From: Nick S. <nic...@gm...> - 2011-12-07 23:09:24
|
Thanks Dave So basically I just need to add/include the "user-gpio.h" and "user-gpio.c" files and enter the unsigned gpio numebrs as 146 and 147? instead of opeing and reading the system files) What exactly is the const char * label? Nick On 7 December 2011 22:17, Dave Hylands <dhy...@gm...> wrote: > Hi Nick, > > On Wed, Dec 7, 2011 at 8:53 AM, Nick Starzicki <nic...@gm...>wrote: > >> Hi Dave >> >> Thanks for the response >> >> 1) I know there is the possibility of opening files, but I meant if there >> is a way of adding some include and having built in functions. Then I found >> some "GPIO Interfaces" txt file on the GPIO wiki. I saw there something to >> do with a header file and some c functions, or as it seems. Haven't gone >> over them yet, but will soon. >> > > There aren't any canned functions for using the sysfs interface. You'd > need to write those yourself. > > I wrote a gpio driver/library which reflects the kernel's gpiolib API up > into user-space. It's covered here: > http://wiki.gumstix.org/index.php?title=User_GPIO_Driver > > >> >> 2) I may not have asked my question correctly. Regarding the UART I was >> really meaning to ask if the serial lines (which I now see are pins 9 and >> 10 I think) are the UART pins, and if they have to do with the serial >> console port (usb port for communication with the comp and getting a >> command line). Because if the are the same lines then it won't be possible >> to use UART and command line at the same time? >> > > Pins 9 & 10 on the 40-pin connector are for UART1. Pins 21 & 22 are for > UART3. > > I'm pretty sure that UART3 is the console. > > -- > Dave Hylands > Shuswap, BC, Canada > http://www.davehylands.com > > > ------------------------------------------------------------------------------ > Cloud Services Checklist: Pricing and Packaging Optimization > This white paper is intended to serve as a reference, checklist and point > of > discussion for anyone considering optimizing the pricing and packaging > model > of a cloud services business. Read Now! > http://www.accelacomm.com/jaw/sfnl/114/51491232/ > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > > |