sys_hw/keypad.h

#ifndef __keypad_h__
#define __keypad_h__

#include "stdint.h"

#define MAX_KEY_NUM      (12u)

#define KEY_NONE         ( 0u)          //空闲状æ??
#define KEY_DIG0         (10u)          //数字é”?0
#define KEY_DIG1         ( 1u)          //数字é”?1
#define KEY_DIG2         ( 2u)          //数字é”?2
#define KEY_DIG3         ( 3u)          //数字é”?3
#define KEY_DIG4         ( 4u)          //数字é”?4
#define KEY_DIG5         ( 5u)          //数字é”?5
#define KEY_DIG6         ( 6u)          //数字é”?6
#define KEY_DIG7         ( 7u)          //数字é”?7
#define KEY_DIG8         ( 8u)          //数字é”?8
#define KEY_DIG9         ( 9u)          //数字é”?9
#define KEY_ENTER        (12u)          //确认é”?
#define KEY_CANCEL       (11u)          //取消é”?

extern uint8_t keypad_init(void);
extern uint8_t keypad_get_key(void);
extern void    keypad_scan(void);
extern void    keypad_cb_on_preesed(uint8_t key_val);

#endif