Destination unreachable:address unreachable.

RE: Destination unreachable:address unreachable.

Edvin — Mon, 08 Oct 2018 06:58:11 GMT

I don't know what application you use...

RE: Destination unreachable:address unreachable.

Halil — Fri, 05 Oct 2018 11:10:18 GMT

Hey Edvin,

Sorry for my uncertain post. I am using PCA10040: nRF52832: S132.

I meant by omitting:

My kernel is 4.14 and I do not need to give an address with this scheme.

Now, I succesfully did everything and I can blink LED4 of board by sending pub message from broker.

Now, another problem is arisen. When I connect one of my board either as sub or as pub to RPi router and send command to blink led, everything is ok. However, when I connect both of my boards at the same time to the router the connection is gone and buttons do not work. I give 2001:db8::1/64 to my bt0 interface, should I give 2001:db8::2/64 to second device?

I am sorry for bad English. Thank you very much.

Best regards,

Halil

RE: Destination unreachable:address unreachable.

Edvin — Fri, 05 Oct 2018 08:58:27 GMT

What do you mean by "need to omit 2 after fe80::" ?

What is your application supposed to do after you press button 1? Can you please, please, please tell me what you have programmed on your nRFs?

RE: Destination unreachable:address unreachable.

Halil — Thu, 04 Oct 2018 19:47:26 GMT

Hi again,

Now, I am able to send ping to address, the problem is I missed the point about linux kernel >= 4.12 mine is 4.14 and I need to omit 2 after fe80:: . I could succesfully connect and ping to the devices however cannot see any change when I press to button 1 on publisher. I think I could have some issues from mosquitto broker. I used non secure 1883 port to start broker by this command:

mosquitto -p 1883

before this I used

sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get install mosquitto
sudo apt-get install mosquitto-clients

commands to install mosquitto broker to my rpi. What could be the problem here?

Best regards,

Halil

RE: Destination unreachable:address unreachable.

Edvin — Thu, 04 Oct 2018 08:14:31 GMT

Can you try to follow the guides from my previous reply? The sites that you refer to are made for the nRF51, which uses a different softdevice, so it will not work. Is that the application you have flashed to your nRF52?

Can you please try to follow the guides that is made for the nRF52?

By the way, I don't know whether you use nRF52832, nRF52840 or the nRF52810. Please note that they all work with different softdevices. Please use the correct one.

---------------: nRF52810: S112

PCA10040: nRF52832: S132

PCA10056: nRF52840: S140

RE: Destination unreachable:address unreachable.

Halil — Wed, 03 Oct 2018 11:47:02 GMT

I did not do anything different. I will share my radvd.conf file content and the Keil snippet where I assigned broker address. My hardware is Rpi3 and 2 Nrf52s.

radvd.conf

Actually, I tried many examples I found on web. For eth0 I used this example before and did not change prefix.

I succesfully connected to both bluetooth devices as shown below.

However, when I attempt to send ping6 to my bluetooth device, the result is shown below.

Thanks

Halil

RE: Destination unreachable:address unreachable.

Edvin — Wed, 03 Oct 2018 08:24:05 GMT

So did you do anything different?

Did you follow the guides from this site? Especially this one.

BR,

Edvin

RE: Destination unreachable:address unreachable.

Halil — Wed, 03 Oct 2018 06:43:26 GMT

Dear Edvin,

Thanks a lot. I re-read again the instructions. However, I could not send ping to link local address of bluetooth device derived with MAC address, it gives me destination unreachable:address unreachable error. What could be the problem?

Thank you very much.

Best regards,

Halil

RE: Destination unreachable:address unreachable.

Edvin — Tue, 02 Oct 2018 08:40:02 GMT

The link you provided is for nRF51, so there might be some changes to make it work with nRF52.

May I suggest that you check out the following links:

For getting started with 6LoWPAN. The setup for this is the same in all the examples.

http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.2.0%2Fiot_getting_started.html

In addition, all of our examples in the SDK has a howto in the bottom of the documentation. For the CoAP example, it is found here:

http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.2.0%2Fiot_sdk_app_coap_server.html&anchor=iot_sdk_app_coap_server_test

Best regards,

Edvin