63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of chaosc
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#
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# chaosc is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# chaosc 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
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with chaosc. If not, see <http://www.gnu.org/licenses/>.
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#
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# Copyright (C) 2014 Stefan Kögl
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# used this line before opening that script
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# socat -d -d PTY,raw,echo=0,link=/tmp/pty1,b115200,user=stefan PTY,raw,echo=0,link=/tmp/pty2,b115200,user=stefan
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from __future__ import absolute_import
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import serial, time, random, sys, random, struct
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serial_sock = serial.Serial()
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serial_sock.port = sys.argv[1]
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serial_sock.baudrate = 115200
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serial_sock.timeout = 0
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serial_sock.open()
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class DataGenenerator(object):
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def __init__(self):
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self.get_i = 0
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def read(self):
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value = None
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if self.get_i == 0:
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value = random.randint(1, 254)
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elif self.get_i == 1:
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value = random.sample((1, 245), 1)[0]
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elif self.get_i == 2:
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value = 0
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elif self.get_i == 3:
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value = 255
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elif self.get_i == 4:
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value = random.randint(1, 255)
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elif self.get_i == 5:
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value = random.randint(1, 255)
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self.get_i = (self.get_i + 1) % 6
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return value
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r = DataGenenerator()
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while 1:
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serial_sock.write(struct.pack("B", r.read()))
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time.sleep(0.02)
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