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cbbd02d520
The directory `dist/tools/esptool` already contains a couple of ESP tools and not only esptool.py. As the location for a couple of ESP related tools, it is more clear to call it `esptools` instead of `esptool`.
75 lines
2.4 KiB
Python
Executable File
75 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Copyright (C) 2019 Gunar Schorcht <gunar@schorcht.net>
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# 2014 Oliver Hahm <oliver.hahm@inria.fr>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301 USA
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try:
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import configparser
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except ImportError:
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import ConfigParser as configparser
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import serial
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import sys
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import time
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import argparse
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try:
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serial.Serial
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except AttributeError:
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print("\033[1;37;41m\n")
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print("Something went terribly wrong when loading the pyserial package.")
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print("There is a good chance that you installed the 'serial' package instead")
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print("of 'pyserial'. Try running 'pip uninstall serial && pip install pyserial'")
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print("\033[0m")
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sys.exit(1)
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# default serial port
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defaultport = "/dev/ttyUSB0"
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# default baudrate for serial connection
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defaultbaud = 115200
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="espreset - ESP reset program")
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parser.add_argument("-p", "--port",
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help="Specifies the serial port to use, default is %s"
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% defaultport,
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default=defaultport)
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parser.add_argument("-b", "--baudrate",
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help="Specifies baudrate for the serial port, default "
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"is %s" % defaultbaud,
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default=defaultbaud)
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args = parser.parse_args()
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ser = serial.Serial(port=args.port, dsrdtr=0, rtscts=0)
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ser.baudrate = args.baudrate
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# set RST low and GPIO0 high
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ser.setRTS(1)
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ser.setDTR(0)
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# keep the RST line low for 0.1 seconds
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time.sleep(0.1)
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# set the RST high
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ser.setRTS(1)
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ser.setDTR(1)
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# wait 1 second for boot
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time.sleep(1)
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sys.exit(0)
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