57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
#! /usr/bin/env python
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#
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# This file is part of the libopencm3 project.
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#
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# Copyright (C) 2011 Piotr Esden-Tempski <piotr@esden.net>
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser 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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# 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
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# GNU 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 License
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# along with this library. If not, see <http://www.gnu.org/licenses/>.
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#
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import serial
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import signal
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import sys
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import time
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def signal_handler(signal, frame):
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print 'You pressed Ctrl+C!'
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ser.close();
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sys.exit(0)
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signal.signal(signal.SIGINT, signal_handler);
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ser = serial.Serial('/dev/cu.usbmodemDEM1', 115200, timeout=0.05);
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error = 0
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tim = time.time();
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cycles = 0
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while 1==1:
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ser.write("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*(){}");
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buf = ser.read(1024);
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cycles += 1
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if buf != "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*(){}" :
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error+=1
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print "received " + buf + " errors: " + str(error) + " cycles: " + str(cycles) + " runtime: " + str(time.time() - tim)
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#time.sleep(0.1);
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ser.close();
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