RaspbianXenomaiBuild "startx" problem

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12 Apr 2013 19:52 - 12 Apr 2013 19:54 #32628 by lordopt
Hi everyone.

I have installed the pre-built image to my Raspberry Pi from this page: wiki.linuxcnc.org/cgi-bin/wiki.pl?RaspbianXenomaiBuild

It started successfully, but when I run "startx" , I got : "command not found"

Does this pre-built image contains a graphic interface? or it should be installed by myself?

I'm not familiar with Linux....any help will be apprecated.
Last edit: 12 Apr 2013 19:54 by lordopt.

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12 Apr 2013 20:15 #32630 by ArcEye
Everything in the Wiki suggests that this is a headless install

All the installation is either by chroot or over ssh and testing is over ssh.

Hopefully Kinsa will read this and advise, but that is how it looks to me

regards
The following user(s) said Thank You: lordopt

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12 Apr 2013 20:35 #32631 by lordopt
Thank you for your reply.

I am planing to build a CNC system with Raspberry Pi and a FPGA board.

It's a little disappointing that Kinsa's pre-built image doesn't work .

But I believe it will. Hope for Kinsa's great work

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12 Apr 2013 21:25 #32636 by ArcEye

It's a little disappointing that Kinsa's pre-built image doesn't work


I think it works as he intended. The RPi is probably going to be built into the machine and he can ssh into it from a remote computer.

This is the sort of thing if you are not familiar with it
www.penguintutor.com/linux/raspberrypi-headless

regards

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13 Apr 2013 17:34 #32672 by lordopt
Thanks for your advise.

It worked.

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13 Apr 2013 18:12 #32674 by ArcEye
Glad to hear it.

I haven't touched my RPi for ages, so I have downloaded Kinsas' image and will give it a try myself some rainy day

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13 Apr 2013 20:06 - 14 Apr 2013 07:08 #32679 by lordopt

Glad to hear it.

I haven't touched my RPi for ages, so I have downloaded Kinsas' image and will give it a try myself some rainy day


Very glad to hear that you have a RPi too. You must know much more about this little board than me. So good to seek you for advise.

I want to build a system with Raspberry Pi and a FPGA board connected via RPi's connector J1. Just like the Pluto-P board connect to PC through parallel port.

Besides, maybe I will be able to develop a HAL component to communicate between RPi and FPGA.

With this HAL component, RPi will be able to pass motion control command periodically to FPGA, Then FPGA will generate PWM to control motors....

OK , no more words to waste your time...lol....just the same method as Pluto-P board.

Do you think this plan is possible to be realized?

Thanks for your time.

Regards
Last edit: 14 Apr 2013 07:08 by lordopt.

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17 Apr 2013 07:46 #32818 by kinsa

Hi everyone.

I have installed the pre-built image to my Raspberry Pi from this page: wiki.linuxcnc.org/cgi-bin/wiki.pl?RaspbianXenomaiBuild

It started successfully, but when I run "startx" , I got : "command not found"

Does this pre-built image contains a graphic interface? or it should be installed by myself?

I'm not familiar with Linux....any help will be apprecated.


I've had no time to play with X as I don't have a spare monitor, I'm still waiting for the small car monitor I've ordered from the 'bay.

I've tested X briefly on my HDMI TV and the performance is not good. Lowering the resolution helps a bit.

You can also use remote desktop (rdp), just do the following on RPi:
sudo apt-get install libgl1-mesa-swx11 xrdp
apt-get install --no-install-recommends lxde

I want to build a system with Raspberry Pi and a FPGA board connected via RPi's connector J1. Just like the Pluto-P board connect to PC through parallel port.

Besides, maybe I will be able to develop a HAL component to communicate between RPi and FPGA.

With this HAL component, RPi will be able to pass motion control command periodically to FPGA, Then FPGA will generate PWM to control motors....

OK , no more words to waste your time...lol....just the same method as Pluto-P board.

Do you think this plan is possible to be realized?

My original plan was to use an FPGA but the development board I ordered arrived late and I still have some leftover PIC32s so that's what I've used.

Someone is actually working on getting the Mesa boards to work on RPi.

Cheers!

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