Re: [avrdude-dev] Adding support for new programmer...

[Stanislav Likavcan]

Hi Rob,

I have been using patched AVRDUDE with original UM232R module for
almost two years with no issues (on Mac OS, Linux and Windows).
However the patched code links to closed source verdor drivers which
needs to be installed on your system
http://www.ftdichip.com/Drivers/D2XX.htm

https://savannah.nongnu.org/patch/?6886

HTH,
Stan

On Wed, Jan 20, 2010 at 6:54 AM, Robert Connolly <address@hidden> wrote:
> Hi,
>
> I am a student at the University of Auckland's (New Zealand) Electrical
> and Computer Engineering Department. Within our department we have a
> custom piece of hardware (internally known as the 'donkey') which we use
> to program various AVR micro-controllers.
>
> The unit consists of a small USB dongle which provides a standard AVR
> ISP pin arrangement as the output. USB-Serial interface is via a FTDI
> FT232R chip. I have uploaded the schematic diagrams to my website for
> your information, see: http://svn.webworxshop.com/files/Donkey%20PCB.pdf
>
> I am interested in adding support to Avrdude for the donkey,
> specifically because the current software is windows only and I am a
> Linux user.
>
> The FTDI chip in question is supported and detected by the kernel (mine
> presents a serial device on /dev/ttyUSB0), so I thought adding support
> would be as simple as adding the correct .avrduderc file for a serbb
> programmer. My attempt at this is given below:
>
>> programmer
>>   id    = "donkey";
>>   desc  = "University of Auckland ECE Donkey";
>>   type  = serbb;
>>   reset = 4;
>>   sck   = 7;
>>   mosi  = 8;
>>   miso  = 2;
>> ;
>
> Unfortunately, you will notice that the miso pin is connected to the
> RXD pin on the FTDI chip, which according to the comments in /etc/avrdude.conf
> is not supported.
>
> Can anyone tell me why this is and if there is a way to get this programmer
> working with Avrdude?
>
> Thanks in advance,
>
> Regards,
>
> Rob Connolly
>
>
>
>
>
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