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296 lines
12 KiB
C
296 lines
12 KiB
C
/*
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* FreeRTOS V202212.00
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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/* Standard includes. */
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#include <stdio.h>
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#include <time.h>
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/* Visual studio intrinsics used so the __debugbreak() function is available
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* should an assert get hit. */
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#include <intrin.h>
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#ifdef WIN32_LEAN_AND_MEAN
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#include <winsock2.h>
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#else
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#include <winsock.h>
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#endif /* WIN32_LEAN_AND_MEAN */
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#include <windows.h>
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/* Windows Crypt api for uxRand() */
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#include <wincrypt.h>
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/* FreeRTOS includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/*-----------------------------------------------------------*/
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void vAssertCalled( const char * pcFile,
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uint32_t ulLine )
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{
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volatile uint32_t ulBlockVariable = 0UL;
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volatile char * pcFileName = ( volatile char * ) pcFile;
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volatile uint32_t ulLineNumber = ulLine;
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( void ) pcFileName;
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( void ) ulLineNumber;
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printf( "vAssertCalled( %s, %u )\n", pcFile, ulLine );
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/* Setting ulBlockVariable to a non-zero value in the debugger will allow
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* this function to be exited. */
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taskENTER_CRITICAL();
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{
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while( ulBlockVariable == 0UL )
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{
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__debugbreak();
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}
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}
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taskEXIT_CRITICAL();
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}
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/*-----------------------------------------------------------*/
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UBaseType_t uxRand( void )
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{
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HCRYPTPROV hProv = 0;
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BOOL xResult = 0;
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UBaseType_t uxRandNum = 0U;
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xResult = CryptAcquireContextA( &hProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT );
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configASSERT( xResult );
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xResult = CryptGenRandom( hProv, sizeof( UBaseType_t ), ( uint8_t * ) ( &uxRandNum ) );
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configASSERT( xResult );
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CryptReleaseContext( hProv, 0 );
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return uxRandNum;
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}
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/*-----------------------------------------------------------*/
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#if defined( configUSE_STATIC_ALLOCATION ) && ( configUSE_STATIC_ALLOCATION == 1U )
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/* configUSE_STATIC_ALLOCATION is set to 1, so the application must provide an
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* implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
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* used by the Idle task. */
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void vApplicationGetIdleTaskMemory( StaticTask_t ** ppxIdleTaskTCBBuffer,
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StackType_t ** ppxIdleTaskStackBuffer,
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uint32_t * pulIdleTaskStackSize )
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{
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/* If the buffers to be provided to the Idle task are declared inside this
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* function then they must be declared static - otherwise they will be allocated on
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* the stack and so not exists after this function exits. */
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static StaticTask_t xIdleTaskTCB;
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static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
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/* Pass out a pointer to the StaticTask_t structure in which the Idle task's
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* state will be stored. */
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*ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
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/* Pass out the array that will be used as the Idle task's stack. */
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*ppxIdleTaskStackBuffer = uxIdleTaskStack;
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/* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
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* Note that, as the array is necessarily of type StackType_t,
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* configMINIMAL_STACK_SIZE is specified in words, not bytes. */
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*pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
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}
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/*-----------------------------------------------------------*/
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#if defined( configUSE_TIMERS ) && ( configUSE_TIMERS == 1U )
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/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
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* application must provide an implementation of vApplicationGetTimerTaskMemory()
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* to provide the memory that is used by the Timer service task. */
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void vApplicationGetTimerTaskMemory( StaticTask_t ** ppxTimerTaskTCBBuffer,
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StackType_t ** ppxTimerTaskStackBuffer,
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uint32_t * pulTimerTaskStackSize )
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{
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/* If the buffers to be provided to the Timer task are declared inside this
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* function then they must be declared static - otherwise they will be allocated on
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* the stack and so not exists after this function exits. */
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static StaticTask_t xTimerTaskTCB;
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static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
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/* Pass out a pointer to the StaticTask_t structure in which the Timer
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* task's state will be stored. */
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*ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
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/* Pass out the array that will be used as the Timer task's stack. */
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*ppxTimerTaskStackBuffer = uxTimerTaskStack;
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/* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
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* Note that, as the array is necessarily of type StackType_t,
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* configMINIMAL_STACK_SIZE is specified in words, not bytes. */
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*pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
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}
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#endif /* defined( configUSE_TIMERS ) && ( configUSE_TIMERS == 1U ) */
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#endif /* defined( configUSE_STATIC_ALLOCATION ) && ( configUSE_STATIC_ALLOCATION == 1U ) */
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/*-----------------------------------------------------------*/
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#if ( configUSE_MALLOC_FAILED_HOOK == 1U )
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void vApplicationMallocFailedHook( void )
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{
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/*
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* vApplicationMallocFailedHook() will only be called if
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* configUSE_MALLOC_FAILED_HOOK is set to 1 in FreeRTOSConfig.h. It is a hook
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* function that will get called if a call to pvPortMalloc() fails.
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* pvPortMalloc() is called internally by the kernel whenever a task, queue,
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* timer or semaphore is created. It is also called by various parts of the
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* demo application. If heap_1.c, heap_2.c or heap_4.c is being used, then the
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* size of the heap available to pvPortMalloc() is defined by
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* configTOTAL_HEAP_SIZE in FreeRTOSConfig.h, and the xPortGetFreeHeapSize()
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* API function can be used to query the size of free heap space that remains
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* (although it does not provide information on how the remaining heap might be
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* fragmented). See http://www.freertos.org/a00111.html for more
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* information.
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*/
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vAssertCalled( __FILE__, __LINE__ );
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}
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#endif /* configUSE_MALLOC_FAILED_HOOK == 1U */
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/*-----------------------------------------------------------*/
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#if ( configUSE_IDLE_HOOK == 1U )
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void vApplicationIdleHook( void )
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{
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/*
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* vApplicationIdleHook() will only be called if configUSE_IDLE_HOOK is set
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* to 1 in FreeRTOSConfig.h. It will be called on each iteration of the idle
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* task. It is essential that code added to this hook function never attempts
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* to block in any way (for example, call xQueueReceive() with a block time
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* specified, or call vTaskDelay()). If application tasks make use of the
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* vTaskDelete() API function to delete themselves then it is also important
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* that vApplicationIdleHook() is permitted to return to its calling function,
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* because it is the responsibility of the idle task to clean up memory
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* allocated by the kernel to any task that has since deleted itself.
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*/
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}
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#endif /* configUSE_IDLE_HOOK */
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/*-----------------------------------------------------------*/
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#if ( configUSE_TICK_HOOK == 1U )
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void vApplicationTickHook( void )
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{
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/*
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* This function will be called by each tick interrupt if
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* configUSE_TICK_HOOK is set to 1 in FreeRTOSConfig.h. User code can be
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* added here, but the tick hook is called from an interrupt context, so
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* code must not attempt to block, and only the interrupt safe FreeRTOS API
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* functions can be used (those that end in FromISR()).
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*/
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}
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#endif /* configUSE_TICK_HOOK == 1U */
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/*-----------------------------------------------------------*/
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#if ( configSUPPORT_STATIC_ALLOCATION == 1U )
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/*
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* configSUPPORT_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
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* application must provide an implementation of vApplicationGetTimerTaskMemory()
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* to provide the memory that is used by the Timer service task.
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*/
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void vApplicationGetTimerTaskMemory( StaticTask_t ** ppxTimerTaskTCBBuffer,
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StackType_t ** ppxTimerTaskStackBuffer,
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uint32_t * pulTimerTaskStackSize )
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{
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/*
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* If the buffers to be provided to the Timer task are declared inside this
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* function then they must be declared static - otherwise they will be allocated on
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* the stack and so not exists after this function exits.
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*/
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static StaticTask_t xTimerTaskTCB;
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static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
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/*
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* Pass out a pointer to the StaticTask_t structure in which the Timer
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* task's state will be stored.
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*/
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*ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
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/* Pass out the array that will be used as the Timer task's stack. */
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*ppxTimerTaskStackBuffer = uxTimerTaskStack;
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/*
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* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
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* Note that, as the array is necessarily of type StackType_t,
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* configMINIMAL_STACK_SIZE is specified in words, not bytes.
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*/
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*pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
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}
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#endif /* configSUPPORT_STATIC_ALLOCATION == 1U */
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/*-----------------------------------------------------------*/
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#if ( configSUPPORT_STATIC_ALLOCATION == 1U )
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/*
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* configSUPPORT_STATIC_ALLOCATION is set to 1, so the application must provide an
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* implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
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* used by the Idle task.
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*/
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void vApplicationGetIdleTaskMemory( StaticTask_t ** ppxIdleTaskTCBBuffer,
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StackType_t ** ppxIdleTaskStackBuffer,
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uint32_t * pulIdleTaskStackSize )
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{
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/*
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* If the buffers to be provided to the Idle task are declared inside this
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* function then they must be declared static - otherwise they will be allocated on
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* the stack and so not exists after this function exits.
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*/
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static StaticTask_t xIdleTaskTCB;
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static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
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/*
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* Pass out a pointer to the StaticTask_t structure in which the Idle task's
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* state will be stored.
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*/
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*ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
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/* Pass out the array that will be used as the Idle task's stack. */
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*ppxIdleTaskStackBuffer = uxIdleTaskStack;
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/*
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* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
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* Note that, as the array is necessarily of type StackType_t,
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* configMINIMAL_STACK_SIZE is specified in words, not bytes.
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*/
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*pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
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}
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#endif /* configSUPPORT_STATIC_ALLOCATION == 1U */
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/*-----------------------------------------------------------*/
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