MMA865xFC Sensor Toolbox User’s Guide, Rev. 0
Freescale Semiconductor, Inc.
21
4.5
Graphical Datalogger application
This application generates a data log from the accelerometer and enables you to export it to a text file
(.csv). This enables you to evaluate the device’s default settings and any of your modifications, and to
tailor the datalogger to your data-collection needs.
4.5.1
Main screen
The Main screen selects the data to be logged, and includes a drop-down menu for saving that data to a file.
Table 4. Graphical Datalogger – Main screen
Element
Description
File
drop-down menu
Select File > Save to save the graph’s
currently displayed data to a file at your
specified location.
The data is saved as a Comma-Separated Values (*.csv)
file, which can be viewed with any text-based or
spreadsheet application.
Select File > New to discard all of the
previous data points.
Registers
Opens the Registers section.
Acceleration
graph
Displays the data acquired by the
accelerometer.
The data is acceleration (g value or counts) vs. time
(seconds).
Start/Stop a New
Datalog button
Starts logging the data acquired by the accelerometer and displays it in the graph.
• To start the datalog, click the button (or use keyboard shortcut ctrl+N).
The same button turns into "Stop current Datalog".
• To stop the datalog, click the button.
Two additional screens can be
displayed from the Main screen: the
Configuration and Registers
screens.
•
To access the Registers
screen, click the Registers
button.
•
To access the
Configuration screen, point
the mouse at the bottom of
the screen.