Author |
Message |
Topic: Interrupt frequency difference 16F877 -> 18F452 |
David Eaves
Replies: 12
Views: 20872
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Forum: General CCS C Discussion Posted: Sun Oct 10, 2004 2:46 am Subject: Interrupt frequency difference 16F877 -> 18F452 |
Hi asmallri,
Thanks for the reply. I didn't realise that with the delay function, it is very useful to know. I have found one delay_ms(1) that is called from within the real timer_1 ISR. I'll try t ... |
Topic: Interrupt frequency difference 16F877 -> 18F452 |
David Eaves
Replies: 12
Views: 20872
|
Forum: General CCS C Discussion Posted: Sat Oct 09, 2004 1:52 pm Subject: Code listing |
Hi there, as suggested here is the code....
I've gone down to a simple program to hopefully show the problem. In doing this I now found that I'm having the same thing with a 16F877 so there is no dif ... |
Topic: Interrupt frequency difference 16F877 -> 18F452 |
David Eaves
Replies: 12
Views: 20872
|
Forum: General CCS C Discussion Posted: Fri Oct 08, 2004 4:23 pm Subject: Interrupt frequency difference 16F877 -> 18F452 |
Hi there,
Your right, that will be the best way of getting to the bottom of the problem rather than speculation. I will sort out a cut down version tomorrow that shows what is happening.
Thanks
... |
Topic: Interrupt frequency difference 16F877 -> 18F452 |
David Eaves
Replies: 12
Views: 20872
|
Forum: General CCS C Discussion Posted: Fri Oct 08, 2004 12:57 pm Subject: The plot thickens... |
Hi all,
Sorry for my delay in the update here - my main job has been keeping me busy.
I did quite a bit of work looking into the timing problem I was having
-printed and read a lot of microchip ... |
Topic: Interrupt frequency difference 16F877 -> 18F452 |
David Eaves
Replies: 12
Views: 20872
|
Forum: General CCS C Discussion Posted: Tue Sep 28, 2004 4:14 pm Subject: Interrupt frequency difference 16F877 -> 18F452 |
Thanks for all the input so far:
Neutone, I'm not using WDT, or accessing/modifying the counter value anywhere in the program. The code function is to keep track of time by incrementing a variable ... |
Topic: Interrupt frequency difference 16F877 -> 18F452 |
David Eaves
Replies: 12
Views: 20872
|
Forum: General CCS C Discussion Posted: Tue Sep 28, 2004 2:48 pm Subject: Interrupt frequency difference 16F877 -> 18F452 |
Hi there,
This is the first time I haven�t been able to find the answer to my problem in this forum, I've also been trawling the Microchip website. Sorry if this has already been asked or is document ... |
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