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-------- Message original --------
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<th nowrap="nowrap" valign="BASELINE" align="RIGHT">Sujet: </th>
<td>Re: TRX Clock calibration</td>
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<th nowrap="nowrap" valign="BASELINE" align="RIGHT">Date : </th>
<td>Wed, 16 Jul 2014 02:52:33 +0200</td>
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<th nowrap="nowrap" valign="BASELINE" align="RIGHT">De : </th>
<td>choukoumoun <a class="moz-txt-link-rfc2396E" href="mailto:choukoumoun@gmail.com"><choukoumoun@gmail.com></a></td>
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<th nowrap="nowrap" valign="BASELINE" align="RIGHT">Pour : </th>
<td>Alexander Chemeris <a class="moz-txt-link-rfc2396E" href="mailto:alexander.chemeris@gmail.com"><alexander.chemeris@gmail.com></a></td>
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<pre>Le 16/07/2014 02:46, Alexander Chemeris a écrit :
> Choukoumoun,
>
> The question is related to the osmo-trx more than to UmTRX, so I'm
> moving it to the Osmocom mailing list:
>
> On Tue, Jul 15, 2014 at 8:17 PM, choukoumoun <a class="moz-txt-link-rfc2396E" href="mailto:choukoumoun@gmail.com"><choukoumoun@gmail.com></a> wrote:
>> Hello guys.
>>
>> I have a UMTRX my UHD/OPENBTS or UHD/OSMO-TRX same working fine but wen i
>> start osmo-trx and openbts i have this error
> Could you specify where did you get sources and which exact versions
> and commit numbers do you use?
>
> Did you try to use osmo-trx with Osmocom software rather than with OpenBTS?
>
>> Osmo-trx :
>>
>> linux; GNU C++ version 4.8.1; Boost_105300; UHD_003.004.000-4fa97a1
>>
>> Config Settings
>> Log Level............... NOTICE
>> Device args............. addr=192.168.10.2
>> TRX Base Port........... 5700
>> TRX Address............. 127.0.0.1
>> Channels................ 1
>> Samples-per-Symbol...... 4
>> External Reference...... Disabled
>> C0 Filler Table......... Disabled
>> Diversity............... Disabled
>> Tuning offset........... 0
>>
>> -- Opening a UmTRX device...
>> -- Current recv frame size: 1472 bytes
>> -- Current send frame size: 1472 bytes
>> -- Setting UmTRX 4 SPS
>> -- Transceiver active with 1 channel(s)
>>
>> ALERT 139940970051328 02:13:33.7 UHDDevice.cpp:993:writeSamples: UHD: Device
>> send timed out
>> "Constantely" .....
>>
>>
>> anybody have a idea ?
>>
>>
>> my usrp probe out :
>>
>> linux; GNU C++ version 4.8.1; Boost_105300; UHD_003.004.000-4fa97a1
>>
>> -- Opening a UmTRX device...
>> -- Current recv frame size: 1472 bytes
>> -- Current send frame size: 1472 bytes
>> _____________________________________________________
>> /
>> | Device: UmTRX Device
>> | _____________________________________________________
>> | /
>> | | Mboard: UMTRX-REV0
>> | | hardware: 64000
>> | | mac-addr: 00:50:c2:85:3f:ff
>> | | ip-addr: 192.168.10.2
>> | | gpsdo: none
>> | | serial: 7
>> | | name: UmTRX
>> | | tcxo-dac: 2048
>> | |
>> | | Time sources: none, external, _external_, mimo
>> | | Clock sources: internal, external, mimo
>> | | Sensors: ref_locked
>> | | _____________________________________________________
>> | | /
>> | | | RX DSP: 0
>> | | | Freq range: -6.500 to 6.500 Mhz
>> | | _____________________________________________________
>> | | /
>> | | | RX DSP: 1
>> | | | Freq range: -6.500 to 6.500 Mhz
>> | | _____________________________________________________
>> | | /
>> | | | RX Dboard: A
>> | | | ID: LMS6002D (0xfa07)
>> | | | Serial: 7.A
>> | | | _____________________________________________________
>> | | | /
>> | | | | RX Subdev: 0
>> | | | | Name: LMS6002D (0xfa07) - 0
>> | | | | Antennas: RX0, RX1, RX2, RX3, CAL
>> | | | | Sensors: lo_locked
>> | | | | Freq range: 232.500 to 3720.000 Mhz
>> | | | | Gain range VGA1: 0.0 to 126.0 step 1.0 dB
>> | | | | Gain range VGA2: 0.0 to 30.0 step 3.0 dB
>> | | | | Connection Type: IQ
>> | | | | Uses LO offset: No
>> | | | _____________________________________________________
>> | | | /
>> | | | | RX Codec: A
>> | | | | Name: LMS_RX
>> | | | | Gain Elements: None
>> | | _____________________________________________________
>> | | /
>> | | | RX Dboard: B
>> | | | ID: LMS6002D (0xfa07)
>> | | | Serial: 7.B
>> | | | _____________________________________________________
>> | | | /
>> | | | | RX Subdev: 0
>> | | | | Name: LMS6002D (0xfa07) - 0
>> | | | | Antennas: RX0, RX1, RX2, RX3, CAL
>> | | | | Sensors: lo_locked
>> | | | | Freq range: 232.500 to 3720.000 Mhz
>> | | | | Gain range VGA1: 0.0 to 126.0 step 1.0 dB
>> | | | | Gain range VGA2: 0.0 to 30.0 step 3.0 dB
>> | | | | Connection Type: IQ
>> | | | | Uses LO offset: No
>> | | | _____________________________________________________
>> | | | /
>> | | | | RX Codec: B
>> | | | | Name: LMS_RX
>> | | | | Gain Elements: None
>> | | _____________________________________________________
>> | | /
>> | | | TX DSP: 0
>> | | | Freq range: -6.500 to 6.500 Mhz
>> | | _____________________________________________________
>> | | /
>> | | | TX DSP: 1
>> | | | Freq range: -6.500 to 6.500 Mhz
>> | | _____________________________________________________
>> | | /
>> | | | TX Dboard: A
>> | | | ID: LMS6002D (0xfa09)
>> | | | Serial: 7.A
>> | | | _____________________________________________________
>> | | | /
>> | | | | TX Subdev: 0
>> | | | | Name: LMS6002D (0xfa09) - 0
>> | | | | Antennas: TX0, TX1, TX2, CAL
>> | | | | Sensors: lo_locked
>> | | | | Freq range: 232.500 to 3720.000 Mhz
>> | | | | Gain range VGA1: -35.0 to -4.0 step 1.0 dB
>> | | | | Gain range VGA2: 0.0 to 25.0 step 1.0 dB
>> | | | | Connection Type: IQ
>> | | | | Uses LO offset: No
>> | | | _____________________________________________________
>> | | | /
>> | | | | TX Codec: A
>> | | | | Name: LMS_TX
>> | | | | Gain Elements: None
>> | | _____________________________________________________
>> | | /
>> | | | TX Dboard: B
>> | | | ID: LMS6002D (0xfa09)
>> | | | Serial: 7.B
>> | | | _____________________________________________________
>> | | | /
>> | | | | TX Subdev: 0
>> | | | | Name: LMS6002D (0xfa09) - 0
>> | | | | Antennas: TX0, TX1, TX2, CAL
>> | | | | Sensors: lo_locked
>> | | | | Freq range: 232.500 to 3720.000 Mhz
>> | | | | Gain range VGA1: -35.0 to -4.0 step 1.0 dB
>> | | | | Gain range VGA2: 0.0 to 25.0 step 1.0 dB
>> | | | | Connection Type: IQ
>> | | | | Uses LO offset: No
>> | | | _____________________________________________________
>> | | | /
>> | | | | TX Codec: B
>> | | | | Name: LMS_TX
>> | | | | Gain Elements: None
>>
>>
>> I make the VCXO configuration procedure with the GPS but no success...
> The issue with "UHD: Device send timed out" have nothing to do with
> the VCXO calibration. The issue is because of a issue in communication
> between the host system and the UmTRX.
>
> What is your hardware setup? Particularly:
> - Do you use a switch between the UmTRX and the host system?
Nop my laptop is connected directly of the umtrx
> - Do you run it on a real hardware or in a VM?
real ubuntu 13.04 64 bits
> - Is your host system powerful enough?
Intel Core I5, 8Gb ram
>
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