def on_btn_pause_clicked(self):
printlog('btn_pause click')
if self.btn_pause.text() == '继续' or self.btn_pause.text() == '开始':
self.timer.start(port_time * 10)
self.port_worker.pause = False
self.btn_pause.setText("暂停")
else:
self.timer.stop()
self.port_worker.pause = True
self.btn_pause.setText("继续")
def get_data_from_interface(self):
if not self.ser.is_open:
printlog('端口开启')
self.ser.open() # enable port
else:
printlog('端口已经开启')
while True:
line_str = self.ser.readline()
# print(line_str)
yield line_str
def cbb_port_init(self):
'''
init of combobox (select port)
:return:
'''
self.cbb_group.setEnabled(False)
# data
self.cbb_port.clear()
# for i in range(self.cbb_port.count() + 1):
# print(i)
# print(self.cbb_port.removeItem(i))
self.port_list = list(serial.tools.list_ports.comports())
printlog('串口列表：%s' % self.port_list)
if len(self.port_list) != 0:
for port in self.port_list:
self.cbb_port.addItem(port.__str__())
def update(self):
# get data from queue and show it
# get data
printlog('主线程开始收数据')
current_data = self.phone_queue.receive_message()
if current_data:
data_1, data_2 = current_data
printlog('主线程收到数据：%s,%s' % (data_1, data_2))
self.x_data.append(data_1)
self.y_data.append(data_2)
# printlog('x_data:%s' % self.x_data)
# printlog('y_data:%s' % self.y_data)
self.curve.setData(self.x_data, self.y_data)
def run(self):
# open port
with PortManager(self.port_num) as pm:
source_data = pm.get_data_from_interface()
i = 0
# open excel
with ExcelOperation() as eo:
for d in source_data:
# print('串口传来的原始数据：%s\n其长度为：%s' % (d, len(d)))
if len(d) >= 53:
# try:
# print('读一行数据：%s' % d.decode('utf-8'))
#
# except Exception as ex:
# print("读取出错：%s" % ex)
if self.working:
s = d.decode('utf-8')
search = re.match(
r'air pressure:(.*)\s*force:(.*)\s*displacement:(.*)\s*',
s, re.M | re.I)
if search:
save_data = '%s %s %s' % (search.group(1),
search.group(2),
search.group(3))
# print(save_data)
printlog('get data from port:%s' % save_data)
# save data into excel
eo.write_data(save_data)
# i++
i += 1
# if not pause return data or ''
if not self.pause and i >= 10:
i = 0
self.paint_queue.send_message(save_data)
else:
printlog('break')
break
def getdata(self):
if self.type == 1:
printlog('air_pressure,force')
return self.air_pressure, self.force
elif self.type == 2:
printlog('displacement,force')
return self.displacement, self.force
elif self.type == 3:
printlog('air_pressure,displacement')
return self.air_pressure, self.displacement
else:
return 0, 0
def port_check(self):
printlog('端口检测')
if len(self.port_list) != len(list(
serial.tools.list_ports.comports())):
self.cbb_port_init()
def on_btn_clear_paint_clicked(self):
printlog('on_btn_clear_paint_clicked')
self.x_data.clear()
self.y_data.clear()
self.curve.setData(self.x_data, self.y_data)
QApplication.processEvents()
def on_btn_refresh_port_clicked(self):
printlog('on_btn_refresh_port_clicked')
self.cbb_port_init()
