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A new beta version is avaiable.
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Look under the Marlin_v1 branch. We also made a tag that you can download.
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This firmware is a mashup between Sprinter, grbl and many original parts.
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(https://github.com/kliment/Sprinter)
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(https://github.com/simen/grbl/tree)
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Features:
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- Interrupt based movement with real linear acceleration
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- High steprate
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- Look ahead (Keep the speed high when possible. High cornering speed)
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- Interrupt based temperature protection
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- preliminary support for Matthew Roberts advance algorithm
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For more info see: http://reprap.org/pipermail/reprap-dev/2011-May/003323.html
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This firmware is optimized for gen6 electronics.
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The default baudrate is 250000.
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This gives less communication errors then regular baudrates.
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========================================================================================
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Configuring and compilation
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Install the arduino software version 0018
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http://www.arduino.cc/en/Main/Software
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Install the sanguino software, version 0018
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http://sanguino.cc/useit
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Install pronterface
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https://github.com/kliment/Printrun
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Copy the Marlin firmware
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https:/github.com/ErikZalm/Marlin
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(Use the download button)
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Start the arduino IDE.
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Select Tools -> Board -> Sanguino
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Select the correct serial port in Tools ->Serial Port
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Open Marlin.pde
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Change the printer specific setting in Configuration.h to the correct values.
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The following values are the most important:
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- float axis_steps_per_unit[].... // Set the correct steps / mm in the corresponding field
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- const bool ENDSTOPS_INVERTING = false; // Change if only positive moves are executed
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- #define INVERT_x_DIR true // Change if the motor direction is wrong
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Click the Upload button
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If all goes well the firmware is uploading
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Start pronterface
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Select the correct Serial Port. Type 250000 in the baudrate field.
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Press the Connect button
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===============================================================================================
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Known issues
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On some systems we get compilation errors.
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This is caused by the "wiring_serial.c" and "wiring.c".
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The simple fix is to delete these files but this may have a performance impact.
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The best workaround is to move these files to sanguino directory.
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(".../arduino-0018/hardware/Sanguino/cores/arduino/" on windows systems)
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