def compact_status():
# warning ":MEAS" turns on the channel!
date_string = time.strftime("%Y-%m-%d+%X")
current_string = query_quiet(":MEASure:CURRent?")
voltage_string = query_quiet(":MEASure:VOLTage?")
info("%s, %s, %s" % (date_string, current_string, voltage_string))
def print_header():
info("#date, current (A), voltage (V)")
def show_status():
mode = get_mode()
if mode=="VOLT":
info("voltage mode")
if check()=="1":
info("output enabled")
get_i()
get_v()
else:
info("output disabled")
get_ilim()
get_vlim()
else:
info("current mode")
if check()=="1":
info("output enabled")
get_i()
get_v()
else:
info("output disabled")
get_ilim()
get_vlim()
def identify(): message = "*IDN?" response = scpi.query(message) info(response + " at " + ip)
def query(message, prefix="", suffix=""): response = query_quiet(message) info(prefix + response + suffix) return response
create_new_logfile_with_string("control_smu")
b2901a.setip(ip)
b2901a.connect()
if len(sys.argv) > 1:
command = ""
#debug(str(len(sys.argv)))
for arg in sys.argv[1:]:
#debug(arg)
match = re.search("(on|off)", arg, re.IGNORECASE)
if match:
command = match.group(1)
debug("matched " + command)
if not command == "":
match = re.search("on", command, re.IGNORECASE)
if match:
info("turning on")
b2901a.set_ilim_v(ilim, v)
b2901a.on()
match = re.search("off", command, re.IGNORECASE)
if match:
info("turning off")
b2901a.off()
else:
#b2901a.identify()
#b2901a.show_status()
b2901a.print_header()
while True:
b2901a.compact_status()
sys.stdout.flush()
time.sleep(1)