On Sat, Mar 18, 2017 at 4:59 PM, Sagar Gupta <sagarguptamonu1...@gmail.com> wrote: > Hi Gedare > > I was looking at the ticket #2733(Related to your SPI issues) and potential > project for GSoc 2017 for Raspberry Pi > the one I find interesting is "Convert the existing SPI support to the new > Linux SPI API and test with SPI devices". > > I have gone through the wordpress bolg(https://asuolgsoc2014.wordpress.com/) > of André Marques to understand the SPI API developed by him as a part of > GSoc 14,15 . I am going through his code which he commited in RTEMS > repository in GitHub > (https://github.com/RTEMS/rtems/commit/61e7c698a44137afbc1447ed328b14a0d9e55016) > > I have also gone through blog post of Mudit > Jain(http://rtemsgsoc2016-mudit.blogspot.in/) also i have gone through code > which he commited in RTEMS repository in GitHub > (https://github.com/RTEMS/rtems/commit/48704cdebdd40391c5ca8d8020e5a77edff37677). > > I have also read about how to port drivers from FreeBSD to Rtems/libBSD as > posted by Ragunath in his blog post > (http://ragustechblog.blogspot.in/2015/06/porting-driver-from-freebsd-to-rtems.html) > . > > I have also read the Alan Blog > post(http://alanstechnotes.blogspot.in/2013/04/setting-up-rtems-development.html) > on how to compile GCC and RTEMS for arms and I am trying to get that running > on my system . I will share the results as soon as I finish with the > community. > Alan's blog post may be outdated by now.
> > For the project the API which is refered to is that André Marques developed > ? > What is the new Linux here been refered to? The Linux API is defined under cpukit/dev > Can you please tell me the basic structue of what is to be implemented as > the part for this project. > I don't know which BSP already implements one, but you can probably search for an include of dev/spi.h in the libbsp to figure that out. > > On Mon, Mar 6, 2017 at 6:17 PM, Gedare Bloom <ged...@rtems.org> wrote: >> >> On Sun, Mar 5, 2017 at 12:24 PM, Alan Cudmore <alan.cudm...@gmail.com> >> wrote: >> > Hi everyone, >> > This is how far I was able to get when trying to run libBSD on the Pi. I >> > will give you a better idea of where to start. >> > https://lists.rtems.org/pipermail/devel/2016-September/016092.html >> > Since then, the libbsd version has been updated in RTEMS, so it may need >> > some work to get it to compile again. >> > >> > Here is a general status as I understand it: >> > RTEMS ( without bsdlib ) works on the original Pi model B, Pi A+, Pi B+, >> > Pi >> > Zero, and the Pi 2. >> > SMP works on the Pi 2. >> > >> > RTEMS does not work on the Pi 3 yet, The UART that the current BSPs use >> > as a >> > console is now used by the Bluetooth. >> > So a new UART driver has to be written for the "mini-uart" that serves >> > as >> > the console on the Pi3. >> > I believe the same applies to the new Raspberry Pi Zero W, which has the >> > same Bluetooth wireless stack. >> > >> > >> > We have been working on I2C, SPI, and GPIO support. >> > I2C has been converted to the new linux user API, but SPI has not. >> > GPIO and I2C work, but I have not been able to get my SPI devices to >> > work. >> > >> > So potential Raspberry Pi work includes: >> > Convert the existing SPI support to the new Linux SPI API and test with >> > SPI >> > devices >> > Continue to work on the LibBSD support >> > Support the Pi Zero W ( and potentially the Pi 3 ) by creating a new >> > uart >> > driver >> > Support Pi 3 SMP ( along with the UART ) >> > >> > Even more advanced work could include: >> > Support the Wifi and bluetooth in LibBSD for the Pi Zero W and/or Pi 3. >> > >> > Gedare, I know this should probably be on the GSOC wiki, right ? >> > >> >> I added to the relevant open project ticket: >> https://devel.rtems.org/ticket/2899 >> >> Related to your SPI issues may be: https://devel.rtems.org/ticket/2733 >> >> > Alan >> > >> > >> > On Sun, Mar 5, 2017 at 7:49 AM, Gedare Bloom <ged...@rtems.org> wrote: >> >> >> >> Hello Sagar Gupta, >> >> >> >> The best place to start is with the previous GSoC effort that focused >> >> on Raspberry PI. This was last year's project >> >> https://devel.rtems.org/wiki/GSoC/2016/USB%26EthernetRaspberryPi >> >> >> >> >> >> >> >> On Sat, Mar 4, 2017 at 2:21 AM, Sagar Gupta >> >> <sagarguptamonu1...@gmail.com> wrote: >> >> > Hi , >> >> > >> >> > I have done a course on Operating Systems at undergraduate level. >> >> > I am specifically interested in development of drivers for operating >> >> > systems >> >> > which work on hardware such as the Raspberry Pi. >> >> > Can I get to know what are the potential projects for Raspberry pi in >> >> > GSoc'17 ? >> >> > also can you guide me to such threads, projects, documentation which >> >> > could >> >> > be be helpful for the same. >> >> > >> >> > Thanks >> >> > >> >> > Warm Regards, >> >> > Sagar Gupta >> >> > Phone : +91 8686146518 >> >> > Computer Science Student >> >> > BITS Pilani , Hyderabad Campus >> >> > >> >> > _______________________________________________ >> >> > devel mailing list >> >> > devel@rtems.org >> >> > http://lists.rtems.org/mailman/listinfo/devel >> > >> > > > _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
