I am using a generic STM32F103 board, with a STM32F103RBT6 chip.
I have set the options in the config file at the bottom of this post.
I have a problem with malloc.
With Roger's core and the FreeRTOS821 library, I used to put in the file heap_1.c in the utility directory. This is the minimal implementation, including a malloc but no free.
In version 9 for STM32Duino, there is only one line about the heap options, which is :
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/* Begin custom definitions for STM32 */
/* Define memory allocation implementations to use:
* 1 to 5 for heap_[1-5].c
* -1 for heap_useNewlib.c
* Default -1 see heap.c
*/
/*#define configMEMMANG_HEAP_NB 3*/
/* End custom definitions for STM32 */
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In file included from D:\STM32DuinoPortable\SketchesSTM32Duino\libraries\STM32duino_FreeRTOS\src\heap.c:21:
d:\stm32duinoportable\sketchesstm32duino\libraries\stm32duino_freertos\portable\memmang\heap_1.c:104:17: error: variably modified 'ucHeap' at file scope
104 | static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
| ^~~~~~
The config file is the following:
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/*
FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
All rights reserved
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License (version 2) as published by the
Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.
***************************************************************************
>>! NOTE: The modification to the GPL is included to allow you to !<<
>>! distribute a combined work that includes FreeRTOS without being !<<
>>! obliged to provide the source code for proprietary components !<<
>>! outside of the FreeRTOS kernel. !<<
***************************************************************************
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. Full license text is available on the following
link: http://www.freertos.org/a00114.html
***************************************************************************
* *
* FreeRTOS provides completely free yet professionally developed, *
* robust, strictly quality controlled, supported, and cross *
* platform software that is more than just the market leader, it *
* is the industry's de facto standard. *
* *
* Help yourself get started quickly while simultaneously helping *
* to support the FreeRTOS project by purchasing a FreeRTOS *
* tutorial book, reference manual, or both: *
* http://www.FreeRTOS.org/Documentation *
* *
***************************************************************************
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
the FAQ page "My application does not run, what could be wrong?". Have you
defined configASSERT()?
http://www.FreeRTOS.org/support - In return for receiving this top quality
embedded software for free we request you assist our global community by
participating in the support forum.
http://www.FreeRTOS.org/training - Investing in training allows your team to
be as productive as possible as early as possible. Now you can receive
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
Ltd, and the world's leading authority on the world's leading RTOS.
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Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
1 tab == 4 spaces!
*/
#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 http://www.freertos.org/a00110.html.
*----------------------------------------------------------*/
/* Begin custom definitions for STM32 */
/* Define memory allocation implementations to use:
* 1 to 5 for heap_[1-5].c
* -1 for heap_useNewlib.c
* Default -1 see heap.c
*/
/*#define configMEMMANG_HEAP_NB 3*/
/* End custom definitions for STM32 */
#define /*#define configMEMMANG_HEAP_NB 3*/
1 // !!!!!!!!!!!!!
/* Ensure stdint is only used by the compiler, and not the assembler. */
#if defined(__ICCARM__) || defined(__CC_ARM) || defined(__GNUC__)
#include <stdint.h>
extern uint32_t SystemCoreClock;
#endif
extern char _end; /* Defined in the linker script */
extern char _estack; /* Defined in the linker script */
extern char _Min_Stack_Size; /* Defined in the linker script */
#define configUSE_PREEMPTION 0
#define configUSE_IDLE_HOOK 0
#define configUSE_TICK_HOOK 0
#define configCPU_CLOCK_HZ (SystemCoreClock)
#define configTICK_RATE_HZ ((TickType_t)1000)
#define configMAX_PRIORITIES (7)
/*
* _Min_Stack_Size is often set to 0x400 in the linker script
* Use it divided by 8 to set minmimal stack size of a task to 128 by default.
* End user will have to properly configure those value depending to their needs.
*/
#define configMINIMAL_STACK_SIZE ((uint16_t)((uint32_t)&_Min_Stack_Size/8))
#define configTOTAL_HEAP_SIZE ((size_t)(&_estack - _Min_Stack_Size - &_end))
#define configMAX_TASK_NAME_LEN (16)
#define configUSE_TRACE_FACILITY 1
#define configUSE_16_BIT_TICKS 0
#define configIDLE_SHOULD_YIELD 1
#define configUSE_MUTEXES 1
#define configQUEUE_REGISTRY_SIZE 8
#define configCHECK_FOR_STACK_OVERFLOW 0
#define configUSE_RECURSIVE_MUTEXES 1
#define configUSE_MALLOC_FAILED_HOOK 0
#define configUSE_APPLICATION_TASK_TAG 0
#define configUSE_COUNTING_SEMAPHORES 1
#define configGENERATE_RUN_TIME_STATS 0
/*
* If configUSE_NEWLIB_REENTRANT is set to 1 then a newlib reent structure
* will be allocated for each created task.
*
* Note Newlib support has been included by popular demand, but is not used
* by the FreeRTOS maintainers themselves. FreeRTOS is not responsible for
* resulting newlib operation. User must be familiar with newlib and must
* provide system-wide implementations of the necessary stubs.
* Be warned that (at the time of writing) the current newlib design implements
* a system-wide malloc() that must be provided with locks.
*/
#define configUSE_NEWLIB_REENTRANT 0
/* Co-routine definitions. */
#define configUSE_CO_ROUTINES 0
#define configMAX_CO_ROUTINE_PRIORITIES (2)
/* Software timer definitions. */
#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
#define INCLUDE_xTaskGetSchedulerState 1
#define INCLUDE_uxTaskGetStackHighWaterMark 1
#define INCLUDE_xTaskGetIdleTaskHandle 1
/* Cortex-M specific definitions. */
#ifdef __NVIC_PRIO_BITS
/* __BVIC_PRIO_BITS will be specified when CMSIS is being used. */
#define configPRIO_BITS __NVIC_PRIO_BITS
#else
#define configPRIO_BITS 4 /* 15 priority levels */
#endif
/* 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
/* IMPORTANT: This define MUST be commented when used with STM32Cube firmware,
to prevent overwriting SysTick_Handler defined within STM32Cube HAL */
/* #define xPortSysTickHandler SysTick_Handler */
#endif /* FREERTOS_CONFIG_H */