Re: [avrdude-dev] Using a FT232HL in slow bitbang mode

[Ing. Daniel Rozsnyó]

It still operates on the AD bus only in 8 bit mode.
Is it hard to get that to work on the FT232HL's AC bus too ? Maping to 
avrdude pin numbers 8-15 (or 9-16). The schematics we used is attached.

Daniel


On 06/17/2013 10:23 PM, René Liebscher wrote:
> Hi,
>
> there was still a problem in the first patch, so it reads the
> samecontent for bitbanging and mpsse after the patch but this was both
> wrong compared to the state before.
>
> This is now fixed, eeprom should now work, and it uses mpsse when the
> correct pins are used and falls back to bitbanging when using other pins.
>
> Any comments?
>
>
> René Liebscher
>
>
> On 16.06.2013 23:03, René Liebscher wrote:
> > Hi,
> >
> > for a first try you might test the attached patch. It modifies avrftdi
> > (not ftdi_syncbb, so you have to modify your conf entry).
> >
> > It changes the avrftdi to use bitbanging over mpsse (using the set
> > bits commands) and disables the pin check for now. (eeprom writing
> > might not work.)
> >
> > With my FT2232D it reads an ATmega168 in 27s (which was 4s using
> > mpsse). However I do not own any FT232H hardware so I can not do any
> > further checks.
> >
> >
> > Kind regards
> >
> > René Liebscher
> >
> >
> > On 15.06.2013 22:59, "Ing. Daniel Rozsnyó" wrote:
> > > Hi,
> > >   would somebody on this list try to implement this? We can lend the
> > > hardware for testing if required and even offer some compensation
> > > /payment/.
> > >
> > >   Would be nice to have a really universal soft-BB for FTDI chips.
> > >
> > > Thanks,
> > >
> > > Daniel Rozsnyo
> > >
> > >
> > > On 06/06/2013 11:25 PM, René Liebscher wrote:
> > > > Hi,
> > > >
> > > > currently only FT232R/FT245R are supported, for other chips one had to
> > > > extend this module.
> > > >
> > > > René
> > > >
> > > >
> > > > On 06.06.2013 21:44, "Ing. Daniel Rozsnyó" wrote:
> > > > > Hi,
> > > > >   how can I make use of pins AC3~AC7 on a FT232HL for bitbang
> > > > > programming an AVR?
> > > > >
> > > > >   I naturally tried to count the pins in order AD0..AD7,AC0-AC9, but
> > > > > avrdude is complaining:
> > > > >
> > > > >
> > > > > $ avrdude -p atmega32 -c prob-hand -P usb -b 9600
> > > > > avrdude: BUFF: Following pins are not valid pins for this function: 16
> > > > > avrdude: RESET: Following pins are not valid pins for this
> > > > > function: 12
> > > > > avrdude: SCK: Following pins are not valid pins for this function: 13
> > > > > avrdude: MOSI: Following pins are not valid pins for this function: 15
> > > > > avrdude: MISO: Following pins are not valid pins for this function: 14
> > > > >          Pin assignment  : 0..7 = DBUS0..7
> > > > >            VCC     =  (not used)
> > > > >            BUFF    =  16
> > > > >            RESET   =  12
> > > > >            SCK     =  13
> > > > >            MOSI    =  15
> > > > >            MISO    =  14
> > > > >            ERR LED =  (not used)
> > > > >            RDY LED =  (not used)
> > > > >            PGM LED =  (not used)
> > > > >            VFY LED =  (not used)
> > > > >
> > > > > avrdude done.  Thank you.
> > > > >
> > > > >
> > > > > CONFIG:
> > > > >
> > > > >
> > > > > programmer
> > > > >   id    = "prob-hand";
> > > > >   type  = "ftdi_syncbb";
> > > > >   connection_type = usb;
> > > > >   usbvid = 0x0403;
> > > > >   usbpid = 0x6014;
> > > > >   reset = 12;
> > > > >   sck   = 13;
> > > > >   miso  = 14;
> > > > >   mosi  = 15;
> > > > >   buff  = 16;
> > > > > ;
> > > > >
> > > > >
> > > > > Is there a trick or the support is just not there?
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Daniel
> > > > >
> > > > > _______________________________________________
> >
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>
>
>
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ft232hl_buff.png
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