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Can't find any howto for pico-LCD display
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andrewwalker27
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PostPosted: Fri Mar 06, 2009 10:24 pm    Post subject: Can't find any howto for pico-LCD display Reply with quote

I've got a USB-LCD-2x2 display apparently called a picoLCD that I can't get to work. I've installed lcdproc but it doesn't seem to work and I can't seem to find a howto of any sort to help. Can anyone point me in the direction of a decent guide? I can see the device on my usb bus

athlon64 fred # lsusb
Bus 002 Device 003: ID 04d8:0002 Microchip Technology, Inc.
Bus 002 Device 001: ID 1d6b:0001
Bus 001 Device 001: ID 1d6b:0002
Bus 001 Device 002: ID 058f:6362 Alcor Micro Corp. Hi-Speed 21-in-1 Flash Card Reader/Writer (Internal/External)
athlon64 fred #

but is all I get when I try lcdproc

athlon64 fred # lcdproc
sock_connect: connect failed
Error connecting to LCD server localhost on port 13666.
Check to see that the server is running and operating normally.
athlon64 fred #

Any suggestions where to start?
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poly_poly-man
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Location: RIT, NY, US

PostPosted: Sat Mar 07, 2009 3:56 am    Post subject: Reply with quote

http://www.linuxconsulting.ro/picoLCD20x2/

it's a hid device, and needs a specific driver.

You should be able to hack together an ebuild with that patch, no?
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andrewwalker27
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PostPosted: Sat Mar 07, 2009 9:26 pm    Post subject: Reply with quote

Thanks for the info but it's a bit beyond my abilities! I was hoping I just had to edit a script, not create my own ebuild!
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danomac
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PostPosted: Sat Mar 07, 2009 9:59 pm    Post subject: Reply with quote

Did you set the picolcd use flag?

Code:

$ sudo equery uses lcdproc
[ Searching for packages matching lcdproc... ]
[ Colour Code : set unset ]
[ Legend : Left column  (U) - USE flags from make.conf              ]
[        : Right column (I) - USE flags packages was installed with ]
[ Found these USE variables for app-misc/lcdproc-0.5.2-r1 ]
 U I
...
 - - lcd_devices_picolcd      : Add support for Mini-Box's picoLCD
...


Put LCD_DEVICES="picolcd" in your make.conf.
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andrewwalker27
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PostPosted: Sun Mar 08, 2009 1:43 pm    Post subject: Reply with quote

Well I've done that, started the daemon
athlon64 init.d # /etc/init.d/lcdproc start
lcdproc |* Caching service dependencies... [ ok ]
lcdproc |* Starting lcdproc... [ ok ]
athlon64 init.d #

But I've tried lcdproc but no change
athlon64 / # lcdproc
sock_connect: connect failed
Error connecting to LCD server localhost on port 13666.
Check to see that the server is running and operating normally.
athlon64 / #
Any suggestions?
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danomac
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PostPosted: Sun Mar 08, 2009 4:32 pm    Post subject: Reply with quote

You also need to make sure that LCDd is running. (It's the daemon the error message refers to.)

Code:

$ /etc/init.d/LCDd start
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