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#!/usr/bin/python
import serial
import os
from struct import pack
try:
ser = serial.Serial('/dev/ttyACM0', baudrate=115200)
ser.open()
# pull dtr and rts low
ser.setRTS(0)
ser.setDTR(0)
# toggle DTR
ser.setDTR(1)
ser.setDTR(0)
programDelay = pack("b",35)
ser.write(programDelay)
# close
ser.close()
except:
print "Failed to open the serial port for reset, perhaps this is your first upload or the board was already in bootloader mode"
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