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Discussion Groups | AVRclub | [AVR club] chronometre with lcd
Atmel AVR Microcontroller discussion group.
[AVR club] chronometre with lcd - chouaib671 - May 16 8:13:40 2007
hello, I would like to realise two chronometer which count the minutes
the seconds and the 1/10 of a second and which are posted on a LCD
2x16: 1st on line 1 and 2nd on line 2. counting would make according
to the position of a selector 3 positions; position 1: for counting
chronometer 1, position 2: for counting chronometer 2 and position 3:
no counting. The RESET of the two chronometer would be done with a
pushbutton. the microcontroller used is a ATmega8535 with a quartz of
16Mhz. If you have an idea to begin the program or a fragment of
program do not hesitate to transmit it. I thank you in advance.
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the seconds and the 1/10 of a second and which are posted on a LCD
2x16: 1st on line 1 and 2nd on line 2. counting would make according
to the position of a selector 3 positions; position 1: for counting
chronometer 1, position 2: for counting chronometer 2 and position 3:
no counting. The RESET of the two chronometer would be done with a
pushbutton. the microcontroller used is a ATmega8535 with a quartz of
16Mhz. If you have an idea to begin the program or a fragment of
program do not hesitate to transmit it. I thank you in advance.
(You need to be a member of avrclub -- send a blank email to avrclub-subscribe@yahoogroups.com )
Re: [AVR club] chronometre with lcd - "A. R. Khorasani" - May 16 10:10:30 2007
design an one millisecond timer using a 16-bit timer. (measure precise freq.
of 16 MHz xtall using frequency meter, or use a precise osillator instead)
using code, get 0.01 sec and upper time slices
refresh lcd lines every 0.1 second
On 5/16/07, chouaib671 wrote:
>
> hello, I would like to realise two chronometer which count the minutes
> the seconds and the 1/10 of a second and which are posted on a LCD
> 2x16: 1st on line 1 and 2nd on line 2. counting would make according
> to the position of a selector 3 positions; position 1: for counting
> chronometer 1, position 2: for counting chronometer 2 and position 3:
> no counting. The RESET of the two chronometer would be done with a
> pushbutton. the microcontroller used is a ATmega8535 with a quartz of
> 16Mhz. If you have an idea to begin the program or a fragment of
> program do not hesitate to transmit it. I thank you in advance.
>
[Non-text portions of this message have been removed]
(You need to be a member of avrclub -- send a blank email to avrclub-subscribe@yahoogroups.com )
of 16 MHz xtall using frequency meter, or use a precise osillator instead)
using code, get 0.01 sec and upper time slices
refresh lcd lines every 0.1 second
On 5/16/07, chouaib671
>
> hello, I would like to realise two chronometer which count the minutes
> the seconds and the 1/10 of a second and which are posted on a LCD
> 2x16: 1st on line 1 and 2nd on line 2. counting would make according
> to the position of a selector 3 positions; position 1: for counting
> chronometer 1, position 2: for counting chronometer 2 and position 3:
> no counting. The RESET of the two chronometer would be done with a
> pushbutton. the microcontroller used is a ATmega8535 with a quartz of
> 16Mhz. If you have an idea to begin the program or a fragment of
> program do not hesitate to transmit it. I thank you in advance.
>
[Non-text portions of this message have been removed]
(You need to be a member of avrclub -- send a blank email to avrclub-subscribe@yahoogroups.com )