I didn't know this exist! [1] but I'll vote for it. First, you need to know if something goes on SPI MOSI line and if timing is ok.
[1] http://www.ebay.de/itm/24MHz-8-Channel-USB-Logic-Analyzer-8-CH-Logic-Analyzer-for-Arduino-MCU-/131840997125?hash=item1eb255f705:g:FEUAAOSwQupXVjOq 2016-07-11 9:17 GMT+02:00 Peter Kietzmann <peter.kietzm...@haw-hamburg.de>: > Hi Kees, > > stupid question: How do you know SPI is not working? "GPIO_1090536471" was a > formatting bug, compare: > > https://github.com/RIOT-OS/RIOT/pull/5619 > > Would you try to initialize an other pin as CS line? If I see it correctly > you decided for PA23. Maybe just try it with PB2 (in case you don't use it > for other things). > > Best > Peter > > > > Am 08.07.2016 um 20:16 schrieb Kees Bakker: >> >> This very same setup works perfectly with Arduino. >> It is a SAMD21 on a Autonomo (very much like Arduine Zero). >> It has a 16Mb "serial flash" chip on it. >> >> I started with the code from cpu/samd21 that was developed for >> the samr21-xpro board. >> >> The "only" thing I had to change is the pins for the SPI. And with the >> pins I also had to change the SERCOM, the PADs and the pin MUX. >> And yes, I checked the SS pin (and all other pins) over and over. >> >> So far I was able to get UART and I2C working. But for more than a >> week now I am stuck at SPI. I use the tests/periph_spi test program. >> >> �main(): This is RIOT! (Version: >> 2016.07-devel-336-g38dc1-rapper-add-sodaq-autonomo) >> >> RIOT low-level SPI driver test >> This application enables you to test a platforms SPI driver >> implementation. >> Enter 'help' to get started >> >> > �main(): This is RIOT! (Version: >> 2016.07-devel-336-g38dc1-rapper-add-sodaq-autonomo) >> >> RIOT low-level SPI driver test >> This application enables you to test a platforms SPI driver >> implementation. >> Enter 'help' to get started >> >> > help >> Command Description >> --------------------------------------- >> init_master Initialize node as SPI master >> init_slave Initialize node as SPI slave >> send Transfer string to slave (only in master mode) >> print_rx Print the received string (only in slave mode) >> reboot Reboot the node >> > >> > init_master 0 0 23 >> SPI_0 successfully initialized as master, cs: GPIO_1090536471, mode: 0, >> speed: 2 >> > >> > send >> Transfered 5 bytes: >> MOSI 0 1 2 3 4 >> 0x9f 0x00 0x00 0x00 0x00 >> ?? ?? ?? ?? ?? >> >> MISO 0 1 2 3 4 >> 0xff 0xff 0xff 0xff 0xff >> ?? ?? ?? ?? ?? >> >> It drives me nuts. Any hint is greatly appreciated. >> -- Kees >> >> On 08-07-16 19:03, Baptiste Clenet wrote: >>> >>> Autonomo uses samd21 CPU? You use same driver as samr21? >>> What's your problem? >>> Are you sure your SPI Slave chip is working correctly? >>> >>> 2016-07-07 21:01 GMT+02:00 Kees Bakker <k...@sodaq.com>: >>>> >>>> Ah, _now_ it makes sense. :-) Thanks for letting me know. >>>> >>>> That leaves me with my own SPI problem. On my Autonomo I can't get >>>> it to work. It is working with Arduino, but with RIOT (under >>>> construction) >>>> it's >>>> not :-( >>>> >>>> >>>> >>>> On 06-07-16 22:53, Baptiste Clenet wrote: >>>>> >>>>> Yes I know, I changed it to make it work :) (SPI1) >>>>> >>>>> 2016-07-06 22:48 GMT+02:00 Kees Bakker <k...@sodaq.com>: >>>>>> >>>>>> OK thanks. However, your remark about SPI1 puzzles me a bit, >>>>>> because it >>>>>> was >>>>>> using >>>>>> an incorrect PAD setting. PR #5609 fixed today. >>>>>> >>>>>> >>>>>> On 05-07-16 23:21, Baptiste Clenet wrote: >>>>>>> >>>>>>> I can confirm that it works properly. >>>>>>> SPI is used to communicate with the transceiver on samr21-xpro and >>>>>>> communication works so SPI works, I used SPI1 also with no problem >>>>>>> >>>>>>> 2016-07-05 21:50 GMT+02:00 Kees Bakker <k...@sodaq.com>: >>>>>>>> >>>>>>>> Hey, >>>>>>>> >>>>>>>> Can someone confirm that SPI is working on the samr21-xpro board? >>>>>>>> >>>>>>>> I'm trying to make SPI work on my Autonomo board, but I haven't >>>>>>>> succeeded yet. FYI, I'm also reorganizing the code so there are a >>>>>>>> lot >>>>>>>> of parameters that can be of influence. I can't use the current code >>>>>>>> because the pins and the SERCOMs are different. >>>>>>>> >>>>>>>> It would help me to know that it works on samr21-xpro. >>>>>>>> >>>>>>>> -- >>>>>>>> Kees Bakker >>>>>>>> Founder >>>>>>>> SODAQ >>>>>>>> M. 0031617737165 >>>>>>>> www.sodaq.com >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> devel mailing list >>>>>>>> devel@riot-os.org >>>>>>>> https://lists.riot-os.org/mailman/listinfo/devel >>>>>>> >>>>>>> >>>>>>> >>>>>> -- >>>>>> Kees Bakker >>>>>> Founder >>>>>> SODAQ >>>>>> M. 0031617737165 >>>>>> www.sodaq.com >>>>>> >>>>>> _______________________________________________ >>>>>> devel mailing list >>>>>> devel@riot-os.org >>>>>> https://lists.riot-os.org/mailman/listinfo/devel >>>>> >>>>> >>>>> >>>> >>>> -- >>>> Kees Bakker >>>> Founder >>>> SODAQ >>>> M. 0031617737165 >>>> www.sodaq.com >>>> >>>> _______________________________________________ >>>> devel mailing list >>>> devel@riot-os.org >>>> https://lists.riot-os.org/mailman/listinfo/devel >>> >>> >>> >> >> > > -- > Peter Kietzmann > > Hamburg University of Applied Sciences > Dept. Informatik, Internet Technologies Group > Berliner Tor 7, 20099 Hamburg, Germany > Fon: +49-40-42875-8426 > Web: http://www.haw-hamburg.de/inet > > _______________________________________________ > devel mailing list > devel@riot-os.org > https://lists.riot-os.org/mailman/listinfo/devel -- Baptiste _______________________________________________ devel mailing list devel@riot-os.org https://lists.riot-os.org/mailman/listinfo/devel
