Discussion in "Project Help" started by    venkat    Jun 22, 2007.
Tue Jul 17 2007, 02:16 PM
yeah venkat you forgot to post the code.. or say attach the code.. please attach it again..
 venkat like this.
Wed Jul 18 2007, 08:15 AM
I am attaching the code regarding rtc interfacing herewith, i hope you will get it now.
Wed Jul 18 2007, 08:01 PM
Hi Venkat,
i think you are not attaching the file properly or.. you are not uploading the correct filetype.
Please make sure the file is from the below provided file types:

| .c | .h | .asm | .src | .zip | .gz | .jpg | .png | .gif | .rar | .pdf | .txt |

And if your file is one of the above mentioned extensions, then please try to follow these steps...
1. to reply, click on post reply button below.
2. type your message/reply
3. click on the browse button in the attachment area
4. select the file to attach
5. click on the post reply button
if you are still not able to attach the file.. then.. do this..
go to rapidshare.com upload your file there, and post your link here...
hope this will help you.
 venkat like this.
Fri Jul 20 2007, 05:20 AM
hai ajay/rickey
Regarding rtc interfacing to 8051
here iam not finding the post reply button as you have said in step 5.

here is the link for the file
Fri Jul 20 2007, 09:56 AM
venkat, can u please download the code once and check what u have uploaded... i think by mistake you uploaded the object files...
Wed Jul 25 2007, 11:41 AM
hai , pls go through the code given in the link below and let me know where iam going wrong.

Wed Jul 25 2007, 01:41 PM
I am checking your code.. but i need the circuit diagram too... to check whether the code is ok.. or not..
are you using keil?

Instructions to post the image..
1. goto www.imageshack.us
2. upload your photo there
3. copy the direct link to image.
4. paste the link in your reply between [ i m g ] and [ / i m g ] tags
please remove spaces from the tag like this [img]
 venkat like this.
Thu Aug 02 2007, 08:08 AM
hai rickey,
Here is the circuit for your kind persual.
Thu Aug 02 2007, 12:35 PM
i saw your code and circuit. the connections are ok.. but i don't understand one thing in your code..
why do you have two main() functions in your code.. as you know in C programs there can be only 1 main function.

As i guessed from two different programs... you were initializing the RTC with one program. and then reprogram your controller to read the data with the other program. I hope i am right..
But venkat, as you know that the RTC doen't have a backup supply so whatever data is there will be lost when you take off the power and reprogram to read the data again.
So the clock will again behave as if its just started now.. and u will not get changed data everytime.

Write an initialization function within the reading file.. where you put all the data which is needed for initialization of RTC and then in your main function.. call that init function.
This way in single program... initialization as well as reading will be done so.. you might get the results you want.
Will be waiting for reply.. probably fast this time
 venkat like this.
Mon Aug 06 2007, 03:13 AM
hello rickey,
Thankyou for your suggestion, i feel this could work out . I try puting the init code in the reading code and I get back to you at earliest. i am sorry for the delayed responses due to some inconvience.

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