[srslte-users] srsLTE on Raspberry Pi 3 B

[Justin Tallon]

Hey Michal!

an overrun would generally indicate that the CPU is struggling with the
load and cannot process samples fast enough. Try using less prbs.

Do you have another SDR you could benchmark against?


Thanks,
Justin.

____
Justin Tallon Ph.D.

Software Radio Systems (SRS)
http://www.softwareradiosystems.com

+353-86-067-0753 | justin.tallon at softwareradiosystems.com

On Wed, Apr 4, 2018 at 11:27 PM, Michal Szczesny <szczesny44 at gmail.com>
wrote:

> Hi Justin!
>
> awesome ... thx! ... now everything is ok :-)
>
> Nevertheless, I am just fighting with bladeRF and srsenb (up & running)
> ... debug info:
>
> TX failed: Operation timed out
> Overrun detected in scheduled RX. 1260 valid samples were read.
>
> Best regards,
>
> Michał
>
>
> On Wed, Apr 4, 2018 at 3:20 PM, Justin Tallon <justin.tallon@
> softwareradiosystems.com> wrote:
>
>> Hey Michal!
>>
>> If you pull the latest version of the code from the repo, this error
>> should be taken care of!
>>
>> Let me know how you get on!
>>
>> Thanks,
>> Justin
>>
>> ____
>> Justin Tallon Ph.D.
>>
>> Software Radio Systems (SRS)
>> http://www.softwareradiosystems.com
>>
>> +353-86-067-0753 | justin.tallon at softwareradiosystems.com
>>
>> On Wed, Apr 4, 2018 at 10:27 AM, Justin Tallon <
>> justin.tallon at softwareradiosystems.com> wrote:
>>
>>> Hey Michal!
>>>
>>> While we have not tested with that specific board, we have tested with
>>> the same architecture and it should be possible if you constrain the
>>> bandwidth enough to allow for the slower processing power of this platform.
>>>
>>> The error you pointed out is a small bug that has been introduced,
>>> thanks for pointing it out, we will push a fix soon!
>>>
>>>
>>> Regards,
>>>
>>> Justin.
>>>
>>>
>>> ____
>>> Justin Tallon Ph.D.
>>>
>>> Software Radio Systems (SRS)
>>> http://www.softwareradiosystems.com
>>>
>>> +353-86-067-0753 | justin.tallon at softwareradiosystems.com
>>>
>>> On Tue, Apr 3, 2018 at 11:25 PM, Michal Szczesny <szczesny44 at gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> is there a chance to run srsLTE on Raspberry Pi 3 B?
>>>>
>>>> pi at raspberrypi:~/srsLTE/srsLTE/build $ uname -a
>>>> Linux raspberrypi 4.9.41-v7+ #1023 SMP Tue Aug 8 16:00:15 BST 2017 armv7l GNU/Linux
>>>>
>>>> pi at raspberrypi:~/srsLTE/srsLTE/build $ gcc --version
>>>>
>>>> gcc (Raspbian 6.3.0-18+rpi1+deb9u1) 6.3.0 20170516
>>>>
>>>>
>>>> Currently, I get this error:
>>>>
>>>> [ 15%] Building C object lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/precoding.c.o
>>>> In file included from /home/pi/srsLTE/srsLTE/lib/include/srslte/phy/utils/mat.h:31:0,
>>>>                  from /home/pi/srsLTE/srsLTE/lib/src/phy/mimo/precoding.c:36:
>>>> /home/pi/srsLTE/srsLTE/lib/include/srslte/phy/utils/simd.h: In function ‘srslte_simd_cf_re’:
>>>> /home/pi/srsLTE/srsLTE/lib/include/srslte/phy/utils/simd.h:709:20: error: ‘simd_cf_t {aka struct float32x4x2_t}’ has no member named ‘re’
>>>>    simd_f_t out = in.re;
>>>>                     ^
>>>> lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/build.make:86: recipe for target 'lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/precoding.c.o' failed
>>>> make[2]: *** [lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/precoding.c.o] Error 1
>>>> CMakeFiles/Makefile2:1976: recipe for target 'lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/all' failed
>>>> make[1]: *** [lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/all] Error 2
>>>> Makefile:160: recipe for target 'all' failed
>>>>
>>>> Best regards,
>>>>
>>>> Michał
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> srslte-users mailing list
>>>> srslte-users at lists.softwareradiosystems.com
>>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>>>
>>>>
>>>
>>
>
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