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cpu/esp8266: reset tool to allow automatic tests
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#!/usr/bin/env python3 | ||
# -*- coding: utf-8 -*- | ||
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# Copyright (C) 2019 Gunar Schorcht <[email protected]> | ||
# 2014 Oliver Hahm <[email protected]> | ||
# | ||
# This library is free software; you can redistribute it and/or | ||
# modify it under the terms of the GNU Lesser General Public | ||
# License as published by the Free Software Foundation; either | ||
# version 2.1 of the License, or (at your option) any later version. | ||
# | ||
# This library is distributed in the hope that it will be useful, | ||
# but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
# Lesser General Public License for more details. | ||
# | ||
# You should have received a copy of the GNU Lesser General Public | ||
# License along with this library; if not, write to the Free Software | ||
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | ||
# 02110-1301 USA | ||
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try: | ||
import configparser | ||
except ImportError: | ||
import ConfigParser as configparser | ||
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import serial | ||
import sys | ||
import time | ||
import argparse | ||
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try: | ||
serial.Serial | ||
except AttributeError: | ||
print("\033[1;37;41m\n") | ||
print("Something went terribly wrong when loading the pyserial package.") | ||
print("There is a good chance that you installed the 'serial' package instead") | ||
print("of 'pyserial'. Try running 'pip uninstall serial && pip install pyserial'") | ||
print("\033[0m") | ||
sys.exit(1) | ||
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# default serial port | ||
defaultport = "/dev/ttyUSB0" | ||
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# default baudrate for serial connection | ||
defaultbaud = 115200 | ||
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if __name__ == "__main__": | ||
parser = argparse.ArgumentParser(description="espreset - ESP reset program") | ||
parser.add_argument("-p", "--port", | ||
help="Specifies the serial port to use, default is %s" | ||
% defaultport, | ||
default=defaultport) | ||
parser.add_argument("-b", "--baudrate", | ||
help="Specifies baudrate for the serial port, default " | ||
"is %s" % defaultbaud, | ||
default=defaultbaud) | ||
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args = parser.parse_args() | ||
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ser = serial.Serial(port=args.port, dsrdtr=0, rtscts=0) | ||
ser.baudrate = args.baudrate | ||
# set RST low and GPIO0 high | ||
ser.setRTS(1) | ||
ser.setDTR(0) | ||
# keep the RST line low for 0.1 seconds | ||
time.sleep(0.1) | ||
# set the RST high | ||
ser.setRTS(1) | ||
ser.setDTR(1) | ||
# wait 1 second for boot | ||
time.sleep(1) | ||
sys.exit(0) |