Page 190 - 2020학년도 MDP과제발표회 자료집 (통신과) (3)
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o 카메라 녹화
def callback_cam(pin):# 카메라 녹화 변수
global camFlag,camera
if(not camFlag):
camera.start_preview()
camera.start_recording('/home/pi/Desktop/Video/'+datetime.now().strftime
("%Y_%m_%d-%H_%M_%S")+'.h264')
camFlag = True
else:
camera.stop_recording()
camera.stop_preview()
camFlag = False
buz_sound()
o 부저 울리기
def buz_sound():# 부저 울리는 함수
BUZ_PWM.ChangeFrequency(setBuz)
BUZ_PWM.ChangeDutyCycle(80)
sleep(0.2)
BUZ_PWM.ChangeDutyCycle(0)
sleep(0.05)
def BuzzerSelect():
global setBuz, RADIO_1
setBuz = RADIO_1.get()
Main_Text7.config(text="
{0}".format(buzPWM[setBuz]))
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