Touchscreen

[Matthias Lange]

On Tue, Nov 13, 2012 at 12:17:16PM -0800, Wajidali Whowe wrote:
> Hi Matthias, 
> 
> Somehow, the proc file is not mounted when the linux starts and interestingly choosing console = ttyLvx results in a panic case, therefore I have been working on qemu and console was ttyLv0 in my case. Unfortunately lsusb is not supported by the ramdisk I downloaded (drops-rd.rd, this one is from http://os.inf.tu-dresden.de/L4/LinuxOnL4/download.shtml#ramdisk ) Once I mount the proc and then the lspci result is:

Busybox supports lsusb. Alternatively you can peek into the sysfs manually.
Does dmesg gives you any clues whether the kernel has detected some USB
devices?

Matthias.

> 
> 00:00.0 IDE interface: Intel Corp. 82371SB PIIX3 IDE [Natoma/Triton II]
> 00:01.0 USB Controller: Intel Corp. 82371SB PIIX3 USB [Natoma/Triton II] (rev 01)
> 00:02.0 Ethernet controller: Intel Corp.: Unknown device 100e (rev 03)
> 
> However, an ifconfig -a shows only lo interface (i.e., the ethernet interface does not exists) and unfortunately USB keyboard or mouse does still not work in the real hardware... 
> 
> here is the final lua script:
> 
> """"""""""""""""""""""""""""""""""""""""""""""""
> 
> hid = l:new_channel(); 
> 
> local linux_caps = {
>   log = L4.Env.log:m("rws");
> vbus = io_caps.linux_bus,
>   rtc = rtc_caps.rtc,
>   ev = hid:svr(),
>   rom = L4.Env.rom,
> };
> 
> L4.default_loader:start(
>         {
>                 caps = linux_caps,
>         },
>         "rom/vmlinuz mem=256M console=ttyLv0 root=1:0 ramdisk_size=32768 l4x_rd=rom/drops-rd.rd init=/bin/sh");
> 
> 
> local mag_caps = {
> mag = l:new_channel(),
> svc = l:new_channel(),
> };
> 
> l:start({
>           caps = {
>     vbus = io_caps.con_bus,
>     fb   = fb_caps.fb,
>     mag  = mag_caps.mag:svr(),
>     svc  = mag_caps.svc:svr(),
>   },
>   ev    = hid, 
>           log      = { "mag", "g" },
>   l4re_dbg = L4.Dbg.Warn,
>         },
> "rom/mag");
> 
> """"""""""""""""""""""""""""""""""""""""
> 
> Best Regards,
> 
> 
> 
> 
> ________________________________
>  From: Matthias Lange <mlange at sec.t-labs.tu-berlin.de>
> To: Wajidali Whowe <whowe123 at yahoo.com> 
> Cc: "l4-hackers at os.inf.tu-dresden.de" <l4-hackers at os.inf.tu-dresden.de> 
> Sent: Monday, November 12, 2012 4:21 AM
> Subject: Re: Touchscreen
>  
> 
> On 08.11.2012, at 19:08, Wajidali Whowe wrote:
> 
> Hi Matthias, 
> >now the lua script is like this and I just added one additional linux to see whether it is working, however, still I have no usb support:
> 
> Does L4Linux shows any signs of USB during boot? What's the output of lsusb?
> 
> Matthias.
> 
> 
> -- 
> Dipl.-Inf. Matthias Lange <mlange at sec.t-labs.tu-berlin.de>
> Security in Telecommunications
> TU Berlin / Deutsche Telekom Laboratories
> Ernst-Reuter-Platz 7, 10587 Berlin
> Phone: +49 - 30 - 8353 58 553
> Mobile: +49 - 160 - 587 28 07
> Web: http://www.fgsect.de 

-- 
Dipl.-Inf. Matthias Lange <mlange at sec.t-labs.tu-berlin.de>
Security in Telecommunications
TU Berlin / Telekom Innovation Laboratories
Ernst-Reuter-Platz 7, 10587 Berlin
Phone: +49 - 30 - 8353 58 553
Mobile: +49 - 160 - 587 28 07
Web: http://www.t-labs.tu-berlin.de/sect