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Printrbot Talk Forum • View topic - Fixing Printrbot's "Legacy" firmware

Fixing Printrbot's "Legacy" firmware

Code hacking talk

Fixing Printrbot's "Legacy" firmware

Postby RetireeJay » 2016-Feb-Tue-18-Feb

  • 0

Printrbot Plus operational January 2013
Brass threaded rods (5/16" X 18) & nuts for Z axis
GT2 belts & pulleys
Cable chain to reduce probability of fatigue failure in wires
E3D V5 Hot End, 0.4mm nozzle, also 0.8 and 0.25 in use occasionally
PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
Injection molded extruder gears
Optical Z "endstop" (custom designed and built)
Have used many pounds of T-Glase filament. Now also doing some work with Ninjaflex SemiFlex
Print on glass with Scotch Craft Stick or other glue stick
"My next printer is..." Prusa i3 MK3, upgraded to MK3S
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RetireeJay
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Location: Greenville, SC
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Fixing Printrbot's "Legacy" firmware

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Re: Fixing Printrbot's "Legacy" firmware

Postby RetireeJay » 2016-Feb-Mon-14-Feb

  • 0

Printrbot Plus operational January 2013
Brass threaded rods (5/16" X 18) & nuts for Z axis
GT2 belts & pulleys
Cable chain to reduce probability of fatigue failure in wires
E3D V5 Hot End, 0.4mm nozzle, also 0.8 and 0.25 in use occasionally
PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
Injection molded extruder gears
Optical Z "endstop" (custom designed and built)
Have used many pounds of T-Glase filament. Now also doing some work with Ninjaflex SemiFlex
Print on glass with Scotch Craft Stick or other glue stick
"My next printer is..." Prusa i3 MK3, upgraded to MK3S
User avatar
RetireeJay
My next printer is...
 
Posts: 5014
Joined: 2013-Jan-Wed-13-Jan
Location: Greenville, SC
Reputation: 498

Re: Fixing Printrbot's "Legacy" firmware

Postby Mooselake » 2016-Feb-Mon-16-Feb

It looks like "dummy" is dependent on PIDTEMP being undefined (it's declared in ConfigurationStore.cpp line 81), so if that gets defined you might have a problem. You need to use a float (well, or something that has the same sizeof()). I didn't dig real deep...

An alternative would be to remove the bed leveling variables from EEPROM, and change the version (forget where that is) to force initializing the EEPROM the first time you execute the new version.

I'm not sure why your for loop didn't work. I initially thought it was a problem with using post decrement, but that wasn't it. It should have executed the loop 3 times, what you wanted. I imagine I'm missing something obvious, despite blowing the dust off K&R and doing some review.

Kirk
  • 0

Modified KickStarter Classic Plus 7/2012
KS Thingybot Delta Pro 10/31/16
Creality Ender 3 Pro 12/2019
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Mooselake
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Re: Fixing Printrbot's "Legacy" firmware

Postby RetireeJay » 2016-Feb-Mon-16-Feb

  • 0

Printrbot Plus operational January 2013
Brass threaded rods (5/16" X 18) & nuts for Z axis
GT2 belts & pulleys
Cable chain to reduce probability of fatigue failure in wires
E3D V5 Hot End, 0.4mm nozzle, also 0.8 and 0.25 in use occasionally
PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
Injection molded extruder gears
Optical Z "endstop" (custom designed and built)
Have used many pounds of T-Glase filament. Now also doing some work with Ninjaflex SemiFlex
Print on glass with Scotch Craft Stick or other glue stick
"My next printer is..." Prusa i3 MK3, upgraded to MK3S
User avatar
RetireeJay
My next printer is...
 
Posts: 5014
Joined: 2013-Jan-Wed-13-Jan
Location: Greenville, SC
Reputation: 498


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