[lcdproc] New function (getinfo) and getting data

[David Douthitt]

I have created a new function (getinfo) for getting information back
from the display.  However, I have a problem in trying to read data.

I'm using a Matrix Orbital LKD202-25 display, and I'm trying to do this:

1. Write the command character ('\x0FE') then a "5" to the display
2. Read data coming back from the display.

Nothing I do seems to return any data.  I can get data if I don't have
LCDd running and use minicom to read it.

In one case I'm using a select with a 5 second timeout; in the other I'm
doing a write() followed by a read().  Nothing returns any data; what am
I doing wrong?

getkey works fine.  Everything else about the new function (getinfo)
works fine.  I just can't read any data.

Also, what is the "base" driver (drv_base.c) for?  It doesn't seem to
provide any useful function...


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