def instant_vcp():
"Display instant voltage, current and power consumption"
settings = config.get_settings()
port = open_serial(settings["device"])
voltage, current, power = commands.instant_vcp(port, settings["address"])
print("{0} V;{1} A;{2} kW".format(voltage, current, power))
return 0
def display_readings():
"Display meter readings"
settings = config.get_settings()
port = open_serial(settings["device"])
readings = commands.display_readings(port, settings["address"])
print("{} kWh;{} kWh;{} kWh".format(*readings))
return 0
