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#!/usr/bin/env python
import os
import sys
import serial
import base64
from time import sleep
ser = serial.Serial('/dev/ttyUSB1', 38400, timeout=0.5, rtscts=0)
count = 10000
i = 0
error_count = 0
error_size = 0
size = 0
while i < 10000 :
i += 1
#sleep( 5 )
string = base64.urlsafe_b64encode(os.urandom(10))
#string = 'abcdefgh'
ser.write(string)
length = len(string)
size += length
print i, "[ ", length, " B ]: ", string
#if ser.read(8) != 'abcdefgh':
if ser.read(length) != string:
error_count += 1
error_size += length
print 'error count: %i/%i, error size: %i/%i' % (error_count, count,
error_size, size)
sys.exit(0)
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