Geeetech

Instructions of the Firmware Burning through USB Connection of GTM32 (REV B)

Download the firmware here:
http://www.geeetech.com/forum/viewtopic ... 20&t=17046
Note: this is the latest firmware V1.0.5, updated in 3-30-2016, fixed some bugs. For further information please come to here:
http://www.geeetech.com/forum/viewtopic ... 20&t=17279

Note: If your GTM32 board is using the USB port like this one, then you need to install the firmware as follows. And if your board is REV A that has a micro USB port, then please come to this link:
http://www.geeetech.com/forum/viewtopic ... 20&t=17173 Preparations for firmware burning:
1) Download the software for burning: Flash Loader Demonstrator V2.6.0：
http://www.geeetech.com/wiki/images/3/3 ... trator.zip

2) After downloading, please unzip the software and install it.
3) Unzip to get this file: Double-click to do installation: For the setting here, please follow its default: Here you can choose to install it in different destination folders. Here we select the D drive:
So far, the installation is completed.

Firmware burning

Note: All of the pins are on high electrical level when you are burning the firmware. So the extruder and the hot bed will be in a state of being heated. Please make sure to turn off the main power or unplug the plug of the hot bed and heating rod in order to protect you from being burned.

1) Before burning the firmware through USB connection, you need to insert 2 corresponding jumper caps on the control board.
2) Connect USB cable. After the successful connection with computer, you need to press the RESET button in the top right corner of the control board to reset. 3) Open the Flash Loader Demonstrator:
Confirm the COM port, for the rest please do the setting as default. Click the Next. As shown in the following picture, choose the firmware you need to burn, and click Next to install it. It means the burning is successful if you see the words of “download operation finished successfully!”, as shown in the following picture.
Attention: be sure to remove the jumper caps after installing the firmware.

Hi,
what are the differences between Rev A and Rev B version of the GTM32 ?
I see at least : the USB connector, the CMS mosfets...

the two points you said are all the differences between this two boards, no other difference.

Hi Mark, the link for the Flash Loader Demonstrator V2.8.0 is not functioning anymore

Thanks mate, I'll upload the tool later as I'm not at work this weekend.

Hi...thanks for sharing this useful information here. I want to know if any other difference is there in both versions other than discussed? Can you please tell me when these release happened? Also i want to know what more applications it added into its features?

Just the USB connector, the CMS mosfets...That's all..

Hi, i made changes to the M201 printer: i've installed a E3dv6 hotend, so no more mixing filament. How do i customize the firmware for this change. IE : ive have another thermistor + the second steppermotor is still being controled.

I only can see the .hex code, not something i can edit using arduino.

@MartinHuigh
The firmware for M201 is not open source,and you don't need to make the change in the firmware cuz it just lose the mixer function when you change a E3dv6 hotend.

OK, it's clear for me now... I'll replace the GTM32 board with something open source. I'll keep the 2to1 extruder + GTM32 board apart as a set for future projects, for now my desire is to print with 1 extruder and a opensource board with Marlin. ( I''ll just recently stepped into 3d printing and bought a used M201)