Only switch between "no fly" and "desaturation" in case there is desaturation time left: In previous versions a switch between the times were performed even desaturation time were 0 causing an empty field (nothing) to be displayed. In that case the remaining no fly time is shown Development option only: Show Pressure update for a short time in the custom field (as warning)

Imported from Ac6/SystemWorkbench/plugins/fr.ac6.mcu.firmware_1.14.7.201711101414/resources/builtin/:
* File syscalls.c