1 # Copyright 2010 The Android Open-Source Project 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License 14 15 import serial 16 import time 17 import sys 18 19 if len(sys.argv) != 2: 20 print "Please specify a port, e.g. %s /dev/ttyUSB0" % sys.argv[0] 21 sys.exit(-1) 22 23 ser = serial.Serial(sys.argv[1]) 24 ser.setDTR(1) 25 time.sleep(0.25) 26 ser.setDTR(0) 27 ser.close() 28
