Re: Re: PortB question

Sylvain Bissonnette <bibi-tlkWMpG4QxlWk0Htik3J/[email protected]>
Newsgroups gmane.comp.hardware.rabbit-semiconductor
Message-ID <CAMS3D4k=ADS+rQUHBkVoKz0-DRcVru1j0LJuF+zvUMNcLxR+8Q@mail.gmail.com>
I'm not a expert, the only thing I can see it's written in the datasheet

PIN NAME   SERIAL PORT   EXTERNAL BUS
PB0             SCLKB             IA6



On Tue, Mar 5, 2013 at 9:49 PM, Tom Collins <tom-lnEA/wrDJtNWk0Htik3J/[email protected]> wrote:

> **
>
>
> Don't the minicore modules use PB0 as the clock on the serial flash? Check
> PBFR to see if it's an alternate output.
>
> -Tom
> (Sent from my phone; forgive my brevity.)
>
> On Mar 5, 2013, at 5:41 PM, Sylvain Bissonnette <bibi-tlkWMpG4QxlWk0Htik3J/[email protected]> wrote:
>
>
>
> Not work, when DC is programming flash PB0 give data, but as soon the code
> start there is nothing on PB0 and DC give error "while debugging timeout"
>
> Any Clue?
>
> On Tue, Mar 5, 2013 at 7:40 PM, [email protected] <[email protected]>wrote:
>
>> **
>>
>>
>>
>>
>> #define BYTE_OFF 0xFF
>> #define BYTE_ON 0x00
>>
>> #define BIT_OFF 1
>> #define BIT_ON 0
>>
>> // Set all the Port B as outputs(default high logic):
>> WrPortI(PBDDR, &PBDDRShadow, BYTE_OFF);
>> // Or:
>> for(i=0;i<8;i++) BitWrPortI(PBDDR, &PBDDRShadow, BIT_OFF, i);
>> ==================================================================
>> // Port B will be active(on) if trigger with low logic as follows:
>> WrPortI(PBDDR, &PBDDRShadow, BYTE_ON);
>> //Or:
>> for(i=0;i<8;i++) BitWrPortI(PBDDR, &PBDDRShadow, BIT_ON, i);
>>
>> --- In [email protected], Sylvain Bissonnette wrote:
>> >
>> > Hi, I have a problem with the PORTB bit 0 I set this bit in output and I
>> > write values but without success I don't get anything from the I/O.
>> >
>> > for (i=0;i<8;i++) BitWrPortI(PBDDR,&PBDDRShadow,1,i);
>> >
>> > while(1) WrPortI(PBDR, &PBDRShadow,i++);
>> >
>> > Thanks for your time
>> > Sylvain Bissonnette
>> >
>>
>>
>   
>
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