CVS: examples/char_lcd README.txt,1.3,1.4
Chris Liechti <[email protected]>
| Newsgroups | gmane.comp.hardware.texas-instruments.msp430.gcc.cvs |
|---|---|
| Message-ID | <[email protected]> |
Update of /cvsroot/mspgcc/examples/char_lcd
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv1695/examples/char_lcd
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/char_lcd/README.txt,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -w -d -r1.3 -r1.4
--- README.txt 11 Jul 2003 00:49:14 -0000 1.3
+++ README.txt 26 Dec 2005 20:37:03 -0000 1.4
@@ -1,35 +1,44 @@
-whats this?
------------
-its a simple example project for the MSP430 series MCU and the GCC port
-of the mspgcc project. the project contains a makefile and uses assembler
-and C sources. it shows a clock on an character LCD.
+char_lcd
+========
-this example shows the following features:
- - how to use a character LCD.
- o download font with custom characters
- o it contains a reusable LCD C-module
+Overview
+--------
+This is a simple example project for the MSP430 series MCU and the GCC port
+of the mspgcc project. The project contains a makefile and uses assembler
+and C sources. It shows a clock on an character LCD.
- - how to use (wakeup) interrupts in C
- o sync foreground with interrupt by using the lowpower modes
+Features:
- - use uprintf to print formated strings and do a printf
+- How to use a character LCD.
+
+ - Download font with custom characters
+ - It contains a reusable LCD C-module
+
+- How to use (wakeup) interrupts in C
+
+ - Sync foreground with interrupt by using the lowpower modes
+
+- Use printf to print formated strings and do a printf
emulation that prints to the LCD.
- - using the Timer_A as realtime clock
+- Using the Timer_A as realtime clock
- - makefile
- o compile and link
- o convert to intel hex format
- o generate a listing with mixed C / assembly
+- Makefile
-required hardware
+ - Compile and link
+ - Convert to intel hex format
+ - Generate a listing with mixed C / assembly
+
+
+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
+ (e.g. a KS0066 16x2 type was used for developement).
+ Connections for a four bit interface (LCD->MSP)::
- - 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):
RS -> P1.1
R/W -> P1.2
E -> P1.3
@@ -37,18 +46,22 @@
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)
- - watch crystal 32.768kHz
+- Watch crystal 32.768kHz
- - 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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