def Update():
global detcRun
global chosenCam
global detcMethod
global lastAccess
global detcThread
global preparedYet
global failTimeout
global memoryTimeout
global keepWebcamOpen
# TODO: Recognize multiple people?
if MASM.hasDataCheck("FDAR_KEEPOPEN", bool):
newKeepOpen = MASM.hasDataValue("FDAR_KEEPOPEN")
if lastAccess:
if keepWebcamOpen and not newKeepOpen and not Facer.camOff():
print("Camera failed to close?")
elif not keepWebcamOpen and newKeepOpen:
if not Facer.camOn():
print("Camera failed to open")
MASM.sendData("FDAR_FAILURE")
else:
Facer.camFrame() # Turn on light
MASM.sendData("FDAR_CAMON")
keepWebcamOpen = newKeepOpen
if MASM.hasDataCheck("FDAR_SETTIMEOUT", int):
if (newVal := MASM.hasDataValue("FDAR_SETTIMEOUT", 0)) > 0:
failTimeout = newVal
def recognizeKnown():
global threshold
global detcMethod
global preparedYet
global methodSwitch
if not preparedYet:
print("Tried to recognize before data is prepared")
raise DataNotPrepared
else:
try:
Facer.camClearBuffer()
frame = Facer.camFrame(minLightLevel=15)
except Facer.LightLevelLow:
raise
except Exception as e:
print(f"Capture frame exception: {e}")
MASM.sendData("FDAR_FAILURE")
return None
else:
try:
if detcMethod == 0:
methodSwitch = False
elif detcMethod == 1:
methodSwitch = True
elif detcMethod == 2:
methodSwitch = not methodSwitch
found, people = Facer.recognize_faces_lbph(
frame, threshold, methodSwitch)
except Exception as e:
print(f"LBPH recognizing exception: {e}")
#MASM.sendData("FDAR_FAILURE") # Disabled cuz hitting Python's nerve or something causing exception with random number, randomly. Works despite that
return None
else:
if found:
knownFound = []
for person in people:
if person[0] is None:
#print("Found someone")
#knownFound.append("FDAR_SOMEONE")
# raise the threshold slowly to recognize person eventually
if threshold < 0.8:
threshold += 0.05
else:
print(f"Found {person[0]}")
knownFound.append(person[0])
if threshold > 0.6: # Keep threshold somewhere around where person can be detected
threshold -= 0.06
return knownFound
else:
print("Found nobody")
return None
MASM.sendData("FDAR_FAILURE")
return None
method = MASM.hasDataValue("FDAR_DETECTIONMETHOD")
if method is not None:
if method == "HAAR":
detcMethod = 0
elif method == "DNN":
detcMethod = 1
elif method == "BOTH":
detcMethod = 2
if MASM.hasDataBool("FDAR_GETCAMS"):
if keepWebcamOpen:
Facer.camOff()
MASM.sendData("FDAR_CAMSLIST", Facer.getCams())
if keepWebcamOpen:
Facer.camOn()
Facer.camFrame()
if MASM.hasDataCheck("FDAR_SETCAM", int):
chosenCam = MASM.hasDataValue("FDAR_SETCAM", 0)
if MASM.hasDataBool("FDAR_TESTCAM"):
try:
if keepWebcamOpen:
Facer.camOff()
Facer.camOn(id=chosenCam)
Facer.camFrame()
else:
Facer.camOn(id=chosenCam)
Facer.camFrame()
time.sleep(3) # Yes, bad
Facer.camOff()