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Table of Contents
FreeRTOS
Install
current
cd /opt wget https://github.com/FreeRTOS/FreeRTOS/releases/download/202212.01/FreeRTOSv202212.01.zip unzip FreeRTOSv202212.01.zip
LTS
cd /opt wget https://github.com/FreeRTOS/FreeRTOS-LTS/releases/download/202210.01-LTS/FreeRTOSv202210.01-LTS.zip unzip FreeRTOSv202210.01-LTS.zip
git
cd /opt git clone --recurse-submodules https://github.com/FreeRTOS/FreeRTOS
Configuration
Configuration for FreeRTOS on STM32F302R8 using timer tick instead of SysTick for multitasking.
/* * FreeRTOS V202212.01 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * https://www.FreeRTOS.org * https://github.com/FreeRTOS * */ #ifndef FREERTOS_CONFIG_H #define FREERTOS_CONFIG_H /*----------------------------------------------------------- * Application specific definitions. * * These definitions should be adjusted for your particular hardware and * application requirements. * * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE. * * See https://www.freertos.org/a00110.html *----------------------------------------------------------*/ /* Pre-emptive, else co-operative multi-tasking */ #define configUSE_PREEMPTION 1 /* Idle task: void vApplicationIdleHook(void); */ #define configUSE_IDLE_HOOK 0 /* Tick task: void vApplicationTickHook(void); */ #define configUSE_TICK_HOOK 0 /* Core frequency for SysTick */ #define configCPU_CLOCK_HZ (72000000) /* SysTick/Timer tick frequency */ #define configTICK_RATE_HZ ((TickType_t)(1000)) /* Highest priority (1..32) */ #define configMAX_PRIORITIES (4) /* 0..3 */ /* Idle task stack size */ #define configMINIMAL_STACK_SIZE ((unsigned short)(128)) /* Memory heap size */ #define configTOTAL_HEAP_SIZE ((size_t)(12 * 1024)) /* Task name length (1=DISABLE) */ #define configMAX_TASK_NAME_LEN (3) /* Enable trace */ #define configUSE_TRACE_FACILITY 0 /* Tick counter size */ #define configUSE_16_BIT_TICKS 0 /* 0=32-bit */ /* Idle task yields to other tasks at idle priority */ #define configIDLE_SHOULD_YIELD 1 /* Enable mutexes */ #define configUSE_MUTEXES 1 /* Queue registry for debugging */ #define configQUEUE_REGISTRY_SIZE 8 /* Overflow task: void vApplicationStackOverflowHook(TaskHandle_t xTask, signed char *pcTaskName); */ #define configCHECK_FOR_STACK_OVERFLOW 0 /* 0..2 */ /* Enable recursive mutexes */ #define configUSE_RECURSIVE_MUTEXES 1 /* OOM task: void vApplicationMallocFailedHook(void); */ #define configUSE_MALLOC_FAILED_HOOK 0 /* Enable task tagging */ #define configUSE_APPLICATION_TASK_TAG 0 /* Enable semaphores */ #define configUSE_COUNTING_SEMAPHORES 1 /* See: https://www.freertos.org/rtos-run-time-stats.html */ #define configGENERATE_RUN_TIME_STATS 0 /* * Software timer definitions. * * See: https://www.freertos.org/RTOS-software-timer.html */ #define configUSE_TIMERS 1 #define configTIMER_TASK_PRIORITY (2) #define configTIMER_QUEUE_LENGTH 10 #define configTIMER_TASK_STACK_DEPTH (configMINIMAL_STACK_SIZE * 2) /* * Set the following definitions to 1 to include the API function, or zero to * exclude the API function. */ #define INCLUDE_vTaskPrioritySet 1 #define INCLUDE_uxTaskPriorityGet 1 #define INCLUDE_vTaskDelete 1 #define INCLUDE_vTaskCleanUpResources 1 #define INCLUDE_vTaskSuspend 1 #define INCLUDE_vTaskDelayUntil 1 #define INCLUDE_vTaskDelay 1 /* * Cortex-M4 specific definitions. */ #define configPRIO_BITS 4 /* 15 priority levels */ /* * The lowest interrupt priority that can be used in a call to a "set priority" * function. */ #define configLIBRARY_LOWEST_INTERRUPT_PRIORITY 0xf /* * The highest interrupt priority that can be used by any interrupt service * routine that makes calls to interrupt safe FreeRTOS API functions. DO NOT * CALL * INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A * HIGHER PRIORITY THAN THIS! (higher priorities are lower numeric values. */ #define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 5 /* * Interrupt priorities used by the kernel port layer itself. These are generic * to all Cortex-M ports, and do not rely on any particular library functions. */ #define configKERNEL_INTERRUPT_PRIORITY (configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS)) /* * !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!! * * See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */ #define configMAX_SYSCALL_INTERRUPT_PRIORITY (configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS)) /* * Normal assert() semantics without relying on the provision of an assert.h * header file. */ #define configASSERT(x) if ((x) == 0) { taskDISABLE_INTERRUPTS(); for (;;); } /* * Definitions that map the FreeRTOS port interrupt handlers to their CMSIS * standard names. */ #define vPortSVCHandler SVC_Handler #define xPortPendSVHandler PendSV_Handler #if 0 /* Tick setup task: void vPortSetupTimerInterrupt(void); */ #define xPortSysTickHandler SysTick_Handler #endif #endif /* !FREERTOS_CONFIG_H */