1 /*
2  * FreeRTOS Kernel V11.0.1
3  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
4  *
5  * SPDX-License-Identifier: MIT
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a copy of
8  * this software and associated documentation files (the "Software"), to deal in
9  * the Software without restriction, including without limitation the rights to
10  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
11  * the Software, and to permit persons to whom the Software is furnished to do so,
12  * subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included in all
15  * copies or substantial portions of the Software.
16  *
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, FITNESS
19  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
20  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
21  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * https://www.FreeRTOS.org
25  * https://github.com/FreeRTOS
26  *
27  */
28 
29 /*******************************************************************************
30  * This file provides an example FreeRTOSConfig.h header file, inclusive of an
31  * abbreviated explanation of each configuration item.  Online and reference
32  * documentation provides more information.
33  * https://www.freertos.org/a00110.html
34  *
35  * Constant values enclosed in square brackets ('[' and ']') must be completed
36  * before this file will build.
37  *
38  * Use the FreeRTOSConfig.h supplied with the RTOS port in use rather than this
39  * generic file, if one is available.
40  ******************************************************************************/
41 
42 #ifndef FREERTOS_CONFIG_H
43 #define FREERTOS_CONFIG_H
44 
45 /******************************************************************************/
46 /* Hardware description related definitions. **********************************/
47 /******************************************************************************/
48 
49 /* In most cases, configCPU_CLOCK_HZ must be set to the frequency of the clock
50  * that drives the peripheral used to generate the kernels periodic tick interrupt.
51  * The default value is set to 20MHz and matches the QEMU demo settings.  Your
52  * application will certainly need a different value so set this correctly.
53  * This is very often, but not always, equal to the main system clock frequency. */
54 #define configCPU_CLOCK_HZ    ( ( unsigned long ) 20000000 )
55 
56 /* configSYSTICK_CLOCK_HZ is an optional parameter for ARM Cortex-M ports only.
57  *
58  * By default ARM Cortex-M ports generate the RTOS tick interrupt from the
59  * Cortex-M SysTick timer. Most Cortex-M MCUs run the SysTick timer at the same
60  * frequency as the MCU itself - when that is the case configSYSTICK_CLOCK_HZ is
61  * not needed and should be left undefined. If the SysTick timer is clocked at a
62  * different frequency to the MCU core then set configCPU_CLOCK_HZ to the MCU clock
63  * frequency, as normal, and configSYSTICK_CLOCK_HZ to the SysTick clock
64  * frequency.  Not used if left undefined.
65  * The default value is undefined (commented out).  If you need this value bring it
66  * back and set it to a suitable value. */
67 
68 /*
69  #define configSYSTICK_CLOCK_HZ                  [Platform specific]
70  */
71 
72 /******************************************************************************/
73 /* Scheduling behaviour related definitions. **********************************/
74 /******************************************************************************/
75 
76 /* configTICK_RATE_HZ sets frequency of the tick interrupt in Hz, normally
77  * calculated from the configCPU_CLOCK_HZ value. */
78 #define configTICK_RATE_HZ                         100
79 
80 /* Set configUSE_PREEMPTION to 1 to use pre-emptive scheduling.  Set
81  * configUSE_PREEMPTION to 0 to use co-operative scheduling.
82  * See https://www.freertos.org/single-core-amp-smp-rtos-scheduling.html. */
83 #define configUSE_PREEMPTION                       1
84 
85 /* Set configUSE_TIME_SLICING to 1 to have the scheduler switch between Ready
86  * state tasks of equal priority on every tick interrupt.  Set
87  * configUSE_TIME_SLICING to 0 to prevent the scheduler switching between Ready
88  * state tasks just because there was a tick interrupt.  See
89  * https://freertos.org/single-core-amp-smp-rtos-scheduling.html. */
90 #define configUSE_TIME_SLICING                     0
91 
92 /* Set configUSE_PORT_OPTIMISED_TASK_SELECTION to 1 to select the next task to
93  * run using an algorithm optimised to the instruction set of the target hardware -
94  * normally using a count leading zeros assembly instruction.  Set to 0 to select
95  * the next task to run using a generic C algorithm that works for all FreeRTOS
96  * ports.  Not all FreeRTOS ports have this option.  Defaults to 0 if left
97  * undefined. */
98 #define configUSE_PORT_OPTIMISED_TASK_SELECTION    0
99 
100 /* Set configUSE_TICKLESS_IDLE to 1 to use the low power tickless mode.  Set to
101  * 0 to keep the tick interrupt running at all times.  Not all FreeRTOS ports
102  * support tickless mode. See https://www.freertos.org/low-power-tickless-rtos.html
103  * Defaults to 0 if left undefined. */
104 #define configUSE_TICKLESS_IDLE                    0
105 
106 /* configMAX_PRIORITIES Sets the number of available task priorities.  Tasks can
107  * be assigned priorities of 0 to (configMAX_PRIORITIES - 1).  Zero is the lowest
108  * priority. */
109 #define configMAX_PRIORITIES                       5
110 
111 /* configMINIMAL_STACK_SIZE defines the size of the stack used by the Idle task
112  * (in words, not in bytes!).  The kernel does not use this constant for any other
113  * purpose.  Demo applications use the constant to make the demos somewhat portable
114  * across hardware architectures. */
115 #define configMINIMAL_STACK_SIZE                   128
116 
117 /* configMAX_TASK_NAME_LEN sets the maximum length (in characters) of a task's
118  * human readable name.  Includes the NULL terminator. */
119 #define configMAX_TASK_NAME_LEN                    16
120 
121 /* Time is measured in 'ticks' - which is the number of times the tick interrupt
122  * has executed since the RTOS kernel was started.
123  * The tick count is held in a variable of type TickType_t.
124  *
125  * configTICK_TYPE_WIDTH_IN_BITS controls the type (and therefore bit-width) of TickType_t:
126  *
127  * Defining configTICK_TYPE_WIDTH_IN_BITS as TICK_TYPE_WIDTH_16_BITS causes
128  * TickType_t to be defined (typedef'ed) as an unsigned 16-bit type.
129  *
130  * Defining configTICK_TYPE_WIDTH_IN_BITS as TICK_TYPE_WIDTH_32_BITS causes
131  * TickType_t to be defined (typedef'ed) as an unsigned 32-bit type.
132  *
133  * Defining configTICK_TYPE_WIDTH_IN_BITS as TICK_TYPE_WIDTH_64_BITS causes
134  * TickType_t to be defined (typedef'ed) as an unsigned 64-bit type. */
135 #define configTICK_TYPE_WIDTH_IN_BITS              TICK_TYPE_WIDTH_64_BITS
136 
137 /* Set configIDLE_SHOULD_YIELD to 1 to have the Idle task yield to an
138  * application task if there is an Idle priority (priority 0) application task that
139  * can run.  Set to 0 to have the Idle task use all of its timeslice.  Default to 1
140  * if left undefined. */
141 #define configIDLE_SHOULD_YIELD                    1
142 
143 /* Each task has an array of task notifications.
144  * configTASK_NOTIFICATION_ARRAY_ENTRIES sets the number of indexes in the array.
145  * See https://www.freertos.org/RTOS-task-notifications.html  Defaults to 1 if
146  * left undefined. */
147 #define configTASK_NOTIFICATION_ARRAY_ENTRIES      1
148 
149 /* configQUEUE_REGISTRY_SIZE sets the maximum number of queues and semaphores
150  * that can be referenced from the queue registry.  Only required when using a
151  * kernel aware debugger.  Defaults to 0 if left undefined. */
152 #define configQUEUE_REGISTRY_SIZE                  0
153 
154 /* Set configENABLE_BACKWARD_COMPATIBILITY to 1 to map function names and
155  * datatypes from old version of FreeRTOS to their latest equivalent.  Defaults to
156  * 1 if left undefined. */
157 #define configENABLE_BACKWARD_COMPATIBILITY        0
158 
159 /* Each task has its own array of pointers that can be used as thread local
160  * storage.  configNUM_THREAD_LOCAL_STORAGE_POINTERS set the number of indexes in
161  * the array.  See https://www.freertos.org/thread-local-storage-pointers.html
162  * Defaults to 0 if left undefined. */
163 #define configNUM_THREAD_LOCAL_STORAGE_POINTERS    0
164 
165 /* When configUSE_MINI_LIST_ITEM is set to 0, MiniListItem_t and ListItem_t are
166  * both the same. When configUSE_MINI_LIST_ITEM is set to 1, MiniListItem_t contains
167  * 3 fewer fields than ListItem_t which saves some RAM at the cost of violating
168  * strict aliasing rules which some compilers depend on for optimization. Defaults
169  * to 1 if left undefined. */
170 #define configUSE_MINI_LIST_ITEM                   1
171 
172 /* Sets the type used by the parameter to xTaskCreate() that specifies the stack
173  * size of the task being created.  The same type is used to return information
174  * about stack usage in various other API calls.  Defaults to size_t if left
175  * undefined. */
176 #define configSTACK_DEPTH_TYPE                     size_t
177 
178 /* configMESSAGE_BUFFER_LENGTH_TYPE sets the type used to store the length of
179  * each message written to a FreeRTOS message buffer (the length is also written to
180  * the message buffer.  Defaults to size_t if left undefined - but that may waste
181  * space if messages never go above a length that could be held in a uint8_t. */
182 #define configMESSAGE_BUFFER_LENGTH_TYPE           size_t
183 
184 /* If configHEAP_CLEAR_MEMORY_ON_FREE is set to 1, then blocks of memory allocated
185  * using pvPortMalloc() will be cleared (i.e. set to zero) when freed using
186  * vPortFree(). Defaults to 0 if left undefined. */
187 #define configHEAP_CLEAR_MEMORY_ON_FREE            1
188 
189 /* vTaskList and vTaskGetRunTimeStats APIs take a buffer as a parameter and assume
190  * that the length of the buffer is configSTATS_BUFFER_MAX_LENGTH. Defaults to
191  * 0xFFFF if left undefined.
192  * New applications are recommended to use vTaskListTasks and
193  * vTaskGetRunTimeStatistics APIs instead and supply the length of the buffer
194  * explicitly to avoid memory corruption. */
195 #define configSTATS_BUFFER_MAX_LENGTH              0xFFFF
196 
197 /* Set configUSE_NEWLIB_REENTRANT to 1 to have a newlib reent structure
198  * allocated for each task.  Set to 0 to not support newlib reent structures.
199  * Default to 0 if left undefined.
200  *
201  * Note Newlib support has been included by popular demand, but is not used or
202  * tested by the FreeRTOS maintainers themselves. FreeRTOS is not responsible for
203  * resulting newlib operation. User must be familiar with newlib and must provide
204  * system-wide implementations of the necessary stubs. Note that (at the time of
205  * writing) the current newlib design implements a system-wide malloc() that must
206  * be provided with locks. */
207 #define configUSE_NEWLIB_REENTRANT                 0
208 
209 /******************************************************************************/
210 /* Software timer related definitions. ****************************************/
211 /******************************************************************************/
212 
213 /* Set configUSE_TIMERS to 1 to include software timer functionality in the
214  * build.  Set to 0 to exclude software timer functionality from the build.  The
215  * FreeRTOS/source/timers.c source file must be included in the build if
216  * configUSE_TIMERS is set to 1.  Default to 0 if left undefined.  See
217  * https://www.freertos.org/RTOS-software-timer.html. */
218 #define configUSE_TIMERS                1
219 
220 /* configTIMER_TASK_PRIORITY sets the priority used by the timer task.  Only
221  * used if configUSE_TIMERS is set to 1.  The timer task is a standard FreeRTOS
222  * task, so its priority is set like any other task.  See
223  * https://www.freertos.org/RTOS-software-timer-service-daemon-task.html  Only used
224  * if configUSE_TIMERS is set to 1. */
225 #define configTIMER_TASK_PRIORITY       ( configMAX_PRIORITIES - 1 )
226 
227 /* configTIMER_TASK_STACK_DEPTH sets the size of the stack allocated to the
228  * timer task (in words, not in bytes!).  The timer task is a standard FreeRTOS
229  * task.  See https://www.freertos.org/RTOS-software-timer-service-daemon-task.html
230  * Only used if configUSE_TIMERS is set to 1. */
231 #define configTIMER_TASK_STACK_DEPTH    configMINIMAL_STACK_SIZE
232 
233 /* configTIMER_QUEUE_LENGTH sets the length of the queue (the number of discrete
234  * items the queue can hold) used to send commands to the timer task.  See
235  * https://www.freertos.org/RTOS-software-timer-service-daemon-task.html  Only used
236  * if configUSE_TIMERS is set to 1. */
237 #define configTIMER_QUEUE_LENGTH        10
238 
239 /******************************************************************************/
240 /* Memory allocation related definitions. *************************************/
241 /******************************************************************************/
242 
243 /* Set configSUPPORT_STATIC_ALLOCATION to 1 to include FreeRTOS API functions
244  * that create FreeRTOS objects (tasks, queues, etc.) using statically allocated
245  * memory in the build.  Set to 0 to exclude the ability to create statically
246  * allocated objects from the build.  Defaults to 0 if left undefined.  See
247  * https://www.freertos.org/Static_Vs_Dynamic_Memory_Allocation.html. */
248 #define configSUPPORT_STATIC_ALLOCATION              1
249 
250 /* Set configSUPPORT_DYNAMIC_ALLOCATION to 1 to include FreeRTOS API functions
251  * that create FreeRTOS objects (tasks, queues, etc.) using dynamically allocated
252  * memory in the build.  Set to 0 to exclude the ability to create dynamically
253  * allocated objects from the build.  Defaults to 1 if left undefined.  See
254  * https://www.freertos.org/Static_Vs_Dynamic_Memory_Allocation.html. */
255 #define configSUPPORT_DYNAMIC_ALLOCATION             1
256 
257 /* Sets the total size of the FreeRTOS heap, in bytes, when heap_1.c, heap_2.c
258  * or heap_4.c are included in the build.  This value is defaulted to 4096 bytes but
259  * it must be tailored to each application.  Note the heap will appear in the .bss
260  * section.  See https://www.freertos.org/a00111.html. */
261 #define configTOTAL_HEAP_SIZE                        4096
262 
263 /* Set configAPPLICATION_ALLOCATED_HEAP to 1 to have the application allocate
264  * the array used as the FreeRTOS heap.  Set to 0 to have the linker allocate the
265  * array used as the FreeRTOS heap.  Defaults to 0 if left undefined. */
266 #define configAPPLICATION_ALLOCATED_HEAP             0
267 
268 /* Set configSTACK_ALLOCATION_FROM_SEPARATE_HEAP to 1 to have task stacks
269  * allocated from somewhere other than the FreeRTOS heap.  This is useful if you
270  * want to ensure stacks are held in fast memory.  Set to 0 to have task stacks
271  * come from the standard FreeRTOS heap.  The application writer must provide
272  * implementations for pvPortMallocStack() and vPortFreeStack() if set to 1.
273  * Defaults to 0 if left undefined. */
274 #define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP    0
275 
276 /* Set configENABLE_HEAP_PROTECTOR to 1 to enable bounds checking and obfuscation
277  * to internal heap block pointers in heap_4.c and heap_5.c to help catch pointer
278  * corruptions. Defaults to 0 if left undefined. */
279 #define configENABLE_HEAP_PROTECTOR                  0
280 
281 /******************************************************************************/
282 /* Interrupt nesting behaviour configuration. *********************************/
283 /******************************************************************************/
284 
285 /* configKERNEL_INTERRUPT_PRIORITY sets the priority of the tick and context
286  * switch performing interrupts.  The default value is set to the highest interrupt
287  * priority (0).  Not supported by all FreeRTOS ports.  See
288  * https://www.freertos.org/RTOS-Cortex-M3-M4.html for information specific to ARM
289  * Cortex-M devices. */
290 #define configKERNEL_INTERRUPT_PRIORITY          0
291 
292 /* configMAX_SYSCALL_INTERRUPT_PRIORITY sets the interrupt priority above which
293  * FreeRTOS API calls must not be made.  Interrupts above this priority are never
294  * disabled, so never delayed by RTOS activity.  The default value is set to the
295  * highest interrupt priority (0).  Not supported by all FreeRTOS ports.
296  * See https://www.freertos.org/RTOS-Cortex-M3-M4.html for information specific to
297  * ARM Cortex-M devices. */
298 #define configMAX_SYSCALL_INTERRUPT_PRIORITY     0
299 
300 /* Another name for configMAX_SYSCALL_INTERRUPT_PRIORITY - the name used depends
301  * on the FreeRTOS port. */
302 #define configMAX_API_CALL_INTERRUPT_PRIORITY    0
303 
304 /******************************************************************************/
305 /* Hook and callback function related definitions. ****************************/
306 /******************************************************************************/
307 
308 /* Set the following configUSE_* constants to 1 to include the named hook
309  * functionality in the build.  Set to 0 to exclude the hook functionality from the
310  * build.  The application writer is responsible for providing the hook function
311  * for any set to 1.  See https://www.freertos.org/a00016.html. */
312 #define configUSE_IDLE_HOOK                   0
313 #define configUSE_TICK_HOOK                   0
314 #define configUSE_MALLOC_FAILED_HOOK          0
315 #define configUSE_DAEMON_TASK_STARTUP_HOOK    0
316 
317 /* Set configUSE_SB_COMPLETED_CALLBACK to 1 to have send and receive completed
318  * callbacks for each instance of a stream buffer or message buffer. When the
319  * option is set to 1, APIs xStreamBufferCreateWithCallback() and
320  * xStreamBufferCreateStaticWithCallback() (and likewise APIs for message
321  * buffer) can be used to create a stream buffer or message buffer instance
322  * with application provided callbacks. Defaults to 0 if left undefined. */
323 #define configUSE_SB_COMPLETED_CALLBACK       0
324 
325 /* Set configCHECK_FOR_STACK_OVERFLOW to 1 or 2 for FreeRTOS to check for a
326  * stack overflow at the time of a context switch.  Set to 0 to not look for a
327  * stack overflow.  If configCHECK_FOR_STACK_OVERFLOW is 1 then the check only
328  * looks for the stack pointer being out of bounds when a task's context is saved
329  * to its stack - this is fast but somewhat ineffective.  If
330  * configCHECK_FOR_STACK_OVERFLOW is 2 then the check looks for a pattern written
331  * to the end of a task's stack having been overwritten.  This is slower, but will
332  * catch most (but not all) stack overflows.  The application writer must provide
333  * the stack overflow callback when configCHECK_FOR_STACK_OVERFLOW is set to 1.
334  * See https://www.freertos.org/Stacks-and-stack-overflow-checking.html  Defaults
335  * to 0 if left undefined. */
336 #define configCHECK_FOR_STACK_OVERFLOW        2
337 
338 /******************************************************************************/
339 /* Run time and task stats gathering related definitions. *********************/
340 /******************************************************************************/
341 
342 /* Set configGENERATE_RUN_TIME_STATS to 1 to have FreeRTOS collect data on the
343  * processing time used by each task.  Set to 0 to not collect the data.  The
344  * application writer needs to provide a clock source if set to 1.  Defaults to 0
345  * if left undefined.  See https://www.freertos.org/rtos-run-time-stats.html. */
346 #define configGENERATE_RUN_TIME_STATS           0
347 
348 /* Set configUSE_TRACE_FACILITY to include additional task structure members
349  * are used by trace and visualisation functions and tools.  Set to 0 to exclude
350  * the additional information from the structures. Defaults to 0 if left
351  * undefined. */
352 #define configUSE_TRACE_FACILITY                0
353 
354 /* Set to 1 to include the vTaskList() and vTaskGetRunTimeStats() functions in
355  * the build.  Set to 0 to exclude these functions from the build.  These two
356  * functions introduce a dependency on string formatting functions that would
357  * otherwise not exist - hence they are kept separate.  Defaults to 0 if left
358  * undefined. */
359 #define configUSE_STATS_FORMATTING_FUNCTIONS    0
360 
361 /******************************************************************************/
362 /* Co-routine related definitions. ********************************************/
363 /******************************************************************************/
364 
365 /* Set configUSE_CO_ROUTINES to 1 to include co-routine functionality in the
366  * build, or 0 to omit co-routine functionality from the build. To include
367  * co-routines, croutine.c must be included in the project. Defaults to 0 if left
368  * undefined. */
369 #define configUSE_CO_ROUTINES              0
370 
371 /* configMAX_CO_ROUTINE_PRIORITIES defines the number of priorities available
372  * to the application co-routines. Any number of co-routines can share the same
373  * priority. Defaults to 0 if left undefined. */
374 #define configMAX_CO_ROUTINE_PRIORITIES    1
375 
376 /******************************************************************************/
377 /* Debugging assistance. ******************************************************/
378 /******************************************************************************/
379 
380 /* configASSERT() has the same semantics as the standard C assert().  It can
381  * either be defined to take an action when the assertion fails, or not defined
382  * at all (i.e. comment out or delete the definitions) to completely remove
383  * assertions.  configASSERT() can be defined to anything you want, for example
384  * you can call a function if an assert fails that passes the filename and line
385  * number of the failing assert (for example, "vAssertCalled( __FILE__, __LINE__ )"
386  * or it can simple disable interrupts and sit in a loop to halt all execution
387  * on the failing line for viewing in a debugger. */
388 #define configASSERT( x )         \
389     if( ( x ) == 0 )              \
390     {                             \
391         taskDISABLE_INTERRUPTS(); \
392         for( ; ; )                \
393         ;                         \
394     }
395 
396 /******************************************************************************/
397 /* FreeRTOS MPU specific definitions. *****************************************/
398 /******************************************************************************/
399 
400 /* If configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS is set to 1 then
401  * the application writer can provide functions that execute in privileged mode.
402  * See: https://www.freertos.org/a00110.html#configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS
403  * Defaults to 0 if left undefined.  Only used by the FreeRTOS Cortex-M MPU ports,
404  * not the standard ARMv7-M Cortex-M port. */
405 #define configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS    0
406 
407 /* Set configTOTAL_MPU_REGIONS to the number of MPU regions implemented on your
408  * target hardware.  Normally 8 or 16.  Only used by the FreeRTOS Cortex-M MPU
409  * ports, not the standard ARMv7-M Cortex-M port.  Defaults to 8 if left
410  * undefined. */
411 #define configTOTAL_MPU_REGIONS                                   8
412 
413 /* configTEX_S_C_B_FLASH allows application writers to override the default
414  * values for the for TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for
415  * the MPU region covering Flash.  Defaults to 0x07UL (which means TEX=000, S=1,
416  * C=1, B=1) if left undefined.  Only used by the FreeRTOS Cortex-M MPU ports, not
417  * the standard ARMv7-M Cortex-M port. */
418 #define configTEX_S_C_B_FLASH                                     0x07UL
419 
420 /* configTEX_S_C_B_SRAM allows application writers to override the default
421  * values for the for TEX, Shareable (S), Cacheable (C) and Bufferable (B) bits for
422  * the MPU region covering RAM. Defaults to 0x07UL (which means TEX=000, S=1, C=1,
423  * B=1) if left undefined.  Only used by the FreeRTOS Cortex-M MPU ports, not
424  * the standard ARMv7-M Cortex-M port. */
425 #define configTEX_S_C_B_SRAM                                      0x07UL
426 
427 /* Set configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY to 0 to prevent any privilege
428  * escalations originating from outside of the kernel code itself.  Set to 1 to
429  * allow application tasks to raise privilege.  Defaults to 1 if left undefined.
430  * Only used by the FreeRTOS Cortex-M MPU ports, not the standard ARMv7-M Cortex-M
431  * port. */
432 #define configENFORCE_SYSTEM_CALLS_FROM_KERNEL_ONLY               1
433 
434 /* Set configALLOW_UNPRIVILEGED_CRITICAL_SECTIONS to 1 to allow unprivileged
435  * tasks enter critical sections (effectively mask interrupts).  Set to 0 to
436  * prevent unprivileged tasks entering critical sections.  Defaults to 1 if left
437  * undefined.  Only used by the FreeRTOS Cortex-M MPU ports, not the standard
438  * ARMv7-M Cortex-M port. */
439 #define configALLOW_UNPRIVILEGED_CRITICAL_SECTIONS                0
440 
441 /* FreeRTOS Kernel version 10.6.0 introduced a new v2 MPU wrapper, namely
442  * mpu_wrappers_v2.c. Set configUSE_MPU_WRAPPERS_V1 to 0 to use the new v2 MPU
443  * wrapper. Set configUSE_MPU_WRAPPERS_V1 to 1 to use the old v1 MPU wrapper
444  * (mpu_wrappers.c). Defaults to 0 if left undefined. */
445 #define configUSE_MPU_WRAPPERS_V1                                 0
446 
447 /* When using the v2 MPU wrapper, set configPROTECTED_KERNEL_OBJECT_POOL_SIZE to
448  * the total number of kernel objects, which includes tasks, queues, semaphores,
449  * mutexes, event groups, timers, stream buffers and message buffers, in your
450  * application. The application will not be able to have more than
451  * configPROTECTED_KERNEL_OBJECT_POOL_SIZE kernel objects at any point of
452  * time. */
453 #define configPROTECTED_KERNEL_OBJECT_POOL_SIZE                   10
454 
455 /* When using the v2 MPU wrapper, set configSYSTEM_CALL_STACK_SIZE to the size
456  * of the system call stack in words. Each task has a statically allocated
457  * memory buffer of this size which is used as the stack to execute system
458  * calls. For example, if configSYSTEM_CALL_STACK_SIZE is defined as 128 and
459  * there are 10 tasks in the application, the total amount of memory used for
460  * system call stacks is 128 * 10 = 1280 words. */
461 #define configSYSTEM_CALL_STACK_SIZE                              128
462 
463 /* When using the v2 MPU wrapper, set configENABLE_ACCESS_CONTROL_LIST to 1 to
464  * enable Access Control List (ACL) feature. When ACL is enabled, an
465  * unprivileged task by default does not have access to any kernel object other
466  * than itself. The application writer needs to explicitly grant the
467  * unprivileged task access to the kernel objects it needs using the APIs
468  * provided for the same. Defaults to 0 if left undefined. */
469 #define configENABLE_ACCESS_CONTROL_LIST                          1
470 
471 /******************************************************************************/
472 /* SMP( Symmetric MultiProcessing ) Specific Configuration definitions. *******/
473 /******************************************************************************/
474 
475 /* Set configNUMBER_OF_CORES to the number of available processor cores. Defaults
476  * to 1 if left undefined. */
477 
478 /*
479  #define configNUMBER_OF_CORES                     [Num of available cores]
480  */
481 
482 /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one), set
483  * configRUN_MULTIPLE_PRIORITIES to 0 to allow multiple tasks to run
484  * simultaneously only if they do not have equal priority, thereby maintaining
485  * the paradigm of a lower priority task never running if a higher priority task
486  * is able to run. If configRUN_MULTIPLE_PRIORITIES is set to 1, multiple tasks
487  * with different priorities may run simultaneously - so a higher and lower
488  * priority task may run on different cores at the same time. */
489 #define configRUN_MULTIPLE_PRIORITIES             0
490 
491 /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one), set
492  * configUSE_CORE_AFFINITY to 1 to enable core affinity feature. When core
493  * affinity feature is enabled, the vTaskCoreAffinitySet and vTaskCoreAffinityGet
494  * APIs can be used to set and retrieve which cores a task can run on. If
495  * configUSE_CORE_AFFINITY is set to 0 then the FreeRTOS scheduler is free to
496  * run any task on any available core. */
497 #define configUSE_CORE_AFFINITY                   0
498 
499 /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one), if
500  * configUSE_TASK_PREEMPTION_DISABLE is set to 1, individual tasks can be set to
501  * either pre-emptive or co-operative mode using the vTaskPreemptionDisable and
502  * vTaskPreemptionEnable APIs. */
503 #define configUSE_TASK_PREEMPTION_DISABLE         0
504 
505 /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one), set
506  * configUSE_PASSIVE_IDLE_HOOK to 1 to allow the application writer to use
507  * the passive idle task hook to add background functionality without the overhead
508  * of a separate task. Defaults to 0 if left undefined. */
509 #define configUSE_PASSIVE_IDLE_HOOK               0
510 
511 /* When using SMP (i.e. configNUMBER_OF_CORES is greater than one),
512  * configTIMER_SERVICE_TASK_CORE_AFFINITY allows the application writer to set
513  * the core affinity of the RTOS Daemon/Timer Service task. Defaults to
514  * tskNO_AFFINITY if left undefined. */
515 #define configTIMER_SERVICE_TASK_CORE_AFFINITY    tskNO_AFFINITY
516 
517 
518 /******************************************************************************/
519 /* ARMv8-M secure side port related definitions. ******************************/
520 /******************************************************************************/
521 
522 /* secureconfigMAX_SECURE_CONTEXTS define the maximum number of tasks that can
523  *  call into the secure side of an ARMv8-M chip.  Not used by any other ports. */
524 #define secureconfigMAX_SECURE_CONTEXTS        5
525 
526 /* Defines the kernel provided implementation of
527  * vApplicationGetIdleTaskMemory() and vApplicationGetTimerTaskMemory()
528  * to provide the memory that is used by the Idle task and Timer task respectively.
529  * The application can provide it's own implementation of
530  * vApplicationGetIdleTaskMemory() and vApplicationGetTimerTaskMemory() by
531  * setting configKERNEL_PROVIDED_STATIC_MEMORY to 0 or leaving it undefined. */
532 #define configKERNEL_PROVIDED_STATIC_MEMORY    1
533 
534 /******************************************************************************/
535 /* Definitions that include or exclude functionality. *************************/
536 /******************************************************************************/
537 
538 /* Set the following configUSE_* constants to 1 to include the named feature in
539  * the build, or 0 to exclude the named feature from the build. */
540 #define configUSE_TASK_NOTIFICATIONS           1
541 #define configUSE_MUTEXES                      1
542 #define configUSE_RECURSIVE_MUTEXES            1
543 #define configUSE_COUNTING_SEMAPHORES          1
544 #define configUSE_QUEUE_SETS                   0
545 #define configUSE_APPLICATION_TASK_TAG         0
546 
547 /* Set the following INCLUDE_* constants to 1 to incldue the named API function,
548  * or 0 to exclude the named API function.  Most linkers will remove unused
549  * functions even when the constant is 1. */
550 #define INCLUDE_vTaskPrioritySet               1
551 #define INCLUDE_uxTaskPriorityGet              1
552 #define INCLUDE_vTaskDelete                    1
553 #define INCLUDE_vTaskSuspend                   1
554 #define INCLUDE_xResumeFromISR                 1
555 #define INCLUDE_vTaskDelayUntil                1
556 #define INCLUDE_vTaskDelay                     1
557 #define INCLUDE_xTaskGetSchedulerState         1
558 #define INCLUDE_xTaskGetCurrentTaskHandle      1
559 #define INCLUDE_uxTaskGetStackHighWaterMark    0
560 #define INCLUDE_xTaskGetIdleTaskHandle         0
561 #define INCLUDE_eTaskGetState                  0
562 #define INCLUDE_xEventGroupSetBitFromISR       1
563 #define INCLUDE_xTimerPendFunctionCall         0
564 #define INCLUDE_xTaskAbortDelay                0
565 #define INCLUDE_xTaskGetHandle                 0
566 #define INCLUDE_xTaskResumeFromISR             1
567 
568 #endif /* FREERTOS_CONFIG_H */
569