##DIR &= ~(1 << bit); }
00051 
00052 #define HWCONF_IRQ_XXX(name, port, bit)                                                 \
00053 static CC_INLINE void name##_ENABLE_IRQ() {                                     \
00054   if ( port == 2 ) { PICTL |= P2IEN; p2ien |= 1<<bit; }                         \
00055   if (( port == 0) && ( bit <4)) { PICTL |= P0IENL; p0ien |= 1<<bit; }      \
00056   if ((port == 0) && ( bit >=4)) { PICTL |= P0IENH; p0ien |= 1<<bit; }     \
00057   if ( port == 1) { P##port##IEN |= 1 << bit; }                                 \
00058 }                                                                               \
00059 static CC_INLINE void name##_DISABLE_IRQ() {                                    \
00060   if ( port == 2 ) {                                                    \
00061         p2ien &= ~(1<<bit);                                                     \
00062         if (p2ien==0) PICTL &= ~P2IEN;                                          \
00063   }                                                                             \
00064   if (( port == 0) && ( bit <4)) {                                      \
00065         p0ien &= ~(1<<bit);                                                     \
00066         if ((p0ien&0xf)==0) PICTL &= ~P0IENL;                                   \
00067   }                                                                             \
00068   if (( port == 0) && ( bit >=4)) {                                     \
00069         p0ien &= ~(1<<bit);                                                     \
00070         if ((p0ien&0xf0)==0) PICTL &= ~P0IENH;                                  \
00071   }                                                                             \
00072   if ( port == 1) { P##port##IEN &= ~(1 << bit); }                              \
00073 }                                                                               \
00074 static CC_INLINE int  name##_IRQ_ENABLED() {return P##port##IEN & (1 << bit);}  \
00075 static CC_INLINE int  name##_CHECK_IRQ() {return P##port##IFG & (1 << bit);} \
00076 static CC_INLINE int  name##_IRQ_PORT() {return IRQ_PORT##port;}
00077 
00078 #define HWCONF_IRQ(name, port, bit)                                             \
00079 static CC_INLINE void name##_ENABLE_IRQ() {                                     \
00080   if ( port == 1) { P##port##IEN |= 1 << bit; }                                 \
00081 }                                                                               \
00082 static CC_INLINE void name##_DISABLE_IRQ() {                                    \
00083   if ( port == 1) { P##port##IEN &= ~(1 << bit); }                              \
00084 }                                                                               \
00085 static CC_INLINE int  name##_IRQ_ENABLED() {return P##port##IEN & (1 << bit);}  \
00086 static CC_INLINE int  name##_CHECK_IRQ() {return P##port##IFG & (1 << bit);} \
00087 static CC_INLINE int  name##_IRQ_PORT() {return IRQ_PORT##port;}
00088 
00089 #endif /* __HWCONF_H__ */