b2438b4563
Instead of having to #undef putchar in every file where we want to use it, we undef it across the board. See the comment in arm-def.h as to why this needs done.
86 lines
3.3 KiB
C
86 lines
3.3 KiB
C
/*
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* Copyright (c) 2017, George Oikonomou - http://www.spd.gr
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup arm
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* @{
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*
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* \file
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* Compiler and data type definitions for all ARM-based CPUs
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*/
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/*---------------------------------------------------------------------------*/
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#ifndef ARM_DEF_
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#define ARM_DEF_
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/*---------------------------------------------------------------------------*/
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#include <stdint.h>
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/*---------------------------------------------------------------------------*/
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/**
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* \name Macros and typedefs
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*
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* Those values are not meant to be modified by the user
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* @{
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*/
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#define CLOCK_CONF_SECOND 128
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/* Clock (time) comparison macro */
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#define CLOCK_LT(a, b) ((signed long)((a) - (b)) < 0)
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/* Platform typedefs */
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typedef uint32_t clock_time_t;
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typedef uint32_t uip_stats_t;
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typedef uint32_t rtimer_clock_t;
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#define RTIMER_CLOCK_DIFF(a, b) ((int32_t)((a) - (b)))
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/** @} */
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/*
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* The stdio.h that ships with the arm-gcc toolchain does this:
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*
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* int _EXFUN(putchar, (int));
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* [...]
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* #define putchar(x) putc(x, stdout)
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*
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* This causes us a lot of trouble: For platforms using this toolchain, every
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* time we use putchar we need to first #undef putchar. What we do here is to
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* #undef putchar across the board. The resulting code will cause the linker
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* to search for a symbol named putchar and this allows us to use the
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* implementation under os/lib/dbg-io.
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*
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* This will fail if stdio.h is included before contiki.h, but it is common
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* practice to include contiki.h first
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*/
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#include <stdio.h>
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#undef putchar
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/*---------------------------------------------------------------------------*/
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#endif /* ARM_DEF_ */
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/*---------------------------------------------------------------------------*/
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/** @} */
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