[En-Nut-Discussion] CHARON II I2C slave adress 0x20 :-(

[Joel Dotreppe]

Cosmin,

thank for your response.

yes i  have pullup resistors 2x 4k7.

the assembly existed already in the past, but on the port printer.

best Regards,

Joel

----- Original Message ----- 
From: "Cosmin Buhu" <lists at byteworks.ro>
To: "Ethernut User Chat (English)" <en-nut-discussion at egnite.de>
Sent: Tuesday, December 28, 2004 6:01 PM
Subject: Re: [En-Nut-Discussion] CHARON II I2C slave adress 0x20 :-(


> 
> ----- Original Message -----
> From: "Joel Dotreppe" <joel.dotreppe at infonie.be>
> To: "Ethernut User Chat (English)" <en-nut-discussion at egnite.de>
> Sent: Tuesday, December 28, 2004 5:13 PM
> Subject: [En-Nut-Discussion] CHARON II I2C slave adress 0x20 :-(
> 
> 
>>Hello has all,
>>Y still has to you it nobody who is not in vacancy? :-)\
> >Can somebody say to me if it is normal that I do not manage to write
> towards the address 0x20 on bus I2C ?
>>The hardware seems correct! (TDA8444P)
> >example:
>>  u_char Wbuff[9]={0xF0,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F };
> ...
>> TwMasterTransact(0x20, Wbuff, 9, Rbuff, 0, 500);
>> Result:TwMasterError:  0x04!?
>> Thank you in advance & happy news year for all.
>>Joel Dotreppe.
> 
>    Hello,
>    0x04 means TWERR_SLA_NACK, No slave response. Do you have pullup
> resistors
> on twi lines?
> 
> Regards,
> Cosmin
> 
> 
> 
> _______________________________________________
> En-Nut-Discussion mailing list
> En-Nut-Discussion at egnite.de
> http://www.egnite.de/mailman/listinfo.cgi/en-nut-discussion
>