os_time.c

来自「8052小型操作系统, 用Keil C编译器, 能进行任务切换, 信号量管理.」· C语言 代码 · 共 40 行

/*
*********************************************************************************************************
*                                        uC/OS-16
*                                  The Real-Time Kernel
*                                    TIME MANAGEMENT
* File : OS_TIME.C
* By   : zhang xian
* Date : 2006-3-3
*********************************************************************************************************
*/

#include "Includes.h"

/*********************************************************************************************************/
void  OSTimeDly (INT8U Ticks) reentrant
{
     Assert( Ticks>0 );
     OS_ENTER_CRITICAL();
     OSTaskReady &= ~OSMapTbl[OSTaskID];
     OSDlyTicks[OSTaskID] = Ticks;
     OS_EXIT_CRITICAL();
     OS_Sched();
}
/*********************************************************************************************************/
#if EN_OS_TIME_DLY_RESUME > 0
void  OSTimeDlyResume (INT8U TaskID) reentrant
{
    Assert( TaskID<=OS_MAX_TASKS );
    OS_ENTER_CRITICAL();
    if( OSDlyTicks[TaskID]!=0 )
    {
        OSDlyTicks[TaskID] = 0;
        OSTaskReady |= OSMapTbl[TaskID];
        OS_Sched();
    }
    OS_EXIT_CRITICAL();
}
#endif
/*********************************************************************************************************/