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document new state behaviours for OFF and CDU
author
ian
<ian>
Sat, 13 May 2006 00:37:44 +0000
(
00:37
+0000)
committer
ian
<ian>
Sat, 13 May 2006 00:37:44 +0000
(
00:37
+0000)
cebpic/README.protocol
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diff --git
a/cebpic/README.protocol
b/cebpic/README.protocol
index db21ad65eaa5b63690ce654c3b39acf0806174d2..df31395c25d08045bf0ff54cc05282694f8f2360 100644
(file)
--- a/
cebpic/README.protocol
+++ b/
cebpic/README.protocol
@@
-126,6
+126,11
@@
should be reenabled when the host transmits ON.
(User Fault indicator lit)
(User Fault indicator lit)
+If OFF is issued in the first 500ms following a short circuit, it will
+be ignored; if the short circuit persists, OFF during the following
+period will go to the `Track and CDU disabled' state without sending
+FIXED.
+
POINTS and CDU
--------------
POINTS and CDU
--------------
@@
-155,6
+160,10
@@
not check that the received P value is 0; they may simply assume it).
is recharging <----POINTED---- Point is changing
is recharging <----POINTED---- Point is changing
+Note that OFF will turn the CDU off, and a short circuit (FAULT) will
+turn it off 500ms later (this delay avoids losing races where the host
+sends a point change instruction just before a short happens).
+
PING and PONG
-------------
PING and PONG
-------------