Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32W108/GPIOA/GPIOA_BSR#0x0
Port A bit set register
BS0
BS1
BS2
BS3
BS4
BS5
BS6
BS7
https://github.com/cmsis-svd/cmsis-svd-data