do you mean this ?

/Here is how the code fragments above fit together:/
/;***************************************************/
/*********************/
/; */
/; Description: Lesson 6 example 1c */
/; */
/; Demonstr/
/ates use of Timer0 interrupt to perform a background task */
/; */
/; Flash an LED at exactly 1 Hz (50% duty cycle). */
/; /
/*/
/;************************************************************************/
/; */
/; Pin assignments: */
/; /
/GP2 =3D flashing LED */
/; */
/;************************************************************************/


On 1/07/2013 8:25 PM, David Meiklejohn wrote:
> Electronic Consultation wrote:
>> What I'm trying to do is creating 1s interrupt on the background with
>> Timer0, I have set Timer0 to B2 and I need a counter for it.
>> It's state machine turn on and turn off LED in one second, but the "one
>> second" comes from Timer0 interrupt, Do you get what I mean ?
> Again, take a look at my tutorials at
> http://www.gooligum.com.au/tut_midrange.html, especially lesson 6 which
> includes the exact example you're looking for: flashing an LED at 1 Hz,
> using a Timer0 interrupt.
> That code is for a 4 MHz processor clock while you want 20 MHz, but the
> principle is the same and modifying my code to work at 20 MHz would be a
> good exercise to ensure that you understand it.
>
> Regards,
> David Meiklejohn
> www.gooligum.com.au
>
>
>

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