Unable to send character string from a node, using Libelium libraries
What I would try to do consists on converting your string to char, and send char by char using a loop, on the receiver, receive char by char and try to see whether they match or not. REgards
View ArticleUnable to send character string from a node, using Libelium libraries
right now I am testing with hardcoded values to understand the TX and RX of the whole TTN chain. They work with hex and numeric values.
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Trying to understand basic packet forwarder on Kerlink Gateway
ndarkness: I do not get data at all coming from the gateway to my mote Is your mote a Class B or C node? ndarkness: however I get data from the mote to the server which is behind the gateway, there is...
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Unable to send character string from a node, using Libelium libraries
Okay, so which libraries are you using? We need some URL to some documentation, lacking a crystal ball And I guess char data[] = "68656c6c6f20776f726c64"; error = LoRaWAN.sendUnconfirmed(port, data);...
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Trying to understand basic packet forwarder on Kerlink Gateway
arjanvanb: Is your mote a Class B or C node? It is class A, so I am transmitting each 20 seconds and listening for the incoming message of the getaway arjanvanb: I guess you know, but just in case:...
View ArticleTrying to understand basic packet forwarder on Kerlink Gateway
Hi @ndarkness, This is your string. I got it from here: http://www.motobit.com/util/base64-decoder-encoder.asp (downloaded the binary file)
View ArticleTrying to understand basic packet forwarder on Kerlink Gateway
Hi @scle How did you exactly decode the so called "data":"QAMBAQKAWwABp5+scHk=" of the message? With character set did you use, I use UTF-8 and get @�[����py thanks
View ArticleUnable to send character string from a node, using Libelium libraries
https://www.cooking-hacks.com/documentation/tutorials/lorawan-for-arduino-raspberry-pi-waspmote-868-900-915-433-mhz Interesting! when i send it the way you proposed. the "data_plain" shows "hello World"
View ArticleTrying to understand basic packet forwarder on Kerlink Gateway
I doubt it's text, no matter which encoding. In hexadecimal: $ echo -n "QAMBAQKAWwABp5+scHk=" | base64 --decode | hexdump -C 00000000 40 03 01 01 02 80 5b 00 01 a7 9f ac 70 79 |@.....[.....py| (Be...
View ArticleUnable to send character string from a node, using Libelium libraries
So there is some sort of encoding of the message that the on the receiver cannot be decoded, at least to me seems that. I am facing something similar XD
View ArticleTrying to understand basic packet forwarder on Kerlink Gateway
Thanks @arjanvanb But then what it is? Could i be encrypted data? I use the standar appkey 2B7E151628AED2A6ABF7158809CF4F3C
View ArticleTrying to understand basic packet forwarder on Kerlink Gateway
According to the source it's the payload...? But then: the node won't reply to a confirmed uplink, I think, so then it must be a message from the gateway which does not know the application keys, and...
View ArticleUnable to send character string from a node, using Libelium libraries
When downloading the libraries, one sees in arduinoLoRaWAN.cpp: data is a sequence of digit representing the value of byte stream expressed in hexadecimal value (i.e.: payload =12A435 – the payload is...
View ArticleExtract Json array. (Example needed)
I would like to extract from the array, the first and last "data_plain" & "time" values from my node link:http://thethingsnetwork.org/api/v0/nodes/05060709/ Can somebody Point me to an example in...
View ArticleUnable to send character string from a node, using Libelium libraries
Big thanks for pointing out that detail.
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[ic880a-SPI+RaspBerryPI2] CRC_OK seems to be CRC_FAIL, but not always
Dear all, Strange behaviour i just seem not to be able to figure out. Does anybody have had the same issues and know what to do, or is able to point me in a helpful direction? My Node is only showing...
View ArticleTrying to understand basic packet forwarder on Kerlink Gateway
What message did you send, in this example?
View ArticleExtract Json array. (Example needed)
There's many C libraries for parsing JSON, if that's your question. https://www.google.nl/search?q=c+library+json But if you have difficulties with consuming APIs in C(++), you might want to use a...
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Trying to understand basic packet forwarder on Kerlink Gateway
@arjanvanb I have the same doubts as you, I don't have a clue what is the gateway prompting to me... Look the below process I follow, I have attached as well wireshark caputres @scleI always follow...
View ArticleTrying to understand basic packet forwarder on Kerlink Gateway
But what is the initial message send by the mote? Or is there none?
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