key.h

凌阳单片机的录音,方音程序,用c语言边的,可用性强.

#ifndef __KEY_H__
#define __KEY_H__
#include "DvrKEY.h"

extern void KeyScan_Init();
extern unsigned int KeyScan_GetKey(unsigned int *KeyType);
extern unsigned int KeyScan_CheckRepeat();
extern void KeyScan_ServiceLoop();

//for ui_KeyID
#define C_Null						0x00
#define C_Record	1 << 2
#define C_Prev		1 << 1
#define C_Next		1 << 0
#define C_StopR		C_Record
#define C_StopP		C_Next
#define C_VolDn		1 << 4
#define C_VolUp		1 << 5

//for ui_KeyScanState
#define C_KeyStateFirst				0x00
#define C_KeyStateDebounce			0x01
#define C_KeyStateRepeat			0x02
#define C_KeyStateReleaseDebounce	0x03
#define C_KeyStateAfterLKey			0x04

//for ui_KeyState
#define C_NullKey					0x00
#define C_SKeyState					0x01
#define C_LKeyState					0x02
#define C_SReleaseKeyState			0x03
#define C_LReleaseKeyState			0x04

//for ui_KeyCount
#define C_DebounceLimit		25
#define C_LKeyLimit			1000
#define C_FirstRepeatTim	400
#define C_RepeatTim			200

#endif