#include?
#include?
#define?TR?1
#define?uchar?unsigned?char
#define?uint??unsigned?int

//uchar?idata?buf[10]={0x000x010x020x030x040x050x060x070x080x09};
uchar?data1data2;
uchar?pf;
uchar?flagflag1;

sbit?key1=P1^0;
sbit?key2=P2^0;
/************延時程序************/
void?delay（uchar?k）
????{
????????uchar?j;
????????while（（k--）!=0）???????????
????????	{
????????????????for（j=0;j<125;j++）
????????????????	{;}
????????	}
????}


void?init（void）
{
????TMOD=0x20;?????????????????
????TH1=0xe8;
????TL1=0xe8;
????PCON=0x00;???????????????//本次調節發現485通信而言，波特率對傳輸信息有很
????TR1=1;???????????????????//重要的作用，因為波特率低的話，不是傳輸速度慢，
????SCON=0x90;???????????????//而是無法傳輸數據，這是調試時發現的致命錯誤。
}????????????????????????????//還有在485通信中無論是單機通信，還是多機通信，
?//串行通信的方式必須是-----方式2或者是方式3，不能是方式0或者方式1，這一點特別的重要。
??????????????????????????????
void?send（void）
{?????
????????key2=1;
???????SBUF=0x01;
???????while（TI==0）
?????????{
???????????;
?????????}
???????TI=0;
???????key2=0;
???????while（RI==0）
???????{
????????;
???????}
????????data1=SBUF;
????????RI=0;
????????key2=1;
???????if（data1!=0x01）
?????????{
???????????SBUF=0x0f;
????????????while（TI==0）
????????????{
????????????????;
????????????}
????????????TI=0;
?????????}
???????else{
????????????SBUF=0x09;
????????????while（TI==0）
????????????{
????????????????;
????????????}
????????????TI=0;
????????????
???????????}
}


void?main（void）
{
????//delay（500）;
????init（）;
?
????while（1）
????{
????????//keyscan（）;
????????send（）;
????????delay（100）;
????}
}

?????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1744??2007-08-01?09:30??RS485\485單數據通信\00.c

?????文件???????1382??2007-08-01?09:28??RS485\485單數據通信\00.OBJ

?????文件???????1182??2007-08-01?09:28??RS485\485單數據通信\01.c

?????文件???????1377??2007-08-01?09:28??RS485\485單數據通信\01.OBJ

?????文件??????83480??2007-08-01?14:17??RS485\485單數據通信\Last?Loaded?通信.DBK

?????文件???????1099??2007-08-01?09:28??RS485\485單數據通信\發送

?????文件????????162??2007-08-01?09:30??RS485\485單數據通信\發送.cfg

?????文件????????376??2007-08-01?09:28??RS485\485單數據通信\發送.hex

?????文件?????????35??2007-08-01?09:28??RS485\485單數據通信\發送.lnp

?????文件???????5268??2007-08-01?09:28??RS485\485單數據通信\發送.M51

?????文件???????1621??2007-08-01?09:30??RS485\485單數據通信\發送.mpj

?????文件???????1076??2007-08-01?09:28??RS485\485單數據通信\接受

?????文件????????162??2007-08-01?09:28??RS485\485單數據通信\接受.cfg

?????文件????????366??2007-08-01?09:28??RS485\485單數據通信\接受.hex

?????文件?????????35??2007-08-01?09:28??RS485\485單數據通信\接受.lnp

?????文件???????5101??2007-08-01?09:28??RS485\485單數據通信\接受.M51

?????文件???????1621??2007-08-01?09:28??RS485\485單數據通信\接受.mpj

?????文件??????83480??2007-08-01?14:17??RS485\485單數據通信\通信.DSN

?????文件???????1078??2013-05-14?15:06??RS485\485單數據通信\通信.PWI

?????文件???????5124??2007-08-01?18:53??RS485\485多數據通信\00.c

?????文件???????3385??2007-08-01?18:53??RS485\485多數據通信\00.OBJ

?????文件???????3291??2007-08-01?18:54??RS485\485多數據通信\01.c

?????文件???????2301??2007-08-01?18:54??RS485\485多數據通信\01.OBJ

?????文件???????2501??2007-08-01?18:53??RS485\485多數據通信\發送

?????文件????????161??2007-08-02?12:49??RS485\485多數據通信\發送.cfg

?????文件???????1572??2007-08-01?18:53??RS485\485多數據通信\發送.hex

?????文件?????????35??2007-08-01?18:53??RS485\485多數據通信\發送.lnp

?????文件??????12133??2007-08-01?18:53??RS485\485多數據通信\發送.M51

?????文件???????1621??2007-08-02?12:49??RS485\485多數據通信\發送.mpj

?????文件???????1644??2007-08-01?18:54??RS485\485多數據通信\接受

............此處省略60個文件信息