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serialhdl: Don't open port at 1200 baud

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The 1200 baud trick on the Arduino Due does both a reset and an
erase.  The erase is not desired.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-10-12 21:21:49 -04:00
parent 07a69df62f
commit e0f275cddf
2 changed files with 10 additions and 10 deletions
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6
klippy/serialhdl.py
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@ -272,11 +272,11 @@ def stk500v2_leave(ser, reactor):
# Attempt an arduino style reset on a serial port
def arduino_reset(serialport, reactor):
# First try opening the port at 1200 baud
ser = serial.Serial(serialport, 1200, timeout=0)
# First try opening the port at a different baud
ser = serial.Serial(serialport, 2400, timeout=0)
ser.read(1)
reactor.pause(reactor.monotonic() + 0.100)
# Then try toggling DTR
# Then toggle DTR
ser.dtr = True
reactor.pause(reactor.monotonic() + 0.100)
ser.dtr = False