On Wednesday, March 16, 2016 at 10:56:42 AM UTC+5:30, Gary Thomas wrote:
>
> On 03/16/2016 06:18 AM, Sumit Bhut wrote:
> > How to set GPIO direction in beaglebone black in android using c
> code.....????
> >
> > Hi,Friends,...
> >
> > I'm Trying this code for set GPIO Direction For BBB in android
> ,compilation completed successfully But*Output NO
> > Change*......
> >
>
> What are you expecting to change? If this is a normal GPIO pin, the
> direction
> will be already set to 'in' when you export it.
>
> >
> > *Code:-
> >
> > void input1(int pin)
> > {
> > char buf[10];
> > char buf2[50] = "/sys/class/gpio/gpio";
> > FILE *in,*indir;
> >
> > in = fopen("/sys/class/gpio/export", "w");
> > fseek(in,0,SEEK_SET);
> > fprintf(in,"%d",47);
> > fflush(in);
> >
> > sprintf(buf,"%i",pin);
> > strcat(buf2,strcat(buf,"/direction"));
> > indir = fopen(buf2, "w");
> > fseek(indir,0,SEEK_SET);
> > fprintf(indir,"in");
> > fflush(indir);
> > fclose(in);
> > fclose(indir);
> >
> > }
> >
> >
> > Thank you.....
> > *
>
> --
> Gary Thomas
>
Thanks Thomas,
I'm expect starting this pin is output direction and than input
direction......
actually use this code in dht11 sensor interfacing with BBB in using
eclipse & NDK in C language ...
--
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