Emulace I2C slave (was: riadenie hlasitosti)

Netopil Jiří Jiri.Netopil at pvt.cz
Thu May 10 14:55:56 CEST 2001


Sorry
Nejak jsem nepostrehl ze je rec o slave zarizeni.
Jirka

-----Original Message-----
From: Hynek Sladky [mailto:sladky at jablotron.cz]
Sent: Thursday, May 10, 2001 2:51 PM
To: Multiple recipients of list
Subject: Re: Emulace I2C slave (was: riadenie hlasitosti)


Neni to trosku o necem jinem? :-) Nize uvedeny algoritmus mi pripada jako
master rutina pro cteni...
Hynek Sladky

----- Original Message -----
From: Netopil Jiøí <Jiri.Netopil at pvt.cz>
To: Multiple recipients of list <hw-news at list.gin.cz>
Sent: Thursday, May 10, 2001 2:20 PM
Subject: RE: Emulace I2C slave (was: riadenie hlasitosti)


> Ja pouzivam I2C v Atmelu na 24MHz.
> Programuji v Assembleru.
> I2C lze ovladat rychlosti az 333kHz:
>
> (...startBit)
> mov a,#1
> sm1: clr clk
> setb clk
> mov c,data
> rlc a
> jnc sm1
> (stopBit...)
>
> Ahoj
> Jirka
>
> -----Original Message-----
> From: Jan Pruha [mailto:Jan.Pruha at matsushita.cz]
> Sent: Thursday, May 10, 2001 1:57 PM
> To: Multiple recipients of list
> Subject: Emulace I2C slave (was: riadenie hlasitosti)
>
>
>
> Zdravim
>
> Take jsem to zkousel (AT89C2051 24MHz) a nedostal jsem se nad 12kHz SCL.
Je
> fakt, ze jsem to psal v C-cku. V assembleru by to urcite slo zrychlit, ale
> pocitam ze nad 30 kHz to stejne nepujde. Mozna ze by se dosahlo lepsich
> vysledku s AVRkem.
> Zabyval se tim jeste nekdo?
>
> Honza
>





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