sema.h

来自「M16C单片机功率控制源码」· C头文件 代码 · 共 22 行

#ifndef __SEMA_H__
#define __SEMA_H__

#define sema_t unsigned char

#define SEMA_SET	1
#define SEMA_UNSET	0

#define INT1_SEM	2

#define STOP	4
#define WAIT	5
#define RESERVED	6

extern sema_t semaphores[7];

#define sema_status(sem)	semaphores[sem]
#define sema_set(sem)		semaphores[sem] = SEMA_SET
#define sema_unset(sem)		semaphores[sem] = SEMA_UNSET

#endif // __SEMA_H__