class Window(QtWidgets.QWidget):
def __init__(self):
super().__init__()
# self.init_ui()
# def init_ui(self):
self.b = QtWidgets.QPushButton('Push me')
self.l = QtWidgets.QLabel('I have not been clicked yet')
self.m = Motor('16test:m9')
h_box = QtWidgets.QHBoxLayout()
h_box.addStretch()
h_box.addWidget(self.l)
h_box.addStretch()
v_box = QtWidgets.QVBoxLayout()
v_box.addWidget(self.b)
v_box.addLayout(h_box)
self.setLayout(v_box)
self.setWindowTitle('PyQt5 Lesson 5')
self.b.clicked.connect(self.btn_click)
self.show()
def btn_click(self):
text = str(self.m.get('RBV'))
self.l.setText(text)
def connectMotor(self, name, axis):
"""
Connect with the epics PV using the prefix name and axis number of PV.
"""
while True:
try:
print("Epics Motor Name: {}".format(str(name) + str(axis)))
motorHW = Motor(str(name) + str(axis))
deviceType = motorHW.get('device_type', as_string=True)
if deviceType == 'asynMotor':
print("Epics Motor {} Connected ".format(motorHW))
return motorHW
break
except epics.motor.MotorException:
print("MotorException, check the Epics Motor. ")
raise
def check_motor_state(self, motorName):
"""check a epics motor state"""
list_result = {
1: "DIRECTION: last raw direction; (0:Negative, 1:Positive)",
2: "DONE: motion is complete.",
3: "PLUS_LS: plus limit switch has been hit.",
4: "HOMELS: state of the home limit switch. ",
5: "Unused",
6: "POSITION: closed-loop position control is enabled. ",
7: "SLIP_STALL: Slip/Stall detected (eg. fatal following error",
8: "HOME: if at home position. ",
9: "DIRECTION: last raw direction; (0:Negative, 1:Positive)",
10: "PROBLEM: driver stopped polling, or hardware problem ",
11: "MOVING: non-zero velocity present. ",
12: "GAIN_SUPPORT: motor supports closed-loop position control. ",
13: "DIRECTION: last raw direction; (0:Negative, 1:Positive",
14: "MINUS_LS: minus limit switch has been hit. ",
15: "HOMED: the motor has been homed."
}
epics_motor = Motor(str(motorName))
stateID = epics_motor.get("MSTA")
self.output("Epics motor {} state: {}".format(motorName, stateID))
stateID_binary_conversion = bin(int(stateID))
#self.output(str(stateID_binary_conversion))
state_conversion = str(stateID_binary_conversion)[2:]
#self.output(str(state_conversion))
state_converse = state_conversion[::-1]
#self.output(state_converse)
list_state1 = []
count = 0
for each_char in state_converse:
count += 1
self.output('Bit {}: {} >>> {}'.format(count, each_char,
list_result[count]))
if each_char == str(1):
list_state1.append(count)
#self.output(list_state1)
self.output("\nProblem Diagnosis:\n ")
if list_state1:
for i in list_state1:
self.output("Bit {}: 1 >>> {} ".format(i, list_result[i]))
else:
self.output("None")
