http://doku.emsec.net/ 2026-06-08T21:25:29+00:00 http://doku.emsec.net/ http://doku.emsec.net/_media/wiki:dokuwiki.svg text/html 2021-05-13T20:57:26+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/air_monitoring_system_components?rev=1620939446&do=diff Cloud services * Data collection * Data visualization * Dashboard AWS IoT. Data connectivity Cellular, e.g. Huawei MS2131i. Sensors See Air quality monitors Also other environment sensors. Experimentation and machine learning <https://eugeneyan.com/writing/experimentation-workflow-with-jupyter-papermill-mlflow/> text/html 2021-02-04T20:57:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/beaglebone_black?rev=1612472264&do=diff Beaglebone Black BBB Subra i.MX6 XAM3359AZCZ100 AM335x 1xCortex-A8 1GHz MCIMX6S5DVM10AB i.MX6 1xCortex-A9 1GHz L1 Cache 32KB+32KB 32KB+32KB L2 Cache 256KB 512KB other SOC RAM 128KB 144KB RAM 512MB DDR3 512MB Flash 4GB 8-bit eMMC text/html 2017-05-13T09:11:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/boot_loaders?rev=1494666664&do=diff <https://github.com/JelmerT/cc2538-bsl> MCU boot from mynewt project text/html 2022-04-20T21:23:30+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/build_tools?rev=1650489810&do=diff Compiler <https://developers.redhat.com/articles/2022/04/12/state-static-analysis-gcc-12-compiler#> Linkers <https://mcyoung.xyz/2021/06/01/linker-script/> text/html 2018-11-26T09:48:21+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/building?rev=1543225701&do=diff ARM GCC <https://www.mikrocontroller.net/articles/ARM_GCC> Different build options Bare metal applications do not use a C library. linux applications are built using *-linux* toolchains, while kernel and u-boot are bare-metal applications, built with *-eabi* toolchains. Example with Sourcery G++ Lite text/html 2025-04-09T12:22:22+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/c?rev=1744201342&do=diff <https://www.c-language.org/> Embedded Artistry C info Embedded in academia - Teaching C <https://www.codeproject.com/Articles/357065/Ten-Fallacies-of-Good-C-Code> Compiler explorer <http://d3s.mff.cuni.cz/~holub/c_features.html> <https://www.chiark.greenend.org.uk/~sgtatham/cdescent/> <http://blog.llvm.org/2011/05/what-every-c-programmer-should-know.html> <http://umich.edu/~eecs381/handouts/CHeaderFileGuidelines.pdf> <https://support.dce.felk.cvut.cz/psr/prednasky/jazyk_c/jazykc-en.pdf… text/html 2021-02-04T21:00:18+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/cross-compiling?rev=1612472418&do=diff Setting up a crosstool-ng environment for ARM7 target Building Older GCC Versions on x86-64 Debian/Ubuntu <http://www.trevorpounds.com/blog/?p=111> Compiling 32-bit (i386) binaries in 64-bit (amd64) debian apt-get install ia32-libs ia32-libs-gtk gcc -m32 (see <http://wiki.debian.org/DebianAMD64Faq>) linux32 make Building an i386 kernel package on an amd64 machine without chroot Cross-building for ARM in Ubuntu 64-bit text/html 2011-06-15T17:20:50+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/crosstool-ng?rev=1308158450&do=diff Installing crosstool-ng Initially download the latest crosstool-ng (version 1.5.3 in my case), into ~/bin. Bear in mind that I got complains about some missing programs when I tried to compile the software, so I had to install first these packages: gawk, bison, flex, texinfo, automake, libtool, ncurses-dev, cvs, subversion. So here we go: text/html 2011-09-26T10:13:50+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/data_acquisition_hardware?rev=1317032030&do=diff Data loggers <http://www.drdaq.com/> text/html 2022-10-09T16:32:35+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/debugging_arm_hard_faults?rev=1665333155&do=diff <https://www.linaro.org/blog/debugging-arm-kernels-using-nmifiq/> <https://mcuoneclipse.com/2015/07/05/debugging-arm-cortex-m-hard-faults-with-gdb-custom-command/> <https://forum.contextualelectronics.com/t/advice-of-trapping-intermittent-and-annoying-bugs/2408> <https://www.beningo.com/how-to-debug-a-hard-fault-on-an-arm-cortex-m/> <https://eocanha.org/blog/2020/10/16/figuring-out-corrupt-stacktraces-on-arm/> <http://fixbugfix.blogspot.com/2016/01/how-to-debug-stack-corruption-on.html> text/html 2022-04-29T14:07:36+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/debugging_hardware?rev=1651241256&do=diff ARM semihosting ITM, available in M3/M4/M7, output debug msgs over serial SWO / SWV (protocol) ETM SWD: SWCLK, SWDIO plus (optional) SWO SWO is an optional extension of the SWD interface RTT (Segger) Black Magic Probe <https://www.codeinsideout.com/blog/stm32/swv/> ARM <https://interrupt.memfault.com/blog/a-deep-dive-into-arm-cortex-m-debug-interfaces> JTAG Bus Blaster <http://openocd.sourceforge.net/doc/html/index.html#toc_OpenOCD-Project-Setup> GDB cheatsheet <http://hertaville.c… text/html 2021-02-09T10:10:35+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/device_tree?rev=1612865435&do=diff <https://developer.toradex.com/device-tree-customization> <http://www.armadeus.com/wiki/index.php?title=Kernel-with-device-tree> <http://www.wiki.xilinx.com/Build+Device+Tree+Blob> <https://groups.google.com/forum/#!topic/beagleboard/aHnIl-2eU1g> <http://lwn.net/Articles/572692/> <http://elinux.org/images/a/a3/Elce2013-petazzoni-devicetree-for-dummies.pdf> / { model = ""; compatible = ""; --> property cpus { }; --> (sub)node label: nodeA@1 { --> label used w… text/html 2018-05-18T09:53:28+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/drivers?rev=1526637208&do=diff Main steps when implementing a character driver: * implement operations corresponding to system calls from an application * define a file_operations structure associated to the implemented functions * reserve a ser of major and minor numbers for the driver text/html 2011-09-27T21:26:57+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/ea_lpc2478?rev=1317158817&do=diff Embedded Artists LPC2478 evaluation board Board specs * ARM7TDMI with 512KB Flash and 96KB RAM * External Flash: 128MB NAND, 4MB NOR * External data memory: 32MB SDRAM * 256Kbit I2C E2PROM * 32.768kH RTC Building U-boot Embedded Artists provides patches for u-boot 1.1.6. This is a very old U-boot but we have to use it as our board is not supported on the main u-boot development line. The version of U-boot that we are using, 1.1.6, does not seem to be compilable under Codesourcery g… text/html 2025-10-31T22:20:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/embedded_linux?rev=1761949204&do=diff Embedded linux components * Toolchain * Boot loader * kernel * user space Embedded linux tools U-Boot - GPL boot loader uClibc is a small C standard library intended for embedded linux systems that was created to support uClinux, a version of linux that does not require an MMU. Currently, the kernel codebases for uClinux and linux are the same, having just different configurations (since the 2.6 Linux release). It is now supported by MontaVista, TimeSys and Windriver. A native uClibc… text/html 2026-06-08T20:14:37+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/embedded_testing?rev=1780949677&do=diff Docker We can use Docker to set up a stable and repeatable environment where our firmware is built and unit tested. Furthermore, we can use access the hardware from the container to perform integration testing. A shared directory will allow us to access our code from within the containerized environment. text/html 2016-11-14T20:51:19+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/esp8266?rev=1479156679&do=diff <http://hackaday.com/2015/03/18/how-to-directly-program-an-inexpensive-esp8266-wifi-module/> <http://www.instructables.com/id/Getting-Started-with-the-ESP8266-ESP-12/> <http://www.danielcasner.org/guidelines-for-writing-code-for-the-esp8266/> <https://www.baldengineer.com/four-esp8266-gotchas.html> <http://tuanpm.net/rock-solid-esp8266-wifi-mqtt-restful-client-for-arduino/> <http://tuanpm.net/native-mqtt-client-library-for-esp8266/> <http://www.penninkhof.com/2015/03/esp8266-open-sdk/> Bo… text/html 2011-09-11T07:50:37+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/freebsd?rev=1315727437&do=diff FreeBSD releases Current releases are 8.2 and 7.4. See the release pages. FreeBSD system A FreeBSD system is composed of: * The base system, consisting of the kernel plus world (the userland OS files in /usr/src), updated with csup. * User installed applications, which are handled via the ports tree, see /var/db/pkg/*, updated by compiling ports or installing binary packages. text/html 2022-10-09T16:33:16+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/freertos?rev=1665333196&do=diff <http://fixbugfix.blogspot.com/2016/01/how-to-debug-stack-corruption-on.html> text/html 2016-09-24T13:05:01+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/gprs_modems?rev=1474722301&do=diff Libraries <https://github.com/openxc/AT-commander> <http://wiki.groundlab.cc/doku.php?id=gsm_library> Modules M590 <http://www.academia.edu/15633281/GSM_GPRS_Modem_-_Neoway_M590E> <http://www.14core.com/wiring-the-neoway-industrial-type-m590-m590e-gsmgprs-sms-notification/> <http://arduinotehniq.blogspot.de/2015/09/gprs-module-with-m590-for-sms-projects-1.html> <https://www.rfsolutions.co.uk/downloads/1456226518Neoway-M590.pdf> SIM800H <http://www.simcom.eu/index.php?m=termekek&prime=1… text/html 2012-03-31T13:10:59+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/investigating_crashes?rev=1333199459&do=diff Debugging Linux Kernel Lockup / Panic / Oops LWN - ondemand governor patch Blueprint - Improve cpufreq ondemand governor for ARM <http://www.armadeus.com/wiki/index.php?title=Oops%2C_Linux_crashes> <http://www.makelinux.net/ldd3/?u=chp-4-sect-5> <http://www.hjackson.org/cgi-bin/linux/kernel/oops.pl> text/html 2023-06-15T18:14:28+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/kernel?rev=1686852868&do=diff <https://docs.kernel.org/index.html> Kernel headers should be copied into /usr/include to be used by libraries and compiled programs. These should be the headers glibc has been compiled against, and should be kept independent of the ones in the kernel source tree. New packages are compiled against these headers, otherwise, if packages are compiled against headers that do not match the headers glibc was compiled against, segfaults or other strange problems may appear. /usr/include headers should… text/html 2014-07-28T15:06:49+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/lcd_displays_intefacing?rev=1406560009&do=diff Graphics LCD drivers for Microcontrollers with ARM core problem when i interface the lcd with LPC2148 <http://electronics.stackexchange.com/questions/13935/efficient-display-of-simple-text-graphics-on-color-lcd-by-arm> <https://code.google.com/r/gsam-stm32micro/source/list> <http://www.armbedded.eu/node/276> <http://lists.omnipotent.net/pipermail/lcdproc/2008-February/012112.html> <http://www.mikrocontroller.net/attachment/7249/gfx_lcd.c> <http://www.mikrocontroller.net/attachment/7251/ch… text/html 2024-09-25T03:28:00+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/libraries?rev=1727234880&do=diff <http://libopencm3.org/> Logger <http://www.etalabs.net/> Memory allocation <https://hps.vi4io.org/_media/teaching/wintersemester_2013_2014/epc-1314-ellermann-dynamic-memory-allocation-report.pdf> MCU peripheral forwarding <https://interrupt.memfault.com/blog/mcu-peripheral-forwarding?_hsmi=278069723> Task schedulers This can provide cooperative multitasking for simple tasks, avoiding the need of an RTOS. <https://www.cs.ucr.edu/~vahid/rios/> Small C libraries <http://pdclib.e43.eu/> … text/html 2016-06-20T05:51:03+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/logger?rev=1466401863&do=diff <https://www.approxion.com/?p=1768> text/html 2016-01-26T06:18:12+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/lpc1768?rev=1453789092&do=diff <https://developer.mbed.org/users/Lerche/notebook/lpc1768-pin-functions/> text/html 2015-07-25T19:55:20+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/matplotlib?rev=1437854120&do=diff Non interactive: import matplotlib.pyplot as plt import numpy as npplt.plot(....) Embedded matplotlib in a gui. pylab is a way of importing pyplot and most of numpy into the namespace. This is equivalent to from pylab import *. Note that it imports numpy as np and pyplot as plt. text/html 2021-05-29T21:16:09+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/mcu_execution_time?rev=1622322969&do=diff Execution time dependencies: * Core clock * Bus clock / GPIO access * Compiler optimization * Flash wait states / Flash accelerator * Cache * ITCM / DTCM (see <https://vivonomicon.com/2020/09/10/bare-metal-stm32-programming-part-13-running-temporary-ram-programs-and-using-tightly-coupled-memories/>) Master clock out pin, MCO Read advice about interupt latency in <https://www.electronicproducts.com/an-overview-of-the-arm-cortex-r5-core/#> text/html 2020-05-14T15:50:32+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/mcus_by_industry?rev=1589471432&do=diff Sutff from the Firmware Linkedin group discussions and other sources: Automotive * Fujitsu (Spansion) * Power architecture Avionics * Freescale MPC565 Communications * MSP430 Computer Vision (deep learning) * NVIDIA Jetson TK1 developer kit text/html 2020-06-16T20:08:50+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/ml_courses?rev=1592338130&do=diff <https://medium.com/learning-new-stuff/machine-learning-in-a-week-a0da25d59850#.4ntiguxbi> <https://codequs.com/p/BkaLEq8r4/a-complete-machine-learning-project-walk-through-in-python> Neural networks <http://cs231n.stanford.edu/> <http://www.fast.ai/> Numpy <https://nbviewer.jupyter.org/github/Yorko/mlcourse.ai/blob/master/jupyter_english/tutorials/more_info_about_numpy_kseniia_terekhova.ipynb> text/html 2017-11-23T15:29:25+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/ml_libraries?rev=1511450965&do=diff shogun.ml text/html 2015-06-24T07:51:17+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/msp430?rev=1435132277&do=diff Unit testing <https://github.com/jotux/MSP430-IAR-Unit-Testing-Utilities> text/html 2018-01-17T18:04:11+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/numpy?rev=1516212251&do=diff <https://nbviewer.jupyter.org/github/vlad17/np-learn/blob/master/presentation.ipynb> text/html 2021-02-04T22:03:34+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/other_boards?rev=1612476214&do=diff Pandaboard Phytec i.MX6 LPC1768 MSP430 ESP8266 Embedded computing boards Going industrial with Atmel and ARM Atmel ARM boards made by Acme Systems Atmel ATSAMA5D3-XPLD Emtrion SBC-SAMA5D36 <http://www.ti.com/tool/cc3200-launchxl> <http://www.karo-electronics.com/tx-standard.html> <https://www.toradex.com/de/computer-on-modules/colibri-arm-family/freescale-vybrid-vf6xx> <http://www.element14.com/community/docs/DOC-52847/l/embest-cpu-core-module-mbc-sama5-based-on-atmel-arm-cortex-a5-… text/html 2013-01-21T16:20:53+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/pandaboard?rev=1358785253&do=diff See the Omappedia Pandaboard FAQ and the crashcourse.ca Pandaboard info. elinux Pandaboard OMAPpedia <http://hbrobotics.org/wiki/index.php?title=Installing_and_Configuring_Ubuntu_on_the_PandaBoard> Pandaboard ES kernel compilation We are using the cross-compiling toolchain from Linaro, arm-linux-gnueabihf, with gcc version 4.6.3. mkimage -A arm -T script -C none -n "Pandaboard boot script" -d boot.script boot.scr# wget kernel sources make CROSS_COMPILE=arm-linux-gnueabihf- ARCH=arm omap2plu… text/html 2017-11-24T10:45:43+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/pandas?rev=1511520343&do=diff Pandas from the ground up <https://tryolabs.com/blog/2017/03/16/pandas-seaborn-a-guide-to-handle-visualize-data-elegantly/> text/html 2017-05-19T07:54:02+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/pcb_manufacturers?rev=1495180442&do=diff <https://www.mikrocontroller.net/articles/Platinenhersteller> <http://pcbshopper.com/> text/html 2016-05-31T20:13:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/performance?rev=1464725624&do=diff perf lttng <http://www.embedded-bits.co.uk/2015/understanding-io-wait-why-no-idle-can-be-ok/> Boot time reduction <http://lists.denx.de/pipermail/u-boot/2011-April/091481.html> <http://free-electrons.com/services/boot-time/> <http://free-electrons.com/doc/training/boot-time/> <https://wiki.ubuntu.com/BootCharting> Measuring latency <http://btorpey.github.io/blog/2014/02/18/clock-sources-in-linux/> text/html 2014-06-05T09:08:31+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/phytec_i.mx6?rev=1401959311&do=diff <http://www.phytec.de/de/produkte/single-board-computer/produktdetails/p/phyboard-subra-imx6-quad-core-1x-kamera.html> <http://www.phytec.com/wiki/index.php/PhyFLEX-i.MX6> <http://www.phytec.in/manuals/subra-imx6.pdf> Freescale <http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=LEIMX&fpsp=1&tab=Design_Tools_Tab> text/html 2016-05-31T18:17:07+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/protocol_standards?rev=1464718627&do=diff I2C text/html 2022-11-19T16:34:26+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/psychology?rev=1668875666&do=diff <https://www.kitchensoap.com/2012/10/25/on-being-a-senior-engineer/> <https://www.embeddedrelated.com/showarticle/1470/soft-skills-for-embedded-systems-software-developers> text/html 2021-05-28T12:30:27+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/pulse_measurement?rev=1622205027&do=diff <https://github.com/jelson/rulos/tree/master/src/app/timestamper> <https://github.com/dorsic/PicoPET> text/html 2017-05-19T08:34:08+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/python_visualization?rev=1495182848&do=diff <https://matplotlib.org/> <https://github.com/jupyter-widgets/ipywidgets> <http://www.pyqtgraph.org> <https://seaborn.pydata.org/> plotly / cufflinks <http://walkerke.github.io/geog30323/slides/interactive/#/> <https://github.com/python-visualization/folium> text/html 2022-04-20T21:16:51+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/python?rev=1650489411&do=diff Simple Python project structure <http://docs.python-guide.org/en/latest/> <https://docs.python.org/3/whatsnew/3.0.html> <https://docs.python.org/3/library/index.html> <https://www.pythonsheets.com/> <https://github.com/mattharrison/Tiny-Python-3.6-Notebook/blob/master/python.rst> Installing pip on ubuntu/debian Virtual environments Data Science tools <https://github.com/jupyter/nbconvert> <http://pydoit.org/> matplotlib Micropython <https://www.digikey.de/en/articles/techzone/2017/s… text/html 2021-02-04T21:07:41+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/quick_reference_handouts?rev=1612472861&do=diff [ ARM and Thumb2 instruction set] [ ARM Cortex M4F instruction set] [ ARM Thumb 16-bit instruction set] [ Vector floating point instruction set] [GNU assembler directives] text/html 2020-10-03T18:26:25+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/raspberry_pi?rev=1601749585&do=diff <http://unixetc.co.uk/2019/07/07/raspberry-pi-4-real-world-tests/> Realtime <https://www.raspberrypi.org/forums/viewtopic.php?t=228727> <https://lemariva.com/blog/2019/09/raspberry-pi-4b-preempt-rt-kernel-419y-performance-test> <https://yosh.ke.mu/raspberry_pi_isolating_cores_in_linux_kernel> RPi4 with Python Install Raspberry Pi Imager to Raspberry Pi OS by running sudo apt install rpi-imager in a terminal window. sudo raspi-config Enable booting to CLI and SSH server. <https://realpyth… text/html 2019-05-31T10:46:28+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/real_time_data_visualization?rev=1559299588&do=diff <https://www.segger.com/products/development-tools/systemview/> <https://github.com/crxguy52/serialplot> <https://www.micrium.com/ucprobe/about/> Wave viewer Real-time data display <http://www.pyqtgraph.org/> <https://forum.contextualelectronics.com/t/waveform-viewer/2154/4> text/html 2025-11-27T11:21:05+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/realtime?rev=1764242465&do=diff <https://wiki.linuxfoundation.org/realtime/rtl/start> <https://wiki.linuxfoundation.org/realtime/rtl/all_topics> <https://www.embedded-software-engineering.de/entwicklung-einer-linux-realtime-applikation-a-b862ea485a877e6a7e2f25edd98f5ef7/> Learning <https://realtime-linux.org/a-checklist-for-real-time-applications-in-linux/> <https://bootlin.com/training/preempt-rt/> Core partitioning User-space partitioning, core isolation, NO_HZ_FULL Dual-OS partitioning, using a POSIX RTOS in some co… text/html 2021-02-19T14:35:38+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/rtems_bsp_for_tms570lc4357?rev=1613745338&do=diff How to create a minimal BSP: * Use CCS to run example of TMS570LC4357 * Used <https://github.com/hangcui1201/ARM_TI_TMS570LC43_SAFETY/tree/master/TMS570LC43x_LaunchPad_Project0> * Study differences between HalCoGen BSPS produced for R4 and R5 * Adapt CCS project BSP accordingly * Import the TMS570LC4357 BSP adaptations in the existing RTEMS R4 BSP text/html 2021-01-30T15:03:22+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/rtems?rev=1612019002&do=diff CPU frequency goes in CONFIGURE_CLICKS_PER_MICROSECOND. Tick frequency goes in CONFIGURE_MICROSECONDS_PER_TICK. TMS570LC43x <https://lists.rtems.org/pipermail/devel/2017-May/017864.html> text/html 2019-12-04T15:06:19+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/saving_flash_space?rev=1575471979&do=diff * Remove string duplication (search binary with string utility to find out how much space you can save) * Use integer error codes rather than showing error strings * Literal pool usage reduction * e.g. when going from ARM to Thumb * group globals into structures text/html 2022-04-20T21:21:22+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/scipy_ecosystem?rev=1650489682&do=diff numpy pandas <http://scikit-learn.org> matplotlib text/html 2018-09-17T19:15:31+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/scratchpad?rev=1537211731&do=diff <https://www.chromium.org/developers/npapi-deprecation> <https://github.com/nwjs/nw.js/issues/3241> <http://foscam.us/forum/npapi-plugin-being-phased-out-of-chrome-t9719.html> <http://people.videolan.org/~dionoea/vlc-plugin-demo/> <https://www.wowza.com/forums/content.php?304-How-to-set-up-and-run-Wowza-Transcoder-AddOn-for-live-streaming> <https://groups.google.com/a/chromium.org/forum/#!topic/chromium-extensions/amzJeWuYsZ4> <https://groups.google.com/forum/#!topic/native-client-discuss/… text/html 2022-04-20T21:28:49+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/security?rev=1650490129&do=diff Research on attack mitigations on embedded linux text/html 2021-02-10T19:25:18+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/sensors?rev=1612985118&do=diff DIY Open Source Geiger Counter Kit (MightyHohm) <http://www.uradmonitor.com/> Air quality monitors <http://explorables.cmucreatelab.org/explorables/air-quality-monitor-tests/> <https://smartairfilters.com/en/blog/accurate-1-micron-dylos-official-pm2-5-comparison-test/> <https://cleantechnica.com/2016/07/09/home-indoor-air-quality-monitors-best/> <https://www.amphenol-sensors.com/en/telaire/dust-sensors/3393-sm-uart-04l> <https://towardsdatascience.com/sensing-the-air-quality-5ed5320f7a56>… text/html 2016-05-29T19:20:34+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/shops?rev=1464549634&do=diff <https://www.flikto.de/> <http://www.watterott.com/> <http://www.mouser.de/> <http://www.digikey.de/en> <http://de.farnell.com/> text/html 2014-02-13T10:13:47+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/single_board_computers?rev=1392286427&do=diff Interesting board from Energy Micro. Other article <http://dics.voicecontrol.ro/process_mails/arata_discutia/147801/Single_board_computers_for_embedded_application.html> <http://albert-david.blogspot.com/> Beagleboard barebones Gumstix <https://geppetto.gumstix.com/> Beaglebone Pandaboard lab boards <http://www.keil.com/support/docs/3466.htm> Embedded Artists LPC2478 evaluation board RPi <https://github.com/jamieiles/rpi-gdb> <http://jamieiles.co.uk/blog/?p=27> modules <http://www… text/html 2024-03-20T12:11:12+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/software_tools?rev=1710936672&do=diff Eclipse Trace Compass Static analysis tools <https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html?mc_cid=3835da293a&mc_eid=UNIQID> <https://clang.llvm.org/docs/ThreadSanitizer.html?mc_cid=3835da293a&mc_eid=UNIQID> <https://clang.llvm.org/docs/AddressSanitizer.html?mc_cid=3835da293a&mc_eid=UNIQID> Running embedded software in the host From the Embedded Artistry newsletter: We have had a number of discussions this month about the idea of running as much code off-target as possible. Som… text/html 2011-11-04T14:03:47+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/standards?rev=1320415427&do=diff Industrial automation Isa100.11a WirelessHart text/html 2026-06-08T20:26:40+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/start?rev=1780950400&do=diff Quality should contain the notion of value, not just efficiency. Russell L. Ackoff. Whether you think you can, or you think you can't--you're right. Henry Ford. Inventing on principle, Bret Victor Rob Pike's 5 rules of programming ARM STM32 Beaglebone Black Raspberry PI Teensy or 1bitsy (using the Black Magic Probe to get rid of OpenOCD) XMC other boards Building bare metal and linux applications text/html 2018-01-17T12:58:24+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/statsmodels?rev=1516193904&do=diff <http://www.statsmodels.org/stable/tsa.html> text/html 2022-09-27T19:39:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/stm32?rev=1664307584&do=diff Andy's STM32 workshop <https://github.com/texane/stlink> <http://startingelectronics.com/tutorials/STM32-microcontrollers/programming-STM32-flash-in-Linux/> <http://developers.stf12.net/projects-list> <https://jpieper.com/2022/08/05/debugging-bare-metal-stm32-from-the-seventh-level-of-hell/> Cortex M3 and GNU tools <http://www.seng.de/downloads/HowTo_ToolChain_STM32_Ubuntu.pdf> Programming STM32 F2, F4 ARMs under Linux: A Tutorial from Scratch Libraries STM32CubeF4 some STM32F4 librari… text/html 2019-04-06T10:32:50+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/sw_design_lessons_learned?rev=1554546770&do=diff Purpose Think about the purpose of the software you write, it should be helping somebody. We should design systems that can be easily maintained so that they can continue to be as helpful as possible. Simplicity We should struggle to design our software the simplest possible way. Aim for helping others understand the software. text/html 2015-09-05T11:27:15+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/sw_update?rev=1441452435&do=diff <https://github.com/sbabic> OpenBLT text/html 2016-01-26T06:19:36+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/teensy?rev=1453789176&do=diff <http://www.seanet.com/~karllunt/bareteensy31.html> <http://www.seanet.com/~karllunt/bareteensy31libs.html> text/html 2018-09-17T14:22:32+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/testing?rev=1537194152&do=diff <http://events.linuxfoundation.org/images/stories/slides/elc2013_porter.pdf> <http://processors.wiki.ti.com/index.php/LTP-DDT> <http://www.linuxjournal.com/content/linux-kernel-testing-and-debugging?page=0,2> <https://github.com/autotest/autotest> SD cards <http://projects.nuschkys.net/2012/05/15/testing-a-new-sd-card-under-linux/> <http://wiki.laptop.org/go/SDCard_Testing> Unit testing <http://osdevnotes.blogspot.de/2012/01/linux-kernel-unit-testing.html> <https://github.com/gruzdev/em… text/html 2018-03-02T13:01:11+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/time_series?rev=1519995671&do=diff <http://www.ams.sunysb.edu/~zhu/ams586/Time_Series_Introduction.pdf> text/html 2021-02-25T09:10:41+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/tools?rev=1614244241&do=diff <http://kaiwantech.wordpress.com/2013/12/28/linux-tools-for-the-serious-systems-programmer/> Linker scripts * kernel: arch/$(ARCH)/kernel/vmlinux.lds * userland, embedded in the toolchain, see strace ld --verbose Memory Duma <https://github.com/pixelb/ps_mem/> Real-time <https://www.osadl.org/Realtime-Preempt-Kernel.kernel-rt.0.html#externaltestingtool> Debugging <https://visualgdb.com/> OpenOCD <http://elinux.org/BeagleBoardOpenOCD> Profiling <http://elinux.org/Kernel_Trace_Sy… text/html 2014-07-28T15:09:39+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/ubuntu?rev=1406560179&do=diff Calendar <http://fridge.ubuntu.com/calendars/fridge/> setting up the latest development environment (see also <http://developer.ubuntu.com/packaging/html/getting-set-up.html>) sudo apt-get install gnupg pbuilder ubuntu-dev-tools bzr-builddeb apt-file sudo apt-get install packaging-dev gnupg – GNU Privacy Guard contains tools you will need to create a cryptographic key with which you will sign files you want to upload to Launchpad text/html 2017-02-10T18:05:22+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/vim?rev=1486749922&do=diff A vim tutorial <http://stevelosh.com/blog/2010/09/coming-home-to-vim/> <http://stackoverflow.com/questions/1218390/what-is-your-most-productive-shortcut-with-vim/1220118#1220118> <http://benmccormick.org/learning-vim-in-2014/> vim recipes <http://www.viemu.com/a-why-vi-vim.html> text/html 2014-07-17T17:03:25+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/wifi_modules_interfacing?rev=1405616605&do=diff TI CC3000 <http://www.sharebrained.com/2013/02/21/wifi-module-for-10-dollars/> <https://github.com/exosite-garage/msp430_cc3000_smartconfig/tree/master/cc3000_spi> text/html 2021-05-21T15:12:11+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/working_on?rev=1621609931&do=diff PR19_01_XMC Infineon XMC4800 development environment with Docker containers. * TODO: Add lizard static analysis * TODO: <https://interrupt.memfault.com/blog/boostrapping-libc-with-newlib> * TODO: <https://interrupt.memfault.com/blog/automate-debugging-with-gdb-python-api> PR19_02_Sensors Air quality PM sensor measurements and data visualization. * TODO: <https://www.freecodecamp.org/news/how-to-monitor-your-air-quality-with-this-diy-setup-3399793137c3/> * TODO: <https://seethe… text/html 2012-01-11T22:10:33+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/wsn_hardware?rev=1326319833&do=diff Embedded Industrial Platforms * Artila/Matrix * <http://www.netbiter.com/products/easyconnect.shtml> * Specifically, we are using the Verdex XM4 motherboard coupled with netCF-vx and breakout-vx daughterboards. The netCF board allows a CF-Based WiFi card, while the breakout board exposes a variety of interfaces including UART, I2C, Power connections, and USB Host. text/html 2019-10-13T18:08:53+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/xmc?rev=1570990133&do=diff <http://eleceng.dit.ie/frank/arm/BareMetalXMC2Go/index.html> github projects <https://github.com/furtnerthomas/Linux-XMC-Development> <https://github.com/notandy/xmc4500-relax-linux> <https://github.com/PromyLOPh/xmclib> <https://github.com/Infineon/XMC-for-Arduino/tree/master/arm/variants/XMC4800> <http://www.myxmc.de/tutorial/doku.php?id=systemtickc> text/html 2016-10-13T10:33:09+00:00 Anonymous (anonymous@undisclosed.example.com) http://doku.emsec.net/zephyr?rev=1476354789&do=diff <https://www.zephyrproject.org/sites/local-zephyr/files/zephyr_project_technical_overview.pdf> <https://wiki.zephyrproject.org/view/Development_Model> <https://wiki.zephyrproject.org/view/Collaboration_Guidelines> Boards <https://wiki.zephyrproject.org/view/Arduino_101> CoAP Hi, Extracted from: <https://gerrit.zephyrproject.org/r/#/c/2487/> --8<---------------cut here---------------start------------->8--- Quapi[1] - Basic CoAP for Zephyr ################################ CoAP[2] is a w…