pi_zero_connected | Pre-first boot USB Gadget configuration via /boot

by Belcarra Shell Version: Current License: No License

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kandi X-RAY | pi_zero_connected Summary

pi_zero_connected is a Shell library typically used in Internet of Things (IoT), Raspberry Pi applications. pi_zero_connected has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

The Raspberry Pi Zero running Raspbian can use Networking over USB to connect to the Internet via a Windows or Mac OS system. This allows for very low cost use of the a headless Pi Zero, effectively the cost othe Pi Zero, SD card and USB cable. The use of the Gadget USB Device is not difficult to configure, but Gadget configuration is not normally supported by the initial Raspbian install without modification to the ext filesystem created on the SD card, and that is difficult to do in Windows or Mac OS. This project implements a preflight configuration step done via the boot file system (which is accessible to Windows and Mac OS) to setup a configuration script that will configure the Gadget Device Definition during the initial (aka first boot) of the Raspbery Pi. The goal is to automatically set up Networking over USB using a Gadget Device. This allows a Pi Zero (for example) to be used for headless operation with a network connection through a desktop system without having to modify the Pi Zero system configuration after booting. Additionally a USB Composite configuration is implemented that includes both an networking (CDC EEM, ECM, NCM, or RNDIS) and Serial over USB (CDC ACM). This implements a serial console to the Pi. This project utilizes the same method as the default Raspbian file system resize script to run a configuration script during the first boot. This is done by passing the name of the required script in the kernel command line as specified in the /boot/cmdline.txt file. In this case by replacing the existing first boot script (which the pigadget script will call after completing its configuration tasks.). This photo shows a Pi Zero connected to a Windows laptop. Note the use of VNC to view the desktop, as well as an SSH shell connection and serial port connection using ACM (aka Serial over USB.).

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Quality

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License

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Support

pi_zero_connected has a low active ecosystem.

It has 5 star(s) with 0 fork(s). There are 4 watchers for this library.

It had no major release in the last 6 months.

pi_zero_connected has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of pi_zero_connected is current.

Quality

pi_zero_connected has no bugs reported.

Security

pi_zero_connected has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

pi_zero_connected does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

pi_zero_connected releases are not available. You will need to build from source code and install.

Installation instructions, examples and code snippets are available.

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pi_zero_connected Key Features

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pi_zero_connected Examples and Code Snippets

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Community Discussions

Trending Discussions on Internet of Things (IoT)

Display data from two json files in react native

QUESTION

Display data from two json files in react native

Asked 2020-May-17 at 23:55

I have js files Dashboard and Adverts. I managed to get Dashboard to list the information in one json file (advertisers), but when clicking on an advertiser I want it to navigate to a separate page that will display some data (Say title and text) from the second json file (productadverts). I can't get it to work. Below is the code for the Dashboard and next for Adverts. Then the json files

...

ANSWER

Answered 2020-May-17 at 23:55

The new object to get params in React Navigation 5 is:

Source https://stackoverflow.com/questions/61859411

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install pi_zero_connected

Image the SD card, e.g. using Raspberry Pi Imager
Copy pigadget.sh and pigadget.zip to boot partition
Edit cmdline.txt in the boot partition (see below)
The new Raspian imager is great when it works but has a number of drawbacks. If you have already successfully used the Raspian Etcher then this section may not be needed. However, there are situations when it either fails to work at all or runs very slowly. In those cases there are alternatives. This section considers the particular case of Microsoft Windows users.
It won't run on your version of Windows or Linux or MacOS (they've tried to make it multi-platform but not every corner case is covered).
Speed. It downloads the latest image, unpacks it, and writes it to the SD card in one step. This is fine as long as you always use the latest image, and you have the network bandwidth to download a huge file every time. You may want the option to write a cached image instead of imaging a fresh one from Raspian.org
You need a USB 3.0 or preferably USB 3.1 port on the machine or the process will take literally forever, and the machine may go to sleep while completing the process.
ZIP files of the RaspOS images are still available. These contain a single IMG file. On the Raspbian site choose the option to download a ZIP file either directly or via a torrent.
If the final IMG file is less than 4 GB in size, then the Windows built-in UNZIP tool can unpack it. Otherwise you'll need the 7zip tool. Once you have the IMG file, you can write it to the SD card using the free tool win32diskimager . With a fast USB port and a cached IMG file, this is far faster than the Imager program.
Currently this is using the Belcarra IOTdemo driver which supports EEM, ECM, NCM and RNDIS. An RNDIS configuration can also be used with the builtin Windows driver.
To use the Gadget USB driver with configs setup the following needs to be done. The pigadget.sh setup script implements steps 2 and 3. Step 1 is done when editing the cmdline.txt file.
add module-load=dwc2 to cmdline.txt - this gets the dwc2 module loaded
add dtoverlay=dwc2 to /boot/config.txt - this gets the correct USB Driver configured
add libcomposite to /etc/modules - this gets the libcomposite driver loaded

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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