How to upload firmware for GTM32 Pro board?

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Toy
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How to upload firmware for GTM32 Pro board?

Post by Toy » Thu Aug 25, 2016 6:15 pm

Firstly,download the firmware from here:
http://www.geeetech.com/forum/viewtopic ... 20&t=17046
We take Rocstock 301 as a example.
Before uploading the firmware, you need to install:
Hyper Terminal :
HyperTerminal.zip
(226.48 KiB) Downloaded 3333 times
1.Connect the USB cable to your computer.
Open HyperTerminnal,then input any character or number you like:
8.png
8.png (58.38 KiB) Viewed 72979 times
2.Select the corresponding COM port:
QQ截图20161022114808.jpg
QQ截图20161022114808.jpg (14.71 KiB) Viewed 72350 times
3.Select the Baud Rate "115200" and Flow control "None":
9.png
9.png (42.24 KiB) Viewed 72979 times
4.Click and hold "C" button on the keyboard,then click the following button until some chinese writings display:
10.png
10.png (152.15 KiB) Viewed 72979 times
11.png
11.png (65.44 KiB) Viewed 72979 times
5.Push "1" on the keyboard and the following button in HyperTerminnal to load the firmware:
12.png
12.png (115.79 KiB) Viewed 72979 times
6.Load the firmware and select "Ymodem" as protocol,then send the firmware:
13.png
13.png (54.79 KiB) Viewed 72979 times
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15.png (119.45 KiB) Viewed 72979 times
Note:
1. When uploading the firmware, you can only use one port on PC, or it will hints that the port is occupied, and the burning can’t be finished.
2. If some error messages appear during uploading, close the software and try again.
Let me know please if you have any question about it.
In addition,here is a guide on how to level the bed:
Rostock 301 leveling guide.zip
(380.41 KiB) Downloaded 5444 times

ric chin
Posts: 71
Joined: Mon Jun 22, 2015 1:12 pm

Re: The Restock 301(STM32 Pro Board) Firmware Burning Steps

Post by ric chin » Sun Sep 11, 2016 4:24 am

Is there any explanation for why the 301 retracts more filament than it extrudes...i have measured it and its 3 times the amount extrusion advance verses the retraction...the filament is half way up the tube before it starts the extrusion push again....very frustrating....is this in the firmware?....i have tried every filament setting in slicer and to no avail....this happened before with the prusa i3 and m201 till you guys fixed the firmware....no extrusion while printing and massive retraction compared to the advance....

ric chin
Posts: 71
Joined: Mon Jun 22, 2015 1:12 pm

Re: The Restock 301(STM32 Pro Board) Firmware Burning Steps

Post by ric chin » Sun Sep 11, 2016 4:26 am

You think you could supply the jumper with the board....???

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William
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Re: The Restock 301(STM32 Pro Board) Firmware Burning Steps

Post by William » Mon Sep 12, 2016 10:13 am

ric chin wrote:Is there any explanation for why the 301 retracts more filament than it extrudes...i have measured it and its 3 times the amount extrusion advance verses the retraction...the filament is half way up the tube before it starts the extrusion push again....very frustrating....is this in the firmware?....i have tried every filament setting in slicer and to no avail....this happened before with the prusa i3 and m201 till you guys fixed the firmware....no extrusion while printing and massive retraction compared to the advance....
Hi,
What you exactly mean by saying "the 301 retracts more filament than it extrudes"?
The extruder restracts depends on its restraction length,doesn't it?
-Keep your mind and try to test it. :)
-Everything will be fun!-Support all Getech printer.
-You can ask me the questions and I will kindly reply.
-Respect others is the best way you can get help!

ric chin
Posts: 71
Joined: Mon Jun 22, 2015 1:12 pm

Re: The Restock 301(STM32 Pro Board) Firmware Burning Steps

Post by ric chin » Wed Sep 14, 2016 7:11 am

well what happens is ...I start the print by heating.. I make sure I run out 50mill of filament, then home everything then hit the print button....it starts the perimeter run..then when ever it changes direction or later, moves to the next layer...the retraction starts...its half way up the tube and when it starts printing again there is no filament to the head...its still half way up the tube...but creeping down as if all is good...only way to deal with this currently is to manually force the filament down the tube till you see stuff pulp out the nozzle and unpause it...every time it changes direction or layers...can you diagnose and fix?

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William
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Re: The Restock 301(STM32 Pro Board) Firmware Burning Steps

Post by William » Wed Sep 14, 2016 2:46 pm

ric chin wrote:well what happens is ...I start the print by heating.. I make sure I run out 50mill of filament, then home everything then hit the print button....it starts the perimeter run..then when ever it changes direction or later, moves to the next layer...the retraction starts...its half way up the tube and when it starts printing again there is no filament to the head...its still half way up the tube...but creeping down as if all is good...only way to deal with this currently is to manually force the filament down the tube till you see stuff pulp out the nozzle and unpause it...every time it changes direction or layers...can you diagnose and fix?
It's so weird...
Did you try uploading the firmware again?
And what value is your restraction length in slicer setting (see the following picture)?
QQ截图20160914144336.jpg
QQ截图20160914144336.jpg (58.76 KiB) Viewed 72842 times
-Keep your mind and try to test it. :)
-Everything will be fun!-Support all Getech printer.
-You can ask me the questions and I will kindly reply.
-Respect others is the best way you can get help!

ric chin
Posts: 71
Joined: Mon Jun 22, 2015 1:12 pm

Re: The Restock 301(STM32 Pro Board) Firmware Burning Steps

Post by ric chin » Thu Sep 15, 2016 12:25 pm

here is a video you can watch the retraction here...I used left hand metal drives for reasons...don't pay any attention to the name....things have changed..
https://www.facebook.com/Geeetechhaters ... 624671618/

ric chin
Posts: 71
Joined: Mon Jun 22, 2015 1:12 pm

Re: The Restock 301(STM32 Pro Board) Firmware Burning Steps

Post by ric chin » Thu Sep 15, 2016 12:30 pm

here is a video you can watch the retraction here...I used left hand metal drives for reasons...don't pay any attention to the name....things have changed..
https://www.facebook.com/Geeetechhaters ... 624671618/

settings are on zero in slicer when video was made....saved re sliced and that is what happened..

ric chin
Posts: 71
Joined: Mon Jun 22, 2015 1:12 pm

Re: The Restock 301(STM32 Pro Board) Firmware Burning Steps

Post by ric chin » Sat Sep 17, 2016 12:08 am

Any help with the over retraction on the 301 ??? have you watched the video? Is it in the firmware...??? if not, where do I fix this problem.?

ric chin
Posts: 71
Joined: Mon Jun 22, 2015 1:12 pm

Re: The Restock 301(STM32 Pro Board) Firmware Burning Steps

Post by ric chin » Sat Sep 17, 2016 3:52 am

I think I have found a possible cause...
when you increase the filament extrusion multiplier...for a thicker print..for example.
the retraction rate goes up exponentially...so much so, it voids the head of all filament...

Can you fix this?

It does not seem to be an issue on the Pro C or M201....

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