class Controller:
state: AppState = AppState.INITIAL
camera: Camera
plc: PLC
read_plc: PLCInterface = PLCInterface()
write_plc: PLCWriteInterface = PLCWriteInterface(0)
tank: Tank = Tank()
frame: np.ndarray = np.zeros((640,480))
drain_model: TFModel = None
file_frame = None
result_list = []
final_result = False
analyse_counter = 0
last_request = 0
total_reads = 3
def __init__(self, is_picture=False):
self.start_time = datetime.now()
self.tank = Tank()
self.camera = Camera()
self.plc = PLC(self.camera.number)
self.is_picture = is_picture
if not is_picture:
self.camera.start()
self.model = TFModel(model_name='sticker')
def get_frame(self):
if self.is_picture:
self.frame = self.file_frame
else:
_, self.frame = self.camera.read()
def open_file(self, file):
self.frame = cv.imread(file)
self.file_frame = self.frame
def process(self):
self.tank.find(self.camera.number, self.frame, self.read_plc.partnumber)
self.write_plc.tank_found = self.tank.found
if self.tank.found:
self.tank.get_sticker_position(self.frame)
self.__predict_sticker()
if self.read_plc.drain_camera:
if self.drain_model == None:
self.drain_model = TFModel(model_name='drain')
self.tank.get_drain_ml(self.frame, self.drain_model)
def __predict_sticker(self):
for sticker in self.tank.stickers:
sticker.label_index, sticker.label = self.model.predict(sticker.image)
sticker.update_label_info()
def analyse(self) -> None:
self.__clear_plc()
sticker = Sticker()
status: Deviation = Deviation.NONE
qnt_stickers = len(self.tank.stickers)
if not self.tank.found:
print('Tank not Found')
status = Deviation.TANK_NOT_FOUND
if self.tank.check_drain and self.read_plc.drain_camera and (self.read_plc.drain_position != self.tank.drain_position):
print('Drain on Wrong Position')
status = Deviation.DRAIN_POSITION
if qnt_stickers > 1:
print('Found more stickers than needed')
status = Deviation.STICKER_QUANTITY
if qnt_stickers > 0 and not self.read_plc.sticker_camera:
print('Found more stickers than needed')
status = Deviation.STICKER_QUANTITY
if self.read_plc.sticker_camera and len(self.tank.stickers) == 0:
print('Sticker not found')
status = Deviation.STICKER_NOT_FOUND
if qnt_stickers:
sticker = self.tank.stickers[0]
if self.read_plc.sticker_camera and self.read_plc.sticker != sticker.label_char_index and qnt_stickers:
print('Wrong Label, expected:' + str(self.read_plc.sticker) + ', received: ' + str(sticker.label))
self.write_plc.inc_sticker = sticker.label_char_index
status = Deviation.STICKER_VALUE
if self.read_plc.sticker_camera and self.read_plc.sticker_angle != sticker.angle and qnt_stickers:
print('Wrong Label Angle, expected:' + str(self.read_plc.sticker_angle) + ', received: ' + str(sticker.angle))
self.write_plc.inc_angle = sticker.angle
status = Deviation.STICKER_ANGLE
if self.read_plc.sticker_camera and self.read_plc.sticker_position != sticker.quadrant and qnt_stickers:
print('Wrong Label Position, expected:' + str(self.read_plc.sticker_position) + ', received: ' + str(sticker.quadrant))
self.write_plc.position_inc_sticker = sticker.quadrant
status = Deviation.STICKER_POSITION
self.write_plc.cam_status = int(status)
self.analyse_counter = self.analyse_counter + 1
self.__get_final_result(status)
def __get_final_result(self, status: Deviation):
self.result_list.append(status)
print(self.result_list)
if len(self.result_list) >= self.total_reads:
if Counter(self.result_list).most_common()[0][0] == 1:
self.__job_done()
self.result_list.pop(0)
def __job_done(self):
self.final_result = True
self.write_plc.cam_status = Deviation.NONE
self.write_plc.job_status = JobStatus.DONE
self.write_plc.request_ack = False
def __clear_plc(self) -> None:
self.write_plc.position_inc_drain = 0
self.write_plc.position_inc_sticker = 0
self.write_plc.inc_sticker = 0
self.write_plc.inc_angle = 0
def check_skid(self):
if not self.tank.found and self.read_plc.skid == 0:
self.abort_job()
def abort_job(self):
self.__clear_plc()
self.write_plc.cam_status = Deviation.TANK_NOT_FOUND
self.write_plc.job_status = JobStatus.CANCELLED
def show(self) -> None:
frame = self.frame.copy()
if self.tank.found:
frame = draw_tank_center_axis(frame, self.tank)
frame = draw_tank_rectangle(frame, self.tank)
frame = draw_sticker(frame, self.camera, self.tank)
frame = draw_drain_ml(frame, self.tank)
frame = draw_roi_lines(frame, self.camera)
frame = draw_center_axis(frame, self.camera)
frame = draw_camera_info(frame, self.camera)
frame = draw_plc_status(frame, self.plc, self.read_plc, self.write_plc)
self.camera.show(frame)
def new_request(self):
return self.read_plc.request_number != self.last_request
def confirm_request(self) -> None:
print('New Job Request: ', self.read_plc.request_number)
print(f'SKID: {self.read_plc.skid}, POPID: {self.read_plc.popid}')
print(f'TANK: {self.read_plc.partnumber} PARAMETER: {self.read_plc.parameter}')
print(f'STICKER: {self.read_plc.sticker}, ANGLE: {self.read_plc.sticker_angle}, DRAIN: {self.read_plc.drain_position}')
self.last_request = self.read_plc.request_number
self.read_plc.read_request = False
self.write_plc.request_ack = True
self.write_plc.cam_status = Deviation.TANK_NOT_FOUND
self.write_plc.job_status = int(JobStatus.RUNNING)
self.final_result = False
self.analyse_counter = 0
self.result_list.clear()
sleep(1)
def get_command(self) -> None:
key = cv.waitKey(1) & 0xFF
key_pressed(key, self.camera, self.tank)
if key == ord('n'):
self.__get_fake_parameters()
elif key == ord('o'):
self.__job_done()
elif key == ord('i'):
self.__print_plc_values()
def send_command(self, key) -> None:
key_pressed(key, self.camera, self.tank)
def start_plc(self) -> None:
logger.info('Starting PLC Thread')
self.plc.connect()
self.write_plc = PLCWriteInterface(self.plc.db_write['size'])
Thread(name='thread_plc', target=self.update_plc, daemon=True).start()
def update_plc(self) -> None:
last_life_beat = -1
while self.plc.enabled:
read_data = self.plc.read()
self.read_plc.update(read_data)
if self.read_plc.life_beat == last_life_beat:
logger.error('PLC is not responding... Trying to reconnect')
self.plc.disconnect()
sleep(5)
self.plc.connect()
else:
last_life_beat = self.read_plc.life_beat
self.write_plc.update_life_beat()
_bytearray = self.write_plc.get_bytearray()
self.plc.write(_bytearray)
sleep(self.plc.update_time)
else:
logger.warning('PLC is not Enabled')
def set_state(self, state: AppState) -> None:
logger.info(f'Updating state to: {state}')
self.state = state
def save_result(self) -> None:
try:
now = datetime.now()
path = f'../results/{now.year}/{now.month}/{now.day}/{self.read_plc.popid}'
Path(path).mkdir(parents=True, exist_ok=True)
file = f'{path}/{now.strftime("%H%M%S")}_{self.read_plc.partnumber}.jpg'
logger.info(f'Saving results to {path}')
cv.imwrite(file, self.frame)
results_logger.info(f'{self.read_plc.popid} - {self.read_plc.partnumber} - {self.read_plc.parameter}')
except Exception as e:
logger.exception(e)
def __print_plc_values(self) -> None:
print('PLC READ:')
print(self.read_plc.__dict__)
print('\nPLC WRITE:')
print(self.write_plc.__dict__)
def __get_fake_parameters(self) -> None:
self.read_plc.read_request = True
self.read_plc.sticker = 1
self.read_plc.sticker_angle = 2
self.read_plc.sticker_position = 4
self.read_plc.drain_position = 0
