// Button 2 or PIR events initiate light measurement and tuns on green led
if (events & (1<<ev_btn2|1<<ev_pir1|1<<ev_pir2)) {
// Button 2 or PIR events initiate light measurement and tuns on green led
if (events & (1<<ev_btn2|1<<ev_pir1|1<<ev_pir2)) {