def update_ybound(self, event):
try:
y_max = int(self.max_tc.GetValue())
y_min = int(self.min_tc.GetValue())
if y_max < y_min:
y_min, y_max = y_max, y_min
self.set_ybound(lower=y_min, upper=y_max)
Utility.AlertMsg(u"设置成功")
except ValueError:
Utility.AlertError(u"输入异常: \"%s\" or \"%s\"" % (self.min_tc.GetValue(), self.max_tc.GetValue()))
def on_start(self, event):
if self.instrumentation:
interval = self.interval_spin.GetValue()
v_cali = self.v_calibration_spin.GetValue()
a_cali = self.a_calibration_spin.GetValue()
self.data = ChargeData(interval=interval,
instr=self.instrumentation,
v_cali=v_cali,
a_cali=a_cali)
self.ampe.start(interval=interval, data=self.data)
self.volt.start(interval=interval, data=self.data)
self.EnableCtrl(enable=False)
else:
Utility.AlertError(u"请先连接设备")
def on_connect(self, event):
obj = event.GetEventObject()
state = obj.GetLabel()
if state == u"连接":
port = self.port_choice.GetStringSelection()
if not port:
return False
try:
self.instrumentation = SerialInstrument(port)
self.port_choice.Disable()
obj.SetLabel(u"断开")
except pyvisa.errors.VisaIOError:
Utility.AlertError(u"连接失败")
else:
if self.instrumentation:
self.instrumentation.disconnect()
self.instrumentation = None
self.port_choice.Enable()
obj.SetLabel(u"连接")