CVS: examples/pc_keyboard README.txt,1.2,1.3
Chris Liechti <[email protected]>
| Newsgroups | gmane.comp.hardware.texas-instruments.msp430.gcc.cvs |
|---|---|
| Message-ID | <[email protected]> |
Update of /cvsroot/mspgcc/examples/pc_keyboard
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv1695/examples/pc_keyboard
Modified Files:
README.txt
Log Message:
- consistently name the files README.txt (with extension for the windows users)
- update some of the readmes contents and add new ones
- use the reStructuredText format for use with docutils rst2html
Index: README.txt
===================================================================
RCS file: /cvsroot/mspgcc/examples/pc_keyboard/README.txt,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -w -d -r1.2 -r1.3
--- README.txt 11 Jul 2003 00:49:14 -0000 1.2
+++ README.txt 26 Dec 2005 20:37:03 -0000 1.3
@@ -1,21 +1,25 @@
-whats this?
------------
-this one is capturing keys from a standard at keyboard and displays the
-characters on an LCD. the caps key toggles the keyboard LEDs.
+py_keyboard
+===========
-this one isn't running that smoth yet. if anyone gets it running better
+Overview
+--------
+This one is capturing keys from a standard at keyboard and displays the
+characters on an LCD. The caps key toggles the keyboard LEDs.
+
+This one isn't running that smoth yet. If anyone gets it running better
please let us know!
-look here too: http://www.beyondlogic.org/keyboard/keybrd.htm
+Look here too: http://www.beyondlogic.org/keyboard/keybrd.htm
-required hardware
+Required hardware
-----------------
- - a MSP430F1121 or larger device (any from the F1x series)
+- A MSP430F1121 or larger device (any from the F1x series)
- - any character type display with a HD44780 controler or compatible
+- Any character type display with a HD44780 controler or compatible
(e.g. a KS0066 16x2 type was used for developement)
- connections for a four bit interface (LCD->MSP):
+ connections for a four bit interface (LCD->MSP)::
+
RS -> P1.1
R/W -> P1.2
E -> P1.3
@@ -23,21 +27,25 @@
D5 -> P1.5
D6 -> P1.6
D7 -> P1.7
- many LCD controllers run from 3 volts, but the display requires a
- voltage difference of more than 3 volts for the contrast. this means
+
+ Many LCD controllers run from 3 volts, but the display requires a
+ voltage difference of more than 3 volts for the contrast. This means
a negative voltage is needed on the contrast pin (usualy named VEE or
VO)
- - a keyboard that runs from 3 volts (maybe many of the newer ones do)
+- A keyboard that runs from 3 volts (maybe many of the newer ones do)
two pull-up resistors 20k and i sugest a series resistor of 1k in the
clock and data line. connect the data line to P2.0 and the clock line
to P2.1. signal-5 pin DIN: VCC-5 CLK-1 DAT-2 GND-4
- - optionaly a LED on P2.5 (470 Ohms series resistor to GND)
+- Optionaly a LED on P2.5 (470 Ohms series resistor to GND)
-disclaimer
+
+Disclaimer
----------
-this example is part of the mspgcc project http://mspgcc.sf.net
-see license.txt for details.
+This example is part of the mspgcc project http://mspgcc.sf.net.
+See license.txt_ for details.
chris
\ No newline at end of file
+
+.. _license.txt: ../license.html
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