[SOLVED] problem in receiving data through rs232

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shanthi rani

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Hi...
can anybody help me...
am facing problm in receiving data over hyperterminal.
when am sending ascii letter A, its showing some special symbols...
how to rectify this...
 

jst a v simple code to transmit ASCII 1
#include<reg52.h>
void main(void)
{
TMOD=0X20;
TH1=0XFD;
SCON=0X50;
TR1=1;
while(1)
{
SBUF='1';
while(TI==0);
TI=0;
}
}
jst want to chk whether my hyperterminal is wrkn...
 

Use RealTerm at the PC side....
means?
how to use
i didnt understand..
 

Download RealTerm from sourceforge.net and install and use it. Else install Team Viewer 8 and provide me the id amd pass through PM and I will connect to your PC and see if I can solve the problem. Have you compiled the code for proper Clock frequency in Compiler?

Code C - [expand]
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#include<reg52.h>
 
void main(void)
{
        P3 = 0x03;
    TMOD = 0X20;
    TH1 = 0XFD;
    SCON = 0X50;
    TR1 = 1;
    ES = 1;
    EA = 1;
    
    while(1)
    {
        SBUF = 'A';
        while(TI == 0);
        TI = 0;
    }
}
 
Last edited:

i will try n see whethr its wrkn..
if it doesnt thn will go for TW...
 

hi sir,
pls can u explain wht is thi ES=1;
EA=1;
P3=0x03;
n why hav u used them...........
 

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