sanoslib.h

来自「三星 S3C2410 开发板 LCD测试配套程序」· C头文件 代码 · 共 20 行

// file: SanOSlib.h
// by  : Sanicle
// ver : 2005.03.16
// from: http://3mn.net

// Macros
#define BIT_SET(bPort,bBitMask)			(bPort |= bBitMask)
#define BIT_CLR(bPort,bBitMask)			(bPort &= ~bBitMask)
#define BEGIN_CRITICAL()				(cpusr = SanSaveSR())    // Disable interrupts
#define END_CRITICAL()					(SanRestoreSR(cpusr))    // Restore interrupts

// Typedefines
typedef unsigned int CPUSR;

// Functions in SanOSlib.s (except __functions)
CPUSR  	SanSaveSR(void);
void  	SanRestoreSR(CPUSR cpusr);

// SanOS vars
static	CPUSR	cpusr;