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#!/usr/bin/python
import serial
import time
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)
# Some versions of python seem to throw an IOError on this line.
# I have no idea why and don't have any time to look at it.
# Just catch it for now.
#
# Error msg:
#
# Traceback (most recent call last):
# File "./reset.py", line 15, in <module>
# ser.setDTR(0)
# File "/usr/lib/python2.6/dist-packages/serial/serialposix.py", line 388, in setDTR
# fcntl.ioctl(self.fd, TIOCMBIC, TIOCM_DTR_str)
# IOError: [Errno 84] Invalid or incomplete multibyte or wide character
try:
ser.setDTR(0)
except IOError:
print "IOError caught"
# close
ser.close()
time.sleep(1)
print "Done"
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