瑞萨单片机USB PCDC示例代码

/* * FreeRTOS Kernel V10.0.0 * Copyright (C) 2017 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. If you wish to use our Amazon * FreeRTOS name, please do so in a fair use way that does not cause confusion. * * 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. * * http://www.FreeRTOS.org * http://aws.amazon.com/freertos * * 1 tab == 4 spaces! */ /* Standard includes. */ #include <stdlib.h> #include <string.h> /* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining all the API functions to use the MPU wrappers. That should only be done when task.h is included from an application file. */ #define MPU_WRAPPERS_INCLUDED_FROM_API_FILE /* FreeRTOS includes. */ #include "FreeRTOS.h" #include "task.h" #include "timers.h" #include "stack_macros.h" /* Lint e961 and e750 are suppressed as a MISRA exception justified because the MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined for the header files above, but not in this file, in order to generate the correct privileged Vs unprivileged linkage and placement. */ #undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750. */ /* Set configUSE_STATS_FORMATTING_FUNCTIONS to 2 to include the stats formatting functions but without including stdio.h here. */ #if ( configUSE_STATS_FORMATTING_FUNCTIONS == 1 ) /* At the bottom of this file are two optional functions that can be used to generate human readable text from the raw data generated by the uxTaskGetSystemState() function. Note the formatting functions are provided for convenience only, and are NOT considered part of the kernel. */ #include <stdio.h> #endif /* configUSE_STATS_FORMATTING_FUNCTIONS == 1 ) */ #if( configUSE_PREEMPTION == 0 ) /* If the cooperative scheduler is being used then a yield should not be performed just because a higher priority task has been woken. */ #define taskYIELD_IF_USING_PREEMPTION() #else #define taskYIELD_IF_USING_PREEMPTION() portYIELD_WITHIN_API() #endif /* Values that can be assigned to the ucNotifyState member of the TCB. */ #define taskNOT_WAITING_NOTIFICATION ( ( uint8_t ) 0 ) #define taskWAITING_NOTIFICATION ( ( uint8_t ) 1 ) #define taskNOTIFICATION_RECEIVED ( ( uint8_t ) 2 ) /* * The value used to fill the stack of a task when the task is created. This * is used purely for checking the high water mark for tasks. */ #define tskSTACK_FILL_BYTE ( 0xa5U ) /* Sometimes the FreeRTOSConfig.h settings only allow a task to be created using dynamically allocated RAM, in which case when any task is deleted it is known that both the task's stack and TCB need to be freed. Sometimes the FreeRTOSConfig.h settings only allow a task to be created using statically allocated RAM, in which case when any task is deleted it is known that neither the task's stack or TCB should be freed. Sometimes the FreeRTOSConfig.h settings allow a task to be created using either statically or dynamically allocated RAM, in which case a member of the TCB is used to record whether the stack and/or TCB were allocated statically or dynamically, so when a task is deleted the RAM that was allocated dynamically is freed again and no attempt is made to free the RAM that was allocated statically. tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE is only true if it is possible for a task to be created using either statically or dynamically allocated RAM. Note that if portUSING_MPU_WRAPPERS is 1 then a protected task can be created with a statically allocated stack and a dynamically allocated TCB. !!!NOTE!!! If the definition of tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE is changed then the definition of StaticTask_t must also be updated. */ #define tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE ( ( configSUPPORT_STATIC_ALLOCATION == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) #define tskDYNAMICALLY_ALLOCATED_STACK_AND_TCB ( ( uint8_t ) 0 ) #define tskSTATICALLY_ALLOCATED_STACK_ONLY ( ( uint8_t ) 1 ) #define tskSTATICALLY_ALLOCATED_STACK_AND_TCB ( ( uint8_t ) 2 ) /* If any of the following are set then task stacks are filled with a known value so the high water mark can be determined. If none of the following are set then don't fill the stack so there is no unnecessary dependency on memset. */ #if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) || ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) ) #define tskSET_NEW_STACKS_TO_KNOWN_VALUE 1 #else #define tskSET_NEW_STACKS_TO_KNOWN_VALUE 0 #endif /* * Macros used by vListTask to indicate which state a task is in. */ #define tskBLOCKED_CHAR ( 'B' ) #define tskREADY_CHAR ( 'R' ) #define tskDELETED_CHAR ( 'D' ) #define tskSUSPENDED_CHAR ( 'S' ) /* * Some kernel aware debuggers require the data the debugger needs access to be * global, rather than file scope. */ #ifdef portREMOVE_STATIC_QUALIFIER #define static #endif /* The name allocated to the Idle task. This can be overridden by defining configIDLE_TASK_NAME in FreeRTOSConfig.h. */ #ifndef configIDLE_TASK_NAME #define configIDLE_TASK_NAME "IDLE" #endif #if ( configUSE_PORT_OPTIMISED_TASK_SELECTION == 0 ) /* If configUSE_PORT_OPTIMISED_TASK_SELECTION is 0 then task selection is performed in a generic way that is not optimised to any particular microcontroller architecture. */ /* uxTopReadyPriority holds the priority of the highest priority ready state task. */ #define taskRECORD_READY_PRIORITY( uxPriority ) \ { \ if( ( uxPriority ) > uxTopReadyPriority ) \ { \ uxTopReadyPriority = ( uxPriority ); \ } \ } /* taskRECORD_READY_PRIORITY */ /*-----------------------------------------------------------*/ #define taskSELECT_HIGHEST_PRIORITY_TASK() \ { \ UBaseType_t uxTopPriority = uxTopReadyPriority; \ \ /* Find the highest priority queue that contains ready tasks. */ \ while( listLIST_IS_EMPTY( &( pxReadyTasksLists[ uxTopPriority ] ) ) ) \ { \ configASSERT( uxTopPriority ); \ --uxTopPriority; \ } \ \ /* listGET_OWNER_OF_NEXT_ENTRY indexes through the list, so the tasks of \ the same priority get an equal share of the processor time. */ \ listGET_OWNER_OF_NEXT_ENTRY( pxCurrentTCB, &( pxReadyTasksLists[ uxTopPriority ] ) ); \ uxTopReadyPriority = uxTopPriority; \ } /* taskSELECT_HIGHEST_PRIORITY_TASK */ /*-----------------------------------------------------------*/ /* Define away taskRESET_READY_PRIORITY() and portRESET_READY_PRIORITY() as they are only required when a port optimised method of task select