os_api.h

来自「基于sam7x256平台做的CAN与网口互转接口」· C头文件 代码 · 共 35 行

//*------------------------------------------------------------------------------------------------
//* 文件名			   : os_api.h
//* 功能描述		   : os_api.c的头文件
//*------------------------------------------------------------------------------------------------

#ifndef	__os_api_h
#define	__os_api_h

//*------------------------------- 宏、常量、变量、类型及结构体定义 ---------------------------------
typedef	OS_EVENT*	HANDLER;

//* 创建一个新的信号量
#define		OSAPISemNew(uwCnt)				OSSemCreate(uwCnt)
//* 0等待时间查看指定的信号量是否可用，无论是否可用，函数都将立即返回，适合用于ISR
#define		OSAPISemWaitWith0Delay(hSem)	OSSemAccept(hSem)
//* 发送一个信号
#define		OSAPISemSend(hSem)				OSSemPost(hSem)
//* 退出阻塞资源
#define		OSAPIBlockExit(hBlock)			OSMutexPost(hBlock)

#define     OSAPIMboxNew(msg)               OSMboxCreate(msg)
//*--------------------------------------- 函数原型声明 -------------------------------------------
extern UBYTE OSAPISemWait(HANDLER hSem, UWORD uwWaitMS);
extern void OSAPISemFree(HANDLER hSem);
extern void OSAPISemFreeExt(HANDLER hSem);
extern HANDLER OSAPIBlockNew(UBYTE ubPIP);
extern UBYTE OSAPIBlockEnter(HANDLER hBlock, UWORD uwWaitMS);
extern UBYTE OSAPIQPost(HANDLER hQueue, void *pvMsg);
extern UBYTE OSAPIQReceive(HANDLER hQueue, PP ppMsg, UWORD uwTimeout);
extern UBYTE OSAPIMboxPend(HANDLER hMbox,UWORD uwWaitMS);
extern UBYTE OSAPIMboxPost(HANDLER hMbox,void *msg);



#endif