500 lines
16 KiB
C
500 lines
16 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file templates/chconf.h
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* @brief Configuration file template.
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* @details A copy of this file must be placed in each project directory, it
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* contains the application specific kernel settings.
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*
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* @addtogroup config
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* @details Kernel related settings and hooks.
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* @{
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*/
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#ifndef _CHCONF_H_
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#define _CHCONF_H_
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/*===========================================================================*/
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/**
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* @name System timers settings
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* @{
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*/
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/*===========================================================================*/
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/**
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* @brief System time counter resolution.
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* @note Allowed values are 16 or 32 bits.
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*/
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#define CH_CFG_ST_RESOLUTION 32
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/**
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* @brief System tick frequency.
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* @details Frequency of the system timer that drives the system ticks. This
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* setting also defines the system tick time unit.
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*/
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#define CH_CFG_ST_FREQUENCY 10000
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/**
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* @brief Time delta constant for the tick-less mode.
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* @note If this value is zero then the system uses the classic
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* periodic tick. This value represents the minimum number
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* of ticks that is safe to specify in a timeout directive.
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* The value one is not valid, timeouts are rounded up to
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* this value.
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*/
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#define CH_CFG_ST_TIMEDELTA 2
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/** @} */
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/*===========================================================================*/
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/**
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* @name Kernel parameters and options
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* @{
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*/
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/*===========================================================================*/
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/**
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* @brief Round robin interval.
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* @details This constant is the number of system ticks allowed for the
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* threads before preemption occurs. Setting this value to zero
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* disables the preemption for threads with equal priority and the
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* round robin becomes cooperative. Note that higher priority
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* threads can still preempt, the kernel is always preemptive.
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* @note Disabling the round robin preemption makes the kernel more compact
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* and generally faster.
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* @note The round robin preemption is not supported in tickless mode and
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* must be set to zero in that case.
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*/
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#define CH_CFG_TIME_QUANTUM 0
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/**
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* @brief Managed RAM size.
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* @details Size of the RAM area to be managed by the OS. If set to zero
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* then the whole available RAM is used. The core memory is made
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* available to the heap allocator and/or can be used directly through
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* the simplified core memory allocator.
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*
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* @note In order to let the OS manage the whole RAM the linker script must
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* provide the @p __heap_base__ and @p __heap_end__ symbols.
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* @note Requires @p CH_CFG_USE_MEMCORE.
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*/
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#define CH_CFG_MEMCORE_SIZE 0
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/**
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* @brief Idle thread automatic spawn suppression.
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* @details When this option is activated the function @p chSysInit()
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* does not spawn the idle thread. The application @p main()
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* function becomes the idle thread and must implement an
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* infinite loop.
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*/
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#define CH_CFG_NO_IDLE_THREAD FALSE
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/** @} */
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/*===========================================================================*/
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/**
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* @name Performance options
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* @{
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*/
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/*===========================================================================*/
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/**
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* @brief OS optimization.
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* @details If enabled then time efficient rather than space efficient code
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* is used when two possible implementations exist.
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*
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* @note This is not related to the compiler optimization options.
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_OPTIMIZE_SPEED TRUE
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/** @} */
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/*===========================================================================*/
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/**
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* @name Subsystem options
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* @{
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*/
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/*===========================================================================*/
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/**
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* @brief Time Measurement APIs.
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* @details If enabled then the time measurement APIs are included in
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* the kernel.
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*
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_USE_TM TRUE
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/**
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* @brief Threads registry APIs.
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* @details If enabled then the registry APIs are included in the kernel.
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*
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_USE_REGISTRY TRUE
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/**
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* @brief Threads synchronization APIs.
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* @details If enabled then the @p chThdWait() function is included in
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* the kernel.
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*
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_USE_WAITEXIT TRUE
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/**
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* @brief Semaphores APIs.
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* @details If enabled then the Semaphores APIs are included in the kernel.
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*
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_USE_SEMAPHORES TRUE
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/**
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* @brief Semaphores queuing mode.
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* @details If enabled then the threads are enqueued on semaphores by
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* priority rather than in FIFO order.
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*
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* @note The default is @p FALSE. Enable this if you have special
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* requirements.
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* @note Requires @p CH_CFG_USE_SEMAPHORES.
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*/
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#define CH_CFG_USE_SEMAPHORES_PRIORITY FALSE
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/**
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* @brief Mutexes APIs.
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* @details If enabled then the mutexes APIs are included in the kernel.
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*
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_USE_MUTEXES TRUE
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/**
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* @brief Enables recursive behavior on mutexes.
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* @note Recursive mutexes are heavier and have an increased
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* memory footprint.
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*
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* @note The default is @p FALSE.
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* @note Requires @p CH_CFG_USE_MUTEXES.
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*/
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#define CH_CFG_USE_MUTEXES_RECURSIVE FALSE
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/**
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* @brief Conditional Variables APIs.
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* @details If enabled then the conditional variables APIs are included
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* in the kernel.
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*
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* @note The default is @p TRUE.
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* @note Requires @p CH_CFG_USE_MUTEXES.
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*/
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#define CH_CFG_USE_CONDVARS TRUE
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/**
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* @brief Conditional Variables APIs with timeout.
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* @details If enabled then the conditional variables APIs with timeout
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* specification are included in the kernel.
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*
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* @note The default is @p TRUE.
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* @note Requires @p CH_CFG_USE_CONDVARS.
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*/
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#define CH_CFG_USE_CONDVARS_TIMEOUT TRUE
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/**
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* @brief Events Flags APIs.
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* @details If enabled then the event flags APIs are included in the kernel.
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*
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_USE_EVENTS TRUE
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/**
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* @brief Events Flags APIs with timeout.
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* @details If enabled then the events APIs with timeout specification
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* are included in the kernel.
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*
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* @note The default is @p TRUE.
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* @note Requires @p CH_CFG_USE_EVENTS.
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*/
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#define CH_CFG_USE_EVENTS_TIMEOUT TRUE
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/**
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* @brief Synchronous Messages APIs.
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* @details If enabled then the synchronous messages APIs are included
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* in the kernel.
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*
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_USE_MESSAGES TRUE
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/**
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* @brief Synchronous Messages queuing mode.
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* @details If enabled then messages are served by priority rather than in
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* FIFO order.
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*
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* @note The default is @p FALSE. Enable this if you have special
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* requirements.
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* @note Requires @p CH_CFG_USE_MESSAGES.
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*/
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#define CH_CFG_USE_MESSAGES_PRIORITY FALSE
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/**
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* @brief Mailboxes APIs.
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* @details If enabled then the asynchronous messages (mailboxes) APIs are
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* included in the kernel.
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*
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* @note The default is @p TRUE.
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* @note Requires @p CH_CFG_USE_SEMAPHORES.
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*/
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#define CH_CFG_USE_MAILBOXES TRUE
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/**
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* @brief I/O Queues APIs.
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* @details If enabled then the I/O queues APIs are included in the kernel.
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*
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_USE_QUEUES TRUE
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/**
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* @brief Core Memory Manager APIs.
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* @details If enabled then the core memory manager APIs are included
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* in the kernel.
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*
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_USE_MEMCORE TRUE
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/**
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* @brief Heap Allocator APIs.
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* @details If enabled then the memory heap allocator APIs are included
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* in the kernel.
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*
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* @note The default is @p TRUE.
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* @note Requires @p CH_CFG_USE_MEMCORE and either @p CH_CFG_USE_MUTEXES or
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* @p CH_CFG_USE_SEMAPHORES.
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* @note Mutexes are recommended.
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*/
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#define CH_CFG_USE_HEAP TRUE
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/**
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* @brief Memory Pools Allocator APIs.
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* @details If enabled then the memory pools allocator APIs are included
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* in the kernel.
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*
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* @note The default is @p TRUE.
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*/
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#define CH_CFG_USE_MEMPOOLS TRUE
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/**
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* @brief Dynamic Threads APIs.
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* @details If enabled then the dynamic threads creation APIs are included
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* in the kernel.
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*
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* @note The default is @p TRUE.
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* @note Requires @p CH_CFG_USE_WAITEXIT.
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* @note Requires @p CH_CFG_USE_HEAP and/or @p CH_CFG_USE_MEMPOOLS.
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*/
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#define CH_CFG_USE_DYNAMIC TRUE
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/** @} */
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/*===========================================================================*/
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/**
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* @name Debug options
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* @{
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*/
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/*===========================================================================*/
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/**
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* @brief Debug option, kernel statistics.
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*
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* @note The default is @p FALSE.
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*/
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#define CH_DBG_STATISTICS TRUE
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/**
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* @brief Debug option, system state check.
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* @details If enabled the correct call protocol for system APIs is checked
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* at runtime.
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*
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* @note The default is @p FALSE.
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*/
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#define CH_DBG_SYSTEM_STATE_CHECK TRUE
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/**
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* @brief Debug option, parameters checks.
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* @details If enabled then the checks on the API functions input
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* parameters are activated.
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*
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* @note The default is @p FALSE.
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*/
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#define CH_DBG_ENABLE_CHECKS TRUE
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/**
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* @brief Debug option, consistency checks.
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* @details If enabled then all the assertions in the kernel code are
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* activated. This includes consistency checks inside the kernel,
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* runtime anomalies and port-defined checks.
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*
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* @note The default is @p FALSE.
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*/
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#define CH_DBG_ENABLE_ASSERTS TRUE
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/**
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* @brief Debug option, trace buffer.
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* @details If enabled then the context switch circular trace buffer is
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* activated.
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*
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* @note The default is @p FALSE.
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*/
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#define CH_DBG_ENABLE_TRACE TRUE
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/**
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* @brief Debug option, stack checks.
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* @details If enabled then a runtime stack check is performed.
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*
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* @note The default is @p FALSE.
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* @note The stack check is performed in a architecture/port dependent way.
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* It may not be implemented or some ports.
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* @note The default failure mode is to halt the system with the global
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* @p panic_msg variable set to @p NULL.
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*/
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#define CH_DBG_ENABLE_STACK_CHECK TRUE
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/**
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* @brief Debug option, stacks initialization.
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* @details If enabled then the threads working area is filled with a byte
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* value when a thread is created. This can be useful for the
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* runtime measurement of the used stack.
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*
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* @note The default is @p FALSE.
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*/
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#define CH_DBG_FILL_THREADS TRUE
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/**
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* @brief Debug option, threads profiling.
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* @details If enabled then a field is added to the @p thread_t structure that
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* counts the system ticks occurred while executing the thread.
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*
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* @note The default is @p FALSE.
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* @note This debug option is not currently compatible with the
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* tickless mode.
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*/
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#define CH_DBG_THREADS_PROFILING FALSE
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/** @} */
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/*===========================================================================*/
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/**
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* @name Kernel hooks
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* @{
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*/
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/*===========================================================================*/
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/**
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* @brief Threads descriptor structure extension.
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* @details User fields added to the end of the @p thread_t structure.
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*/
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#define CH_CFG_THREAD_EXTRA_FIELDS \
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/* Add threads custom fields here.*/
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/**
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* @brief Threads initialization hook.
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* @details User initialization code added to the @p chThdInit() API.
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*
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* @note It is invoked from within @p chThdInit() and implicitly from all
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* the threads creation APIs.
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*/
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#define CH_CFG_THREAD_INIT_HOOK(tp) { \
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/* Add threads initialization code here.*/ \
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}
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/**
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* @brief Threads finalization hook.
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* @details User finalization code added to the @p chThdExit() API.
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*
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* @note It is inserted into lock zone.
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* @note It is also invoked when the threads simply return in order to
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* terminate.
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*/
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#define CH_CFG_THREAD_EXIT_HOOK(tp) { \
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/* Add threads finalization code here.*/ \
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}
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/**
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* @brief Context switch hook.
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* @details This hook is invoked just before switching between threads.
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*/
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#define CH_CFG_CONTEXT_SWITCH_HOOK(ntp, otp) { \
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/* Context switch code here.*/ \
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}
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/**
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* @brief Idle thread enter hook.
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* @note This hook is invoked within a critical zone, no OS functions
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* should be invoked from here.
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* @note This macro can be used to activate a power saving mode.
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*/
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#define CH_CFG_IDLE_ENTER_HOOK() { \
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}
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/**
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* @brief Idle thread leave hook.
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* @note This hook is invoked within a critical zone, no OS functions
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* should be invoked from here.
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* @note This macro can be used to deactivate a power saving mode.
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*/
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#define CH_CFG_IDLE_LEAVE_HOOK() { \
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}
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/**
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* @brief Idle Loop hook.
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* @details This hook is continuously invoked by the idle thread loop.
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*/
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#define CH_CFG_IDLE_LOOP_HOOK() { \
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/* Idle loop code here.*/ \
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}
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/**
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* @brief System tick event hook.
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* @details This hook is invoked in the system tick handler immediately
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* after processing the virtual timers queue.
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*/
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#define CH_CFG_SYSTEM_TICK_HOOK() { \
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/* System tick event code here.*/ \
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}
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/**
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* @brief System halt hook.
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* @details This hook is invoked in case to a system halting error before
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* the system is halted.
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*/
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#define CH_CFG_SYSTEM_HALT_HOOK(reason) { \
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/* System halt code here.*/ \
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}
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/** @} */
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/*===========================================================================*/
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/* Port-specific settings (override port settings defaulted in chcore.h). */
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/*===========================================================================*/
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#endif /* _CHCONF_H_ */
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/** @} */
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