def test_linear_sweep(self):
chan_command = "DE CH1, '{voltage_name}','{current_name}',1,1"
func_command = "VR1,1,5,1,0.01"
voltage_name = random_id(CurrentVoltage.VOLTAGE)
current_name = random_id(CurrentVoltage.CURRENT)
chan_command = chan_command.format(voltage_name = voltage_name,
current_name = current_name)
sweep_smu = SMUSweep(1, SourceMode.VOLTAGE, SourceType.VOLTAGE, 1, 5, 1, 0.01, SweepType.LINEAR, voltage_name,
current_name)
self.assertEqual(chan_command, sweep_smu._get_chan_cmd())
self.assertEqual(func_command, sweep_smu._get_var1_cmd())
def test_list_sweep(self):
chan_command = "DE CH2, '{voltage_name}','{current_name}',1,1"
func_command = "SS VL2,1,0.01,1,5,2,1,3,2,3,4,2"
voltage_name = random_id(CurrentVoltage.VOLTAGE)
current_name = random_id(CurrentVoltage.CURRENT)
chan_command = chan_command.format(voltage_name = voltage_name,
current_name = current_name)
sweep_values = [1,5,2,1,3,2,3,4,2] # List of values to sweep
compliance = 0.01 # Compliance
list_smu = SMUList(2, SourceMode.VOLTAGE, SourceType.VOLTAGE, sweep_values, compliance, SlaveMaster.MASTER,
voltage_name, current_name)
self.assertEqual(chan_command, list_smu._get_chan_cmd())
self.assertEqual(func_command, list_smu._get_sweep_cmd())
def test_constant(self):
chan_command = "DE CH2,'{voltage_name}','{current_name}',2,3"
func_command = "SS IC2,0.1,0.04"
current_name = random_id(CurrentVoltage.CURRENT)
voltage_name = random_id(CurrentVoltage.VOLTAGE)
chan_command = chan_command.format(voltage_name = voltage_name,
current_name = current_name)
ch = 2
output = 0.1
compliance = 0.04
constant_smu = SMUConstant(ch, SourceMode.CURRENT, SourceType.CURRENT, output, compliance, voltage_name,
current_name)
self.assertEqual(chan_command, constant_smu._get_chan_cmd())
self.assertEqual(func_command, constant_smu._get_const_cmd())
def test_step_sweep(self):
chan_command = "DE CH{ch_number},'{volt_name}','{curr_name}',2,2"
func_command = "SS IP {start},{step},{steps},{compliance}"
ch_number = 3
curr_name = random_id(CurrentVoltage.CURRENT)
volt_name = random_id(CurrentVoltage.VOLTAGE)
start = 0.01
step = 0.02
steps = 15
compliance = 0.01
chan_command = chan_command.format(ch_number=ch_number, curr_name=curr_name, volt_name=volt_name)
func_command = func_command.format(ch_number=ch_number, start=start, step=step, steps=steps, compliance=compliance)
step_smu = SMUStep(ch_number, SourceMode.CURRENT, SourceType.CURRENT, start, step, steps, compliance, volt_name,
curr_name)
self.assertEqual(chan_command, step_smu._get_chan_cmd())
self.assertEqual(func_command, step_smu._get_var2_cmd())
