Re: [avrdude-dev] [PATCH 0/1] New programmer type: linuxspi

[Ralf Ramsauer]

*ping*

On 9/24/18 10:49 PM, Ralf Ramsauer wrote:
> Hi Joerg,
> Dear avrdude devs,
> 
> this adds the linuxspi programmer type to avrdude. It allows to flash AVRs via
> Linux's spidev interface (/dev/spidev...) together with a GPIO reset pin that 
> is
> attached to a gpiochip (/dev/gpiochip...).
> 
> Initially, this code was written by Kevin (CC'ed) almost half a decade ago.
> Back then, he sent it to the list with no responses. Nevertheless, there are
> quite a few upvotes on the web interface [1] :-)
> 
> I picked up his code, rebased it to latest upstream, switched from the
> deprecated Linux GPIO sysfs accessors to the 'newer' linux/gpio.h API and
> massaged some parts here and there.
> 
> This programmer type helps me in one of my projects where I have a Raspberry 
> Pi
> with an AVR microcontroller attached to a Pi hat. This code allows me to 
> easily
> flash it on-line, as I can simply use the Raspberry's SPI lines.
> 
> I'd appreciate if you could drop some comments on the code and consider its
> integration.
> 
> Let me also Cc Radoslav Kolev, who wrote the linuxgpio driver, a similar
> programmer. Some parts (afaict) might be c&p'ed from his code.
> 
> Thanks!
>   Ralf
> 
> [1] https://savannah.nongnu.org/patch/?8228
> 
> Kevin Cuzner (1):
>   Implement new programmer type: linuxspi
> 
>  avrdude/Makefile.am      |   2 +
>  avrdude/avrdude.conf.in  |  14 ++
>  avrdude/configure.ac     |  27 +++-
>  avrdude/doc/avrdude.texi |  20 +++
>  avrdude/linuxspi.c       | 302 +++++++++++++++++++++++++++++++++++++++
>  avrdude/linuxspi.h       |  35 +++++
>  avrdude/pgm_type.c       |   2 +
>  7 files changed, 401 insertions(+), 1 deletion(-)
>  create mode 100644 avrdude/linuxspi.c
>  create mode 100644 avrdude/linuxspi.h
> 


-- 
Ralf Ramsauer
GPG: 73F94D11C85252CC