ManuelW/grbl-LPC-CoreXY
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Objective-C 1.4%
Makefile 0.9%
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909feb7f79
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Sonny Jeon 909feb7f79 Re-organized status messages to be more coherent and centralized. 
- Reorganized all of the status message feedback from both the g-code
parser and settings modules to be centralized into two message modules:
status feedback from executing a line and warnings for misc feedback.

- Pulled out the printPgmString() messages in settings.c and placed it
into the new module. (settings_dump() not moved).

- Some other minor edits. Renaming defines, comment updates, etc.
2012-10-21 16:55:59 -06:00
doc No changes. Github commit bug. 2012-06-27 07:06:24 -06:00
script No changes. Github commit bug. 2012-06-27 07:06:24 -06:00
.gitignore merged master 2011-01-31 19:42:56 +01:00
config.h Re-organized status messages to be more coherent and centralized. 2012-10-21 16:55:59 -06:00
coolant_control.c Minor prescalar optimization. Changed up some defines. 2012-09-21 17:55:02 -06:00
coolant_control.h Added coolant control (M7*, M8, M9). Mist control can be enabled via config.h. 2012-09-21 11:14:13 -06:00
COPYING No changes. Github commit bug. 2012-06-27 07:06:24 -06:00
eeprom.c formatting 2011-01-31 23:04:39 +01:00
eeprom.h No changes. Github commit bug. 2012-06-27 07:06:24 -06:00
gcode.c Re-organized status messages to be more coherent and centralized. 2012-10-21 16:55:59 -06:00
gcode.h Updated limit/homing routine. Works, but needs more TLC. 2012-09-30 19:57:10 -06:00
limits.c Hard limits code minor updates. 2012-10-18 21:29:07 -06:00
limits.h Minor updates, improvements, and bug fixes. 2012-10-13 13:11:43 -06:00
main.c Hard limits, homing direction, pull-off limits after homing, status reports in mm or inches, system alarm, and more. 2012-10-16 21:29:45 -06:00
Makefile Added coolant control (M7*, M8, M9). Mist control can be enabled via config.h. 2012-09-21 11:14:13 -06:00
motion_control.c Hard limits code minor updates. 2012-10-18 21:29:07 -06:00
motion_control.h Limit pin internal pull-resistors enabled. Re-wrote read_double() function. Correctly changed all 'double's to 'float's. 2012-10-08 15:57:58 -06:00
nuts_bolts.c Updated delay_us() function to accept long integers 2012-10-12 08:27:14 -06:00
nuts_bolts.h Hard limits code minor updates. 2012-10-18 21:29:07 -06:00
planner.c Minor updates, improvements, and bug fixes. 2012-10-13 13:11:43 -06:00
planner.h Limit pin internal pull-resistors enabled. Re-wrote read_double() function. Correctly changed all 'double's to 'float's. 2012-10-08 15:57:58 -06:00
print.c (2x) speed increase in printFloat() function. Decimal places setting added. 2012-10-11 22:43:54 -06:00
print.h Limit pin internal pull-resistors enabled. Re-wrote read_double() function. Correctly changed all 'double's to 'float's. 2012-10-08 15:57:58 -06:00
protocol.c Re-organized status messages to be more coherent and centralized. 2012-10-21 16:55:59 -06:00
protocol.h Re-organized status messages to be more coherent and centralized. 2012-10-21 16:55:59 -06:00
readme.textile Added step pulse delay after direction set (Compile-time option only). Updated read me. 2012-06-26 21:48:42 -06:00
serial.c Re-organized status messages to be more coherent and centralized. 2012-10-21 16:55:59 -06:00
serial.h No changes. Github commit bug. 2012-06-27 07:06:24 -06:00
settings.c Re-organized status messages to be more coherent and centralized. 2012-10-21 16:55:59 -06:00
settings.h Re-organized status messages to be more coherent and centralized. 2012-10-21 16:55:59 -06:00
spindle_control.c Added coolant control (M7*, M8, M9). Mist control can be enabled via config.h. 2012-09-21 11:14:13 -06:00
spindle_control.h Added coolant control (M7*, M8, M9). Mist control can be enabled via config.h. 2012-09-21 11:14:13 -06:00
stepper.c Hard limits, homing direction, pull-off limits after homing, status reports in mm or inches, system alarm, and more. 2012-10-16 21:29:45 -06:00
stepper.h Minor updates, improvements, and bug fixes. 2012-10-13 13:11:43 -06:00

readme.textile 

h1. Grbl - An embedded g-code interpreter and motion-controller for the Arduino/AVR328 microcontroller
    
Grbl is a no-compromise, high performance, low cost alternative to parallel-port-based motion control for CNC milling. It will run on a vanilla Arduino (Duemillanove/Uno) as long as it sports an Atmega 328. 

The controller is written in highly optimized C utilizing every clever feature of the AVR-chips to achieve precise timing and asynchronous operation. It is able to maintain more than 30kHz of stable, jitter free control pulses.

It accepts standards-compliant G-code and has been tested with the output of several CAM tools with no problems. Arcs, circles and helical motion are fully supported, as well as, other basic functional g-code commands. Functions and variables are not currently supported, but may be included in future releases in a form of a pre-processor.

Grbl includes full acceleration management with look ahead. That means the controller will look up to 18 motions into the future and plan its velocities ahead to deliver smooth acceleration and jerk-free cornering.

*Changelog for v0.8 from v0.7:*
  - *ALPHA status: _Under heavy development. Code state may significantly change with each push as new features are integrated._*
  - Major structural overhaul to allow for multi-tasking events and new feature sets
  - New run-time command control: Feed hold (pause), Cycle start (resume), Reset (abort), Status reporting
  - Controlled feed hold with deceleration to ensure no skipped steps and loss of location.
  - After feed hold, cycle accelerations are re-planned and may be resumed.
  - Re-factored g-code parser with robust error-checking.
  - Work coordinate system (G54), offsets(G92), and machine coordinate system support. G10 work coordinate settings support. (Up to 6 work coordinate systems(G54-G59) available as a compile-time option.)
  - Program stop(M0,M1*,M2,M30) initial support. Optional stop to do.
  - System reset re-initializes grbl without resetting the Arduino and retains machine/home position and work coordinates.
  - Restructured planner and stepper modules to become independent and ready for future features.
  - Reduced serial read buffer to 128 characters and increased write buffer to 64 characters.
  - Misc bug fixes and removed deprecated acceleration enabled code.  
  - Planned features: Jog mode, full-featured status reporting, runtime settings such as toggling block delete.
  - Advanced compile-time options: Up to 6 work coordinate systems(G54-G59), XON/XOFF flow control (limited support), direction and step pulse time delay.
  

*Important note for Atmega 168 users:* Going forward, support for Atmega 168 will be dropped due to its limited memory and speed. However, legacy Grbl v0.51 "in the branch called 'v0_51' is still available for use.

_The project was initially inspired by the Arduino GCode Interpreter by Mike Ellery_