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Date: 2015-09-30
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Author: Sonny Jeon
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| Sergunb |
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Subject: Bug fixes.
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- G38.x was not printing correctly in the $G g-code state reports. Now
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| Sergunb |
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fixed.
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- When investigating the above issue, it was noticed that G38.x
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wouldn’t show at all, but instead a G0 would be printed. This was
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unlike the v0.9j master build. It turned out volatile variables do not
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like to be defined inside a C struct. These are undefined on how to be
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handled. Once pulled out, all weird issues went away.
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- Also changed two ‘sizeof()’ statements in the mc_probe() and
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probe_state_monitor() functions to be more robust later on.
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- Updated the commit logs to individual files for each minor release.
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Forgot to update the generating script to account for this.
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----------------
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Date: 2015-09-30
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| Sergunb |
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Author: Sonny Jeon
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| Sergunb |
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Subject: Minor bug fixes.
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| Sergunb |
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| Sergunb |
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- G38.x was not printing correctly in the $G g-code state reports. Now
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| Sergunb |
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28
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fixed.
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| Sergunb |
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29
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- Potential bug regarding volatile variables inside a struct. It has
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never been a problem in v0.9, but ran into this during v1.0
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development. Just to be safe, the fixes are applied here.
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- Updated pre-built firmwares with these two bug fixes.
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----------------
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Date: 2015-09-24
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Author: Sonny Jeon
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| Sergunb |
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Subject: Updated G28/G30 intermediate motion behavior.
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- G28 and G30’s behavior has been updated from the old NIST g-code
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standard to LinuxCNC’s. Previously when an intermediate motion was
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programmed, the NIST standard would move all axes to the final G28/30
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stored coordinates. LinuxCNC states it only moves the axes specified in
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the command.
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For example, suppose G28’s stored position is (x,y,z) = (1,2,3) for
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simplicity, and we want to do an automated z-axis tool retraction and
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then park at the x,y location. `G28 G91 Z5` will first move the Z axis
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5mm(or inches) up, then move Z to position 3 in machine coordinates.
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Next, the command `G28 G91 X0 Y0` would skip the intermediate move
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since distance is zero, but then move only the x and y axes to machine
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coordinates 1 and 2, respectively. The z-axis wouldn’t move in this
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case, since it wasn’t specified.
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This change is intended to make Grbl more LinuxCNC compatible while
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making commands, like the shown tool retraction, much easier to
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implement.
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----------------
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Date: 2015-09-05
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| Sergunb |
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Author: Sonny Jeon
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| Sergunb |
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Subject: Parking motion bug fix.
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| Sergunb |
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66
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- Parking motion would intermittently complete the queued tool path
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upon resuming in certain scenarios. Now fixed.
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----------------
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Date: 2015-08-29
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Author: Sonny Jeon
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| Sergunb |
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Subject: Optional line number reporting bug fix.
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| Sergunb |
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- Fixed a bug where it would not compile when USE_LINE_NUMBERS was
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enabled.
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----------------
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Date: 2015-08-27
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Author: Sonny Jeon
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Subject: Update README
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86
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----------------
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87
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Date: 2015-08-27
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Author: Sonny Jeon
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Subject: v1.0 Beta Release.
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- Tons of new stuff in this release, which is fairly stable and well
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tested. However, much more is coming soon!
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93
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- Real-time parking motion with safety door. When this compile option
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| Sergunb |
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is enabled, an opened safety door will cause Grbl to automatically feed
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| Sergunb |
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hold, retract, de-energize the spindle/coolant, and parks near Z max.
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After the door is closed and resume is commanded, this reverses and the
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program continues as if nothing happened. This is also highly
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configurable. See config.h for details.
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100
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- New spindle max and min rpm ‘$’ settings! This has been requested
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often. Grbl will output 5V when commanded to turn on the spindle at its
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| Sergunb |
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max rpm, and 0.02V with min rpm. The voltage and the rpm range are
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| Sergunb |
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linear to each other. This should help users tweak their settings to
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get close to true rpm’s.
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- If the new max rpm ‘$’ setting is set = 0 or less than min rpm, the
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spindle speed PWM pin will act like a regular on/off spindle enable
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pin. On pin D11.
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110
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- BEWARE: Your old EEPROM settings will be wiped! The new spindle rpm
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settings require a new settings version, so Grbl will automatically
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wipe and restore the EEPROM with the new defaults.
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114
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- Control pin can now be inverted individually with a
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CONTROL_INVERT_MASK in the cpu_map header file. Not typical for users
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to need this, but handy to have.
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118
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- Fixed bug when Grbl receive too many characters in a line and
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| Sergunb |
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overflows. Previously it would respond with an error per overflow
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character and another acknowledge upon an EOL character. This broke the
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streaming protocol. Now fixed to only respond with an error after an
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EOL character.
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124
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125
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- Fixed a bug with the safety door during an ALARM mode. You now can’t
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home or unlock the axes until the safety door has been closed. This is
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127
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for safety reasons (obviously.)
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128
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129
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- Tweaked some the Mega2560 cpu_map settings . Increased segment buffer
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size and fixed the spindle PWM settings to output at a higher PWM
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frequency.
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132
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| Sergunb |
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133
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- Generalized the delay function used by G4 delay for use by parking
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| Sergunb |
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motion. Allows non-blocking status reports and real-time control during
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| Sergunb |
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135
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re-energizing of the spindle and coolant.
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136
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137
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- Added spindle rpm max and min defaults to default.h files.
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138
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139
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- Added a new print float for rpm values.
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140
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