/*
 * Copyright (c) 2005 Steve Underwood
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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: isr_compat.h,v 1.3 2005/12/08 17:29:52 coppice Exp $
 */

#ifndef _ISR_COMPAT_H_
#define _ISR_COMPAT_H_

/* Cross compiler interrupt service routine compatibility definitions */
/* This code currently allows for:
        MSPGCC - the GNU tools for the MSP430
        Quadravox AQ430
        IAR Version 1 (old syntax)
        IAR Versions 2 and 3 (new syntax)
        Rowley Crossworks
        Code Composer Essentials

   These macros allow us to define interrupt routines for all
   compilers with a common syntax:

    ISR(<interrupt>, <routine name>)
    {
    }

   e.g.

    ISR(ADC12, adc_service_routine)
    {
        ADC12CTL0 &= ~ENC;
        ADC12CTL0 |= ENC;
    }
*/

/* A tricky #define to stringify _Pragma parameters */
#define __PRAGMA__(x) _Pragma(#x)

#if defined(__GNUC__)  &&  defined(__MSP430__)
    /* This is the MSPGCC compiler */
#if __MSP430X__ & __MSP430_CPUX_TARGET_C20__
#define __MSPGCC_MAYBE_C16__ __attribute__((__c16__))
#else /* -mc20 */
#define __MSPGCC_MAYBE_C16__
#endif /* -mc20 */
#define ISR(a,b) void __attribute__((__interrupt__ (a##_VECTOR))) __MSPGCC_MAYBE_C16__ b(void)
#elif defined(__AQCOMPILER__)
    /* This is the Quadravox compiler */
#define ISR(a,b) void _INTERRUPT[a ## _VECTOR] b(void)
#elif defined(__IAR_SYSTEMS_ICC__)  &&  (((__TID__ >> 8) & 0x7f) == 43)  &&  (__VER__ < 200)
    /* This is V1.xx of the IAR compiler. */
#define ISR(a,b) interrupt[a ## _VECTOR] void b(void)
#elif defined(__IAR_SYSTEMS_ICC__)  &&  (((__TID__ >> 8) & 0x7f) == 43)  &&  (__VER__ < 400)
    /* This is V2.xx or V3.xx of the IAR compiler. */
#define ISR(a,b) \
__PRAGMA__(vector=a ##_VECTOR) \
__interrupt void b(void)
#elif defined(__CROSSWORKS_MSP430)
    /* This is the Rowley Crossworks compiler */
#define ISR(a,b) void b __interrupt[a ## _VECTOR](void)
#elif defined(__TI_COMPILER_VERSION__)
    /* This is the Code Composer Essentials compiler. */
#define ISR(a,b) __interrupt void b(void); \
a ## _ISR(b) \
__interrupt void b(void)
#else
    #error Compiler not recognised.
#endif

#endif
