Discussion in "Project Doubts" started by    dhanushka888    May 3, 2013.
Tue May 07 2013, 01:12 PM
#11
when press enter in the "transmit" side of the terminal, symbols are appeared in the "receiving" side..
then I connected max232 and nothing displayed in receiving side..

Tue May 07 2013, 06:11 PM
#12
i am also working on this...but while transmitting the data from 8051 to virtual terminal me getting a garbage value....i have set the baud rate by right clicking on the virtual hyper terminal...Belowe is the coding i m using could anyone help me please....i am transmitting a single letter 'A' but on hyper terminal me getting 'i' and when i right click on hyper terminal and mark the hex display mode it shows 'A1'...pls help me sir

#include <reg51.h>

void delay(unsigned int d)
{
unsigned int i,j;
for(i=0;i<=d;i++)
for(j=0;j<=1000;j++);
}
void main(void)
{
TMOD=0x20;
TH1=0xFD;
SCON=0x50;
TR1=1;
SBUF='A';

while(TI==0);


delay(50);
TI=0;

}
Wed May 08 2013, 04:44 AM
#13
probably your controller's frequency is not correct then. In proteus simulator does not take account of external crystal. click on 8051 in schematic go to properties and change crystal frequency to 11.0592Mhz and try again.
Wed May 08 2013, 05:40 AM
#14
it works...thanx aloootttt
Wed May 08 2013, 08:47 AM
#15
thank you ajay sir.. it's solved now.. I didn't see that property value.. I waste your time a lot.. sorry for that
glad to know sushant973 that your problem is also solved...


[ Edited Wed May 08 2013, 08:49 AM ]
Fri May 10 2013, 05:16 AM
#16
I am happy it worked for both of you Good luck! and happy learning..
 dhanushka888 like this.
Mon Jul 24 2017, 02:40 PM
#17
Here is a lot information about using virtual COM port - http://www.virtualserialportdriver.com/articles/how-to-use-virtual-serial-port-emulator/
I hope this article can help
Wed Nov 08 2017, 05:29 PM
#18
Hi...i am a new user here. I was also facing the same issue so according to my solution you should remove max232 from proteus and connect RXD of controller to RXD of COMPIM and Txd of controller to TXD of COMPIM directly.

automated pcb assembly


[ Edited Wed Feb 21 2018, 04:54 PM ]

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hii!! some1 please let me know how i ll get rfid code to 8051 by WEIGAND mode
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how to write and execute a program that read the keypad button and display the number on 7 segment on intel8051 at89s52 in assembly language?
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kaiserslautern
Hello everyone, using software uart is a very good idea for a second serial port. Thank you so much. I would kindly like to know how to connect this port to the PC?
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ExperimenterUK Avatar
Posted By ExperimenterUK
Thu Sep 13 2018, 08:39 PM
First of all, by reading your reply, I abandoned m...
DrNossberg Avatar
Posted By DrNossberg
Thu Sep 13 2018, 03:49 PM
Hi, thanks you for your reply ^^ First of all, by ...
ExperimenterUK Avatar
Posted By ExperimenterUK
Wed Sep 12 2018, 12:12 AM
HiThere are several issues here.The original 8051 ...
DrNossberg Avatar
Posted By DrNossberg
Tue Sep 11 2018, 08:08 PM
Hello everybody!First of all let me explain some s...
ExperimenterUK Avatar
Posted By ExperimenterUK
Fri Sep 07 2018, 05:08 AM
The compiler thinks the micro doesn't have enough...
Sudhansudeep Avatar
Posted By Sudhansudeep
Fri Sep 07 2018, 02:59 AM
this is the build output message
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Posted By Sudhansudeep
Fri Sep 07 2018, 01:38 AM
Change the mobile number as [number removed] in t...
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Posted By ExperimenterUK
Thu Sep 06 2018, 08:56 PM
I don't know what the problem is, I get no errors....
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Posted By Sudhansudeep
Thu Sep 06 2018, 01:12 PM
the code is Attachment ...
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Posted By Sudhansudeep
Thu Sep 06 2018, 12:48 PM
the code is same as u sent me for 16 chars