51
鍗曠墖鏈哄疄鐜扮殑
485
閫氳绋嬪簭
#ifndef
__485_C__
#define
__485_C__
#include
<reg51.h>
#include
<string.h>
#define
unsigned
char
uchar
#define
unsigned
int
uint
/*
閫氫俊鍛戒护
*/
#define
__ACTIVE_
0x01
//
涓绘満璇㈤棶浠庢満鏄惁瀛樺湪
#define
__GETDATA_
0x02
//
涓绘満鍙戦�佽璁惧璇锋眰
#define
__OK_
0x03
//
浠庢満搴旂瓟
#define
__STATUS_
0x04
//
浠庢満鍙戦�佽澶囩姸鎬佷俊鎭?/p>
#define
__MAXSIZE
0x08
//
缂撳啿鍖洪暱搴?/p>
#define
__ERRLEN
12
//
浠讳綍閫氫俊甯ч暱搴﹁秴杩?/p>
12
鍒欒〃绀哄嚭閿?/p>
uchar
dbuf[__MAXSIZE];
//
璇ョ紦鍐插尯鐢ㄤ簬淇濆瓨璁惧鐘舵�佷俊鎭?/p>
uchar
dev;
//
璇ュ瓧鑺傜敤浜庝繚瀛樻湰鏈鸿澶囧彿
sbit
M_DE
=
P1^0;
//
椹卞姩鍣ㄤ娇鑳斤紝
1
鏈夋晥
sbit
M_RE
=
P1^1;
//
鎺ユ敹鍣ㄤ娇鑳斤紝
0
鏈夋晥