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 do_measure(ip, port):
chan = 1
start = 10
stop = 100
step = 1
compliance = 0.005
print ("Channel: %s" % chan)
print "Start: %s" % start
print "Stop: %s" % stop
print "Step: %s" % step
print "Compliance: %s" % compliance
smu_sweep = SMUSweep(chan, SourceMode.VOLTAGE, SourceType.VOLTAGE, start, stop, step, compliance, SweepType.LINEAR)
print "Commands to execute: "
for command in smu_sweep.get_commands():
print command
print ip
print port
try:
executor = VisaExecutor(ip, int(port))
for command in smu_sweep.get_commands():
executor.execute_command(command)
except VisaIOError:
print "Failed to connect"
