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Initial v0.8 ALPHA commit. Features multi-tasking run-time command execution (feed hold, cycle start, reset, status query). Extensive re-structuring of code for future features.

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- ALPHA status. - Multitasking ability with run-time command executions
for real-time control and feedback. - Decelerating feed hold and resume
during operation. - System abort/reset, which immediately kills all
movement and re-initializes grbl. - Re-structured grbl to easily allow
for new features: Status reporting, jogging, backlash compensation. (To
be completed in the following releases.) - Resized TX/RX serial buffers
(32/128 bytes) - Increased planner buffer size to 20 blocks. - Updated
documentation.
This commit is contained in:
Sonny Jeon
2011-12-08 18:47:48 -07:00
parent 292fcca67f
commit 03e2ca7cd5
23 changed files with 841 additions and 477 deletions
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14
doc/structure.txt
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@@ -4,7 +4,8 @@ The general structure of Grbl
The main processing stack:
'protocol' : Accepts command lines from the serial port and passes them to 'gcode' for execution.
Provides status responses for each command.
Provides status responses for each command. Also manages run-time commands set by
the serial interrupt.
'gcode' : Recieves gcode from 'protocol', parses it according to the current state
of the parser and issues commands via '..._control' modules
@@ -14,8 +15,8 @@ The main processing stack:
'motion_control' : Accepts motion commands from 'gcode' and passes them to the 'planner'. This module
represents the public interface of the planner/stepper duo.
'planner' : Recieves linear motion commands from 'motion_control' and adds them to the plan of
prepared motions. It takes care of continously optimizing the acceleration profile
'planner' : Receives linear motion commands from 'motion_control' and adds them to the plan of
prepared motions. It takes care of continuously optimizing the acceleration profile
as motions are added.
'stepper' : Executes the motions by stepping the steppers according to the plan.
@@ -27,15 +28,16 @@ Supporting files:
'config.h' : Compile time user settings
'settings' : Maintains the run time settings record in eeprom and makes it availible
'settings' : Maintains the run time settings record in eeprom and makes it available
to all modules.
'eeprom' : A library from Atmel that provides methods for reading and writing the eeprom with
a small addition from us that read and write binary streams with check sums used
to verify validity of the settings record.
'nuts_bolts.h' : A tiny collection of useful constants and macros used everywhere
'nuts_bolts.h' : A collection of global variable definitions, useful constants, and macros used everywhere
'serial' : Low level serial communications
'serial' : Low level serial communications and picks off run-time commands real-time for asynchronous
control.
'print' : Functions to print strings of different formats (using serial)