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https://github.com/licsber/micropython.git
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469c623bb8
The 16k FreeRTOS heap originally had all TCBs and stacks dynamically allocated within it (plus semaphores and some other things). Now that xTaskCreateStatic is used instead of xTaskCreate, the TCBs and stacks are allocated statically and no longer use any of the FreeRTOS heap. Therefore, the FreeRTOS stack can be shrunk by the amount that has been made static. Furthermore, the TCBs and stack that are now static should be placed in the .rtos_heaps section of RAM because this RAM is treated specially by the bootloader (the bootloader executes from the first 16k of RAM and loads the firmware into the section starting after the 16k). After this patch the FreeRTOS heap (ucHeap) is 7200 bytes. The memory available for the MicroPython heap is 54936 bytes (including GC overhead).
174 lines
7.7 KiB
C
174 lines
7.7 KiB
C
/*
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FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that has become a de facto standard. *
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* *
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* Help yourself get started quickly and support the FreeRTOS *
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* project by purchasing a FreeRTOS tutorial book, reference *
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* manual, or both from: http://www.FreeRTOS.org/Documentation *
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* *
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* Thank you! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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>>! NOTE: The modification to the GPL is included to allow you to !<<
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>>! distribute a combined work that includes FreeRTOS without being !<<
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>>! obliged to provide the source code for proprietary components !<<
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>>! outside of the FreeRTOS kernel. !<<
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available from the following
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link: http://www.freertos.org/a00114.html
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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*/
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#ifndef FREERTOS_CONFIG_H
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#define FREERTOS_CONFIG_H
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/*-----------------------------------------------------------
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* Application specific definitions.
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*
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* These definitions should be adjusted for your particular hardware and
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* application requirements.
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*
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* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
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* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
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*
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* See http://www.freertos.org/a00110.html.
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*----------------------------------------------------------*/
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#define configUSE_PREEMPTION 1
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#define configUSE_IDLE_HOOK 1
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#define configUSE_TICK_HOOK 1
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#define configCPU_CLOCK_HZ ( ( unsigned long ) 80000000 )
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#define configTICK_RATE_HZ ( ( TickType_t ) 1000 )
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#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 72 )
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#define configTOTAL_HEAP_SIZE ( ( size_t ) ( \
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16384 /* 16kbytes for FreeRTOS data structures and heap */ \
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- sizeof(StaticTask_t) - configMINIMAL_STACK_SIZE * sizeof(StackType_t) /* TCB+stack for idle task */ \
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- sizeof(StaticTask_t) - 1024 /* TCB+stack for servers task */ \
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- sizeof(StaticTask_t) - 6656 /* TCB+stack for main MicroPython task */ \
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- sizeof(StaticTask_t) - 896 /* TCB+stack for simplelink spawn task */ \
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) )
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#define configMAX_TASK_NAME_LEN ( 8 )
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#define configUSE_TRACE_FACILITY 0
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#define configUSE_16_BIT_TICKS 0
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#define configIDLE_SHOULD_YIELD 1
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#define configUSE_CO_ROUTINES 0
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#define configUSE_MUTEXES 0
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#define configUSE_RECURSIVE_MUTEXES 0
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#ifdef DEBUG
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#define configCHECK_FOR_STACK_OVERFLOW 1
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#else
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#define configCHECK_FOR_STACK_OVERFLOW 0
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#endif
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#define configUSE_QUEUE_SETS 0
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#define configUSE_COUNTING_SEMAPHORES 0
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#define configUSE_ALTERNATIVE_API 0
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#define configMAX_PRIORITIES ( 4UL )
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#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
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#define configQUEUE_REGISTRY_SIZE 0
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/* Timer related defines. */
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#define configUSE_TIMERS 0
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#define configTIMER_TASK_PRIORITY 2
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#define configTIMER_QUEUE_LENGTH 20
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#define configTIMER_TASK_STACK_DEPTH ( configMINIMAL_STACK_SIZE * 2 )
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#ifdef DEBUG
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#define configUSE_MALLOC_FAILED_HOOK 1
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#else
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#define configUSE_MALLOC_FAILED_HOOK 0
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#endif
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#define configENABLE_BACKWARD_COMPATIBILITY 0
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/* Set the following definitions to 1 to include the API function, or zero
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to exclude the API function. */
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#define INCLUDE_vTaskPrioritySet 0
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#define INCLUDE_uxTaskPriorityGet 0
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#define INCLUDE_vTaskDelete 0
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#define INCLUDE_vTaskCleanUpResources 0
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#define INCLUDE_vTaskSuspend 0
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#define INCLUDE_vTaskDelayUntil 0
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#define INCLUDE_vTaskDelay 1
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#ifdef DEBUG
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#define INCLUDE_uxTaskGetStackHighWaterMark 1
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#else
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#define INCLUDE_uxTaskGetStackHighWaterMark 0
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#endif
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#define INCLUDE_xTaskGetSchedulerState 0
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#define INCLUDE_xTimerGetTimerDaemonTaskHandle 0
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#ifdef DEBUG
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#define INCLUDE_xTaskGetIdleTaskHandle 1
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#else
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#define INCLUDE_xTaskGetIdleTaskHandle 0
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#endif
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#define INCLUDE_pcTaskGetTaskName 0
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#define INCLUDE_eTaskGetState 0
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#define INCLUDE_xSemaphoreGetMutexHolder 0
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#define configKERNEL_INTERRUPT_PRIORITY ( 7 << 5 ) /* Priority 7, or 255 as only the top three bits are implemented. This is the lowest priority. */
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/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
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See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
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#define configMAX_SYSCALL_INTERRUPT_PRIORITY ( 1 << 5 ) /* Priority 5, or 160 as only the top three bits are implemented. */
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/* Use the Cortex-M3 optimised task selection rather than the generic C code
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version. */
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#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
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/* We provide a definition of ucHeap so it can go in a special segment. */
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#define configAPPLICATION_ALLOCATED_HEAP 1
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/* We use static versions of functions (like xTaskCreateStatic) */
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#define configSUPPORT_STATIC_ALLOCATION 1
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/* For threading */
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#define configNUM_THREAD_LOCAL_STORAGE_POINTERS 1
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#undef configUSE_MUTEXES
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#define configUSE_MUTEXES 1
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#undef INCLUDE_vTaskDelete
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#define INCLUDE_vTaskDelete 1
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#endif /* FREERTOS_CONFIG_H */
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