Jonathon, The source code for both USRP2 and N210 was updated at the same commit with the new FPGA compat number (78eab419fdcdc18f4da8fd33f267af6c4d0494f6). Hoever because nothing changed *functionally* on USRP2 someone forgot to re-build USRP2 images for inclusion in the updated binary image package. You are not affected because you build your FPGA from sourceā¦it only affects (typical) users who get pre-built FPGA's from Ettus.
-Ian On Apr 23, 2015, at 10:47 AM, Jonathan Hedstrom via USRP-users <usrp-us...@lists.ettus.com> wrote: > Hi Martin, > > Working on a MIMO project with eight USRP2's. I updated everything last night > to uhd.git/release_003_008_003-1 ('uhd_usrp_probe' reports > UHD_003.008.003-0-g87dfdc3c) and a custom FPGA image based on > fpga.git/UHD-3.8.3. Everything seems to be working correctly. Looking at > u2_core.v it seems that the compatibility version is correctly changed to > v11.1 (from 10.1 previously). What am I missing? > > Is this only a problem if you're using the usrp2_fpga.bin image downloaded > with the uhd_images_downloader app? I didn't test this. > > [ jonathan hedstrom ] > > On Thu, Apr 23, 2015 at 11:12 AM, Martin Braun via USRP-users > <usrp-us...@lists.ettus.com> wrote: > Dear USRP2 users, > > (*Note:* this does not affect N2x0, or any other device! Only USRP2, > with the SD-Card). > > The latest release (3.8.3) has an issue where UHD won't let you use > USRP2s. Apologies for missing that during testing and RC phases. Latest > maint (and master) contain a fix for this, and future releases will also > work. > > If you need to run USRP 2 with a stable release, we recommend 3.8.2, > although the USRP2 code (both host- and FPGA-side) has not changed in a > long time, so older versions will also work. > > So, what happened? Our latest release actually had some changes for > N2x0, mostly related to UBX fixes. As a consequence, we updated the N2x0 > FPGA images, and increased the compat number. On USRP2, nothing was > changed at all, but due to shared host driver code, UHD is looking for > the same compat number on both devices. Since we didn't touch USRP2 > specifically, it fell through in our testing. > > This fix simply provides separate compat numbers for USRP2 and N2x0. The > actual FPGA image for USRP2 never changed, so you don't need to burn the > SD card for this. If you already did, that's also fine -- the current > FPGA images for USRP2 are legit. > > Cheers, > > Martin > > _______________________________________________ > USRP-users mailing list > usrp-us...@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > > _______________________________________________ > USRP-users mailing list > usrp-us...@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
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