/* * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include <string.h> #include "FreeRTOS.h" #include "task.h" #include "esp_system.h" #include "esp_memory_utils.h" #include "sdkconfig.h" /* ----------------------------------------- Port Implementations (Common) -------------------------------------------- * - Common FreeRTOS port function implementations * - These functions are common to all FreeRTOS ports (i.e., on all architectures and all FreeRTOS implementations). * ------------------------------------------------------------------------------------------------------------------ */ // ------------- FreeRTOS Static Allocation ---------------- /* These function are required by FreeRTOS when configSUPPORT_STATIC_ALLOCATION is enabled and is used by FreeRTOS to obtain memory for its IDLE/Timer tasks. We simply allocate the IDLE/Timer tasks memory from the FreeRTOS heap. */ #if ( configSUPPORT_STATIC_ALLOCATION == 1 ) void vApplicationGetIdleTaskMemory(StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint32_t *pulIdleTaskStackSize ) { StaticTask_t *pxTCBBufferTemp; StackType_t *pxStackBufferTemp; /* Allocate TCB and stack buffer from the FreeRTOS heap * * If the stack grows down then allocate the stack then the TCB so the stack * does not grow into the TCB. Likewise if the stack grows up then allocate * the TCB then the stack. */ #if (portSTACK_GROWTH > 0) { pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t)); pxStackBufferTemp = pvPortMalloc(configMINIMAL_STACK_SIZE); } #else /* portSTACK_GROWTH */ { pxStackBufferTemp = pvPortMalloc(configMINIMAL_STACK_SIZE); pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t)); } #endif /* portSTACK_GROWTH */ assert(pxTCBBufferTemp != NULL); assert(pxStackBufferTemp != NULL); //Write back pointers *ppxIdleTaskTCBBuffer = pxTCBBufferTemp; *ppxIdleTaskStackBuffer = pxStackBufferTemp; *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE; } void vApplicationGetTimerTaskMemory(StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint32_t *pulTimerTaskStackSize ) { StaticTask_t *pxTCBBufferTemp; StackType_t *pxStackBufferTemp; /* Allocate TCB and stack buffer from the FreeRTOS heap * * If the stack grows down then allocate the stack then the TCB so the stack * does not grow into the TCB. Likewise if the stack grows up then allocate * the TCB then the stack. */ #if (portSTACK_GROWTH > 0) { pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t)); pxStackBufferTemp = pvPortMalloc(configTIMER_TASK_STACK_DEPTH); } #else /* portSTACK_GROWTH */ { pxStackBufferTemp = pvPortMalloc(configTIMER_TASK_STACK_DEPTH); pxTCBBufferTemp = pvPortMalloc(sizeof(StaticTask_t)); } #endif /* portSTACK_GROWTH */ assert(pxTCBBufferTemp != NULL); assert(pxStackBufferTemp != NULL); //Write back pointers *ppxTimerTaskTCBBuffer = pxTCBBufferTemp; *ppxTimerTaskStackBuffer = pxStackBufferTemp; *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH; } #endif // configSUPPORT_STATIC_ALLOCATION == 1