166 lines
6.1 KiB
C
166 lines
6.1 KiB
C
/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2017 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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* http://www.FreeRTOS.org
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* http://aws.amazon.com/freertos
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*
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* 1 tab == 4 spaces!
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*/
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/******************************************************************************
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*
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* This demo is described on the following web page:
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* TODO: This link describes the FAT version of this demo.
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* http://www.freertos.org/FreeRTOS-Plus/Fail_Safe_File_System/Fail_Safe_Embedded_File_System_demo.shtml
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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 <stdint.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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#include "queue.h"
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#include "semphr.h"
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/* Priorities at which the tasks are created. */
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#define mainUDP_CLI_TASK_PRIORITY ( tskIDLE_PRIORITY )
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/*-----------------------------------------------------------*/
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/*
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* Register the generic commands that can be used with FreeRTOS+CLI.
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*/
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extern void vRegisterSampleCLICommands( void );
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/*
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* Register the file system commands that can be used with FreeRTOS+CLI.
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*/
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extern void vRegisterFileSystemCLICommands( void );
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/*
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* The task that implements the UDP command interpreter using FreeRTOS+CLI.
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*/
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extern void vUDPCommandInterpreterTask( void *pvParameters );
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/*
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* Creates and verifies different files on the volume, demonstrating the use of
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* various different API functions.
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*/
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extern void vCreateAndVerifySampleFiles( void );
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/*-----------------------------------------------------------*/
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/* See http://www.freertos.org/FreeRTOS-Plus/Fail_Safe_File_System/Fail_Safe_Embedded_File_System_demo.shtml
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for instructions. */
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int main( void )
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{
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const uint32_t ulLongTime_ms = 250UL;
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/* Initialise the drive and file system, then create a few example
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files. The output from this function just goes to the stdout window,
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allowing the output to be viewed when the UDP command console is not
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connected. */
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vCreateAndVerifySampleFiles();
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/* Register generic commands with the FreeRTOS+CLI command interpreter. */
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vRegisterSampleCLICommands();
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/* Register file system related commands with the FreeRTOS+CLI command
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interpreter. */
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vRegisterFileSystemCLICommands();
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/* Create the task that handles the CLI on a UDP port. The port number
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is set using the configUDP_CLI_PORT_NUMBER setting in FreeRTOSConfig.h. */
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xTaskCreate( vUDPCommandInterpreterTask, /* The function that implements the command interpreter IO handling. */
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"CLI", /* The name of the task - just to assist debugging. */
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configMINIMAL_STACK_SIZE, NULL, /* The size of the stack allocated to the task. */
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mainUDP_CLI_TASK_PRIORITY, /* The priority at which the task will run. */
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NULL ); /* A handle to the task is not required, so NULL is passed. */
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/* Start the RTOS scheduler. */
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vTaskStartScheduler();
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/* If all is well, the scheduler will now be running, and the following
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line will never be reached. If the following line does execute, then
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there was insufficient FreeRTOS heap memory available for the idle and/or
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timer tasks to be created. See the memory management section on the
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FreeRTOS web site for more details (this is standard text that is not
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really applicable to the Win32 simulator port). */
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for( ;; )
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{
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Sleep( ulLongTime_ms );
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}
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}
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/*-----------------------------------------------------------*/
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void vApplicationIdleHook( void )
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{
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const unsigned long ulMSToSleep = 5;
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/* This function is called on each cycle of the idle task if
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configUSE_IDLE_HOOK is set to 1 in FreeRTOSConfig.h. Sleep to reduce CPU
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load. */
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Sleep( ulMSToSleep );
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}
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/*-----------------------------------------------------------*/
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void vAssertCalled( const char *pcFile, unsigned long ulLine )
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{
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volatile uint32_t ulSetToNonZeroToExitLoop = 0;
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printf( "ASSERT FAILED: File %s, line %u\r\n", pcFile, ulLine );
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taskENTER_CRITICAL();
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{
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while( ulSetToNonZeroToExitLoop == 0 )
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{
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/* Do not leave the assert function unless the debugger is used to
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set ulSetToNonZeroToExitLoop to a non-zero value. */
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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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void vApplicationMallocFailedHook( void )
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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 are 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
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be fragmented). */
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taskDISABLE_INTERRUPTS();
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for( ;; );
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}
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