class Bimorph(Device):
'''Bimorph HV Power Source'''
bank_no = C(EpicsSignal, ':BANK_NO_32.VAL')
step_size = C(EpicsSignal, ':U_STEP.VAL')
inc_bank = C(EpicsSignal, ':INCR_U_BANK_CMD.PROC')
dec_bank = C(EpicsSignal, ':DECR_U_BANK_CMD.PROC')
inc = C(EpicsSignal, ':INCR_U_CMD.A')
dec = C(EpicsSignal, ':DECR_U_CMD.A')
stop_ramp = C(EpicsSignal, ':STOP_RAMPS_BANK.PROC')
start_ramp = C(EpicsSignal, ':START_RAMPS_CMD.PROC')
format_number = C(EpicsSignal, ':FORMAT_NO_SP.VAL')
load_format = C(EpicsSignal, ':FORMAT_ACTIVE_SP.PROC')
all_target_voltages = C(EpicsSignalRO, ':U_ALL_TARGET_MON.VAL')
all_current_voltages = C(EpicsSignalRO, ':U_ALL_CURRENT_MON.VAL')
unit_status = C(EpicsSignalRO, ':UNIT_STATUS_MON.A')
channels = DDC(add_channels(range(0, 32)))
def step(self, bank, size, direction, start=False, wait=False):
self.bank_no.put(bank)
self.step_size.put(size)
if (direction == "inc"):
self.inc_bank.put(1)
else:
self.dec_bank.put(1)
if (start):
self.start()
if (wait):
self.wait()
def increment_bank(self, bank, size, start=False, wait=False):
''' Increments the target voltage in `size` Volts in the specified `bank`
Parameters:
-----------
bank : int
The number of the bank to be incremented
size : float
The amount of Volts to increment from the bank target value
start : bool
Determines if the ramp must start right after the increment. Defaults to False.
wait : bool
Determines if the code must wait until the ramp process finishes. Defaults to False.
'''
self.step(bank, size, "inc", start)
def decrement_bank(self, bank, size, start=False, wait=False):
''' Decrements the target voltage in `size` Volts in the specified `bank`
Parameters:
-----------
bank : int
The number of the bank to be decremented
size : float
The amount of Volts to decrement from the bank target value
start : bool
Determines if the ramp must start right after the decrement. Defaults to False.
wait : bool
Determines if the code must wait until the ramp process finishes. Defaults to False.
'''
self.step(bank, size, "dec", start)
def start(self):
''' Start the Ramping process on all channels '''
self.start_ramp.put(1)
def stop(self):
''' Stops the Ramping process on all channels '''
self.stop_ramp.put(1)
def is_ramping(self):
''' Returns wether the power supply is ramping or not '''
return (int(self.unit_status.get()) >> 30) == 1
def is_interlock_ok(self):
''' Returns the interlock state '''
st = int(self.unit_status.get())
return (st & 1) & ((st >> 1) & 1) == 1
def is_on(self):
''' Returns wether the Channels are ON or OFF '''
return (int(self.unit_status.get()) >> 29) == 1
def wait(self):
while self.is_ramping():
sleep(0.1)