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7dcfe77fba
The type used to store rtimer ticks on this platform is 32-bit integer, but the macro uses 16-bit comparison.
As a result, the output of the RTIMER_CLOCK_LT(a,b) macro was incorrect when used for comparisons between time values with sufficiently large difference.
The code to repeat this problem on mbxxx platform:
rtimer_clock_t a = 6 * RTIMER_ARCH_SECOND;
rtimer_clock_t b = 0;
printf("%d\n", RTIMER_CLOCK_LT(a,b)); // expected output: "0", actual: "1"
105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/**
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* \defgroup mbxxx-platform The STM32W MBXXX platform.
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*
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* The STM32W MBXXX platform.
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*
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* @{
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*/
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/*
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* Copyright (c) 2010, STMicroelectronics.
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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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* 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
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the Contiki OS
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*
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \file
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* Platform-conf.h for MBXXX.
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* \author
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* Stefano Pascali <stefano.pascali@st.com>
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* Marco Grella <marco.grella@st.com>
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*/
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/*---------------------------------------------------------------------------*/
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#ifndef PLATFORM_CONF_H_
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#define PLATFORM_CONF_H_
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#include PLATFORM_HEADER
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#include <inttypes.h>
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#include <string.h> // For memcpm().
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/* Platform-dependent definitions */
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#define CC_CONF_REGISTER_ARGS 0
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#define CC_CONF_FUNCTION_POINTER_ARGS 1
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#define CC_CONF_FASTCALL
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#define CC_CONF_VA_ARGS 1
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#define CC_CONF_INLINE inline
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#define CCIF
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#define CLIF
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typedef unsigned short uip_stats_t;
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#define UART1_CONF_TX_WITH_INTERRUPT 0
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#define WITH_SERIAL_LINE_INPUT 1
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/* rtimer_second = 11719 */
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#define RT_CONF_RESOLUTION 2
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/* A trick to resolve a compilation error with IAR. */
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#ifdef __ICCARM__
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#define UIP_CONF_DS6_AADDR_NBU 1
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#endif
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typedef unsigned long clock_time_t;
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#define CLOCK_CONF_SECOND 1000
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typedef unsigned long rtimer_clock_t;
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#define RTIMER_CLOCK_LT(a,b) ((signed long)((a)-(b)) < 0)
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#define LEDS_CONF_RED_PIN boardDescription->io->leds[1].gpioPin
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#define LEDS_CONF_GREEN_PIN boardDescription->io->leds[0].gpioPin
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#define LEDS_CONF_PORT boardDescription->io->leds[1].gpioPort
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#define LEDS_CONF_RED (1<<LEDS_CONF_RED_PIN)
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#define LEDS_CONF_GREEN (1<<LEDS_CONF_GREEN_PIN)
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#define UIP_ARCH_ADD32 1
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#define UIP_ARCH_CHKSUM 0
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#define UIP_CONF_BYTE_ORDER UIP_LITTLE_ENDIAN
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#define EEPROM_CONF_SIZE 8000
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#endif /* PLATFORM_CONF_H_ */
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/** @} */
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