-------- Message original -------- Sujet: Re: TRX Clock calibration Date : Wed, 16 Jul 2014 02:52:33 +0200 De : choukoumoun choukoumoun@gmail.com Pour : Alexander Chemeris alexander.chemeris@gmail.com
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 choukoumoun@gmail.com 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