[Lcd4linux-devel] SimpleLCD driver update

[OB <ja...@ni...>]

Hello, i'm the writer of the SimpleLCD driver.

I wrote this simple driver primarily for serial link test, but also for
an unknown 2x20 serial VFD display I have.

It occurs that my display look very much alike the 
"WincorNixdorf Serial Cashier Displays BA63/BA66" that has been
mentioned on the wiki, ticket #2.

( I can take-over this ticket if you want michael)

After downlowding the doc and wandering a little bit I found out that my
display accept the vt-100 ESC-* code mentionned in the doc, in addition
to the normal ascii set I'm using.

So first of all, I would try the BA63 with this driver (the current CVS
version does not include vt-100 codes yet, but its works for me as it is
now)
My config-file section related to SimpleLCD for this display look like
this : 

Display SimpleLCD {
    Driver 'SimpleLCD'
    Port '/dev/ttyS0'
    Speed 9600
    # The following is to enable Odd parity on the port.
    Options 0001400
    # Not used yet - the ascii value of a black rect in decimal
    BarCharValue 219
    # Not used yet - if the display support ESC-* control sequences.
    VT100_Support 1
    Size '20x2'
}

[...]

Layout L20x2 {
    Row1 {
        Col1  'Temp' 
        Col11 'Fan'
    }
    Row2 {
        Col1 'Xmms'
    }
}


The display is slow, so I recommend putting slow-moving value on top and
fast-moving values on the last line, otherwise it flickers and it's
ugly.

I'm working on the ESC-* control sequence to improve that, *but* when I
start using them, I run into weird timing issues and sometime the LCD
just ignore my commands and then write wherever it wants !

Besides, I also want to keep the Simple mode (without esc-codes) for
other applications.

I also plan to add bar support for it, all al that soon.

Voila !

Julien