macros.h

来自「ST7032i驱动应用实例(I2C接口)」· C头文件 代码 · 共 16 行

// Some macros used often

#ifndef __AVR_MACROS__
#define __AVR_MACROS__

// Set bit
#define sbi(port, bit) (port) |= (1 << (bit))
// Clear bit
#define cbi(port, bit) (port) &= ~(1 << (bit))

#define BIT(x)	(1<<(x))
#define NOP()	asm("nop")
#define WDR() 	asm("wdr")

#endif