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I solved my problem with serial communications.The answer was the bit numbers.
THANX A LOT

Hi everybody;

I am trying to send data from pic16f877 to pc by using rs232.I use hyper terminal.I can send data but there is always a delay.After oppening any file on my desktop i see the data.Data ...

Hi all

I want to learn that is it possible to set set_timer0(); function as in the code

int8 count=0;
int8 const x3[]={0,1,2,4,6};
int8 data;

void choose() ...

Hi

I really need to create files so I think that file helps me alot . Can you send them to me ?
Send your mail address from pm under my nick.

Hi all

I am working on a project about writing data to Compact Flash Memory card. Iwant to create a .txt or .csv file in memory card but I could not find any C function like "fopen." How can I do ...

Hi
In my project I have an interface between 74ls90 (counter) and 18f452.
I obtain a value with using 74ls90 nad then using 18f452's ext interrupt routine to take the value of counter. From B4- ...

Hi

Unless you ae using the timer elsewhere, why not leave it programmed to the clock rate you require outside the interrupt. So the 'setup_timer_0' routine, could be in the main. This saves a fe ...

hi all

If I have infinite loop inside Interrupt routine Forexample: an analog to digital conversion (a infinite loop). #int_TIMER0
TIMER0_isr()

{
do {
for( ...

Hi

How can I use clear_interrupt()? because I could not find anything CCS Help. Can you recommend other methods to prevent it?

Thanks for your help

BEST REGARDS
ARIZA

Hi all

In my project I use 18f452 and its three external interrupts with three buttons(using debounce circuit).In ext interrupt routine I enable/disable other two external interrupts. Something li ...

Hi all..

A correction : in notes part

in ext1 i set sample rate

thanks Embarassed

Emrah

Hi all.
I am having some serious trouble with a very simple problem abut using interrupts.
In my program I use ext,ext1,ext2,timer0 interrupts and i want to enable and disable interrupts with ext ...

Thanks your help but i still could't solve my problem. When i did what Ttelmah recommended , after 5 seconds later from first push ,it accepts the new push and increase the value of x. : confused:
[ ...

Hi,

Sorry a small mistake, the true code is here. When i test this code it only counts one time and i obserce 00000001 in PORTC
[code]#int_EXT1 NOCLEAR
EXT1_isr()
{
x=x+1;disable_ ...

Hi all

I have a simple but very important problem in my project. I need to count the push button number in external1(B1) interrupt routine in 18f452 I think i am doing something wrong but i couldn ...