/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file rt/templates/chconf.h
* @brief Configuration file template.
* @details A copy of this file must be placed in each project directory, it
* contains the application specific kernel settings.
*
* @addtogroup config
* @details Kernel related settings and hooks.
* @{
*/
/*===========================================================================*/
/**
* @name System timers settings
* @{
*/
/*===========================================================================*/
/**
* @brief System time counter resolution.
* @note Allowed values are 16 or 32 bits.
*/
/**
* @brief System tick frequency.
* @details Frequency of the system timer that drives the system ticks. This
* setting also defines the system tick time unit.
*/
/**
* @brief Time intervals data size.
* @note Allowed values are 16, 32 or 64 bits.
*/
/**
* @brief Time types data size.
* @note Allowed values are 16 or 32 bits.
*/
/**
* @brief Time delta constant for the tick-less mode.
* @note If this value is zero then the system uses the classic
* periodic tick. This value represents the minimum number
* of ticks that is safe to specify in a timeout directive.
* The value one is not valid, timeouts are rounded up to
* this value.
*/
/** @} */
/*===========================================================================*/
/**
* @name Kernel parameters and options
* @{
*/
/*===========================================================================*/
/**
* @brief Round robin interval.
* @details This constant is the number of system ticks allowed for the
* threads before preemption occurs. Setting this value to zero
* disables the preemption for threads with equal priority and the
* round robin becomes cooperative. Note that higher priority
* threads can still preempt, the kernel is always preemptive.
* @note Disabling the round robin preemption makes the kernel more compact
* and generally faster.
* @note The round robin preemption is not supported in tickless mode and
* must be set to zero in that case.
*/
/**
* @brief Idle thread automatic spawn suppression.
* @details When this option is activated the function @p chSysInit()
* does not spawn the idle thread. The application @p main()
* function becomes the idle thread and must implement an
* infinite loop.
*/
/** @} */
/*===========================================================================*/
/**
* @name Performance options
* @{
*/
/*===========================================================================*/
/**
* @brief OS optimization.
* @details If enabled then time efficient rather than space efficient code
* is used when two possible implementations exist.
*
* @note This is not related to the compiler optimization options.
* @note The default is @p TRUE.
*/
/** @} */
/*===========================================================================*/
/**
* @name Subsystem options
* @{
*/
/*===========================================================================*/
/**
* @brief Time Measurement APIs.
* @details If enabled then the time measurement APIs are included in
* the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Threads registry APIs.
* @details If enabled then the registry APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Threads synchronization APIs.
* @details If enabled then the @p chThdWait() function is included in
* the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Semaphores APIs.
* @details If enabled then the Semaphores APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Semaphores queuing mode.
* @details If enabled then the threads are enqueued on semaphores by
* priority rather than in FIFO order.
*
* @note The default is @p FALSE. Enable this if you have special
* requirements.
* @note Requires @p CH_CFG_USE_SEMAPHORES.
*/
/**
* @brief Mutexes APIs.
* @details If enabled then the mutexes APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Enables recursive behavior on mutexes.
* @note Recursive mutexes are heavier and have an increased
* memory footprint.
*
* @note The default is @p FALSE.
* @note Requires @p CH_CFG_USE_MUTEXES.
*/
/**
* @brief Conditional Variables APIs.
* @details If enabled then the conditional variables APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_MUTEXES.
*/
/**
* @brief Conditional Variables APIs with timeout.
* @details If enabled then the conditional variables APIs with timeout
* specification are included in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_CONDVARS.
*/
/**
* @brief Events Flags APIs.
* @details If enabled then the event flags APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Events Flags APIs with timeout.
* @details If enabled then the events APIs with timeout specification
* are included in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_EVENTS.
*/
/**
* @brief Synchronous Messages APIs.
* @details If enabled then the synchronous messages APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Synchronous Messages queuing mode.
* @details If enabled then messages are served by priority rather than in
* FIFO order.
*
* @note The default is @p FALSE. Enable this if you have special
* requirements.
* @note Requires @p CH_CFG_USE_MESSAGES.
*/
/**
* @brief Dynamic Threads APIs.
* @details If enabled then the dynamic threads creation APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_WAITEXIT.
* @note Requires @p CH_CFG_USE_HEAP and/or @p CH_CFG_USE_MEMPOOLS.
*/
/** @} */
/*===========================================================================*/
/**
* @name OSLIB options
* @{
*/
/*===========================================================================*/
/**
* @brief Mailboxes APIs.
* @details If enabled then the asynchronous messages (mailboxes) APIs are
* included in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_SEMAPHORES.
*/
/**
* @brief Core Memory Manager APIs.
* @details If enabled then the core memory manager APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Managed RAM size.
* @details Size of the RAM area to be managed by the OS. If set to zero
* then the whole available RAM is used. The core memory is made
* available to the heap allocator and/or can be used directly through
* the simplified core memory allocator.
*
* @note In order to let the OS manage the whole RAM the linker script must
* provide the @p __heap_base__ and @p __heap_end__ symbols.
* @note Requires @p CH_CFG_USE_MEMCORE.
*/
/**
* @brief Heap Allocator APIs.
* @details If enabled then the memory heap allocator APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_MEMCORE and either @p CH_CFG_USE_MUTEXES or
* @p CH_CFG_USE_SEMAPHORES.
* @note Mutexes are recommended.
*/
/**
* @brief Memory Pools Allocator APIs.
* @details If enabled then the memory pools allocator APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Objects FIFOs APIs.
* @details If enabled then the objects FIFOs APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Pipes APIs.
* @details If enabled then the pipes APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Objects Caches APIs.
* @details If enabled then the objects caches APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Delegate threads APIs.
* @details If enabled then the delegate threads APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
/**
* @brief Jobs Queues APIs.
* @details If enabled then the jobs queues APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
/** @} */
/*===========================================================================*/
/**
* @name Objects factory options
* @{
*/
/*===========================================================================*/
/**
* @brief Objects Factory APIs.
* @details If enabled then the objects factory APIs are included in the
* kernel.
*
* @note The default is @p FALSE.
*/
/**
* @brief Maximum length for object names.
* @details If the specified length is zero then the name is stored by
* pointer but this could have unintended side effects.
*/
/**
* @brief Enables the registry of generic objects.
*/
/**
* @brief Enables factory for generic buffers.
*/
/**
* @brief Enables factory for semaphores.
*/
/**
* @brief Enables factory for mailboxes.
*/
/**
* @brief Enables factory for objects FIFOs.
*/
/**
* @brief Enables factory for Pipes.
*/
/** @} */
/*===========================================================================*/
/**
* @name Debug options
* @{
*/
/*===========================================================================*/
/**
* @brief Debug option, kernel statistics.
*
* @note The default is @p FALSE.
*/
/**
* @brief Debug option, system state check.
* @details If enabled the correct call protocol for system APIs is checked
* at runtime.
*
* @note The default is @p FALSE.
*/
/**
* @brief Debug option, parameters checks.
* @details If enabled then the checks on the API functions input
* parameters are activated.
*
* @note The default is @p FALSE.
*/
/**
* @brief Debug option, consistency checks.
* @details If enabled then all the assertions in the kernel code are
* activated. This includes consistency checks inside the kernel,
* runtime anomalies and port-defined checks.
*
* @note The default is @p FALSE.
*/
/**
* @brief Debug option, trace buffer.
* @details If enabled then the trace buffer is activated.
*
* @note The default is @p CH_DBG_TRACE_MASK_DISABLED.
*/
/**
* @brief Trace buffer entries.
* @note The trace buffer is only allocated if @p CH_DBG_TRACE_MASK is
* different from @p CH_DBG_TRACE_MASK_DISABLED.
*/
/**
* @brief Debug option, stack checks.
* @details If enabled then a runtime stack check is performed.
*
* @note The default is @p FALSE.
* @note The stack check is performed in a architecture/port dependent way.
* It may not be implemented or some ports.
* @note The default failure mode is to halt the system with the global
* @p panic_msg variable set to @p NULL.
*/
/**
* @brief Debug option, stacks initialization.
* @details If enabled then the threads working area is filled with a byte
* value when a thread is created. This can be useful for the
* runtime measurement of the used stack.
*
* @note The default is @p FALSE.
*/
/**
* @brief Debug option, threads profiling.
* @details If enabled then a field is added to the @p thread_t structure that
* counts the system ticks occurred while executing the thread.
*
* @note The default is @p FALSE.
* @note This debug option is not currently compatible with the
* tickless mode.
*/
/** @} */
/*===========================================================================*/
/**
* @name Kernel hooks
* @{
*/
/*===========================================================================*/
/**
* @brief System structure extension.
* @details User fields added to the end of the @p ch_system_t structure.
*/
/**
* @brief System initialization hook.
* @details User initialization code added to the @p chSysInit() function
* just before interrupts are enabled globally.
*/
/**
* @brief Threads descriptor structure extension.
* @details User fields added to the end of the @p thread_t structure.
*/
/**
* @brief Threads initialization hook.
* @details User initialization code added to the @p _thread_init() function.
*
* @note It is invoked from within @p _thread_init() and implicitly from all
* the threads creation APIs.
*/
/**
* @brief Threads finalization hook.
* @details User finalization code added to the @p chThdExit() API.
*/
/**
* @brief Context switch hook.
* @details This hook is invoked just before switching between threads.
*/
/**
* @brief ISR enter hook.
*/
/**
* @brief ISR exit hook.
*/
/**
* @brief Idle thread enter hook.
* @note This hook is invoked within a critical zone, no OS functions
* should be invoked from here.
* @note This macro can be used to activate a power saving mode.
*/
/**
* @brief Idle thread leave hook.
* @note This hook is invoked within a critical zone, no OS functions
* should be invoked from here.
* @note This macro can be used to deactivate a power saving mode.
*/
/**
* @brief Idle Loop hook.
* @details This hook is continuously invoked by the idle thread loop.
*/
/**
* @brief System tick event hook.
* @details This hook is invoked in the system tick handler immediately
* after processing the virtual timers queue.
*/
/**
* @brief System halt hook.
* @details This hook is invoked in case to a system halting error before
* the system is halted.
*/
/**
* @brief Trace hook.
* @details This hook is invoked each time a new record is written in the
* trace buffer.
*/
/** @} */
/*===========================================================================*/
/* Port-specific settings (override port settings defaulted in chcore.h). */
/*===========================================================================*/
/* CHCONF_H */
/** @} */