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Add instructions to regenerate speed_lookuptable when changing F_CPU

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Ben Gamari
2012-03-07 18:05:10 -05:00
parent 96509494f0
commit 49b228c4b3
1 changed files with 5 additions and 1 deletions
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6
Marlin/Makefile
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@@ -23,7 +23,9 @@
# 3. Set the line containing "MCU" to match your board's processor.
# Older one's are atmega8 based, newer ones like Arduino Mini, Bluetooth
# or Diecimila have the atmega168. If you're using a LilyPad Arduino,
# change F_CPU to 8000000.
# change F_CPU to 8000000. If you are using Gen7 electronics, you
# probably need to use 20000000. Either way, you must regenerate
# the speed lookup table with create_speed_lookuptable.py.
#
# 4. Type "make" and press enter to compile/verify your program.
#
@@ -42,6 +44,8 @@ MCU = atmega1280
#Arduino install directory
INSTALL_DIR = ../../arduino-0022/
# Be sure to regenerate speed_lookuptable.h with create_speed_lookuptable.py
# if you are setting this to something other than 16MHz
F_CPU = 16000000
UPLOAD_RATE = 115200