PortB question

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 Start a New Thread

Does Port B have the option to be open-collector? If so, is that set correctly?

--- In r..., 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
>

Start a New Thread

No I check and that's not the problem, the pin is stuck high

On Mon, Mar 4, 2013 at 12:49 AM, seecwriter wrote:

> **
> Does Port B have the option to be open-collector? If so, is that set
> correctly?
>
> --- In r..., 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
> >
> Start a New Thread

Which module are you using?

On 3/4/2013 9:52 PM, Sylvain Bissonnette wrote:
> No I check and that's not the problem, the pin is stuck high
>
> On Mon, Mar 4, 2013 at 12:49 AM, seecwriter > > wrote:
>
>
>
> Does Port B have the option to be open-collector? If so, is that
> set correctly?
>
> --- In r...
> , 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
>

--
------
Scott G. Henion, Consultant
Web site: http://SHDesigns.org
------ Start a New Thread

MicroCore RCM6700

On Tue, Mar 5, 2013 at 3:34 AM, Scott Henion wrote:

> **
> Which module are you using?
>
> On 3/4/2013 9:52 PM, Sylvain Bissonnette wrote:
>
> No I check and that's not the problem, the pin is stuck high
>
> On Mon, Mar 4, 2013 at 12:49 AM, seecwriter wrote:
>
>> Does Port B have the option to be open-collector? If so, is that set
>> correctly?
>>
>> --- In r..., 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
>> >
> --
> ------
> Scott G. Henion, Consultant
> Web site: http://SHDesigns.org
> ------
>
>
> Start a New Thread

#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 r..., 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
>

Start a New Thread

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, d...@ymail.com 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 r..., 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
> >
> Start a New Thread

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 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, d...@ymail.com 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 r..., 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
>> > Start a New Thread

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 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 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, d...@ymail.com 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 r..., 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
>> >
>
> Start a New Thread

Hi to all of you,

What is wrong in my 10 line of code, Not all pine toggle

main()
{
int i;

WrPortI(SPCR, NULL, 0x84); // Port A as output
WrPortI(PBDDR, &PBDDRShadow, 0xff); // Port B as output
WrPortI(PBDDR, &PBDDRShadow, 0xff); // Port C as output
while(1)
{
WrPortI(PADR, &PADRShadow,i);
WrPortI(PBDR, &PBDRShadow,i);
WrPortI(PCDR, &PCDRShadow,i++);
}
}

> ,_._
> Start a New Thread