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Add launch configuration for Python debugger and enhance app.py with charging cycle control

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Zhang LongQi 2025-06-05 17:52:45 +08:00
parent e52b0f22e8
commit 034b83723c
2 changed files with 75 additions and 34 deletions
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17
.vscode/launch.json vendored Normal file
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@ -0,0 +1,17 @@
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "Python Debugger: Current File with Arguments",
"type": "debugpy",
"request": "launch",
"program": "app.py",
"console": "integratedTerminal",
"args": "--interval 30 --repeat 2 --quiet COM14",
}
]
}

86
app.py
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@ -7,7 +7,7 @@ and show the charger voltage, battery voltage and charging current
stop charging in 30 seconds
'''
from minimalmodbus import Instrument, MODE_RTU
import serial
import sys
import time
VERSION = '0.1.0'
@ -24,55 +24,79 @@ charger_voltage_adddress = 30
batery_voltage_address = 32
current_address = 31
def monitor_charger(instrument, interval=1, duration=30):
"""
Monitor the charger voltage, battery voltage and current for a given duration.
"""
t = 0
while t < duration:
try:
charger_voltage = instrument.read_registers(registeraddress=charger_voltage_adddress,
number_of_registers=1,
functioncode=MODBUS_FC_READ_INPUT_REGISTERS)
battery_voltage = instrument.read_registers(registeraddress=batery_voltage_address,
number_of_registers=1,
functioncode=MODBUS_FC_READ_INPUT_REGISTERS)
current = instrument.read_registers(registeraddress=current_address,
number_of_registers=1,
functioncode=MODBUS_FC_READ_INPUT_REGISTERS)
print(
f'Time: {t}s - Charger Voltage: {charger_voltage[0]}({charger_voltage[0] / 128:.2f} V ) '
f'Battery Voltage: {battery_voltage[0]}({battery_voltage[0] / 128:.2f} V ) '
f'Current: {current[0]}({current[0] / 128:.2f} A )')
sys.stdout.flush()
except Exception as e:
print(f'Error reading registers: {e}')
pass
time.sleep(interval)
t += interval
print()
def run():
import argparse
parser = argparse.ArgumentParser(description='xnergy charger control demo')
parser.add_argument('port', type=str,
help='The serial port(RS485) that connect to xnergy RCU')
parser.add_argument('port', type=str, help='The serial port(RS485) that connect to xnergy RCU')
parser.add_argument('-i',
'--interval',
type=int,
default=1800,
help='The interval time in seconds to on/off the charger, default is 1800 seconds')
parser.add_argument('-r',
'--repeat',
type=int,
default=1,
help='The number of times to repeat the charging cycle, default is 1')
# parser.add_argument('-P', '--parallel', type=int, nargs='*', choices=(17, 18, 19),
# help='set to parallel mode, parameter is the unit id, can be used multiple times')
parser.add_argument('-v', '--verbose', action='count', default=0,
help='verbose mode, show more information')
parser.add_argument('-q', '--quiet', action='store_true', help='quiet mode, suppress all output')
args = parser.parse_args()
instrument = Instrument(port=args.port, mode=MODE_RTU, slaveaddress=UNIT, debug=True)
instrument = Instrument(port=args.port, mode=MODE_RTU, slaveaddress=UNIT, debug=not args.quiet)
instrument.serial.baudrate = 9600
# start charging
instrument.write_bit(registeraddress=enable_charger_address, value=1)
print('Start Charging, will stop charging in 30 seconds')
print(f'Start Charging, will start/stop charging {args.repeat} times in {args.interval} seconds')
counter = 0
while True:
charger_voltage = instrument.read_registers(registeraddress=charger_voltage_adddress, number_of_registers=1,
functioncode=MODBUS_FC_READ_INPUT_REGISTERS)
battery_voltage = instrument.read_registers(registeraddress=batery_voltage_address, number_of_registers=1,
functioncode=MODBUS_FC_READ_INPUT_REGISTERS)
current = instrument.read_registers(registeraddress=current_address, number_of_registers=1,
functioncode=MODBUS_FC_READ_INPUT_REGISTERS)
print(
str(counter) + ' '
'Charger voltage: ' + str(charger_voltage) + ' '
'Battery voltage: ' + str(battery_voltage) + ' '
'Current: ' + str(current)
, end='\r', flush=True)
counter += 1
if counter > 30:
break
time.sleep(1)
while counter <= args.repeat:
# start charging
instrument.write_bit(registeraddress=enable_charger_address, value=1)
monitor_charger(instrument, duration=args.interval)
print()
# stop charging
instrument.write_bit(registeraddress=enable_charger_address, value=0)
print('Stop Charging')
monitor_charger(instrument, duration=args.interval)
print()
counter += 1
print(f'Charging cycle {counter} completed.')
if __name__ == "__main__":