factor out init/deinit
factor out init/deinit

bentley/ems-flasher2,chastai/ems-flasher-multi,Drenn1/ems-flasher,Wookie/ems-flasher,zarkone/ems-flasher,mikeryan/ems-flasher,mikeryan/ems-flasher,gheja/ems-flasher,deathowl/ems-flasher,chastai/ems-flasher-multi,chastai/ems-flasher,chastai/ems-flasher