嵌入式操作系统-实验5-实验报告

信息学部软件学院嵌入式操作系统ADDINCNKISM.UserStyle北京工业大学2022-2023学年第一学期软件学院课程名称嵌入式操作系统报告性质实验五任课教师严海蓉课程性质专业选修课学分2.00学时32

实验5题目：任务延时函数OS_TimeDly()。要求：OS_TimeDly()：任务延时，进行任务调度。代码：OS_TimeDly.cpp/*=========================*任务延时函数OS_TimeDly()=========================*/#include<iostream>#include<Tasklist.h>#include<OS.h>/***@brief任务延时*@paramticks延时时间*@paramCurrentTCB当前任务*@paramOSTCBFreeList空任务表链*@paramOSTCBWaitList任务等待链*@paramOSTCBReadyList任务就绪链*@paramOSTCBPrioTb1任务就绪组*/voidOS_TimeDly(intticks,Node*CurrentTCB,Node**OSTCBFreeList,Node**OSTCBWaitList,Node**OSTCBReadyList,Node*OSTCBPrioTb1[]){if(ticks>0){/*判断延时时间是否大于0*/CurrentTCB->TimeDly=ticks;/*进行任务调度，查找任务就绪表里面最高优先级的任务进行任务切换、将任务就绪表对应的任务优先级位置0*/OS_Suspend(OSTCBFreeList,OSTCBWaitList,OSTCBReadyList,CurrentTCB,OSTCBPrioTb1);}}main.cpp#include<stdio.h>#include<exception>#include<iostream>#include"Tasklist.h"#include<Task.h>#include<OS.h>#include<mutex>#include<OSRdyTbl.h>#include<OS_Flag.h>#include<OS_TimeDly.h>usingnamespacestd;Node*OSTCBFreeList=Creat_Tasklist(MAX_TASKLIST_NODE_NUM);Node*OSTCBReadyList=NULL;Node*OSTCBWaitList=NULL;Node*OSTCBPrioTb1[MAX_TASKLIST_NODE_NUM]={NULL};Node*highestpriorNode=NULL;intNode_Insert_Location[MAX_TASKLIST_NODE_NUM]={0};intmain(intargc,char*argv[]){/*===============================================*创建事件标志，暂停任务，直到收到事件标志或发生超时===============================================*/CreatTask(&OSTCBFreeList,&OSTCBReadyList,OSTCBPrioTb1,7);CreatTask(&OSTCBFreeList,&OSTCBReadyList,OSTCBPrioTb1,5);Findhighestprior(&highestpriorNode,OSTCBPrioTb1);//SuspendTask(&OSTCBFreeList,&OSTCBReadyList,OSTCBPrioTb1,highestpriorNode->priority);setCurrentTCB(highestpriorNode);CreatTask(&OSTCBFreeList,&OSTCBReadyList,OSTCBPrioTb1,6);Node*CurrentTCB=getCurrentTCB();DeletelistNodebyAdd(&OSTCBReadyList,CurrentTCB);SuspendTaskPriority(CurrentTCB->priority);OSTCBPrioTb1[CurrentTCB->priority]=NULL;OS_TimeDly(20,CurrentTCB,&OSTCBFreeList,&OSTCBWaitList,&OSTCBRead