39 lines
767 B
Python
39 lines
767 B
Python
#! /usr/bin/env python
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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!@#$%^&*(){}");
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buf = ser.read(75);
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cycles += 1
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if buf != "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*(){}" :
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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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