The best way to know is to try ..... buy the beaglebone black, the rs485 cap and test it !
On Tue, Dec 3, 2013 at 1:17 PM, <[email protected]> wrote: > Hi Mika, > > I need to go two orders of magnitude higher (3.8 Meg, for a short distance > of six feet, half duplex). Is there a chance with BBB? > > Thanks, > Haik > > > On Tuesday, December 3, 2013 3:40:39 AM UTC-5, Mickae1 wrote: > >> Hi, >> >> Well, I'm working with the BaudRate 38400 and I don't have any problem. I >> didn't try further. >> >> micka, >> >> >> On Tue, Dec 3, 2013 at 3:13 AM, <[email protected]> wrote: >> >>> 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. >>> >> >> -- > 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. > -- 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.
