Ivan Kravets
92 lines
2.6 KiB
Python
92 lines
2.6 KiB
Python
# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from fnmatch import fnmatch
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import serial
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from platformio.compat import IS_WINDOWS
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from platformio.device.list import list_serial_ports
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def is_pattern_port(port):
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if not port:
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return False
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return set(["*", "?", "[", "]"]) & set(port)
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def is_serial_port_ready(port, timeout=1):
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try:
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serial.Serial(port, timeout=timeout).close()
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return True
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except: # pylint: disable=bare-except
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pass
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return False
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def scan_serial_port(
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initial_port, board_config=None, upload_protocol=None, ensure_ready=False
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):
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if initial_port:
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if not is_pattern_port(initial_port):
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return initial_port
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return match_serial_port(initial_port)
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port = None
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if upload_protocol and upload_protocol.startswith("blackmagic"):
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port = scan_blackmagic_serial_port()
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if not port and board_config:
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port = scan_board_serial_port(board_config)
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if port:
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return port
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# pick the first PID:VID USB device
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for item in list_serial_ports():
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if ensure_ready and not is_serial_port_ready(item["port"]):
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continue
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port = item["port"]
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if "VID:PID" in item["hwid"]:
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return port
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return port
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def match_serial_port(pattern):
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for item in list_serial_ports():
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if fnmatch(item["port"], pattern):
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return item["port"]
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return None
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def scan_blackmagic_serial_port():
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for item in list_serial_ports():
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port = item["port"]
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if IS_WINDOWS and port.startswith("COM") and len(port) > 4:
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port = "\\\\.\\%s" % port
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if "GDB" in item["description"]:
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return port
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return None
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def scan_board_serial_port(board_config):
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board_hwids = board_config.get("build.hwids", [])
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if not board_hwids:
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return None
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for item in list_serial_ports(filter_hwid=True):
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port = item["port"]
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for hwid in board_hwids:
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hwid_str = ("%s:%s" % (hwid[0], hwid[1])).replace("0x", "")
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if hwid_str in item["hwid"]:
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return port
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return None
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