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Appendix D. Updating Device Firmware
TeleGPS is programmed directly over its USB connectors.
You may wish to begin by ensuring you have current firmware images. These are distributed as part of
the TeleGPS software bundle that also includes the TeleGPS ground station program. Newer ground
station versions typically work fine with older firmware versions, so you don’t need to update your
devices just to try out new software features. You can always download the most recent version from
http://www.altusmetrum.org/AltOS/
D.1. Updating TeleGPS Firmware
1. Attach a battery and power switch to the target device. Power up the device.
2. Using a Micro USB cable, connect the target device to your computer’s USB socket.
3. Run TeleGPS, and select
Flash Device
from the Device menu.
4. Select the target device in the Device Selection dialog.
5. Select the image you want to flash to the device, which should have a name in the form <product>-
v<product-version>-<software-version>.ihx, such as TeleGPS-v1.0-1.4.0.ihx.
6. Make sure the configuration parameters are reasonable looking. If the serial number and/or RF
configuration values aren’t right, you’ll need to change them.
7. Hit the
OK
button and the software should proceed to flash the device with new firmware, showing a
progress bar.
8. Verify that the device is working by using the 'Configure Device item to check over the configuration.
