lora-packet | LoRa radio packet decoder | Messaging library

 by   anthonykirby TypeScript Version: 0.9.0 License: MIT

kandi X-RAY | lora-packet Summary

kandi X-RAY | lora-packet Summary

lora-packet is a TypeScript library typically used in Messaging applications. lora-packet has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

LoRa radio packet decoder
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              lora-packet has a low active ecosystem.
              It has 194 star(s) with 67 fork(s). There are 18 watchers for this library.
              There were 6 major release(s) in the last 12 months.
              There are 8 open issues and 25 have been closed. On average issues are closed in 45 days. There are 3 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of lora-packet is 0.9.0

            kandi-Quality Quality

              lora-packet has no bugs reported.

            kandi-Security Security

              lora-packet has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              lora-packet is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              lora-packet 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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            lora-packet Key Features

            No Key Features are available at this moment for lora-packet.

            lora-packet Examples and Code Snippets

            No Code Snippets are available at this moment for lora-packet.

            Community Discussions

            QUESTION

            Java. LoraWan package decription. AES-128
            Asked 2019-Dec-28 at 13:53

            At first glance, I have the same problem as many. But my case a bit more complex.

            Preconditions:
            Project language: Java 11
            Network Server: Orbiwise NS (https://eu.saas.orbiwise.com/)
            Device: (STM32 + Wifi module) connection via Lorawan gateway to Orbiwise and using TCP socket via wifi.

            Input data:
            From TCP socket received byte array:

            ...

            ANSWER

            Answered 2019-Dec-28 at 13:48

            Your ciphertext offset is off by 2 (as there are 3 option bytes instead of 1, no doubt). Printing out intermediate results or performing full parsing of the header bytes should show you that, which is why I mentioned it in the comments. Note that increasing the offset of 9 by 2 may also affect the ciphertext size, as the end of the ciphertext is fixed.

            Furthermore, you are using Cipher.DECRYPT_MODE while the protocol only uses the cipher in forward mode. Counter mode (used by CCM and CCM* ciphers) only uses the cipher in the forward mode as they generate a key stream that is then XOR-ed with the plaintext stream or ciphertext stream to encrypt / decrypt respectively. The "decryption" part in the protocol only is about performing the final XOR of the generated key stream to the ciphertext rather than the plaintext.

            Of course, ECB mode - used to simply implement a single block encrypt in this case - doesn't require an IV, so that part of the code is spurious.

            Source https://stackoverflow.com/questions/59502173

            QUESTION

            How to require one module in the other for using event emitters?
            Asked 2017-Dec-21 at 12:45

            I have an express server file like this

            ...

            ANSWER

            Answered 2017-Dec-21 at 12:45

            While Node.JS has several ways for handling circular dependencies, dynamical requires are usually a bad idea - it can create many unpredictable situations. It's best to require all the modules you need and then just use them in emitters.

            Source https://stackoverflow.com/questions/47919080

            QUESTION

            How to handle tcp/ip raw requests and http requests on the same server
            Asked 2017-Dec-15 at 04:16

            I am working on a gps tracking system and have built a server on node js. This is how the file looks like for reference.

            ...

            ANSWER

            Answered 2017-Dec-15 at 04:16

            It's very complicated to try to speak multiple protocols on the same port. It requires some sort of scheme at the beginning of each connection to sample the incoming data and identify which protocol it is and then shunt that connection off to the right code to handle that protocol. I wouldn't suggest it.

            It is way, way easier to just open a second server on a different port for an Express server to field your http requests. Very simple. You can do it right in the same app. Because both servers can be in the same app, you can just directly read from one connection and write to the other. There's no need for interprocess communication.

            Is there any way that http requests can also be handled by the same server or should I open another port and deploy an express node js app on that?

            Open another port. No need to write another app unless you have a specific reason to use two processes. You can put both the plain TCP server and the Express server in the same node.js app.

            If I use the same 8080 port for http, how can the routing be achieved?

            It's not easy. Not suggest to use the same port for multiple protocols.

            If I use different ports for http and raw tcp/ip, what would be the best way for communication between the two server. The communication between tcp/ip server and http server should happen via socket(sending data dynamically).

            You can put both servers in the same node.js app and then you can just read/write directly from one to the other with the same code. No need for interprocess communication.

            From http server using socket, data has to be sent dynamically to browser to update live location

            Sending data dynamically to a browser usually means you want the browser to hold something like a webSocket or socket.io connection to your server so you can then send data to the browser at any time over the existing connection. Otherwise, you would have to "wait" for the browser to request data and then respond with the data when it asks.

            Source https://stackoverflow.com/questions/47825615

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

            Vulnerabilities

            No vulnerabilities reported

            Install lora-packet

            You can download it from GitHub.

            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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            Install
          • npm

            npm i lora-packet

          • CLONE
          • HTTPS

            https://github.com/anthonykirby/lora-packet.git

          • CLI

            gh repo clone anthonykirby/lora-packet

          • sshUrl

            git@github.com:anthonykirby/lora-packet.git

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