Custom data field to display average speed on current lap in percent of MAS (Maximum Aerobic Speed, or vVO2max, or VMA). https://fr.wikipedia.org/wiki/Vitesse_maximale_a%C3%A9robie
This data field calculates each second the average speed in the current lap and display it. To get a better result, the first 3s, while you're accelerating, is skipped.
More custom data fields are available on garmin store:
- Instant %MAS
- Last lap %MAS
Data field type application don't have access to picker widget: you can't set your MAS from the device. The MAS variable is defined as setting (xml files) and can be changed on the garmin express software:
How to set your MAS:
- Go to Garmin Express and sync to install the field
- Click the 'IQ App' section
- Scroll to the field and click then '...' icon
- Set your MAS. Use comma as separator.
- Go back to main page and sync.
Follow garmin setup for eclipse and Connect IQ plugin: https://developer.garmin.com/connect-iq/sdk/
Click Run Configuration and create a configuration for your device (supported devices list is stored in manifest.xml. Then launch the app using this configuration.
Launch the app in debug mode. The app will pause automatically before starting. Put a breakpoint and resume execution.
Use Connect IQ/Build for device wizard tool. You need a personal secret developer key that you can generate in the Connect IQ/compiler section in Eclipse preferences. Uncheck Build release version and check Include debug XML to get meaningfull logs.
The application is compiled into a prg and debug.xml files. Copy those files into the /GARMIN/APPS/ directory of the device.