This method wakes up GPS controller while in power saving mode. It is equivalent to the AT$GPSWK command.
It has no input parameter.
The return value is a Python integer which is -1 if an error occurred otherwise is 1.
TeseoII-based GNSS receiver currently does not support power saving.
This method is available only for product versions from 12.00.xx6 and from 13.00.xx7.
Example:
res = GPS.powerSavingWakeUp()
wakes up GPS controller while in power saving, assigning the return value to res.