2 * FreeRTOS Kernel V11.2.0
3 * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
5 * SPDX-License-Identifier: MIT
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
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11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * https://www.FreeRTOS.org
26 * https://github.com/FreeRTOS
30 /*******************************************************************************
31 * This file provides an example FreeRTOSConfig.h header file, inclusive of an
32 * abbreviated explanation of each configuration item. Online and reference
33 * documentation provides more information.
34 * https://www.freertos.org/a00110.html
36 * Constant values enclosed in square brackets ('[' and ']') must be completed
37 * before this file will build.
39 * Use the FreeRTOSConfig.h supplied with the RTOS port in use rather than this
40 * generic file, if one is available.
41 ******************************************************************************/
43 #ifndef FREERTOS_CONFIG_H
44 #define FREERTOS_CONFIG_H
46 /******************************************************************************/
47 /* Hardware description related definitions. **********************************/
48 /******************************************************************************/
50 /* In most cases, configCPU_CLOCK_HZ must be set to the frequency of the clock
51 * that drives the peripheral used to generate the kernels periodic tick
52 * interrupt. The default value is set to 20MHz and matches the QEMU demo
53 * settings. Your application will certainly need a different value so set this
54 * correctly. This is very often, but not always, equal to the main system clock
56 #define configCPU_CLOCK_HZ ( ( unsigned long ) 20000000 )
58 /* configSYSTICK_CLOCK_HZ is an optional parameter for ARM Cortex-M ports only.
60 * By default ARM Cortex-M ports generate the RTOS tick interrupt from the
61 * Cortex-M SysTick timer. Most Cortex-M MCUs run the SysTick timer at the same
62 * frequency as the MCU itself - when that is the case configSYSTICK_CLOCK_HZ is
63 * not needed and should be left undefined. If the SysTick timer is clocked at a
64 * different frequency to the MCU core then set configCPU_CLOCK_HZ to the MCU
65 * clock frequency, as normal, and configSYSTICK_CLOCK_HZ to the SysTick clock
66 * frequency. Not used if left undefined.
67 * The default value is undefined (commented out). If you need this value bring
68 * it back and set it to a suitable value. */
71 #define configSYSTICK_CLOCK_HZ [Platform specific]
74 /******************************************************************************/
75 /* Scheduling behaviour related definitions. **********************************/
76 /******************************************************************************/
78 /* configTICK_RATE_HZ sets frequency of the tick interrupt in Hz, normally
79 * calculated from the configCPU_CLOCK_HZ value. */
80 #define configTICK_RATE_HZ 100
82 /* Set configUSE_PREEMPTION to 1 to use pre-emptive scheduling. Set
83 * configUSE_PREEMPTION to 0 to use co-operative scheduling.
84 * See https://www.freertos.org/single-core-amp-smp-rtos-scheduling.html. */
85 #define configUSE_PREEMPTION 1
87 /* Set configUSE_TIME_SLICING to 1 to have the scheduler switch between Ready
88 * state tasks of equal priority on every tick interrupt. Set
89 * configUSE_TIME_SLICING to 0 to prevent the scheduler switching between Ready
90 * state tasks just because there was a tick interrupt. See
91 * https://freertos.org/single-core-amp-smp-rtos-scheduling.html. */
92 #define configUSE_TIME_SLICING 0
94 /* Set configUSE_PORT_OPTIMISED_TASK_SELECTION to 1 to select the next task to
95 * run using an algorithm optimised to the instruction set of the target
96 * hardware - normally using a count leading zeros assembly instruction. Set to
97 * 0 to select the next task to run using a generic C algorithm that works for
98 * all FreeRTOS ports. Not all FreeRTOS ports have this option. Defaults to 0
99 * if left undefined. */
100 #define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
102 /* Set configUSE_TICKLESS_IDLE to 1 to use the low power tickless mode. Set to
103 * 0 to keep the tick interrupt running at all times. Not all FreeRTOS ports
104 * support tickless mode. See
105 * https://www.freertos.org/low-power-tickless-rtos.html Defaults to 0 if left
107 #define configUSE_TICKLESS_IDLE 0
109 /* configMAX_PRIORITIES Sets the number of available task priorities. Tasks can
110 * be assigned priorities of 0 to (configMAX_PRIORITIES - 1). Zero is the
111 * lowest priority. */
112 #define configMAX_PRIORITIES 5
114 /* configMINIMAL_STACK_SIZE defines the size of the stack used by the Idle task
115 * (in words, not in bytes!). The kernel does not use this constant for any
116 * other purpose. Demo applications use the constant to make the demos somewhat
117 * portable across hardware architectures. */
118 #define configMINIMAL_STACK_SIZE 128
120 /* configMAX_TASK_NAME_LEN sets the maximum length (in characters) of a task's
121 * human readable name. Includes the NULL terminator. */
122 #define configMAX_TASK_NAME_LEN 16
124 /* Time is measured in 'ticks' - which is the number of times the tick interrupt
125 * has executed since the RTOS kernel was started.
126 * The tick count is held in a variable of type TickType_t.
128 * configTICK_TYPE_WIDTH_IN_BITS controls the type (and therefore bit-width) of
131 * Defining configTICK_TYPE_WIDTH_IN_BITS as TICK_TYPE_WIDTH_16_BITS causes
132 * TickType_t to be defined (typedef'ed) as an unsigned 16-bit type.
134 * Defining configTICK_TYPE_WIDTH_IN_BITS as TICK_TYPE_WIDTH_32_BITS causes
135 * TickType_t to be defined (typedef'ed) as an unsigned 32-bit type.
137 * Defining configTICK_TYPE_WIDTH_IN_BITS as TICK_TYPE_WIDTH_64_BITS causes
138 * TickType_t to be defined (typedef'ed) as an unsigned 64-bit type. */
139 #define configTICK_TYPE_WIDTH_IN_BITS TICK_TYPE_WIDTH_64_BITS
141 /* Set configIDLE_SHOULD_YIELD to 1 to have the Idle task yield to an
142 * application task if there is an Idle priority (priority 0) application task
143 * that can run. Set to 0 to have the Idle task use all of its timeslice.
144 * Default to 1 if left undefined. */
145 #define configIDLE_SHOULD_YIELD 1
147 /* Each task has an array of task notifications.
148 * configTASK_NOTIFICATION_ARRAY_ENTRIES sets the number of indexes in the
149 * array. See https://www.freertos.org/RTOS-task-notifications.html Defaults to
150 * 1 if left undefined. */
151 #define configTASK_NOTIFICATION_ARRAY_ENTRIES 1
153 /* configQUEUE_REGISTRY_SIZE sets the maximum number of queues and semaphores
154 * that can be referenced from the queue registry. Only required when using a
155 * kernel aware debugger. Defaults to 0 if left undefined. */
156 #define configQUEUE_REGISTRY_SIZE 0
158 /* Set configENABLE_BACKWARD_COMPATIBILITY to 1 to map function names and
159 * datatypes from old version of FreeRTOS to their latest equivalent. Defaults
160 * to 1 if left undefined. */
161 #define configENABLE_BACKWARD_COMPATIBILITY 0
163 /* Each task has its own array of pointers that can be used as thread local
164 * storage. configNUM_THREAD_LOCAL_STORAGE_POINTERS set the number of indexes
166 * https://www.freertos.org/thread-local-storage-pointers.html Defaults to 0 if
168 #define configNUM_THREAD_LOCAL_STORAGE_POINTERS 0
170 /* When configUSE_MINI_LIST_ITEM is set to 0, MiniListItem_t and ListItem_t are
171 * both the same. When configUSE_MINI_LIST_ITEM is set to 1, MiniListItem_t
172 * contains 3 fewer fields than ListItem_t which saves some RAM at the cost of
173 * violating strict aliasing rules which some compilers depend on for
174 * optimization. Defaults to 1 if left undefined. */
175 #define configUSE_MINI_LIST_ITEM 1
177 /* Sets the type used by the parameter to xTaskCreate() that specifies the stack
178 * size of the task being created. The same type is used to return information
179 * about stack usage in various other API calls. Defaults to size_t if left
181 #define configSTACK_DEPTH_TYPE size_t
183 /* configMESSAGE_BUFFER_LENGTH_TYPE sets the type used to store the length of
184 * each message written to a FreeRTOS message buffer (the length is also written
185 * to the message buffer. Defaults to size_t if left undefined - but that may
186 * waste space if messages never go above a length that could be held in a
188 #define configMESSAGE_BUFFER_LENGTH_TYPE size_t
190 /* If configHEAP_CLEAR_MEMORY_ON_FREE is set to 1, then blocks of memory
191 * allocated using pvPortMalloc() will be cleared (i.e. set to zero) when freed
192 * using vPortFree(). Defaults to 0 if left undefined. */
193 #define configHEAP_CLEAR_MEMORY_ON_FREE 1
195 /* vTaskList and vTaskGetRunTimeStats APIs take a buffer as a parameter and
196 * assume that the length of the buffer is configSTATS_BUFFER_MAX_LENGTH.
197 * Defaults to 0xFFFF if left undefined. New applications are recommended to use
198 * vTaskListTasks and vTaskGetRunTimeStatistics APIs instead and supply the
199 * length of the buffer explicitly to avoid memory corruption. */
200 #define configSTATS_BUFFER_MAX_LENGTH 0xFFFF
202 /* Set configUSE_NEWLIB_REENTRANT to 1 to have a newlib reent structure
203 * allocated for each task. Set to 0 to not support newlib reent structures.
204 * Default to 0 if left undefined.
206 * Note Newlib support has been included by popular demand, but is not used or
207 * tested by the FreeRTOS maintainers themselves. FreeRTOS is not responsible
208 * for resulting newlib operation. User must be familiar with newlib and must
209 * provide system-wide implementations of the necessary stubs. Note that (at the
210 * time of writing) the current newlib design implements a system-wide malloc()
211 * that must be provided with locks. */
212 #define configUSE_NEWLIB_REENTRANT 0
214 /******************************************************************************/
215 /* Software timer related definitions. ****************************************/
216 /******************************************************************************/
218 /* Set configUSE_TIMERS to 1 to include software timer functionality in the
219 * build. Set to 0 to exclude software timer functionality from the build. The
220 * FreeRTOS/source/timers.c source file must be included in the build if
221 * configUSE_TIMERS is set to 1. Default to 0 if left undefined. See
222 * https://www.freertos.org/RTOS-software-timer.html. */
223 #define configUSE_TIMERS 1
225 /* configTIMER_TASK_PRIORITY sets the priority used by the timer task. Only
226 * used if configUSE_TIMERS is set to 1. The timer task is a standard FreeRTOS
227 * task, so its priority is set like any other task. See
228 * https://www.freertos.org/RTOS-software-timer-service-daemon-task.html Only
229 * used if configUSE_TIMERS is set to 1. */
230 #define configTIMER_TASK_PRIORITY ( configMAX_PRIORITIES - 1 )
232 /* configTIMER_TASK_STACK_DEPTH sets the size of the stack allocated to the
233 * timer task (in words, not in bytes!). The timer task is a standard FreeRTOS
235 * https://www.freertos.org/RTOS-software-timer-service-daemon-task.html Only
236 * used if configUSE_TIMERS is set to 1. */
237 #define configTIMER_TASK_STACK_DEPTH configMINIMAL_STACK_SIZE
239 /* configTIMER_QUEUE_LENGTH sets the length of the queue (the number of discrete
240 * items the queue can hold) used to send commands to the timer task. See
241 * https://www.freertos.org/RTOS-software-timer-service-daemon-task.html Only
242 * used if configUSE_TIMERS is set to 1. */
243 #define configTIMER_QUEUE_LENGTH 10
245 /******************************************************************************/
246 /* Event Group related definitions. *******************************************/
247 /******************************************************************************/
249 /* Set configUSE_EVENT_GROUPS to 1 to include event group functionality in the
250 * build. Set to 0 to exclude event group functionality from the build. The
251 * FreeRTOS/source/event_groups.c source file must be included in the build if
252 * configUSE_EVENT_GROUPS is set to 1. Defaults to 1 if left undefined. */
254 #define configUSE_EVENT_GROUPS 1
256 /******************************************************************************/
257 /* Stream Buffer related definitions. *****************************************/
258 /******************************************************************************/
260 /* Set configUSE_STREAM_BUFFERS to 1 to include stream buffer functionality in
261 * the build. Set to 0 to exclude event group functionality from the build. The
262 * FreeRTOS/source/stream_buffer.c source file must be included in the build if
263 * configUSE_STREAM_BUFFERS is set to 1. Defaults to 1 if left undefined. */
265 #define configUSE_STREAM_BUFFERS 1
267 /******************************************************************************/
268 /* Memory allocation related definitions. *************************************/
269 /******************************************************************************/
271 /* Set configSUPPORT_STATIC_ALLOCATION to 1 to include FreeRTOS API functions
272 * that create FreeRTOS objects (tasks, queues, etc.) using statically allocated
273 * memory in the build. Set to 0 to exclude the ability to create statically
274 * allocated objects from the build. Defaults to 0 if left undefined. See
275 * https://www.freertos.org/Static_Vs_Dynamic_Memory_Allocation.html. */
276 #define configSUPPORT_STATIC_ALLOCATION 1
278 /* Set configSUPPORT_DYNAMIC_ALLOCATION to 1 to include FreeRTOS API functions
279 * that create FreeRTOS objects (tasks, queues, etc.) using dynamically
280 * allocated memory in the build. Set to 0 to exclude the ability to create
281 * dynamically allocated objects from the build. Defaults to 1 if left
283 * https://www.freertos.org/Static_Vs_Dynamic_Memory_Allocation.html. */
284 #define configSUPPORT_DYNAMIC_ALLOCATION 1
286 /* Sets the total size of the FreeRTOS heap, in bytes, when heap_1.c, heap_2.c
287 * or heap_4.c are included in the build. This value is defaulted to 4096 bytes
288 * but it must be tailored to each application. Note the heap will appear in
289 * the .bss section. See https://www.freertos.org/a00111.html. */
290 #define configTOTAL_HEAP_SIZE 4096
292 /* Set configAPPLICATION_ALLOCATED_HEAP to 1 to have the application allocate
293 * the array used as the FreeRTOS heap. Set to 0 to have the linker allocate
294 * the array used as the FreeRTOS heap. Defaults to 0 if left undefined. */
295 #define configAPPLICATION_ALLOCATED_HEAP 0
297 /* Set configSTACK_ALLOCATION_FROM_SEPARATE_HEAP to 1 to have task stacks
298 * allocated from somewhere other than the FreeRTOS heap. This is useful if you
299 * want to ensure stacks are held in fast memory. Set to 0 to have task stacks
300 * come from the standard FreeRTOS heap. The application writer must provide
301 * implementations for pvPortMallocStack() and vPortFreeStack() if set to 1.
302 * Defaults to 0 if left undefined. */
303 #define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP 0
305 /* Set configENABLE_HEAP_PROTECTOR to 1 to enable bounds checking and
306 * obfuscation to internal heap block pointers in heap_4.c and heap_5.c to help
307 * catch pointer corruptions. Defaults to 0 if left undefined. */
308 #define configENABLE_HEAP_PROTECTOR 0
310 /******************************************************************************/
311 /* Interrupt nesting behaviour configuration. *********************************/
312 /******************************************************************************/
314 /* configKERNEL_INTERRUPT_PRIORITY sets the priority of the tick and context
315 * switch performing interrupts. Not supported by all FreeRTOS ports. See
316 * https://www.freertos.org/RTOS-Cortex-M3-M4.html for information specific to
317 * ARM Cortex-M devices. */
318 #define configKERNEL_INTERRUPT_PRIORITY 0
320 /* configMAX_SYSCALL_INTERRUPT_PRIORITY sets the interrupt priority above which
321 * FreeRTOS API calls must not be made. Interrupts above this priority are
322 * never disabled, so never delayed by RTOS activity. The default value is set
323 * to the highest interrupt priority (0). Not supported by all FreeRTOS ports.
324 * See https://www.freertos.org/RTOS-Cortex-M3-M4.html for information specific
325 * to ARM Cortex-M devices. */
326 #define configMAX_SYSCALL_INTERRUPT_PRIORITY 0
328 /* Another name for configMAX_SYSCALL_INTERRUPT_PRIORITY - the name used depends
329 * on the FreeRTOS port. */
330 #define configMAX_API_CALL_INTERRUPT_PRIORITY 0
332 /******************************************************************************/
333 /* Hook and callback function related definitions. ****************************/
334 /******************************************************************************/
336 /* Set the following configUSE_* constants to 1 to include the named hook
337 * functionality in the build. Set to 0 to exclude the hook functionality from
338 * the build. The application writer is responsible for providing the hook
339 * function for any set to 1. See https://www.freertos.org/a00016.html. */
340 #define configUSE_IDLE_HOOK 0
341 #define configUSE_TICK_HOOK 0
342 #define configUSE_MALLOC_FAILED_HOOK 0
343 #define configUSE_DAEMON_TASK_STARTUP_HOOK 0
345 /* Set configUSE_SB_COMPLETED_CALLBACK to 1 to have send and receive completed
346 * callbacks for each instance of a stream buffer or message buffer. When the
347 * option is set to 1, APIs xStreamBufferCreateWithCallback() and
348 * xStreamBufferCreateStaticWithCallback() (and likewise APIs for message
349 * buffer) can be used to create a stream buffer or message buffer instance
350 * with application provided callbacks. Defaults to 0 if left undefined. */
351 #define configUSE_SB_COMPLETED_CALLBACK 0
353 /* Set configCHECK_FOR_STACK_OVERFLOW to 1 or 2 for FreeRTOS to check for a
354 * stack overflow at the time of a context switch. Set to 0 to not look for a
355 * stack overflow. If configCHECK_FOR_STACK_OVERFLOW is 1 then the check only
356 * looks for the stack pointer being out of bounds when a task's context is
357 * saved to its stack - this is fast but somewhat ineffective. If
358 * configCHECK_FOR_STACK_OVERFLOW is 2 then the check looks for a pattern
359 * written to the end of a task's stack having been overwritten. This is
360 * slower, but will catch most (but not all) stack overflows. The application
361 * writer must provide the stack overflow callback when
362 * configCHECK_FOR_STACK_OVERFLOW is set to 1. See
363 * https://www.freertos.org/Stacks-and-stack-overflow-checking.html Defaults to
364 * 0 if left undefined. */
365 #define configCHECK_FOR_STACK_OVERFLOW 2
367 /******************************************************************************/
368 /* Run time and task stats gathering related definitions. *********************/
369 /******************************************************************************/
371 /* Set configGENERATE_RUN_TIME_STATS to 1 to have FreeRTOS collect data on the
372 * processing time used by each task. Set to 0 to not collect the data. The
373 * application writer needs to provide a clock source if set to 1. Defaults to
374 * 0 if left undefined. See https://www.freertos.org/rtos-run-time-stats.html.
376 #define configGENERATE_RUN_TIME_STATS 0
378 /* Set configUSE_TRACE_FACILITY to include additional task structure members
379 * are used by trace and visualisation functions and tools. Set to 0 to exclude
380 * the additional information from the structures. Defaults to 0 if left
382 #define configUSE_TRACE_FACILITY 0
384 /* Set to 1 to include the vTaskList() and vTaskGetRunTimeStats() functions in
385 * the build. Set to 0 to exclude these functions from the build. These two
386 * functions introduce a dependency on string formatting functions that would
387 * otherwise not exist - hence they are kept separate. Defaults to 0 if left
389 #define configUSE_STATS_FORMATTING_FUNCTIONS 0
391 /******************************************************************************/
392 /* Co-routine related definitions. ********************************************/
393 /******************************************************************************/
395 /* Set configUSE_CO_ROUTINES to 1 to include co-routine functionality in the
396 * build, or 0 to omit co-routine functionality from the build. To include
397 * co-routines, croutine.c must be included in the project. Defaults to 0 if
399 #define configUSE_CO_ROUTINES 0
401 /* configMAX_CO_ROUTINE_PRIORITIES defines the number of priorities available
402 * to the application co-routines. Any number of co-routines can share the same
403 * priority. Defaults to 0 if left undefined. */
404 #define configMAX_CO_ROUTINE_PRIORITIES 1
406 /******************************************************************************/
407 /* Debugging assistance. ******************************************************/
408 /******************************************************************************/
410 /* configASSERT() has the same semantics as the standard C assert(). It can
411 * either be defined to take an action when the assertion fails, or not defined
412 * at all (i.e. comment out or delete the definitions) to completely remove
413 * assertions. configASSERT() can be defined to anything you want, for example
414 * you can call a function if an assert fails that passes the filename and line
415 * number of the failing assert (for example, "vAssertCalled( __FILE__, __LINE__
416 * )" or it can simple disable interrupts and sit in a loop to halt all
417 * execution on the failing line for viewing in a debugger. */
418 #define configASSERT( x ) \
421 taskDISABLE_INTERRUPTS(); \
426 /******************************************************************************/
427 /* FreeRTOS MPU specific definitions. *****************************************/
428 /******************************************************************************/
430 /* If configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS is set to 1 then
431 * the application writer can provide functions that execute in privileged mode.
433 * https://www.freertos.org/a00110.html#configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS
434 * Defaults to 0 if left undefined. Only used by the FreeRTOS Cortex-M MPU
435 * ports, not the standard ARMv7-M Cortex-M port. */
436 #define configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS 0
438 /* Set configTOTAL_MPU_REGIONS to the number of MPU regions implemented on your
439 * target hardware. Normally 8 or 16. Only used by the FreeRTOS Cortex-M MPU
440 * ports, not the standard ARMv7-M Cortex-M port. Defaults to 8 if left
442 #define configTOTAL_MPU_REGIONS 8
444 /* configTEX_S_C_B_FLASH allows application writers to override the default
445 * values for the for TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits
446 * for the MPU region covering Flash. Defaults to 0x07UL (which means TEX=000,
447 * S=1, C=1, B=1) if left undefined. Only used by the FreeRTOS Cortex-M MPU
448 * ports, not the standard ARMv7-M Cortex-M port. */
449 #define configTEX_S_C_B_FLASH 0x07UL
451 /* configTEX_S_C_B_SRAM allows application writers to override the default
452 * values for the for TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits
453 * for the MPU region covering RAM. Defaults to 0x07UL (which means TEX=000,
454 * S=1, C=1, B=1) if left undefined. Only used by the FreeRTOS Cortex-M MPU
455 * ports, not the standard ARMv7-M Cortex-M port. */
456 #define configTEX_S_C_B_SRAM 0x07UL
458 /* Set configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY to 0 to prevent any privilege
459 * escalations originating from outside of the kernel code itself. Set to 1 to
460 * allow application tasks to raise privilege. Defaults to 1 if left undefined.
461 * Only used by the FreeRTOS Cortex-M MPU ports, not the standard ARMv7-M
463 #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY 1
465 /* Set configALLOW_UNPRIVILEGED_CRITICAL_SECTIONS to 1 to allow unprivileged
466 * tasks enter critical sections (effectively mask interrupts). Set to 0 to
467 * prevent unprivileged tasks entering critical sections. Defaults to 1 if left
468 * undefined. Only used by the FreeRTOS Cortex-M MPU ports, not the standard
469 * ARMv7-M Cortex-M port. */
470 #define configALLOW_UNPRIVILEGED_CRITICAL_SECTIONS 0
472 /* FreeRTOS Kernel version 10.6.0 introduced a new v2 MPU wrapper, namely
473 * mpu_wrappers_v2.c. Set configUSE_MPU_WRAPPERS_V1 to 0 to use the new v2 MPU
474 * wrapper. Set configUSE_MPU_WRAPPERS_V1 to 1 to use the old v1 MPU wrapper
475 * (mpu_wrappers.c). Defaults to 0 if left undefined. */
476 #define configUSE_MPU_WRAPPERS_V1 0
478 /* When using the v2 MPU wrapper, set configPROTECTED_KERNEL_OBJECT_POOL_SIZE to
479 * the total number of kernel objects, which includes tasks, queues, semaphores,
480 * mutexes, event groups, timers, stream buffers and message buffers, in your
481 * application. The application will not be able to have more than
482 * configPROTECTED_KERNEL_OBJECT_POOL_SIZE kernel objects at any point of
484 #define configPROTECTED_KERNEL_OBJECT_POOL_SIZE 10
486 /* When using the v2 MPU wrapper, set configSYSTEM_CALL_STACK_SIZE to the size
487 * of the system call stack in words. Each task has a statically allocated
488 * memory buffer of this size which is used as the stack to execute system
489 * calls. For example, if configSYSTEM_CALL_STACK_SIZE is defined as 128 and
490 * there are 10 tasks in the application, the total amount of memory used for
491 * system call stacks is 128 * 10 = 1280 words. */
492 #define configSYSTEM_CALL_STACK_SIZE 128
494 /* When using the v2 MPU wrapper, set configENABLE_ACCESS_CONTROL_LIST to 1 to
495 * enable Access Control List (ACL) feature. When ACL is enabled, an
496 * unprivileged task by default does not have access to any kernel object other
497 * than itself. The application writer needs to explicitly grant the
498 * unprivileged task access to the kernel objects it needs using the APIs
499 * provided for the same. Defaults to 0 if left undefined. */
500 #define configENABLE_ACCESS_CONTROL_LIST 1
502 /******************************************************************************/
503 /* SMP( Symmetric MultiProcessing ) Specific Configuration definitions. *******/
504 /******************************************************************************/
506 /* Set configNUMBER_OF_CORES to the number of available processor cores.
507 * Defaults to 1 if left undefined. */
510 #define configNUMBER_OF_CORES [Num of available cores]
513 /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one), set
514 * configRUN_MULTIPLE_PRIORITIES to 0 to allow multiple tasks to run
515 * simultaneously only if they do not have equal priority, thereby maintaining
516 * the paradigm of a lower priority task never running if a higher priority task
517 * is able to run. If configRUN_MULTIPLE_PRIORITIES is set to 1, multiple tasks
518 * with different priorities may run simultaneously - so a higher and lower
519 * priority task may run on different cores at the same time. */
520 #define configRUN_MULTIPLE_PRIORITIES 0
522 /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one), set
523 * configUSE_CORE_AFFINITY to 1 to enable core affinity feature. When core
524 * affinity feature is enabled, the vTaskCoreAffinitySet and
525 * vTaskCoreAffinityGet APIs can be used to set and retrieve which cores a task
526 * can run on. If configUSE_CORE_AFFINITY is set to 0 then the FreeRTOS
527 * scheduler is free to run any task on any available core. */
528 #define configUSE_CORE_AFFINITY 0
530 /* When using SMP with core affinity feature enabled, set
531 * configTASK_DEFAULT_CORE_AFFINITY to change the default core affinity mask for
532 * tasks created without an affinity mask specified. Setting the define to 1
533 * would make such tasks run on core 0 and setting it to (1 <<
534 * portGET_CORE_ID()) would make such tasks run on the current core. This config
535 * value is useful, if swapping tasks between cores is not supported (e.g.
536 * Tricore) or if legacy code should be controlled. Defaults to tskNO_AFFINITY
537 * if left undefined. */
538 #define configTASK_DEFAULT_CORE_AFFINITY tskNO_AFFINITY
540 /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one), if
541 * configUSE_TASK_PREEMPTION_DISABLE is set to 1, individual tasks can be set to
542 * either pre-emptive or co-operative mode using the vTaskPreemptionDisable and
543 * vTaskPreemptionEnable APIs. */
544 #define configUSE_TASK_PREEMPTION_DISABLE 0
546 /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one), set
547 * configUSE_PASSIVE_IDLE_HOOK to 1 to allow the application writer to use
548 * the passive idle task hook to add background functionality without the
549 * overhead of a separate task. Defaults to 0 if left undefined. */
550 #define configUSE_PASSIVE_IDLE_HOOK 0
552 /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one),
553 * configTIMER_SERVICE_TASK_CORE_AFFINITY allows the application writer to set
554 * the core affinity of the RTOS Daemon/Timer Service task. Defaults to
555 * tskNO_AFFINITY if left undefined. */
556 #define configTIMER_SERVICE_TASK_CORE_AFFINITY tskNO_AFFINITY
558 /******************************************************************************/
559 /* ARMv8-M secure side port related definitions. ******************************/
560 /******************************************************************************/
562 /* secureconfigMAX_SECURE_CONTEXTS define the maximum number of tasks that can
563 * call into the secure side of an ARMv8-M chip. Not used by any other ports.
565 #define secureconfigMAX_SECURE_CONTEXTS 5
567 /* Defines the kernel provided implementation of
568 * vApplicationGetIdleTaskMemory() and vApplicationGetTimerTaskMemory()
569 * to provide the memory that is used by the Idle task and Timer task
570 * respectively. The application can provide it's own implementation of
571 * vApplicationGetIdleTaskMemory() and vApplicationGetTimerTaskMemory() by
572 * setting configKERNEL_PROVIDED_STATIC_MEMORY to 0 or leaving it undefined. */
573 #define configKERNEL_PROVIDED_STATIC_MEMORY 1
575 /******************************************************************************/
576 /* ARMv8-M port Specific Configuration definitions. ***************************/
577 /******************************************************************************/
579 /* Set configENABLE_TRUSTZONE to 1 when running FreeRTOS on the non-secure side
580 * to enable the TrustZone support in FreeRTOS ARMv8-M ports which allows the
581 * non-secure FreeRTOS tasks to call the (non-secure callable) functions
582 * exported from secure side. */
583 #define configENABLE_TRUSTZONE 1
585 /* If the application writer does not want to use TrustZone, but the hardware
586 * does not support disabling TrustZone then the entire application (including
587 * the FreeRTOS scheduler) can run on the secure side without ever branching to
588 * the non-secure side. To do that, in addition to setting
589 * configENABLE_TRUSTZONE to 0, also set configRUN_FREERTOS_SECURE_ONLY to 1. */
590 #define configRUN_FREERTOS_SECURE_ONLY 1
592 /* Set configENABLE_MPU to 1 to enable the Memory Protection Unit (MPU), or 0
593 * to leave the Memory Protection Unit disabled. */
594 #define configENABLE_MPU 1
596 /* Set configENABLE_FPU to 1 to enable the Floating Point Unit (FPU), or 0
597 * to leave the Floating Point Unit disabled. */
598 #define configENABLE_FPU 1
600 /* Set configENABLE_MVE to 1 to enable the M-Profile Vector Extension (MVE)
601 * support, or 0 to leave the MVE support disabled. This option is only
602 * applicable to Cortex-M55 and Cortex-M85 ports as M-Profile Vector Extension
603 * (MVE) is available only on these architectures. configENABLE_MVE must be left
604 * undefined, or defined to 0 for the Cortex-M23,Cortex-M33 and Cortex-M35P
606 #define configENABLE_MVE 1
608 /******************************************************************************/
609 /* ARMv7-M and ARMv8-M port Specific Configuration definitions. ***************/
610 /******************************************************************************/
612 /* Set configCHECK_HANDLER_INSTALLATION to 1 to enable additional asserts to
613 * verify that the application has correctly installed FreeRTOS interrupt
616 * An application can install FreeRTOS interrupt handlers in one of the
618 * 1. Direct Routing - Install the functions vPortSVCHandler and
619 * xPortPendSVHandler for SVC call and PendSV interrupts respectively.
620 * 2. Indirect Routing - Install separate handlers for SVC call and PendSV
621 * interrupts and route program control from those
622 * handlers to vPortSVCHandler and xPortPendSVHandler functions. The
623 * applications that use Indirect Routing must set
624 * configCHECK_HANDLER_INSTALLATION to 0.
626 * Defaults to 1 if left undefined. */
627 #define configCHECK_HANDLER_INSTALLATION 1
629 /******************************************************************************/
630 /* Definitions that include or exclude functionality. *************************/
631 /******************************************************************************/
633 /* Set the following configUSE_* constants to 1 to include the named feature in
634 * the build, or 0 to exclude the named feature from the build. */
635 #define configUSE_TASK_NOTIFICATIONS 1
636 #define configUSE_MUTEXES 1
637 #define configUSE_RECURSIVE_MUTEXES 1
638 #define configUSE_COUNTING_SEMAPHORES 1
639 #define configUSE_QUEUE_SETS 0
640 #define configUSE_APPLICATION_TASK_TAG 0
642 /* USE_POSIX_ERRNO enables the task global FreeRTOS_errno variable which will
643 * contain the most recent error for that task. */
644 #define configUSE_POSIX_ERRNO 0
646 /* Set the following INCLUDE_* constants to 1 to include the named API function,
647 * or 0 to exclude the named API function. Most linkers will remove unused
648 * functions even when the constant is 1. */
649 #define INCLUDE_vTaskPrioritySet 1
650 #define INCLUDE_uxTaskPriorityGet 1
651 #define INCLUDE_vTaskDelete 1
652 #define INCLUDE_vTaskSuspend 1
653 #define INCLUDE_vTaskDelayUntil 1
654 #define INCLUDE_vTaskDelay 1
655 #define INCLUDE_xTaskGetSchedulerState 1
656 #define INCLUDE_xTaskGetCurrentTaskHandle 1
657 #define INCLUDE_uxTaskGetStackHighWaterMark 0
658 #define INCLUDE_xTaskGetIdleTaskHandle 0
659 #define INCLUDE_eTaskGetState 0
660 #define INCLUDE_xTimerPendFunctionCall 0
661 #define INCLUDE_xTaskAbortDelay 0
662 #define INCLUDE_xTaskGetHandle 0
663 #define INCLUDE_xTaskResumeFromISR 1
665 #endif /* FREERTOS_CONFIG_H */