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Update ps2000.py #4

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dca78f8
Update ps2000.py
ivannunyadambiz Oct 10, 2024
3cbb54b
Update ps2000.py
ivannunyadambiz Oct 13, 2024
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37 changes: 27 additions & 10 deletions ps2000.py
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Original file line number Diff line number Diff line change
Expand Up @@ -368,6 +368,18 @@ def get_setpoints(self):
actual['i'] = self.i_nom * ((ans[4] << 8) + ans[5]) / 25600

return actual

def set_voltage_and_current(self, voltage, current):
if voltage is not None:
if self.verbose:
print(f"Setting voltage to {voltage}V")
self.set_voltage(voltage)
if current is not None:
if self.verbose:
print(f"Setting current to {current}A")
self.set_current(current)
if self.verbose:
print(f"New setpoints - Voltage: {self.get_voltage_setpoint()}V, Current: {self.get_current_setpoint()}A")


def check_available(port, target="PS 2042"):
Expand Down Expand Up @@ -396,27 +408,32 @@ def print_info(ps):
# print('set voltage %f %f' % (ps.set_voltage(12.34), ps.get_voltage_setpoint()))
# ps.get_actual(True)


if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Control PS2000 power supply')
parser.add_argument(
'-p', '--port', type=str, help='serial port to use', required=True)
parser.add_argument('-v', '--verbose', action='store_true')

group = parser.add_mutually_exclusive_group(required=True)
group = parser.add_mutually_exclusive_group()
group.add_argument('--on', help='turn on', action='store_true')
group.add_argument('--off', help='turn off', action='store_true')
group.add_argument('--toggle', help='toggle', action='store_true')
group.add_argument('--info', help='toggle', action='store_true')
group.add_argument('--info', help='show device info', action='store_true')

parser.add_argument('--voltage', type=float, help='set voltage in volts')
parser.add_argument('--current', type=float, help='set current in amperes')

args = parser.parse_args()

with ps2000(args.port) as ps:

if args.verbose:
print("Vset: {}".format(ps.get_voltage_setpoint()))
print("Iset: {}".format(ps.get_current_setpoint()))
print("Vact: {}".format(ps.get_actual()['v']))
print("Iact: {}".format(ps.get_actual()['i']))
print(f"Vset: {ps.get_voltage_setpoint()}")
print(f"Iset: {ps.get_current_setpoint()}")
print(f"Vact: {ps.get_actual()['v']}")
print(f"Iact: {ps.get_actual()['i']}")

if args.voltage is not None or args.current is not None:
ps.set_voltage_and_current(args.voltage, args.current)

if args.on:
print("turning on")
Expand All @@ -436,5 +453,5 @@ def print_info(ps):

if args.verbose:
time.sleep(1)
print("Vact: {}".format(ps.get_actual()['v']))
print("Iact: {}".format(ps.get_actual()['i']))
print(f"Vact: {ps.get_actual()['v']}")
print(f"Iact: {ps.get_actual()['i']}")