def write_ptl(self, ptl_number, val=1):
"""
method:write_ptl, params:ptl_1,ptl_2, station
"""
db_number, start, bit = get_addr(self.ptl_address[ptl_number])
# db_number,start,bit,val
res = self.plc_writer.write_bit(db_number, start, bit, val)
return res
def write_complete(self, station, val=1):
"""
method:complate, parmas:ST10
"""
db_number, start, bit = get_addr(
self.st_done[self.station_2_st_done[station]])
res = self.plc_writer.write_bit(db_number, start, bit, val)
return res
def test(self):
val = 0
for ptl_name in self.ptl_address:
db_number, start, bit = get_addr(self.ptl_address[ptl_name])
# db_number,start,bit,val
self.plc_writer.write_bit(db_number, start, bit, val)
time.sleep(0.1)
def write_rfid(self):
sn = struct.pack('8s', 'mabotech'.encode('utf8'))
db_number, start = get_addr(self.rfid_str['rfid_1'])
print(db_number, start)
result = self.checker_writer.write_rfid(db_number, start, sn)
print(result)
input()
res = self.checker_writer.write_complete('ST10')
print('write complete: ', res)
def read_rfid(self):
# db_number, start = get_addr(self.rfid_str['rfid_6'])
# print(db_number, start)
# result = self.reader.read(db_number=db_number, start=start, size=8)
# print(result)
# read rfid_sn
for item in self.rfid_str:
db_number, start = get_addr(self.rfid_str[item])
print(db_number, start)
result = self.reader.read(db_number=db_number, start=start, size=8)
print(item, result)
def test_ptl_done(self):
print('open ptl_1')
self.checker_writer.write_ptl('ptl_1')
print('oepned ptl_1 done')
addr = self.test_addr2['ptl_1']
db_number, start, bit = get_addr(addr)
while True:
db_value = self.reader.read(540, 0, 300)
print(db_number, start, bit)
print('get ptl_done_1 status', end=": ")
b = get_bit_value(db_value, start, bit)
print(b)
if b:
print('True-------')
self.checker_writer.write_ptl('ptl_1', val=0)
time.sleep(0.5)
db_value = self.reader.read(540, 0, 300)
print('ptl_1_done', db_number, start, bit, end="===")
b = get_bit_value(db_value, start, bit)
print(b)
break
time.sleep(1)
print('done!')
def run(self):
# states = self.get_states()
self.init()
while self.running:
db_value = None
count = 0
while self.running:
try:
db_value = self.reader.read(540, 0, 1400)
break
except Exception as e:
plc_logger.exception("plc read db_value error, wait 1s and go on!")
count += 1
if count >= 5:
plc_logger.error("read's count more than 5, the program will close, please check plc's network!")
self.running = False
return
time.sleep(1)
continue
# 遍历灯的状态
for item in self.ptl.keys():
addr = self.ptl[item]
db_number, start, bit = get_addr(addr)
b = get_bit_value(db_value, start, bit)
b = 1 if b else 0
if self.states[item] != b:
self.states[item] = b
data = '{"type": "state", "device": "%s", "value": %d, "station": "%s"}' % (item, b, self.device_2_station[item])
self.event_queue.put(data)
# 遍历取料的状态
for item in self.ptl_done.keys():
addr = self.ptl_done[item]
db_number, start, bit = get_addr(addr)
b = get_bit_value(db_value, start, bit)
if b:
# 1. close ptl
count = 0
while self.running:
try:
self.checker_writer.write_ptl(item, val=0)
break
except Exception as e:
plc_logger.exception("close ptl error")
count += 1
if count >= 5:
self.running = False
plc_logger.error("plc connection error, the program will close after 1s!")
time.sleep(1)
return
time.sleep(0.1)
# 遍历下一步按钮的状态
for item in self.next_cfm:
addr = self.next_cfm[item]
db_number, start, bit = get_addr(addr)
b = get_bit_value(db_value, start, bit)
b = 1 if b else 0
if self.states[item] != b:
if not b:
data = '{"type": "state", "device": "next", "value": 1, "station": "%s"}' % self.device_2_station[item]
self.event_queue.put(data)
plc_logger.info("pressed {}-next".format(item))
self.states[item] = b
# 遍历相机按下状态
for item in self.camera:
db_number, start, bit = get_addr(self.camera[item])
# print(db_number, start, bit)
b = get_bit_value(db_value, start, bit)
b = 1 if b else 0
if self.states[item] != b:
if b:
self.event_queue.put('{"type": "camera"}')
plc_logger.info("pressed camera")
else:
count = 0
while self.running:
try:
self.checker_writer.write_camera_done(val=0)
break
except Exception as e:
count += 1
plc_logger.exception("write camera done error!")
if count >= 5:
plc_logger.error("retry write camera done more than 5, the program wille close after 1s")
self.running = False
time.sleep(1)
return
time.sleep(0.1)
self.states[item] = b
time.sleep(0.1)
def write_done(self, val=0):
db_number, start, bit = get_addr(self.camera_done['camera_done'])
res = self.checker_writer.plc_writer.write_bit(db_number, start, bit, val)
print(res)
def write_camera_done(self, val=0):
db_number, start, bit = get_addr(self.camera_done['camera_done'])
return self.plc_writer.write_bit(db_number, start, bit, val)