bugAVR Downloader/UploaDEr - Bugs: bug #37727, Add support for LM3S811 dev board...


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bug #37727: Add support for LM3S811 dev board as a programmer

Submitted by:  Hermann Kraus <herm>
Submitted on:  Tue 13 Nov 2012 12:21:20 AM UTC  
Category:  None Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  Fixed Privacy:  Public
Assigned to:  Rene Liebscher <rliebscher> Originator Name:  Hermann Kraus
Open/Closed:  Closed Release:  None
Programmer hardware:  Device type: 

Tue 13 Nov 2012 09:47:14 PM UTC, comment #2:

Implemented in svn revision 1106.

One pin can be inverted by ~ <num>.
More pins can be inverted by ~ ( <num> , <num> , ... ).

There is no possibility at the moment to have inverted some pins and others not.

Rene Liebscher <rliebscher>
Project MemberIn charge of this item.
Tue 13 Nov 2012 07:24:17 AM UTC, comment #1:

There is also another patch for inverted pins, see bug #35186 "inverting pins with "~" doesn't work for pin lists (i.e. vcc)".

I would prefer to implement the solution proposed there { using "~(1,2,3) } or even implement a solution where single pins can be used normal or inverted. This would then also work for the other board mentioned below.

Rene Liebscher <rliebscher>
Project MemberIn charge of this item.
Tue 13 Nov 2012 12:21:20 AM UTC, original submission:

The LM3S811 dev board (Rev. A) uses a FT2232D chip and has all the relevant pins brought out to a pin header. So it is possible to use this board as an AVR programmer. However it needs and active high BUFF pin.

Schematic for this board is available here:

I attached a patch to support inverting the BUFF pin, fix a bug in avrftdi.c resulting in incorrect pin names and a config file with the necessary settings for this board.

There is also a Rev. B board, which has a different pin layout, but I don't own it and it looks really hard to support, because it needs a LOW output on one BUFF pin and a HIGH output on another BUFF pin.

Hermann Kraus <herm>


Attached Files
file #26910:  lm3s811.patch added by herm (3KiB - application/octet-stream)


Depends on the following items: None found

Items that depend on this one: None found


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    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    Tue 03 Sep 2013 07:58:32 PM UTC rliebscher StatusReady For Test => Fixed
        Open/ClosedOpen => Closed
    Tue 13 Nov 2012 09:47:14 PM UTC rliebscher StatusNone => Ready For Test
        Assigned toNone => rliebscher
    Tue 13 Nov 2012 12:21:20 AM UTC herm Attached File- => Added lm3s811.patch, #26910

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