as pasirinkau atmeli... del prikabintos fotkes :)

Srotas, skaitymo kryptis: serial rom+rom, tiny2616+mega48,90ls2343, 
kvarciukai, kvarciukai
mega128, mega8, mega16+mega32, lm75, mega162v



On 2014.09.26 20:09, KaroliS wrote:
> as pasirinkau zaidimams atmega16 , kodel? todel kad tuo metu kai buvo
> pirmas mano pasizaidimas su AVR buvo susigalvotas projektelis
> panaudojant i2c , uart, lcd 16x2 , dar gal kazka nebelabai prisimenu ,
> tai kazka turiu literaturos parinkes, pagrinde apie programavima C
> kalba  mikrovaldikliams , jei domina galiu paieskot , kur imest? man
> kaip neprogrameriui ir siaip lameriui sitoj srityje padejo nemazai. su
> salyga kad man tai hobis ir as prie to prisedu labai retai taip
> normaliai ir neismokau programint  ir jau baigiu pamirsti ka mokejau:)
> bet kazka veikiancio padaryt pavyksta , aisku nebutinai tai padaroma
> teisingai bet veikia o tai ir dziugina.
>
>
>
> "Shadowed" <shadowed@bk.ru> wrote in message
> news:lvfbvk$2ph$1@trimpas.omnitel.net...
>> Vienu zodziu skaitau datascheeta ir neaisku man toks dalykas:
>>
>> The following code example shows how to set port B pins 0 and 1 high,
>> 2 and 3 low, and define the port pins from
>> 4 to 5 as input with a pull-up assigned to port pin 4. The resulting
>> pin values are read back again, but as previously
>> discussed, a nop instruction is included to be able to read back the
>> value recently assigned to some of the pins.
>>
>> unsigned char i;
>> ...
>> /* Define pull-ups and set outputs high */
>> /* Define directions for port pins */
>> PORTB = (1<<PB4)|(1<<PB1)|(1<<PB0);
>> DDRB = (1<<DDB3)|(1<<DDB2)|(1<<DDB1)|(1<<DDB0);
>> /* Insert nop for synchronization*/
>> _NOP();
>> /* Read port pins */
>> i = PINB;
>> ...
>>
>> Ok, tai PORTB nustato zema arba auksta lygi atitinkamose kojose, bet
>> kodel cia raso kad PB0 ir PB1 aukstam, o PB2 ir PB3 zemam lygiuose ?
>> Ar neturetu buti portai PB0, PB1 ir PB4 auksti, o PB2, PB3 ir PB5 zemi?
>> tada su DataDirectionRegisterB - raso, kad nuo PB4 iki PB5 pinu yra
>> inputai, nors man atrodo kad cia inputai turetu buti PB0, PB1, PB2 ir
>> PB3.
>

-- 
Bye, Levas

--
http://www.vabolis.lt