forked from M-Labs/artiq
add device for Korad KA3005P programmable DC power supply
This commit is contained in:
parent
db5957a7e7
commit
baac555f96
|
@ -0,0 +1,148 @@
|
|||
# Written by Joe Britton, 2016
|
||||
|
||||
import logging
|
||||
import asyncio
|
||||
import asyncserial
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
logger.setLevel(-10)
|
||||
|
||||
|
||||
class UnexpectedResponse(Exception):
|
||||
pass
|
||||
|
||||
|
||||
class KoradKA3005P:
|
||||
"""The Korad KA3005P is a 1-channel programmable power supply
|
||||
(0-30V/0-5A) with both USB/serial and RS232 connectivity.
|
||||
|
||||
All amplitudes are in volts.
|
||||
All currents are in amperes.
|
||||
"""
|
||||
|
||||
# Serial interface gleaned from the following.
|
||||
# https://github.com/starforgelabs/py-korad-serial
|
||||
# https://sigrok.org/wiki/Korad_KAxxxxP_series
|
||||
|
||||
def __init__(self, serial_dev):
|
||||
if serial_dev is None:
|
||||
self.simulation = True
|
||||
else:
|
||||
self.simulation = False
|
||||
self.port = asyncserial.AsyncSerial(serial_dev, baudrate=9600)
|
||||
|
||||
def close(self):
|
||||
"""Close the serial port."""
|
||||
if not self.simulation:
|
||||
self.port.close()
|
||||
|
||||
async def _ser_read(self, fixed_length=None):
|
||||
""" strings returned by firmware are zero-terminated or fixed length
|
||||
"""
|
||||
c = (await self.port.read(1)).decode()
|
||||
r = c
|
||||
while len(c) > 0 and ord(c) != 0 and not len(r) == fixed_length:
|
||||
c = (await self.port.read(1)).decode()
|
||||
r += c
|
||||
logger.debug("_read %s: ", r)
|
||||
return r
|
||||
|
||||
async def _ser_write(self, cmd):
|
||||
logger.debug("_write %s: ", cmd)
|
||||
await asyncio.sleep(0.1)
|
||||
await self.port.write(cmd.encode('ascii'))
|
||||
|
||||
async def setup(self):
|
||||
"""Configure in known state."""
|
||||
await self.set_output(False)
|
||||
await self.set_v(0)
|
||||
await self.set_ovp(False)
|
||||
await self.set_i(0)
|
||||
await self.set_ocp(False)
|
||||
|
||||
async def get_id(self):
|
||||
"""Request identification from device.
|
||||
"""
|
||||
if self.simulation:
|
||||
return "KORADKA3005PV2.0"
|
||||
await self._ser_write("*IDN?")
|
||||
return await self._ser_read()
|
||||
|
||||
async def set_output(self, b):
|
||||
"""Enable/disable the power output.
|
||||
"""
|
||||
if b:
|
||||
await self._ser_write("OUT1")
|
||||
else:
|
||||
await self._ser_write("OUT0")
|
||||
|
||||
async def set_v(self, v):
|
||||
"""Set the maximum output voltage."""
|
||||
await self._ser_write("VSET1:{0:05.2f}".format(v))
|
||||
|
||||
async def get_v(self):
|
||||
"""Request the voltage as set by the user."""
|
||||
await self._ser_write("VSET1?")
|
||||
return float(await self._ser_read(fixed_length=5))
|
||||
|
||||
async def measure_v(self):
|
||||
"""Request the actual voltage output."""
|
||||
await self._ser_write("VOUT1?")
|
||||
return float(await self._ser_read(fixed_length=5))
|
||||
|
||||
async def set_ovp(self, b):
|
||||
"""Enable/disable the "Over Voltage Protection", the PS will switch off the
|
||||
output when the voltage rises above the actual level."""
|
||||
if b:
|
||||
await self._ser_write("OVP1")
|
||||
else:
|
||||
await self._ser_write("OVP0")
|
||||
|
||||
async def set_i(self, v):
|
||||
"""Set the maximum output current."""
|
||||
await self._ser_write("ISET1:{0:05.3f}".format(v))
|
||||
|
||||
async def get_i(self):
|
||||
"""Request the current as set by the user. """
|
||||
|
||||
# ISET1? replies with a sixth byte on many models (all?)
|
||||
# which is the sixth character from *IDN?
|
||||
# reply if *IDN? was queried before (during same power cycle).
|
||||
# This byte is read and discarded.
|
||||
await self._ser_write("ISET1?")
|
||||
r = await self._ser_read(fixed_length=5)
|
||||
if r[0] == "K":
|
||||
r = r[1:-1]
|
||||
return float(r)
|
||||
|
||||
async def measure_i(self):
|
||||
"""Request the actual output current."""
|
||||
await self._ser_write("IOUT1?")
|
||||
r = await self._ser_read(fixed_length=6)
|
||||
if r[0] == "K":
|
||||
r = r[1:-1]
|
||||
return float(r)
|
||||
|
||||
async def set_ocp(self, b):
|
||||
"""Enable/disable the "Over Current Protection", the PS will switch off
|
||||
the output when the current rises above the actual level."""
|
||||
if b:
|
||||
await self._ser_write("OCP1")
|
||||
else:
|
||||
await self._ser_write("OCP0")
|
||||
|
||||
async def ping(self):
|
||||
"""Check if device is responding."""
|
||||
if self.simulation:
|
||||
return True
|
||||
try:
|
||||
id = await self.get_id()
|
||||
except asyncio.CancelledError:
|
||||
raise
|
||||
except:
|
||||
return False
|
||||
if id == "KORADKA3005PV2.0":
|
||||
logger.debug("ping successful")
|
||||
return True
|
||||
else:
|
||||
return False
|
|
@ -0,0 +1,50 @@
|
|||
#!/usr/bin/env python3.5
|
||||
|
||||
# Written by Joe Britton, 2016
|
||||
|
||||
import argparse
|
||||
import logging
|
||||
import sys
|
||||
import asyncio
|
||||
|
||||
from artiq.devices.korad_ka3005p.driver import KoradKA3005P
|
||||
from artiq.protocols.pc_rpc import simple_server_loop
|
||||
from artiq.tools import *
|
||||
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
def get_argparser():
|
||||
parser = argparse.ArgumentParser(
|
||||
description="ARTIQ controller for the Korad KA3005P programmable DC power supply")
|
||||
simple_network_args(parser, 3256)
|
||||
parser.add_argument(
|
||||
"-d", "--device", default=None,
|
||||
help="serial port.")
|
||||
parser.add_argument(
|
||||
"--simulation", action="store_true",
|
||||
help="Put the driver in simulation mode, even if --device is used.")
|
||||
verbosity_args(parser)
|
||||
return parser
|
||||
|
||||
|
||||
def main():
|
||||
args = get_argparser().parse_args()
|
||||
init_logger(args)
|
||||
|
||||
if not args.simulation and args.device is None:
|
||||
print("You need to specify either --simulation or -d/--device "
|
||||
"argument. Use --help for more information.")
|
||||
sys.exit(1)
|
||||
|
||||
dev = KoradKA3005P(args.device if not args.simulation else None)
|
||||
asyncio.get_event_loop().run_until_complete(dev.setup())
|
||||
try:
|
||||
simple_server_loop(
|
||||
{"korad_ka3005p": dev}, bind_address_from_args(args), args.port)
|
||||
finally:
|
||||
dev.close()
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
|
@ -0,0 +1,38 @@
|
|||
import sys
|
||||
import unittest
|
||||
|
||||
from artiq.test.hardware_testbench import GenericControllerCase, ControllerCase
|
||||
|
||||
|
||||
class GenericKoradKA3005PTest:
|
||||
def test_parameters_readback(self):
|
||||
|
||||
# check device ID baked into firmware
|
||||
ids = self.driver.get_id()
|
||||
self.assertEqual(ids, "KORADKA3005PV2.0")
|
||||
|
||||
|
||||
class TestKoradKA3005P(GenericKoradKA3005PTest, ControllerCase):
|
||||
def setUp(self):
|
||||
ControllerCase.setUp(self)
|
||||
self.start_controller("koradka3005p")
|
||||
self.driver = self.device_mgr.get("koradka3005p")
|
||||
|
||||
|
||||
class TestKoradKA3005P(GenericKoradKA3005PTest, GenericControllerCase):
|
||||
def get_device_db(self):
|
||||
return {
|
||||
"korad_ka3005p": {
|
||||
"type": "controller",
|
||||
"host": "::1",
|
||||
"port": 3256,
|
||||
"command": (sys.executable.replace("\\", "\\\\")
|
||||
+ " -m artiq.frontend.korad_ka3005p_controller "
|
||||
+ "-p {port} --simulation")
|
||||
}
|
||||
}
|
||||
|
||||
def setUp(self):
|
||||
GenericControllerCase.setUp(self)
|
||||
self.start_controller("korad_ka3005p")
|
||||
self.driver = self.device_mgr.get("korad_ka3005p")
|
|
@ -30,3 +30,6 @@ Default network ports
|
|||
+--------------------------+--------------+
|
||||
| Thorlabs T-Cube | 3255 |
|
||||
+--------------------------+--------------+
|
||||
| Korad KA3005P | 3256 |
|
||||
-------------------------------------------
|
||||
|
||||
|
|
|
@ -69,6 +69,22 @@ You can choose the LDA model with the ``-P`` parameter. The default is LDA-102.
|
|||
:ref: artiq.frontend.lda_controller.get_argparser
|
||||
:prog: lda_controller
|
||||
|
||||
Korad KA3005P
|
||||
-------------
|
||||
|
||||
Driver
|
||||
++++++
|
||||
|
||||
.. automodule:: artiq.devices.korad_ka3005p.driver
|
||||
:members:
|
||||
|
||||
Controller
|
||||
++++++++++
|
||||
|
||||
.. argparse::
|
||||
:ref: artiq.frontend.korad_ka3005p_controller.get_argparser
|
||||
:prog: korad_ka3005p_controller
|
||||
|
||||
Novatech 409B
|
||||
-------------
|
||||
|
||||
|
|
1
setup.py
1
setup.py
|
@ -36,6 +36,7 @@ console_scripts = [
|
|||
"artiq_flash=artiq.frontend.artiq_flash:main",
|
||||
"lda_controller=artiq.frontend.lda_controller:main",
|
||||
"novatech409b_controller=artiq.frontend.novatech409b_controller:main",
|
||||
"korad_ka3005p_controller=artiq.frontend.korad_ka3005p_controller:main",
|
||||
"pdq2_client=artiq.frontend.pdq2_client:main",
|
||||
"pdq2_controller=artiq.frontend.pdq2_controller:main",
|
||||
"thorlabs_tcube_controller=artiq.frontend.thorlabs_tcube_controller:main",
|
||||
|
|
Loading…
Reference in New Issue