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jwaldha
Newbie

Joined: 14/01/2016
Location: Hungary
Posts: 10

Posted: 07:34am 07 May 2017

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sagt3k said
1) Given the features of moving the COM2 on others pins (COM2 sw), Can We also have the firmware for the 44pin?
2) Do you think keep this code aligned with Geoff's features in future ? Obviously with the approval of Geoff and guru of project.

1) No, because unfortunately I do not have 44-pin MX270 version HW available to me.
2) Yes, I'm planning this.Edited by jwaldha 2017-05-08

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JWaldha

kiiid

Guru

Joined: 11/05/2013
Location: United Kingdom
Posts: 671

Posted: 08:25am 18 May 2017

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Updated HEX file for the 44-pin MX270 chip to solve a critical bug in the SPI clock when USB is attached.

2017-05-18_182444_Micromite-MX270D.X.production.hex.zip

http://rittle.org

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drkl

Senior Member

Joined: 18/10/2015
Location: Hungary
Posts: 102

Posted: 11:09pm 19 Jun 2017

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Hi,
The MM28STICK is ready!

Using direct USB communication, the PIC32MX270F256B microcontroller can also be used for MMBasic running. Due to the reduced number of usable pins, it is worth using MikroBUS connector assignment to create a directly plug-in USB board that I named MMSTICK28. Two USB ports are available, one standard and one microUSB connector.

The circuit diagram:

The terminals for the RX and TX terminals of the microBUS connector or the COTX (11) and CORX (12) terminals of the original console or the COM2 port TX (6) and RX (7) can be connected using the JP2 jumper. JP1 connector for updating the microprocessor program.

Here is the production documentation(EAGLE)
2017-06-20_084816_mm28stick.zip

drkl

kiiid

Guru

Joined: 11/05/2013
Location: United Kingdom
Posts: 671

Posted: 11:49pm 19 Jun 2017

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Further to the topic: MX270D MMBasic v5.4

2017-06-20_094554_Micromite-MX270D.X.production.hex.zip

http://rittle.org

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sagt3k

Guru

Joined: 01/02/2015
Location: Italy
Posts: 313

Posted: 07:54pm 11 Oct 2018

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Hi jwaldha

Have you developed new features on PIC32MX270/USB with new versions of MMBasic ?

Thanks
AntonioEdited by sagt3k 2018-10-13

sagt3k

Guru

Joined: 01/02/2015
Location: Italy
Posts: 313

Posted: 01:02pm 30 Nov 2018

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Hi to Everybody

I'm working with old firmware of "jwaldha" very convenient for small projects with low costs, it is ideal, just a micro, usb and quartz and so on.
There is no chance to have PIC32MX270 with MMBasic with management of USB aligned with the latest versions?

Thanks
Antonio

kermess
Regular Member

Joined: 04/04/2013
Location: Spain
Posts: 45

Posted: 06:28pm 12 Feb 2020

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good afternoon
I am working on an IoT project.
Using a PIC32MX270 with this firmware.
2017-06-20_094554_Micromite-MX270D.X.production.hex.zip
I am testing all active pins.
2, 3, 4, 5, 6, 7, 11, 12, 14, 16, 17, 18, 24, 25 and 26
I define them as "Output" .... SetPin x,dout and then
manually from Teraterm I do setpin(x)= 1 and setpin(x)= 0.
All work except for pin (11) that is always at "1" and pin (25) that is always at "0".
I tried it on two MX270 chips and the problem is reproduced.
Can you think of something?
Thank you
Regards David

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