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added Ekkehard Kraemer's documentation update to the winamp wiring scheme.

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marschap
2005-05-13 21:54:53 +00:00
parent d2e6100f28
commit a7bcc05d03
1 changed files with 24 additions and 3 deletions
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docs/lcdproc-user/drivers/hd44780.docbook
+24 -3
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@@ -441,7 +441,7 @@ This is originally based on "lcdtext" (by Matthias Prinke).
</row>
<row>
<entry>D5 (7)</entry>
<entry>RW (5) (LCD3 - 6) (optional - pull all LCD RW low)</entry>
<entry>RW (5) (LCD3 - 6) (optional - pull all LCD RW low (*) )</entry>
</row>
<row>
<entry>D6 (8)</entry>
@@ -455,6 +455,13 @@ This is originally based on "lcdtext" (by Matthias Prinke).
</tgroup>
</table>
<para>
(*) on the RW line of the display: this line decides whether the display receives data from the
LPT port, or whether it sends data to the LPT port. If grounded, it receives. If High or connected
to nothing at all, it "sends" (i.e., will not work as intended). So, if you are not sure that
you need it otherwise, then connect it to GND. This certainly applies if you have only one display.
</para>
<para>
If you want to connect more than two displays to the parallel port then
wire D5 (pin 7) to the enable line (pin 6) of the third LCD. Then for
@@ -602,7 +609,7 @@ This type of connection should work with winamp.
D6 (8) D6 (13)
D7 (9) D7 (14)
nSTRB (1) EN (6)
nLF (14) nRW (5) (EN3 6 - LCD 3) (optional)
nLF (14) nRW (5) (EN3 6 - LCD 3) (optional (*) )
INIT (16) RS (4)
nSEL (17) EN2 (6 - LCD 2) (optional)
@@ -610,6 +617,13 @@ This type of connection should work with winamp.
</screen>
</figure>
<para>
(*) on the RW line of the display: this line decides whether the display receives data from the
LPT port, or whether it sends data to the LPT port. If grounded, it receives. If High or connected
to nothing at all, it "sends" (i.e., will not work as intended). So, if you are not sure that
you need it otherwise, then connect it to GND. This certainly applies if you have only one display.
</para>
<para>
If you want the display to work with the Winamp plugin, wire nLF (pin 14)
to nRW of your LCD. You can then use the plugin in bidirectional mode (wich
@@ -700,13 +714,20 @@ The LCD connections are:
D7 (9) D7 (14)
nSEL (17) -
nSTRB (1) RS (4)
nLF (14) RW (5) (LCD2 - 6) (optional - pull all LCD RW low)
nLF (14) RW (5) (LCD2 - 6) (optional - pull all LCD RW low (*))
INIT (16) EN (6)
]]>
</screen>
</figure>
<para>
(*) on the RW line of the display: this line decides whether the display receives data from the
LPT port, or whether it sends data to the LPT port. If grounded, it receives. If High or connected
to nothing at all, it "sends" (i.e., will not work as intended). So, if you are not sure that
you need it otherwise, then connect it to GND. This certainly applies if you have only one display.
</para>
<para>
See the lcdtime tar-ball (above) for full details of the bargraph
connections.