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w/o
TREK-303H
w/ TREK-303H
*Doesn't support S1, S3, S4
4.4
Dead reckoning
We will need a 3-axis accelerometer that our software can talk to.
We use this to characterize driver behavior such as hard
accelerations, braking, and cornering. This also can tell us other
significant information that can be used in accident reconstruction,
etc... This one of the crucial items that we asked for in our
specification and our customers' expectations are making this a
definite must have in our system. We won't be needing any dead
reckoning functionality at this point in time... this is something we
may want to include in the future but in order to get cost down we
have decided to forgo this at this time. Please confirm that we will
have access to this or another accelerometer.
4.5
G- sensor
We currently, we don't have documents about G-sensor, but a code
example is ready for customer reference. This code example ONLY
introduces how to access the G-sensor under Windows XP/XPe, but
users must control the G-sensor and develop their SW application by
themselves. Therefore, customer can decide how to set the
sensitivity value when to trigger G-sensor to send signal to CPU and
to back end server through WWAN module. G-sensor is located on
the motherboard inside the TREK-674. Please refer the link
(http://www.analog.com/static/imported-files/data_sheets/ADXL345.
pdf) for the G-sensor datasheet.
TREK V3 GSensor Sample Code
TREK V3 GSensor Sample Code is demonstration of reading GSensor
status.
System Menu
TREK V3 GSensor Sample Code as below figure
46
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Idle Mode
100% Burn-in Test
12V / 1.04A
12V / 1.20A
12V / 1.51A
12V / 1.94A
Mode
Off mode (S5)
12V / 1.75mA
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