led.h

基于ARM Winbond W90P710学习板的ＬＥＤ驱动的开发。

//防止该头文件重复包含，标识符号"LED_H_"
#ifndef LED_H_
#define LED_H_
//如果该头文件被C++文件所包含，则使用extern "C" {...}确保C++能正常使用
#ifdef __cplusplus
extern "C" {
#endif

#define GPIO_BA 			0xFFF83000 
#define REG_GPIO_CFG4		(GPIO_BA+0x0040)
#define REG_GPIO_DIR4		(GPIO_BA+0x0044)
#define REG_GPIO_DATAOUT4	(GPIO_BA+0x0048)

#define REG_READ_UINT32( _register_, _value_ )    ((_value_) = *((volatile unsigned int *)(_register_)))
#define REG_WRITE_UINT32( _register_, _value_ )   (*((volatile unsigned int *)(_register_)) = (_value_))

#define BIT0            0x00000001
#define BIT1            0x00000002
#define BIT2            0x00000004
#define BIT3            0x00000008
#define BIT4            0x00000010
#define BIT5            0x00000020
#define BIT6            0x00000040
#define BIT7            0x00000080

#define BIT7            0x00000080
#define BIT8            0x00000100
#define BIT9            0x00000200
#define BIT10           0x00000400
#define BIT11           0x00000800
#define BIT12           0x00001000
#define BIT13           0x00002000
#define BIT14           0x00004000
#define BIT15           0x00008000

int Led_Open(void);
int Led_Read(void);
int Led_Write(int number);
int Led_Close(void); 

//如果该头文件被C++文件所包含，则使用extern "C" {...}确保C++能正常使用
#ifdef __cplusplus
}
#endif

#endif /*LED_H_*/