diff -r 10a6882c7671 -r ad265e50178c router-screen.html --- a/router-screen.html Thu May 27 18:53:10 2010 +0100 +++ b/router-screen.html Fri May 28 13:40:58 2010 +0100 @@ -11,9 +11,25 @@

Village DTN Router - Hardware User Interface

stephen.farrell@cs.tcd.ie, 2010-05-27

stephen.farrell@cs.tcd.ie, 2010-05-28

This document describes the external user interface of the village DTN + + + + + + + +
+
Home
+ +
Contact, Privacy, security etc., +English, Swenska, Saami, Deutsche
+
+ + +

This page describes the external user interface of the village DTN router box. That is: how to interpret the contents displayed on the screen and how to turn the device on and off safely.

@@ -38,21 +54,39 @@ particular, the filesystems - such an error would be the equivalent of a hard-disk failure in a laptop.

+ + + + + + + + + + +
+ +

-Figure 2 shows the ON/OFF switch in the "ON" position. +Figure 2: the ON/OFF switch in the "ON" position.
-
+
+ +

-Figure 3 shows the ON/OFF switch in the "OFF" position. +Figure 3: the ON/OFF switch in the "OFF" position.
-
+
+ +

-Figure 4 shows a user switching the device to the "ON" position. +Figure 4: a user switching the device to the "ON" position.
+
+

That's all nice and simple so far, but its gets a little more complicated when we need to understand how the device manages power, which is, of course, in short supply in Padjelanta!

@@ -168,6 +202,13 @@ N/A + +SLEEP +Sleep from 22:00 to 06:00 +Just like everyone else, these nodes need to have a snooze at night +N/A + + @@ -183,6 +224,8 @@ the various fields on the screen. Example messages are described below.

Note that the screeen is only ever updated once per minute.

+ @@ -203,7 +246,6 @@ on and this being displayed, one can see that the screen has power, but nothing is displayed.

Note that the screeen is only updated once every minute.

@@ -228,7 +270,9 @@ state (lower left), the Voltage level (in millivolts) on the top left, the current being drawn in milli-Amps (as a negative number) or the current being received from the solar panels (positive numbers) in -the top-middle, and the current local time on the top right.

+the top-middle, and the current local time on the top right. In +this case, the battery level is 11.64V and the node is drawing +0.376 Amps from the battery.

@@ -259,8 +303,8 @@ @@ -276,31 +320,8 @@

OVERRIDE State
-V:1164 -	A:-376 +V:1148 +	A:1513	14:03

The STANDBY-SHORT state display is as for the UP state, but with the time scheduled for the next reboot displayed -in the bottom right.

- - - - - - - - - - - -

STANDBY-LONG State
-V:1164 -	A:-376 -	14:03 -
-STBYLONG -	-	-Wake@17:33 -

The STANDBY-LONG state display is as for the UP state, but with the -time scheduled for the next reboot displayed -in the bottom right.

+in the bottom right. In this case, the node is charging, receiving +1.512Amps.

@@ -309,7 +330,7 @@ @@ -328,25 +349,29 @@

SLEEP State
V:1164	A:-376 -	14:03 +	23:03

- + + + - - -

Power Management Error
+V:1189 +	A:-376 +	14:03 +
Voltage Spike
-Power App Restart -

This screen is displayed in the case of a power management -error. The error message may vary. Users should leave the +error where the voltage has changed too quickly to represent +a reliable measurement. The error message may vary. Users should leave the device alone for at least 30 minutes if this is displayed. After that, if the device is not in one of the other known -states, they should turn the device on and off and then +states, they should turn the device off, wait 10 seconds, +then turn the device back on and leave it on, and report the problem (if possible).