forked from platformio/platformio-core
61 lines
2.1 KiB
Python
61 lines
2.1 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 time import sleep
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from twisted.internet import protocol, reactor # pylint: disable=import-error
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from twisted.internet.serialport import SerialPort # pylint: disable=import-error
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from platformio.remote.ac.base import AsyncCommandBase
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class SerialPortAsyncCmd(protocol.Protocol, AsyncCommandBase):
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def start(self):
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SerialPort(
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self,
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reactor=reactor,
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**{
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"deviceNameOrPortNumber": self.options["port"],
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"baudrate": self.options["baud"],
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"parity": self.options["parity"],
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"rtscts": 1 if self.options["rtscts"] else 0,
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"xonxoff": 1 if self.options["xonxoff"] else 0,
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}
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)
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def connectionMade(self):
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self.reset_device()
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if self.options.get("rts", None) is not None:
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self.transport.setRTS(self.options.get("rts"))
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if self.options.get("dtr", None) is not None:
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self.transport.setDTR(self.options.get("dtr"))
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def reset_device(self):
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self.transport.flushInput()
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self.transport.setDTR(False)
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self.transport.setRTS(False)
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sleep(0.1)
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self.transport.setDTR(True)
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self.transport.setRTS(True)
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sleep(0.1)
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def dataReceived(self, data):
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self._ac_ondata(data)
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def connectionLost(self, reason): # pylint: disable=unused-argument
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if self._paused:
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return
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self._return_code = 0
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self._ac_ended()
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