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by rafal-raf
Wed Apr 09, 2014 2:51 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: SPI driver latency and a possible solution
Replies: 241
Views: 137256

Re: SPI driver latency and a possible solution

Maybe I wrong prepares kernel, can you share yours kernel confige.
by rafal-raf
Wed Apr 09, 2014 1:51 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: SPI driver latency and a possible solution
Replies: 241
Views: 137256

Re: SPI driver latency and a possible solution

Hi What kernel do you use ? I try kernels form yours git hub and from oficial raspberry git hub master branch. Still with this result : /root/ras-new/spi-bcm2835/drivers/spi/spi-bcm2835dma_drv.c: In function 'bcm2835dma_schedule_dma_fragment': /root/ras-new/spi-bcm2835/drivers/spi/spi-bcm2835dma_drv...
by rafal-raf
Tue Apr 08, 2014 6:34 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: SPI driver latency and a possible solution
Replies: 241
Views: 137256

Re: SPI driver latency and a possible solution

My kernel is 3.10.16 TOSSUG Baby Fish from yours master branch git repository https://github.com/msperl/linux
by rafal-raf
Mon Apr 07, 2014 12:46 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: SPI driver latency and a possible solution
Replies: 241
Views: 137256

Re: SPI driver latency and a possible solution

Thanks for the update But I still have problem with compile spi modules. I download new sources from git Below I put the instructions of me compilation root@homeiq-R540-R580-R780-SA41-E452:~/ras-new/spi-bcm2835# make make -C ../linux M=/root/ras-new/spi-bcm2835 modules make[1]: enter to `/root/ras-n...
by rafal-raf
Sat Apr 05, 2014 6:52 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: SPI driver latency and a possible solution
Replies: 241
Views: 137256

Re: SPI driver latency and a possible solution

Thanks for the help

I look forward to updates
by rafal-raf
Fri Apr 04, 2014 12:30 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: SPI driver latency and a possible solution
Replies: 241
Views: 137256

Re: SPI driver latency and a possible solution

For some time, the CAN communication I test using RPI. Unfortunately, I have a problem with the speed SPI - RPI lost frames Reading your posts I see that msperl done a great job and allowed the use of CAN in RPI I downloaded from your git kernel and modules. Kernel compilation ran properly but I hav...

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