keypad.h

来自「嵌入式linux系统下hi3510平台的osd开发源码」· C头文件 代码 · 共 49 行

/*
 * extdrv/peripheral/keypad/hi_keypad.h for Linux .
 *
 * History: 
 *      10-April-2006 create this file
 */ 
 
 
 
#ifndef __KEYPAD_INC__
#define __KEYPAD_INC__
	#define KEY_L_PORT        GPIO_0
	#define KEY_C_PORT        GPIO_1
	#define KEY_L_PORT_ADDR   GPIO_0_BASE
	#define KEY_C_PORT_ADDR   GPIO_1_BASE

	#define DEVICE_NAME       "keypad" 
	
	#define Irq_0             6
	#define Irq_1             7
	
	#define IRQ_GPIO0_4       0x10
	#define IRQ_GPIO0_5 	  0x20
	#define IRQ_GPIO0_6 	  0x40
	#define IRQ_GPIO0_7  	  0x80
	#define BUFSIZE   	  12
	#define margin  	  (HZ/100)*2
	

		
	typedef struct key_info_t 
	{ 
	  	int irq_source;
	  	unsigned char *keycode; 
	}key_info; 
	
	
	key_info key_info_tab[4] = 
	{
	       {IRQ_GPIO0_4,"ABC" }, 
	       {IRQ_GPIO0_5,"DEF" }, 
	       {IRQ_GPIO0_6,"GHI" }, 
	       {IRQ_GPIO0_7,"JKL" }, 
	}; 
	


#endif