Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32l4/STM32L412/LPTIM1/CR#0x0
Control Register
LPTIM Enable
LPTIM start in single mode
Timer start in continuous mode
COUNTRST
RSTARE
https://github.com/modm-io/cmsis-svd-stm32