can-utils
gnuradio
can-utils | gnuradio | |
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8 | 22 | |
2,219 | 4,796 | |
1.2% | 0.7% | |
8.9 | 9.4 | |
12 days ago | 8 days ago | |
C | C++ | |
- | GNU General Public License v3.0 only |
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can-utils
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Is there a way to create a Linux version of this automotive diagnostic tool/lab scope?
CAN is just glorified ethernet. https://github.com/linux-can/can-utils
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BUSMASTER successor?
I use a USB2CAN and the Linux SocketCAN can-utils.
- Got dropped into an embedded linux project and don't know where to begin.
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reading CanBus on linux
Use the "SocketCAN Driver for Linux" from their support page and then you can use any of the CAN-Utils programs: https://github.com/linux-can/can-utils
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Any SW engineers in the automotive industry?
For testing I found the CANtact more than adequate. Worked very well with Linux which has the SocketCAN system that basically lets you treat the CAN bus as a network socket. Great tooling exists in can-utils to help you do quick tests, debug a CAN network, and the sniffer is a great help for reverse engineering.
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ISOBUS compliant device
The Linux-CAN package appears to have some J1939/ISOBUS tools as part of can-utils.
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Lysmarine-BBN project out of beta, 32 and 64 bit downloads available for RPI
SocketCAN, NMEA 2000, can-utils
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Feedback for new ESP32 based OBD2 adapter
I'm using slcand (to create a "normal" CAN device from SLCAN), candump and cansniffer from the can-utils package on Linux. It is available as a package in Ubuntu, probably also on other distributions. https://github.com/linux-can/can-utils
gnuradio
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Upsampling in Gnuradio is necessary?
In gr-dtv transmitter examples for Gnuradio, I see some times people use a resampler block before the RF hardware sink. Say our sampling rate is ~9.14Msps which satisfies the Nyquist criterion because our samples are complex numbers.
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Capturing FM using SDR
2.1. Thanks for that tip, I forgot that I was able to check the source code of the WBFM Receive block. As you have said, there are mostly the same. There are some differences between how values are picked. The WBFM Receive block would be a synonym of Quadrature demod => Fir Filter (decimation => Low pass filter) => FM Deemphasis. 2.3. My question there is why 10 and not 20 or 100. I understand that the idea is to reduce the sample rate asap, but what I don't understand is why those values were picked and how can I understand what would be the "correct" or "best" value. 2.4. I'm not fully understanding what you said. If I check the WB FM recieve source code the values that are supplied as the cutoff freq and transition width of the Low pass filter differ from the one of the example. The webfm would apply a sample rate / decimation / 2 - sample rate / decimation / 32 as a cutoff freq and a sample rate / decimation / 32 as a transition transition width. Calculating those values would end up in different that the ones supplied in this second example. Again, is there a rule of thumb to pick these values?.
- Hello everyone! I would like to install and run GNU Radio version 3.7.4 in order to follow along with The HackRF GNU Radio tutorial on greatscottgadgets.com/sdr/ but I can’t find prior releases to install. Can anyone help?
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Multi band gfsk demodulation with Nooelec RTL-SDR v5 SDR and gnu radio
Gaussian filter is used only on the tx side, so specifying bt in the receiver makes no sense. Take a look at gfsk mod/demod blocks implementation: https://github.com/gnuradio/gnuradio/blob/master/gr-digital/python/digital/gfsk.py
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What would you rewrite in Rust?
GNU Radio
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Is there a way to delay a signal in time-domain?
Here's the filter coefficients used for the GNU-Radio interpolator block to get you started. This is a 7th order interpolator (i.e., 8 FIR taps) with very good performance. Each "row" of the array sets the delay in steps of sample_time / 128.
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My grandpa is a huge HAM radio fan, so I showed him GNU Radio. Got this text the day he got back home.
From their README: “open-source software development toolkit that provides signal processing blocks to implement software radios.” https://github.com/gnuradio/gnuradio
- The future is now ... again
- GNU Radio
- GNU Radio – the Free and Open Software Radio Ecosystem
What are some alternatives?
esp32-isotp-ble-bridge - ESP32-IDF based BLE<->ISO-TP bridge targeting Macchina A0 hardware
PothosSDR - Pothos SDR windows development environment
evdev-right-click-emulation - Implement Long-Press-to-Right-Click on Touchscreen Linux Devices with Xorg or Wayland
SDRPlusPlus - Cross-Platform SDR Software
lysmarine_gen - With BBN OS you can build a central boat computer. BBN OS is free and open source. It is based on commonly used community supported open source projects such as SignalK, PyPilot, OpenCPN, and others. BBN OS graphical user interface will let you build a cockpit front-end to all functionality of the OS from chartplotting, dashboards, weather, etc.
Node RED - Low-code programming for event-driven applications
gnss-sdr - GNSS-SDR, an open-source software-defined GNSS receiver
Grafana - The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
sdrangel - SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay RSP1 and FunCube
avnav - using the raspberry pi as a nav computer
srsRAN_4G - Open source SDR 4G software suite from Software Radio Systems (SRS) https://docs.srsran.com/projects/4g