ec7044437e
Disables allowing the python argparse library from automatically shortening command line arguments, this prevents issues whereby a new command is added and code that wrongly uses the shortened command of an existing argument which is the same as the new command being added will silently change script behaviour. Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
53 lines
1.6 KiB
Python
Executable File
53 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2022 Rodrigo Peixoto <rodrigopex@gmail.com>
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# SPDX-License-Identifier: Apache-2.0
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import serial
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import json
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from time import sleep
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import argparse
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j = """
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[
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{"name":"version","on_changed": false, "read_only": true, "message_size": 4},
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{"name":"sensor_data","on_changed": true, "read_only": false, "message_size": 4},
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{"name":"start_measurement","on_changed": false, "read_only": false, "message_size": 1}
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]"""
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channels = json.loads(j)
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parser = argparse.ArgumentParser(description='Read zbus events via serial.', allow_abbrev=False)
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parser.add_argument("port", type=str, help='The tty or COM port to be used')
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args = parser.parse_args()
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def fetch_sentence(ser):
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channel_id = int.from_bytes(ser.read(), "little")
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channel_name = channels[channel_id]['name']
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msg_size = channels[channel_id]['message_size']
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msg = ser.read(msg_size)
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ser.read(1) # skip '*'
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return (channel_name, msg_size, msg)
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def pub_start_measurement(ser, action: bool):
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print(
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f"Proxy PUB [{channels[2]['name']}] -> start measurement")
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ser.write(b'$')
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ser.write(b'\x02') # idx
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ser.write(b'\x01')
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ser.write(b'*')
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ser.flush()
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ser = serial.Serial(args.port)
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pub_start_measurement(ser, True)
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while True:
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d = ser.read()
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if d == b'$':
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channel_name, msg_size, msg = fetch_sentence(ser)
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if channel_name == "sensor_data":
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print(
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f"Proxy NOTIFY: [{channel_name}] -> sensor value {int.from_bytes(msg, 'little')}")
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sleep(1)
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pub_start_measurement(ser, True)
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