From 10ab31fa86dbf9875b5f6baa6ac59fefaaf86be3 Mon Sep 17 00:00:00 2001 From: andreas 'randy' weinberger Date: Sun, 21 Feb 2010 19:58:27 +0100 Subject: initial git upload, based on graphlcd-base-0.1.5 --- docs/DRIVER.serdisp | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 docs/DRIVER.serdisp (limited to 'docs/DRIVER.serdisp') diff --git a/docs/DRIVER.serdisp b/docs/DRIVER.serdisp new file mode 100644 index 0000000..c3113d9 --- /dev/null +++ b/docs/DRIVER.serdisp @@ -0,0 +1,61 @@ +--------------------------------------------------------------------- +GraphLCD driver library + +The serdisp driver +--------------------------------------------------------------------- + +Description +----------- +The serdisp driver supports LC displays that are supported by +serdisplib (http://serdisplib.sourceforge.net). + + +Configuration Parameters +------------------------ +The serdisp driver supports the following parameters in config file: + +Controller + Select the controller your LCD uses named like in serdisplib. + Possible values: See README in serdisplib package + +Device + Instead of using the direct output via port address (see Port), you + can use the parport device (/dev/parportX). The advantage over the + direct output via port address is that this works for non-root users + also. But it's a little bit slower. The modules ppdev.o, parport.o + and parport_pc.o must be loaded or compiled into the kernel. + +Port + Sets the port address of the parallel port. If this parameter is not + given, 0x378 is used. To use this direct output, the program that + uses the driver library has to be started with user 'root'. + +Width + Sets the horizontal size of the display. If this parameter is not + given, a default value according to the selected controller is used. + +Height + Sets the vertical size of the display. If this parameter is not + given, a default value according to the selected controller is used. + +UpsideDown + Rotates the display output by 180 degrees. This might be useful, if + the LCD is mounted upside-down. + Possible values: 'yes', 'no' + Default value: 'no' + +Invert + Inverts the display. + Possible values: 'yes', 'no' + Default value: 'no' + +Contrast + Sets the contrast of your display. + Possible values: 0 <= x <= 10 + Default value: 5 + +Backlight + Switches the backlight of your display on and off. + Possible values: 'yes', 'no' + Default value: 'yes' + -- cgit v1.2.3