Re: Raspberry Pi 40x4 LCD hd44780-rpi

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On Tue, 12 Feb 2013, Markus Dolze wrote:

> On 11.02.2013 11:13, Markus Dolze wrote:
>> On 10.02.2013 14:33, Kevin Walton wrote:
>>> Hi
>>>
>>> I am looking to connect up a 40x4 HD7780 LCD to a Raspberry Pi.
>>>
>>> After some searching and a look at the current nightly build I can
>>> only find support for single LCD modules in lcdproc on the Raspberry Pi.
>>>
>>> Has anyone played with enabling support for a 40x4 module (but not
>>> checked it in yet)?
>>>
>>> Which GPIO pin would be suggested for the second En?
>>>
>>> If no one has started extending I could take a look but my coding
>>> skills are only very basic - is it relatively straight forward to do?
>>>
>>> All comments and advice much appreciated.
>>
>> the time I committed the Raspberry Pi driver I knew someone would come
>> up with this ;-)
>>
>> I have a 40x4 change ready, but I would like to spend another hour or
>> two for testing. Stay tuned.
>
> please try the attached patch.

Hi Markus

Make clean'ed, Patch applied cleanly, no errors, configured and built ok. 
Runs ok with no errors, but only top 2 lines display correctly :(

Module is one of these:

http://www.ebay.co.uk/itm/170747019967?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649

Looks like this:

http://imgur.com/avmQ981

LCDd.conf includes:

[server]
DriverPath=/usr/local/lib/lcdproc/
Driver=hd44780
Bind=127.0.0.1
Port=13666
ReportLevel=3
ReportToSyslog=yes
User=nobody
WaitTime=5
ToggleRotateKey=Enter
PrevScreenKey=Left
NextScreenKey=Right

[hd44780]
ConnectionType=raspberrypi
Keypad=no
Backlight=no
OutputPort=no
Size=40x4
CharMap=hd44780_default
DelayBus=true
KeyMatrix_4_1=Enter
KeyMatrix_4_2=Up
KeyMatrix_4_3=Down
KeyMatrix_4_4=Escape

Any ideas?

Thanks very much
Kev

-- 
Kevin Walton
Mobile: 07867 825 847
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