Hi all, Interesting Work! What is the max baud rate you can get from this rs485 cape on BBB?
Haik On Friday, June 21, 2013 5:54:29 AM UTC-4, Mickae1 wrote: > > Hi all, > > Yes I did it ^^, I successfully made my BBB ( Kernel 3.8.x ) work with the > *RS485 > CAP ( I was able to talk with my PC with a USB<>RS485 adaptater ) * > > To do it, I modified the Kernel (omap serial driver) and I tested it on a > Ubuntu Distribution ( Why ? Because I don't know how to modify the source > code of the kernel with an angstrom distribution. And Robert Nelson explain > very well how to do it with a Ubuntu distribution). > > It's true, that the eMMC use the GPIO1_0 & GPIO1_4 of the BBB and the > RS485 cap need them, but it's also *easy *to disable the virtual cap > eMMC! Just a simple echo -4 > $SLOTS do the trick. > And I also had to create my own rs485 virtual cap to enable the GPIO1_0 & > GPIO1_4 & UART1_TX & UART1_RX > > But now, for my project I need to cross compile, and it looks like that > there is no toolchain on the ubuntu distribution (working with the Robert > Nelson Ubuntu distribution). > > So I'm going back to the Angstrom distribution, but my problem is that I > don't know where to put my patch ? Will it work ? I don't know how to > create a patch, I just did this command : " sudo git diff > ../rs485.patch" > ( Robert Nelson => on your KERNEL folder ) > > I read here => http://downloads.angstrom-distribution.org/demo/beaglebone/ > > That i can create my own image, with this : > > git clone git://github.com/Angstrom-distribution/setup-scripts.git > > cd setup-scripts > > ./oebb.sh config beaglebone > > MACHINE=beaglebone ./oebb.sh bitbake systemd-image > > > My question is where I can put my patch ? Or where I can modify the Kernel > ? > > > Thx you every one, It's because of your help, That I was able to make this > Work ! > > > I will soon explain my work on this project in my blog. > > > > Michael Musset, > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
