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keep the devPath used on serial connections #276

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Merged
merged 1 commit into from
Feb 18, 2022
Merged

keep the devPath used on serial connections #276

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12 changes: 7 additions & 5 deletions meshtastic/serial_interface.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,8 @@ def __init__(self, devPath=None, debugOut=None, noProto=False, connectNow=True):
"""
self.noProto = noProto

self.devPath = None

if devPath is None:
ports = meshtastic.util.findPorts()
logging.debug(f"ports:{ports}")
Expand All @@ -36,23 +38,23 @@ def __init__(self, devPath=None, debugOut=None, noProto=False, connectNow=True):
message += f" Ports detected:{ports}"
meshtastic.util.our_exit(message)
else:
devPath = tmp_ports[0]
self.devPath = tmp_ports[0]
else:
devPath = ports[0]
self.devPath = ports[0]

logging.debug(f"Connecting to {devPath}")
logging.debug(f"Connecting to {self.devPath}")

# first we need to set the HUPCL so the device will not reboot based on RTS and/or DTR
# see https://github.com/pyserial/pyserial/issues/124
if platform.system() != 'Windows':
with open(devPath, encoding='utf8') as f:
with open(self.devPath, encoding='utf8') as f:
attrs = termios.tcgetattr(f)
attrs[2] = attrs[2] & ~termios.HUPCL
termios.tcsetattr(f, termios.TCSAFLUSH, attrs)
f.close()
time.sleep(0.1)

self.stream = serial.Serial(devPath, 921600, exclusive=True, timeout=0.5, write_timeout=0)
self.stream = serial.Serial(self.devPath, 921600, exclusive=True, timeout=0.5, write_timeout=0)
self.stream.flush()
time.sleep(0.1)

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