Difference between revisions of "New skills"
m (→^ Bluetooth and Nordic Semiconductor chips) |
m (→^ Features and elements of Python: - list of lists behaviors.) |
||
| (16 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
Notes page for New Skills and Existing Skills | Notes page for New Skills and Existing Skills | ||
| + | |||
| + | <b>Keywords:</b> Python virtual environment, python-venv<br /> | ||
| Line 85: | Line 87: | ||
==== [[#top|^]] Features and elements of Python ==== | ==== [[#top|^]] Features and elements of Python ==== | ||
| + | |||
| + | Flow control python constructs . . . | ||
| + | * https://docs.python.org/3/tutorial/controlflow.html | ||
| + | |||
| + | Numeric library 'numpy', how to install and how to import as described in Activestate dot com article . . . | ||
| + | * https://www.activestate.com/resources/quick-reads/how-to-import-numpy-in-python/ | ||
| + | |||
| + | Tuples . . . | ||
* https://www.w3schools.com/python/python_tuples.asp | * https://www.w3schools.com/python/python_tuples.asp | ||
| + | Related to <STDIN> . . . | ||
* https://stackoverflow.com/questions/3762881/how-do-i-check-if-stdin-has-some-data | * https://stackoverflow.com/questions/3762881/how-do-i-check-if-stdin-has-some-data | ||
<ul> | <ul> | ||
| Line 92: | Line 103: | ||
* https://stackoverflow.com/questions/3731681/capturing-user-input-at-arbitrary-times-in-python?noredirect=1&lq=1 | * https://stackoverflow.com/questions/3731681/capturing-user-input-at-arbitrary-times-in-python?noredirect=1&lq=1 | ||
</ul> | </ul> | ||
| + | |||
| + | Analogous to C data structures, python offers notion of class type object . . . | ||
| + | * https://www.geeksforgeeks.org/user-defined-data-structures-in-python/ | ||
| + | |||
| + | |||
| + | |||
| + | 2022-09-22 | ||
| + | |||
| + | * https://stackoverflow.com/questions/240178/list-of-lists-changes-reflected-across-sublists-unexpectedly | ||
<!-- comment --> | <!-- comment --> | ||
| Line 137: | Line 157: | ||
<ul> | <ul> | ||
* https://kubernetes.io/docs/concepts/overview/what-is-kubernetes/ | * https://kubernetes.io/docs/concepts/overview/what-is-kubernetes/ | ||
| + | </ul> | ||
| + | |||
| + | Not a container per se but a virtual machine software: | ||
| + | * https://www.virtualbox.org/wiki/Downloads | ||
| + | |||
| + | VirtualBox on-line manual | ||
| + | <ul> | ||
| + | * https://www.virtualbox.org/manual/ch01.html#virt-why-useful | ||
</ul> | </ul> | ||
| Line 256: | Line 284: | ||
* https://community.intel.com/t5/Programmable-Devices/Multiple-Configuration-File-for-Cyclone-IV-E/m-p/50419#M13121%3Fwapkw=ep4ce22f17c6 | * https://community.intel.com/t5/Programmable-Devices/Multiple-Configuration-File-for-Cyclone-IV-E/m-p/50419#M13121%3Fwapkw=ep4ce22f17c6 | ||
</ul> | </ul> | ||
| + | |||
| + | <!-- comment --> | ||
| + | |||
| + | === [[#top|^]] SystemVerilog === | ||
| + | 2021-04-25 | ||
| + | * https://www.chipverify.com/systemverilog/systemverilog-data-types-logic-bit | ||
| + | |||
| + | How to load waveform file into SystemVerilog simulation (from Saturday May 22 tutoring session): | ||
| + | * https://www.youtube.com/watch?v=aIr3c_NbV-U Simulation with ModelSim: How to load Macro File on Modelsim | ||
<!-- comment --> | <!-- comment --> | ||
| Line 290: | Line 327: | ||
* https://www.nordicsemi.com/Software-and-Tools/Development-Tools/nRF-Connect-for-desktop | * https://www.nordicsemi.com/Software-and-Tools/Development-Tools/nRF-Connect-for-desktop | ||
| + | |||
| + | * https://infocenter.nordicsemi.com/pdf/S132_SDS_v6.0.pdf | ||
</ul> | </ul> | ||
| Line 297: | Line 336: | ||
</ul> | </ul> | ||
| − | + | Nordic nRF52832 supports a "soft device" S132. This soft device has per above datasheet on page 17 of 103 a SoftDevice Manager. What is this manager? - TMH | |
| − | < | + | |
| − | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** * | + | Question: on page 21 of 103 might "periods of radio inactivity" be a way to reduce power use when a device is paired? |
| − | * *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** | + | |
| − | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** * | + | Question: on page 66, what is "exception mode" in context of executing SoftDevice code? |
| − | < | + | |
| + | 2021-04-25 - starting a [[nrf52-timer-config|notes page on nRF52 timer/counter configuration]] . . . | ||
| + | <!-- | ||
| + | -*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** * | ||
| + | -* *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** | ||
| + | -*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** * | ||
| + | --><hr><hr><hr> | ||
<!-- comment --> | <!-- comment --> | ||
Latest revision as of 20:21, 22 September 2022
Notes page for New Skills and Existing Skills
Keywords: Python virtual environment, python-venv
Contents
^ Languages and Software Development Tools
Languages and software development tools too investigate . . .
^ Python scripting language
Note, python scripts and configuration are now part of recent Ubuntu and possibly other Debian based Linux distributions. For this reason there is risk of breaking a host system's OS installation on such Linux hosts, if using python's pip installer util to install python packages in their default global mode. Please see 'setting up python virtual environment' a couple paragraphs further on this page.
Available with an interactive Python session:
:~$ python3
Python 3.8.5 (default, Jul 28 2020, 12:59:40)
[GCC 9.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> credits
Thanks to CWI, CNRI, BeOpen.com, Zope Corporation and a cast of thousands
for supporting Python development. See www.python.org for more information.
>>> help
Type help() for interactive help, or help(object) for help about object.
>>> help()
Welcome to Python 3.8's help utility!
If this is your first time using Python, you should definitely check out
the tutorial on the Internet at https://docs.python.org/3.8/tutorial/.
Enter the name of any module, keyword, or topic to get help on writing
Python programs and using Python modules. To quit this help utility and
return to the interpreter, just type "quit".
To get a list of available modules, keywords, symbols, or topics, type
"modules", "keywords", "symbols", or "topics". Each module also comes
with a one-line summary of what it does; to list the modules whose name
or summary contain a given string such as "spam", type "modules spam".
help> help modules
No Python documentation found for 'help modules'.
Use help() to get the interactive help utility.
Use help(str) for help on the str class.
help> modules
Please wait a moment while I gather a list of all available modules...
Python3 "hello world" example . . .
- https://www.digitalocean.com/community/tutorials/how-to-write-your-first-python-3-program
- https://www.digitalocean.com/community/users/ltagliaferri
^ python virtual environment set-up, python3-venv
May be a good idea to create a python virtual environment on Ubuntu and similar Linux distro hosts, to avoid possibly breaking some globally installed python modules and or configurations. An article at Linuxize talks about how to do this . . .
An example use to run canopen-monitor on a Linux host:
127 source oresat-canopen-monitor/bin/activate 128 ls 129 ls canopen_monitor/ 130 vi README.md 131 canopen-monitor -i can0 132 deactivate
^ Python tutorials
Python and ncurses . . .
Python interface to serial ports . . .
^ Features and elements of Python
Flow control python constructs . . .
Numeric library 'numpy', how to install and how to import as described in Activestate dot com article . . .
Tuples . . .
Related to <STDIN> . . .
Analogous to C data structures, python offers notion of class type object . . .
2022-09-22
^ Cmake
C++ Programming Lanuage and Topics
- https://www.geeksforgeeks.org/the-c-standard-template-library-stl/ C++ STL classes
- http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1319r0.html C++11 versus C++14
- https://en.wikipedia.org/wiki/Reference_(C%2B%2B) References C++ versus Pointers C
2021-02-09 Tuesday - Direct Rendering Manager DRM and related:
Open source examples of Direct Rendering Manager:
QtConcurrent . . .
- https://doc.qt.io/Qt-5/qtconcurrent-index.html Code written with QtConcurrent automatically adjusts number of threads instantiated based on number of available processor cores detected at run time . . .
- https://doc.qt.io/qt-5/containers.html Qt container classes, replacements for C++ STL (Standard Templates Library)
^ Containers
^ Docker
STUB SECTION
^ Kubernetes
Containers, Kubernets . . .
Not a container per se but a virtual machine software:
VirtualBox on-line manual
^ FPGAs
FPGAs and Their Uses . . .
- https://www.prowesscorp.com/what-is-fpga/#:~:text=FPGAs%20are%20particularly%20useful%20for,FPGAs%20to%20prototype%20new%20chips. FPGAs for chip prototyping
- https://www.adafruit.com/product/451#description DE0-Nano - Altera Cyclone IV FPGA starter board
Somewhat dated with a posting date of 2015 . . .
ALTERA Cyclone IV EP4CE6 FPGA Development Board Kit Altera EP4CE NIOSII FPGA Board and USB Downloader Infrared Controller
" Well, there is also a Verilog IDE which runs on Linux: https://github.com/rochus-keller/VerilogCreator/blob/master/README.md
And I'm not sure what you mean by "reasonable sized mainstream FPGAs", but there is a full open source toolchain e.g. for Lattice ECP5 and also the Xilinx 7-series will be supported soon. "
Some FPGA synthesis toolchains:
- electronicdesign.com/resources/whats-the-difference-between/article/21800239/whats-the-difference-between-vhdl-verilog-and-systemverilog
2021-03-20 Saturday . . .
^ Verilog and VHDL
Academic notes and resources on Verilog:
Recommended books on Verilog:
VHDL and Verilog editors and simulators
Verilog tutorials recommendations:
- https://hackr.io/tutorials/learn-verilog . . . Ten best Verilog tutorials
^ Open Circuit Design OCD
^ Xilinx tools
Best download method for Xilinx developer tools and libraries . . .
^ FPGA articles at Digikey
2021-02-18 Thursday
- https://www.digikey.com/en/articles/fundamentals-of-fpgas-part-5-getting-started-with-intel-altera-fpgas
- https://www.digikey.com/en/blog/fpgas-101-a-beginners-guide
^ FPGA development kits
- https://www.mouser.com/new/terasic-technologies/terasic-fpga-development-kits-altera-cyclone-iv/
- https://www.amazon.com/Altera-Cyclone-FPGA-Development-Board/dp/B0188D4ENO/
- amazon.com/ALINX-ALTERA-Development-EP4CE6-AX301C/dp/B07DBXVMFZ/
^ Altera and FPGASoftware site at Intel
- https://fpgasoftware.intel.com/?edition=lite Quartus Prime Lite Edition
Quartus Prime Lite Edition Software (Device support included) What's Included? Quartus-lite-20.1.1.720-linux.tar Size: 6.4 GB MD5: 0BEBCAECE9D8A03AF9A69A48ADC45634 ** Nios II EDS requires you to install an Eclipse IDE manually.
Altera Quartus Prime Lite version 20.1.1.720 runs and works on Linux Mint / Ubuntu 20.04 LTS. Some interesting articles on configurations, projects and support for the DE0-Nano board involving Altera Cyclone IV include:
^ SystemVerilog
2021-04-25
How to load waveform file into SystemVerilog simulation (from Saturday May 22 tutoring session):
- https://www.youtube.com/watch?v=aIr3c_NbV-U Simulation with ModelSim: How to load Macro File on Modelsim
^ CAN Protocol and CANOpen
Starting point for information on CANOpen and Object Dictionaries used by CANOpen enabled devices (a.k.a. nodes):
Object Dictionary editor written in C#:
^ USB Protocol
^ Bluetooth and Nordic Semiconductor chips
A Bluetooth 5 USB dongle, designed to work with Nordic's software collection of apps called nRF Connect for Desktop:
Some Bluetooth acronyms, starting with Generic ATTributes or GATT:
- GATT . . . Generic Attributes, https://learn.adafruit.com/introduction-to-bluetooth-low-energy/gatt
Nordic nRF52832 supports a "soft device" S132. This soft device has per above datasheet on page 17 of 103 a SoftDevice Manager. What is this manager? - TMH
Question: on page 21 of 103 might "periods of radio inactivity" be a way to reduce power use when a device is paired?
Question: on page 66, what is "exception mode" in context of executing SoftDevice code?
2021-04-25 - starting a notes page on nRF52 timer/counter configuration . . .
^ Portland Community College courses
^ Windows Powershell
- https://www.techrepublic.com/blog/windows-and-office/basic-windows-powershell-commands-you-should-already-know/
- https://www.brycemcdonald.net/powershell/automation/exchange/2019/04/10/PowerShell-vs-Bash.html
^ Distributed Simulation
^ Power Spectral Density
- https://blog.endaq.com/why-the-power-spectral-density-psd-is-the-gold-standard-of-vibration-analysis
^ Existing skills
Excerpt of Agile values in a nutshell:
"Individuals and interactions over processes and tools Working software over comprehensive documentation Customer collaboration over contract negotiation Responding to change over following a plan.”
