def __init__(self, com_port): self.com_port = com_port self.device = KoradSerial(com_port, True) self.device.output.off() channel = self.device.channels[0] channel.voltage = 12.0 channel.current = 2.0
def load(self): h5path = time.strftime('/Date_%Y-%m-%d/Time_%H_%M_%S').split('/') if '/' + h5path[1] not in self.h5: h5group = self.h5.createGroup('/', h5path[1]) h5group = self.h5.createGroup('/' + h5path[1], h5path[2]) h5table = self.h5.createTable(h5group, 'load', LoadRow) ps = KoradSerial(DEVSERIAL) ps.output.off() ps.beep.off() ch1 = ps.channels[0] ch1.current = self.current ch1.voltage = self.voltage ps.output.on() starttime = time.time() currenttime = time.time() while (currenttime - starttime) < self.maxtime * HOUR_TO_SEC: time.sleep(5) currenttime = time.time() voltage = ch1.output_voltage current = ch1.output_current print time.ctime(currenttime), 'V: ', voltage, ' I: ', current row = h5table.row row['time'] = currenttime row['voltage'] = voltage row['current'] = current row.append() h5table.flush() ps.output.off()
class PowerSupply(): def __init__(self, com_port): self.com_port = com_port self.device = KoradSerial(com_port, True) self.device.output.off() channel = self.device.channels[0] channel.voltage = 12.0 channel.current = 2.0 def poweroff(self): self.device.output.off() def poweron(self): self.device.output.on() def __del__(self): self.device.close()
def korad(ctx, port): """Interfacing a Korad KA3005P power supply. If KORADPORT is in the environment, the --port option is optional: export KORADPORT=/dev/ttyACM0 """ try: global korad_device korad_device = KoradSerial(port) except SerialException as e: error(e) ctx.exit(1) ctx.call_on_close(korad_device.close)
class KoradSerialTest(TestCase): def setUp(self): self.device = KoradSerial('/dev/tty.usbmodemfd121', True) self.overrideSkippedTests = False def tearDown(self): self.device.close() def _pause(self, delay=1): """ Give the power supply time to digest the commands. :param delay: How long to pause. The default 1 second is overkill. """ sleep(delay) def test_beep(self): """ Test the BEEP command. According to what I've read on the Internet, and confirmed by my trials, is that BEEP0 doesn't work. Thus this test is useless. :return: """ if not self.overrideSkippedTests: return self.device.beep.off() status = self.device.status self.assertEqual(OnOffState.off, status.beep) self._pause() self.device.beep.on() status = self.device.status self.assertEqual(OnOffState.on, status.beep) def test_channel1(self): """ Test Channel 1's functionality. This test assumes a small load (perhaps 100 ohm) is on the power supply so a small amount of current is drawn. """ channel = self.device.channels[0] # Turn off output and ensure that it's reading zeroes. self.device.output.off() self._pause() self.assertEqual(0, channel.output_voltage) self.assertEqual(0, channel.output_current) # Set the current and voltage and ensure it's reporting back correctly. channel.voltage = 12.34 channel.current = 1.234 self.assertAlmostEqual(12.34, channel.voltage, 2) self.assertAlmostEqual(1.234, channel.current, 3) # Set a different current and voltage to ensure that we're not reading old data. channel.voltage = 3.30 channel.current = 0.123 self.assertAlmostEqual(3.30, channel.voltage, 2) self.assertAlmostEqual(0.123, channel.current, 3) # Turn on the output and ensure that current is flowing across the small load. self.device.output.on() self._pause() self.assertAlmostEqual(3.30, channel.output_voltage, 2) self.assertLess(0, channel.output_current) self.device.output.off() def test_lock(self): """ Test the lock state. Ha! Just kidding. This is a stub. It appears that there is no command to alter the lock state. While connected to a serial line and processing commands, the power supply is in a lock state. """ if not self.overrideSkippedTests: return pass def test_memory(self): """ Ensure that memory store/recall works. A two-step process is required to set a memory. * First, one must choose the memory number with a `recall()` command. * Second, one must set the desired voltage and current limit. * Third, one must save the memory with a `save()` command. Recalling a memory setting simply requires calling the `recall()` command. This goes through the test twice with different values to ensure what is read isn't old data. """ channel = self.device.channels[0] m1 = self.device.memories[0] m2 = self.device.memories[1] m3 = self.device.memories[2] m4 = self.device.memories[3] # Pass one with the first set of values. m1.recall() channel.voltage = 1.00 channel.current = 0.100 m1.save() m2.recall() channel.voltage = 2.00 channel.current = 0.200 m2.save() m3.recall() channel.voltage = 3.00 channel.current = 0.300 m3.save() m4.recall() channel.voltage = 4.00 channel.current = 0.400 m4.save() m1.recall() self.assertAlmostEqual(1.00, channel.voltage, 2) self.assertAlmostEqual(0.100, channel.current, 3) m2.recall() self.assertAlmostEqual(2.00, channel.voltage, 2) self.assertAlmostEqual(0.200, channel.current, 3) m3.recall() self.assertAlmostEqual(3.00, channel.voltage, 2) self.assertAlmostEqual(0.300, channel.current, 3) m4.recall() self.assertAlmostEqual(4.00, channel.voltage, 2) self.assertAlmostEqual(0.400, channel.current, 3) # Pass two with different values. m1.recall() channel.voltage = 5.00 channel.current = 0.500 m1.save() m2.recall() channel.voltage = 10.00 channel.current = 1.000 m2.save() m3.recall() channel.voltage = 15.00 channel.current = 1.500 m3.save() m4.recall() channel.voltage = 20.00 channel.current = 2.000 m4.save() m1.recall() self.assertAlmostEqual(5.00, channel.voltage, 2) self.assertAlmostEqual(0.500, channel.current, 3) m2.recall() self.assertAlmostEqual(10.00, channel.voltage, 2) self.assertAlmostEqual(1.000, channel.current, 3) m3.recall() self.assertAlmostEqual(15.00, channel.voltage, 2) self.assertAlmostEqual(1.500, channel.current, 3) m4.recall() self.assertAlmostEqual(20.00, channel.voltage, 2) self.assertAlmostEqual(2.000, channel.current, 3) def test_model(self): """ Test the IDN command. Read the model number from the device. """ model = self.device.model self.assertTrue(model.startswith("KORAD")) def test_ocp(self): """ Test Over Current Protection There's no way to get feedback on these, so simply ensure that no exceptions are thrown. """ self.device.over_current_protection.on() self._pause() self.device.over_current_protection.off() def test_ovp(self): """ Test Over Voltage Protection There's no way to get feedback on these, so simply ensure that no exceptions are thrown. """ self.device.over_voltage_protection.on() self._pause() self.device.over_voltage_protection.off() def test_output(self): """ Ensure the device is reporting the output on/off state correctly. """ self.device.output.on() status = self.device.status self.assertEqual(OnOffState.on, status.output) self._pause() self.device.output.off() status = self.device.status self.assertEqual(OnOffState.off, status.output) def test_track(self): """ Test the TRACK commands. **NOTE:** The tests here are hypothetical. I don't have a multi-channel power supply to actually test this against. """ if not self.overrideSkippedTests: return self.device.track(Tracking.parallel) status = self.device.status self.assertEqual(Tracking.parallel, status.tracking) self._pause() self.device.track(Tracking.series) status = self.device.status self.assertEqual(Tracking.series, status.tracking) self._pause() self.device.track(Tracking.independent) status = self.device.status self.assertEqual(Tracking.independent, status.tracking)
global i1Graphic global i2Graphic # .ini variables global ps1Vini global ps2Vini global ps1Vmaxini global ps2Vmaxini global ps1Imaxini global ps2Imaxini global runPS1 global runPS2 maxPSV = 5.0 maxPSI = 5.0 ps1 = KoradSerial(ps1serialPort) # handle def ps2 = KoradSerial(ps2serialPort) # handle def # Acquiring initial readings from PS1 ps1currentActual = ps1.current_actual # actual current being given out ps1currentRead = ps1.current_set # read what you previously set ps1deviceStatus = ps1.status # Acquiring initial readings from PS2 ps2currentActual = ps2.current_actual # actual current being given out ps2voltageRead = ps2.voltage_set # read what you previously set ps2currentRead = ps2.current_set # read what you previously set ps2deviceStatus = ps2.status # Acquiring the values from the INI file ps1Voltage = float(parser.get("Settings", 'ps1Voltage')) # Initial voltage definition for PS1
import ConfigParser from ConfigParser import SafeConfigParser # from koradcli import korad # Definition of serial ports for 2 power supplies ps1serialPort = 'COM4' # COMM PORT 1 ps2serialPort = 'COM5' # COMM PORT 2 # Variable definitions global ps1 global ps2 global ps1output global ps2output ps1 = KoradSerial(ps1serialPort) # handle def ps2 = KoradSerial(ps2serialPort) # handle def ps1.output = 'off' ps2.output = 'off' # Acquiring initial readings from PS1 ps1voltageActual = ps1.voltage_actual # actual voltage being given out ps1currentActual = ps1.current_actual # actual current being given out ps1voltageRead = ps1.voltage_set # read what you previously set ps1currentRead = ps1.current_set # read what you previously set ps1deviceStatus = ps1.status # Acquiring initial readings from PS2 ps2voltageActual = ps2.voltage_actual # actual voltage being given out ps2currentActual = ps2.current_actual # actual current being given out ps2voltageRead = ps2.voltage_set # read what you previously set
def setUp(self): self.device = KoradSerial('/dev/tty.usbmodemfd121', True) self.overrideSkippedTests = False
class KoradSerialTest(TestCase): def setUp(self): self.device = KoradSerial('/dev/tty.usbmodemfd121', True) self.overrideSkippedTests = False def _pause(self, delay=1): """ Give the power supply time to digest the commands. :param delay: How long to pause. The default 1 second is overkill. """ sleep(delay) def test_beep(self): """ Test the BEEP command. According to what I've read on the Internet, and confirmed by my trials, is that BEEP0 doesn't work. Thus this test is useless. :return: """ if not self.overrideSkippedTests: return self.device.beep.off() status = self.device.status self.assertEqual(OnOffState.off, status.beep) self._pause() self.device.beep.on() status = self.device.status self.assertEqual(OnOffState.on, status.beep) def test_channel1(self): """ Test Channel 1's functionality. This test assumes a small load (perhaps 100 ohm) is on the power supply so a small amount of current is drawn. """ channel = self.device.channels[0] # Turn off output and ensure that it's reading zeroes. self.device.output.off() self._pause() self.assertEqual(0, channel.output_voltage) self.assertEqual(0, channel.output_current) # Set the current and voltage and ensure it's reporting back correctly. channel.voltage = 12.34 channel.current = 1.234 self.assertAlmostEqual(12.34, channel.voltage, 2) self.assertAlmostEqual(1.234, channel.current, 3) # Set a different current and voltage to ensure that we're not reading old data. channel.voltage = 3.30 channel.current = 0.123 self.assertAlmostEqual(3.30, channel.voltage, 2) self.assertAlmostEqual(0.123, channel.current, 3) # Turn on the output and ensure that current is flowing across the small load. self.device.output.on() self._pause() self.assertAlmostEqual(3.30, channel.output_voltage, 2) self.assertLess(0, channel.output_current) self.device.output.off() def test_lock(self): """ Test the lock state. Ha! Just kidding. This is a stub. It appears that there is no command to alter the lock state. While connected to a serial line and processing commands, the power supply is in a lock state. """ if not self.overrideSkippedTests: return pass def test_memory(self): """ Ensure that memory store/recall works. A two-step process is required to set a memory. * First, one must choose the memory number with a `recall()` command. * Second, one must set the desired voltage and current limit. * Third, one must save the memory with a `save()` command. Recalling a memory setting simply requires calling the `recall()` command. This goes through the test twice with different values to ensure what is read isn't old data. """ channel = self.device.channels[0] m1 = self.device.memories[0] m2 = self.device.memories[1] m3 = self.device.memories[2] m4 = self.device.memories[3] # Pass one with the first set of values. m1.recall() channel.voltage = 1.00 channel.current = 0.100 m1.save() m2.recall() channel.voltage = 2.00 channel.current = 0.200 m2.save() m3.recall() channel.voltage = 3.00 channel.current = 0.300 m3.save() m4.recall() channel.voltage = 4.00 channel.current = 0.400 m4.save() m1.recall() self.assertAlmostEqual(1.00, channel.voltage, 2) self.assertAlmostEqual(0.100, channel.current, 3) m2.recall() self.assertAlmostEqual(2.00, channel.voltage, 2) self.assertAlmostEqual(0.200, channel.current, 3) m3.recall() self.assertAlmostEqual(3.00, channel.voltage, 2) self.assertAlmostEqual(0.300, channel.current, 3) m4.recall() self.assertAlmostEqual(4.00, channel.voltage, 2) self.assertAlmostEqual(0.400, channel.current, 3) # Pass two with different values. m1.recall() channel.voltage = 5.00 channel.current = 0.500 m1.save() m2.recall() channel.voltage = 10.00 channel.current = 1.000 m2.save() m3.recall() channel.voltage = 15.00 channel.current = 1.500 m3.save() m4.recall() channel.voltage = 20.00 channel.current = 2.000 m4.save() m1.recall() self.assertAlmostEqual(5.00, channel.voltage, 2) self.assertAlmostEqual(0.500, channel.current, 3) m2.recall() self.assertAlmostEqual(10.00, channel.voltage, 2) self.assertAlmostEqual(1.000, channel.current, 3) m3.recall() self.assertAlmostEqual(15.00, channel.voltage, 2) self.assertAlmostEqual(1.500, channel.current, 3) m4.recall() self.assertAlmostEqual(20.00, channel.voltage, 2) self.assertAlmostEqual(2.000, channel.current, 3) def test_model(self): """ Test the IDN command. Read the model number from the device. """ model = self.device.model self.assertTrue(model.startswith("KORAD")) def test_ocp(self): """ Test Over Current Protection There's no way to get feedback on these, so simply ensure that no exceptions are thrown. """ self.device.over_current_protection.on() self._pause() self.device.over_current_protection.off() def test_ovp(self): """ Test Over Voltage Protection There's no way to get feedback on these, so simply ensure that no exceptions are thrown. """ self.device.over_voltage_protection.on() self._pause() self.device.over_voltage_protection.off() def test_output(self): """ Ensure the device is reporting the output on/off state correctly. """ self.device.output.on() status = self.device.status self.assertEqual(OnOffState.on, status.output) self._pause() self.device.output.off() status = self.device.status self.assertEqual(OnOffState.off, status.output) def test_track(self): """ Test the TRACK commands. **NOTE:** The tests here are hypothetical. I don't have a multi-channel power supply to actually test this against. """ if not self.overrideSkippedTests: return self.device.track(Tracking.parallel) status = self.device.status self.assertEqual(Tracking.parallel, status.tracking) self._pause() self.device.track(Tracking.series) status = self.device.status self.assertEqual(Tracking.series, status.tracking) self._pause() self.device.track(Tracking.independent) status = self.device.status self.assertEqual(Tracking.independent, status.tracking)
import serial from time import sleep from koradserial import KoradSerial from koradserial import OnOffState from koradserial import Tracking mydevice = KoradSerial("COM3", False) channel = mydevice.channels[0] channel.voltage = 12 dev_status = mydevice.status print(dev_status) mydevice.output.on() dev_status = mydevice.status print(dev_status) load = {} # for i in range(50, 150, 5): # channel.voltage = i/10 # sleep(0.01) # #load.append(channel.output_current) # load["{} volt".format(i/10)] = "{} Amp".format(channel.output_current) # # for i in range(150, 45, -5): # channel.voltage = i / 10 # sleep(0.01) # #load.append(channel.output_current) # load["{} volt".format(i)] = "{} Amp".format(channel.output_current) #mydevice.output.off()
def enablePowerSupply(device, powerOn=True): with KoradSerial(device) as ps: ps.output.on() if powerOn == True else ps.output.off() with KoradSerial('/dev/ttyACM0') as ps: print("V: {}V".format(ps.channels[0].output_voltage)) print("I: {}A".format(ps.channels[0].output_current))
def setUp(self): self.ps = KoradSerial(serial_port) self.ps.output = OnOffState('off')
class KoradSerialTest(TestCase): def setUp(self): self.ps = KoradSerial(serial_port) self.ps.output = OnOffState('off') def tearDown(self): self.ps.close() def test_modelstring(self): model = self.ps.model self.assertTrue( model.startswith('KORAD') or model.startswith('VELLEMAN')) def test_statusclass(self): status = self.ps.status self.assertIsInstance(status.mode, OutputMode) self.assertIsInstance(status.beep, OnOffState) self.assertIsInstance(status.ocp, OnOffState) self.assertIsInstance(status.ovp, OnOffState) self.assertIsInstance(status.output, OnOffState) def test_ocp(self): self.ps.ocp = OnOffState('on') self.assertEqual(self.ps.ocp.name, 'on') self.ps.ocp = 'off' self.assertEqual(self.ps.ocp.name, 'off') def test_ovp(self): self.ps.ovp = OnOffState('on') self.assertEqual(self.ps.ovp.name, 'on') self.ps.ovp = 'off' self.assertEqual(self.ps.ovp.name, 'off') def test_output(self): self.ps.output = OnOffState('off') self.assertEqual(self.ps.output.name, 'off') self.ps.output = 'on' self.assertEqual(self.ps.output.name, 'on') def test_voltage(self): self.ps.output = OnOffState('off') voltage = self.ps.voltage_set self.ps.voltage = 1 self.assertEqual(self.ps.voltage_actual, 0) self.assertEqual(self.ps.voltage_set, 1) self.ps.voltage = voltage def test_current(self): self.ps.output = OnOffState('off') current = self.ps.current_set self.ps.current = 1 self.assertEqual(self.ps.current_actual, 0) self.assertEqual(self.ps.current_set, 1) self.ps.current = current def test_memory(self): # remember saved values self.ps.recall_from_memory(1) c1, v1 = self.ps.current_set, self.ps.voltage_set self.ps.recall_from_memory(2) c2, v2 = self.ps.current_set, self.ps.voltage_set self.ps.current = 2.0 self.ps.voltage = 5.0 self.ps.save_to_memory(1) self.ps.current = 0.5 self.ps.voltage = 3.3 self.ps.save_to_memory(2) self.ps.recall_from_memory(1) self.assertEqual(self.ps.current_set, 2.0) self.assertEqual(self.ps.voltage_set, 5.0) self.ps.recall_from_memory(2) self.assertEqual(self.ps.current_set, 0.5) self.assertEqual(self.ps.voltage_set, 3.3) self.ps.current = 1.5 self.ps.voltage = 8.0 self.ps.save_to_memory(1) self.ps.current = 0.2 self.ps.voltage = 15.0 self.ps.save_to_memory(2) self.ps.recall_from_memory(1) self.assertEqual(self.ps.current_set, 1.5) self.assertEqual(self.ps.voltage_set, 8.0) self.ps.recall_from_memory(2) self.assertEqual(self.ps.current_set, 0.2) self.assertEqual(self.ps.voltage_set, 15.0) # set backed up values self.ps.current, self.ps.voltage = c2, v2 self.ps.save_to_memory(2) self.ps.current, self.ps.voltage = c1, v1 self.ps.save_to_memory(1)
import serial from time import sleep from koradserial import KoradSerial from koradserial import OnOffState from koradserial import Tracking mydevice = KoradSerial("COM3", 1) channel = mydevice.channels[0] channel.voltage = 5 channel.current = 2 mydevice.output.off() #power_state = mydevice.status print(OnOffState.on.value) load = channel.output_current print(load) # #wait = input("press to continue" ) # wait = 'r' # while wait == 'r': # wait = input("press to continue: ") # load = channel.output_current # print(load) wait = input("press to continue: ") mydevice.output.off() mydevice.close() # ser = serial.Serial('COM3') # print(ser.name) # #ser.write(b'VSET1:6.34')
from unittest import TestCase, main # from click.testing import CliRunner import Tkinter from Tkinter import * import tkMessageBox import datetime import time from koradserial import KoradSerial, OnOffState, OutputMode # from koradcli import korad # Definition of serial ports for 2 power supplies ps1serialPort = 'COM4' # COMM PORT 1 ps2serialPort = 'COM5' # COMM PORT 2 ps1 = KoradSerial(ps1serialPort) # handle def ps2 = KoradSerial(ps2serialPort) # handle def # Setting the electrical parameters and power source configuration ps1.current = 5.0 #set current ps1.voltage = 1.4 #set voltage ps1.ovp = 'off' ps1.ocp = 'on' ps1.cv = 'on' ps2.current = 5.0 #set current ps2.voltage = 1.4 #set voltage ps2.ovp = 'off' ps2.ocp = 'off' ps2.cv = 'on'
from koradserial import KoradSerial import time import sys if len(sys.argv) != 3: print("Usage: app.py serial_port output file") sys.exit(-1) with KoradSerial(sys.argv[1]) as power_supply: with open(sys.argv[2], 'w') as f: f.write("time,voltage,current\n") while True: f.write("{0},{1},{2}\n".format( time.time(), power_supply.channels[0].output_voltage, power_supply.channels[0].output_current)) time.sleep(1)
def printPowerSupplyInfo(device): with KoradSerial(device) as ps: print("Model: {}".format(ps.model)) print("Status: {}".format(ps.status))