transceiver won't start; fpga build error

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stephane at shimaore.net stephane at shimaore.net
Sat Feb 23 16:02:57 UTC 2013


Hi,

I went to pick up my UmTRX this morning. \o/

It appears to start fine, but I'm hitting a couple issues trying to
connect OpenBTS to it:

transceiver won't start
=======================

I get the following errors when starting OpenBTS or the transceiver:

  /home/stephane/Public/src/umtrx/openbts-p2.8/apps# ./transceiver
  linux; GNU C++ version 4.7.2; Boost_104900; UHD_003.004.000-a52936a

  ALERT 139976877029152 UHDDevice.cpp:434:open: No UHD devices found with address ''
  ALERT 139976877029152 runTransceiver.cpp:94:main: Transceiver exiting...

  /home/stephane/Public/src/umtrx/openbts-p2.8/apps# ./transceiver
  linux; GNU C++ version 4.7.2; Boost_104900; UHD_003.004.000-a52936a

  ALERT 139853627492128 UHDDevice.cpp:345:set_rates: Failed to set master clock rate
  ALERT 139853627492128 UHDDevice.cpp:346:set_rates: Actual clock rate 1.3e+07
  ALERT 139853627492128 runTransceiver.cpp:94:main: Transceiver exiting...

(This is with latest UHD from git://github.com/chemeris/UHD-Fairwaves.git
and latest openBTS from git://github.com/ttsou/openbts-p2.8.git )

I assume the first one ('No UHD devices...') is a transcient problem.

For the second issue I don't know whether this might be because the
firmware on the unit I received might not be the latest, or because I
really need to first upload the FPGA image (although I assumed ZPU wouldn't
start in that case); here's the console output in any case:

  USRP N210 UDP bootloader
  FPGA compatibility number: 8
  Firmware compatibility number: 11
  Production image = 0
  Checking for valid production FPGA image...
  No valid production FPGA image found.

  Valid production firmware found. Loading...
  Finished loading. Starting image.

  TxRx-UHD-ZPU
  FPGA compatibility number: 8
  Firmware compatibility number: 11
  LMS1 chip version = 0x22
  LMS2 chip version = 0x22
  00:1F:11:02:19:01
  192.168.10.2

FPGA compilation error
======================

Assuming this is because of a missing/out-of-date FPGA image, I tried to
compile the latest (git) FPGA firmware:

  cd UHD-Fairwaves/fpga/usrp2/top/N2x0/ ; make clean ; make UmTRXv2

but got the following error:

  ERROR:HDLCompiler:1654 - "/home/stephane/Public/src/umtrx/UHD-Fairwaves/fpga/usrp2/top/N2x0/u2plus_core.v" Line 734: Instantiating <rx_frontend_sw> from unknown module <frontend_sw>

A quick `git blame` points to some changes in January but I wouldn't
know where to start fixing this (or maybe this is an issue with my
environemnt and not the code). In case this is the environemnt, I'm using
ISE 14.4 on Linux/amd64.

S.




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