Hi Isaac, Here is a simple example program I wrote a while back for continuously streaming IMU data on the E310/E312.
https://github.com/samprager/E312IMUTest See the README for RTIMULib installation instructions (the correct library is https://github.com/RPi-Distro/RTIMULib). Sam On Nov 12, 2019, 12:30 PM -0800, Michael Dickens via USRP-users <usrp-users@lists.ettus.com>, wrote: > Hi Isaac - UHD itself provides no API to the IMU; never has. The RTIMULib, > possibly an older version than current and assuming it can be built and > installed on the E310, should be able to access the IMU to provide > information from it. Note "possibly", "assuming", "should" ... clearly this > isn't a majorly supported feature of the E310! Good luck! - MLD > > > On Tue, Nov 12, 2019 at 12:37 PM Beeman, Isaac L. via USRP-users > > <usrp-users@lists.ettus.com> wrote: > > > Marcus and List, > > > > > > I was hoping someone knew the steps involved to get the RTIMULib setup on > > > the USRP. I tried building and installing both the RTIMULib and Linux > > > folders, but the Linux one fails: > > > > > > > > > -- Found unsuitable Qt version "" from NOTFOUND > > > Qt QTOPENGL library not found. > > > Qt QTGUI library not found. > > > Qt QTCORE library not found. > > > CMake Error at RTIMULibGL/CMakeLists.txt:90 (QT4_ADD_RESOURCES): > > > Unknown CMake command "QT4_ADD_RESOURCES". > > > -- Configuring incomplete, errors occurred! > > > > > > > > > I figured that I can't install the RTIMULibDemo apps because they use a > > > GUI, so I built and installed the RTIMULibDrive and RTIMULibCal > > > individually. Only, when I try to run one of these apps I get the > > > following error: > > > > > > > > > RTIMULibDrive: error while loading shared libraries: libRTIMULib.so.7: > > > cannot open shared object file: No such file or directory > > > > > > > > > I don't get how to fix this. When I build and install the same apps on my > > > host computer they run fine (but obviously can't find any IMU). > > > Considering that any applications I write also use the same libraries, I > > > feel like this is going to be an issue. > > > > > > There isn't any documentation that I can find on the usage of the C++ > > > library for RTIMULib. Just reading the code in RTIMULibDrive.cpp as an > > > example, it doesn't seem too complicated, but it obviously is a generic > > > program that isn't using the settings needed to connect to the MPU-9150. > > > > > > If anyone knows how to get one of these apps (RTIMULibDrive or > > > RTIMULibCal) working or how to use RTIMULib.h in connecting to the > > > MPU-9150 over I2C, it would be much appreciated. > > > > > > -Isaac Beeman > > > > > > > > > > > > P.S. I also tried 'i2cdetect -y 0' to see if the MPU-9150 has the I2C > > > address 0x69 like the schematics say, but I only get: > > > > > > Warning: Can't use SMBus Quick Write command, will skip some addresses > > > 0 1 2 3 4 5 6 7 8 9 a b c d e f > > > 00: > > > 10: > > > 20: > > > 30: -- -- -- -- -- -- -- -- > > > 40: > > > 50: UU UU -- -- -- -- -- -- -- -- -- -- -- -- -- -- > > > 60: > > > 70: > > > > > > with nothing under 0x69. So that's weird. > > > > > > > > > -----Original Message----- > > > From: USRP-users <usrp-users-boun...@lists.ettus.com> On Behalf Of Marcus > > > D. Leech via USRP-users > > > Sent: Tuesday, November 12, 2019 10:35 AM > > > To: usrp-users@lists.ettus.com > > > Subject: [EXT] Re: [USRP-users] Question about the IMU (MPU-9150) on the > > > E310 > > > > > > On 11/12/2019 10:26 AM, Beeman, Isaac L. via USRP-users wrote: > > > > Hi List, > > > > > > > > I have recently started working with the E310/E312 and have gotten > > > > multichannel RX/TX and GPS working, but I can't figure out how to grab > > > > data off of the internal IMU/MPU-9150. I found some website > > > > (http://gnuradio.cn/en/html/support/en/page_usrp_e3x0.html) that said > > > > that the USRP image should contain RTIMULib applications with allow the > > > > user to test the IMU, but, unless I am looking in the wrong place, the > > > > current image for the E310 does not have any RTIMULib applications on > > > > it. > > > > > > > > I want to know if there are any API calls or libraries that would allow > > > > me to do development with the IMU. > > > > > > > > -Isaac Beeman > > > > > > > > _______________________________________________ > > > > > > You might start here: > > > > > > https://github.com/RTIMULib > > > > > > _______________________________________________ > > > USRP-users mailing list > > > USRP-users@lists.ettus.com > > > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > > > -- > Michael Dickens > Ettus Research Technical Support > Email: supp...@ettus.com > Web: https://ettus.com/ > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.ettus.com_mailman_listinfo_usrp-2Dusers-5Flists.ettus.com&d=DwICAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=opIuWAKmywF059tAs2i3Pg&m=rGLxgINOMrS4sAfnjQ9mFF9r3gnmnGlRtI8Lfh1c_9g&s=8wPPngBEnPiaAxtUARbH1opcSV3Pgih5Konyr2kf9-c&e=
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