26 Access Sensor Technologies UPAS User Guide
Updating / Flashing the UPAS Firmware
1 Connect the UPAS to any computer (Mac or PC) via a USB cable (standard
USB A connector on the PC end and a micro USB connector on the UPAS
end). Leave the UPAS connected to the computer. A folder should appear
in your computer’s explorer tree named DAPLINK.
Ensure that the USB cable supports data transfer. If the cable doesn’t work, try
a different cable.
2 Drag the firmware file into the 'DAPLINK' folder, approve all security pop up
messages, and watch the progress bar complete in 10 to 15 seconds
showing the UPAS received the code. The folder should disappear out of
the tree as the UPAS shuts down, and reappear as it restarts.
3 Disconnect the UPAS from the computer by removing the USB cable.
4 Turn the UPAS off, and back on to activate the new firmware.
Optionally, you may initiate a short, arbitrary test sample run to verify the
firmware version is on the Sampler and that there are no other problems. Note
the firmware version in the log file header.
Firmware Release Notes, Installation Procedure for UPAS v2 Sampler
The current UPAS firmware release is known as 'rev102', and is available in the
file: UPAS_v2_0-rev102-L152RE_20180510_mbed116.bin.
The following instructions are comprehensive and guides you in updating the
UPAS v2 firmware from any prior version to rev102. Note that the instructions
may guide you to skip some steps depending on how your UPAS is responding.
Note also that this update procedure includes 'one-time-only' steps not needed
in subsequent (future) firmware updates beyond rev102.
Preparation for the firmware Update
Prepare files and devices for the firmware update.
1 Before updating the UPAS firmware, ensure that all mobile devices
involved have version 2.1.5 of the App installed. If not, update the App on
each mobile device via Google Play for an Android device, or Apple Store
for an Apple device.
2 Important: If you are using an Android mobile device (ignore this step if
using an Apple/iOS mobile device), ensure that your mobile device is paired
with each UPAS (or, simply pair to any unpaired device as you go).
3 Access any Windows or Mac computer or tablet with one or more USB
ports (mobile devices are not presently compatible to the actual firmware
transfer).
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