Date: Mon, 29 Sep 2014 18:37:53 -0600 From: Tom Everett <tom@khubla.com> To: Erich Dollansky <erichsfreebsdlist@alogt.com> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: Documentation for using GPIO Message-ID: <CAB3ij4BYHWVDAXPe%2BCUXrCb=Ar65oBjHDf0eBzzk5Z4W8Zvqpg@mail.gmail.com> In-Reply-To: <20140930081618.122a0c79@X220.alogt.com> References: <20140929080337.46bbb5a3@X220.alogt.com> <CAB=2f8xaB0UtwHRisU=86RU3U1mczaxKP=QC=HjgbHq0EL60Nw@mail.gmail.com> <20140930081618.122a0c79@X220.alogt.com>
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I published a simple example here. https://github.com/teverett/gpioexample On Mon, Sep 29, 2014 at 6:16 PM, Erich Dollansky < erichsfreebsdlist@alogt.com> wrote: > Hi Luiz, > > On Mon, 29 Sep 2014 16:27:26 -0300 > Luiz Otavio O Souza <lists.br@gmail.com> wrote: > > > > is there some documentation available of how to use GPIO on a > > > Raspberry Pi B+ than man gpio, man gpioctl etc? > > > > > Unfortunately not, there is the Wiki page > > (https://wiki.freebsd.org/FreeBSD/GPIO) but it doesn't add much. > > > I ave read this. > > > But we can try to help you whenever possible, just post your questions > > and we'll try to address them. > > I am currently working on a C program which should use GPIO to switch > relais and read the state of switches via GPIO. I would like to make > this program as simple as possible by creating first a layer which > provides then functions like set (Pin), reset (Pin) and read (Pin) > only. Of course plus the things needed to open, close and configure the > interface. > > The best I have found until now are the sources of gpioctl. I am > currently looking at the source. > > Is this the best start? > > Erich > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" > -- A better world shall emerge based on faith and understanding - Douglas MacArthur
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