how to print the data from particular node to uart

RE: how to print the data from particular node to uart

Bjørn Kvaale — Thu, 04 Apr 2019 13:32:35 GMT

awneil Thanks for the honest feedback. We are working on the devzone performance issues & should have an update regarding that soon.

ps_anu I see you've created a new case here. I will continue answering there.

RE: how to print the data from particular node to uart

awneil — Thu, 04 Apr 2019 10:34:58 GMT

[quote userid="74848" url="~/f/nordic-q-a/44964/how-to-print-the-data-from-particular-node-to-uart/180252"]set_params.on_off is in bool state , so now i changed it to a character,[/quote]

Then it's still wrong!

[quote userid="6462" url="~/f/nordic-q-a/44964/how-to-print-the-data-from-particular-node-to-uart/180222"]Did you understand the point (sic!) about pointers ?[/quote]

apparently not!

RE: how to print the data from particular node to uart

ps_anu — Thu, 04 Apr 2019 10:10:12 GMT

yeah , set_params.on_off is in bool state , so now i changed it to a character,

 uint16_t x_in;
    char a = 78;
 //char arr[80] = "code";
// char ara [80] = "set";
 
    switch(button_number)
    {
        case 0:
        case 2:
        
           x_in = a;
            break;

        case 1:
        case 3:
       
            x_in = a;
            break;
    }

    set_params.tid = tid++;
    transition_params.delay_ms = APP_CONFIG_ONOFF_DELAY_MS;
    transition_params.transition_time_ms = APP_CONFIG_ONOFF_TRANSITION_TIME_MS;
    __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "Sending msg: ONOFF SET %d\n",x_in);

yes i got result , but not in server side, i hope that i need to make some changes in server side, where i should change and how

RE: how to print the data from particular node to uart

awneil — Thu, 04 Apr 2019 09:14:00 GMT

One of the reasons this thread is getting so long and so hard to follow is that you keep giving these over-brief, vague posts thin on detail - so that we keep having to pull the information out of you!

You still haven't answered all the questions about the problems you were seeing.

[quote userid="74848" url="~/f/nordic-q-a/44964/how-to-print-the-data-from-particular-node-to-uart/180167"]i have changed in client side (set_params.on_off)[/quote]

So what, exactly, have you changed?

How, exactly, did you change it?

How, exactly, has that changed the behaviour that you are seeing?

Is that now the behaviour that you expect/require?

Did you understand the point (sic!) about pointers ?

RE: how to print the data from particular node to uart

ps_anu — Thu, 04 Apr 2019 07:09:24 GMT

Thanks alot both of you . i have changed in client side (set_params.on_off) , now what are the things i should change in server side

RE: how to print the data from particular node to uart

awneil — Wed, 03 Apr 2019 13:17:58 GMT

[quote userid="74848" url="~/f/nordic-q-a/44964/how-to-print-the-data-from-particular-node-to-uart/180014"]how would you say that set_params.on_off is pointer[/quote]

I didn't say that it was - I said that the way you are using it requires that it is!

Aha - I found what I actually said:

https://devzone.nordicsemi.com/f/nordic-q-a/44964/how-to-print-the-data-from-particular-node-to-uart/179179#179179

As I said, arr[] and Ara[] are char arrays, so this assignment:

set_params.on_off = arr;

expects that set_params.on_off is a char pointer.

If set_params.on_off is not, in fact, a char pointer - then that code is not going to do what you want!

Again, this is standard 'C' programming - nothing specifically to do with Nordic:

The thing on the left-hand side of an assignment has to be of the same type (or a "compatible" type) as the thing on the right-hand side of the assignment.

RE: how to print the data from particular node to uart

ps_anu — Wed, 03 Apr 2019 12:55:05 GMT

how would you say that set_params.on_off is pointer?

RE: how to print the data from particular node to uart

awneil — Wed, 03 Apr 2019 12:46:17 GMT

[quote userid="74848" url="~/f/nordic-q-a/44964/how-to-print-the-data-from-particular-node-to-uart/180003"]i am not able to see any tips given by awneil (char pointer where he mentioned)[/quote]

That seems to be a stupid feature of the forum - I can't see them at the moment, either!

For some reason, it (sometimes) seems to just hide some comments, with no apparent way to "reveal" them!

😞

EDIT

When the forum's having performance issues (which seems all too common), it often seems to "lose" bits of itself; eg:

https://devzone.nordicsemi.com/backstage/f/welcome-to-the-devzone/43806/performance-dreadful-today

RE: how to print the data from particular node to uart

awneil — Wed, 03 Apr 2019 12:39:13 GMT

So, again, have you checked your data types?

RE: how to print the data from particular node to uart

ps_anu — Wed, 03 Apr 2019 12:35:37 GMT

yeah i am receiving logging information but i am not getting the char which i have sent

RE: how to print the data from particular node to uart

Bjørn Kvaale — Wed, 03 Apr 2019 12:15:28 GMT

ps_anu Have you looked at the tips awneil has given. Are you receiving any logging information on the receiving node? You need to make sure that the boolean value is changed everywhere in the code necessary to the correct data type (char pointer as mentioned by @awneil). I have mentioned this in previous comments.

RE: how to print the data from particular node to uart

awneil — Mon, 01 Apr 2019 09:58:08 GMT

Which particular question?

Did you see my question about the type of set_params.on_off ?

RE: how to print the data from particular node to uart

ps_anu — Sat, 30 Mar 2019 09:08:25 GMT

hi.... Bjorn kvaale , did you get my question, waiting for your response .

Thanks in advance .

RE: how to print the data from particular node to uart

awneil — Fri, 29 Mar 2019 10:18:29 GMT

What is the type of set_params.on_off ?

arr[] and Ara[] are char arrays, so:

set_params.on_off = arr;

Expects that set_params.on_off is a char pointer.

What does

 __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "Sending msg: ONOFF SET %d\n", set_params.on_off);

actually print?

You would usually use %p to print a pointer...

RE: how to print the data from particular node to uart

ps_anu — Fri, 29 Mar 2019 05:47:48 GMT

but i didn't receive that character , how to get that char in server side .

see the code below this how i set the character in client side

    */
 char arr[5] = "code";
 char ara[5] = "set";
 
    switch(button_number)
    {
        case 0:
        case 2:
            set_params.on_off = arr;
            break;

        case 1:
        case 3:
            set_params.on_off = Ara;
            break;
    }

    set_params.tid = tid++;
    transition_params.delay_ms = APP_CONFIG_ONOFF_DELAY_MS;
    transition_params.transition_time_ms = APP_CONFIG_ONOFF_TRANSITION_TIME_MS;
    __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "Sending msg: ONOFF SET %d\n", set_params.on_off);

check whether it is correct or wrong

RE: how to print the data from particular node to uart

Bjørn Kvaale — Thu, 28 Mar 2019 11:20:30 GMT

It seems the message has been received on the server side. The client also responded with an acknowledged message success, which means that the client has successfully sent the message & the server responded to the client saying it has received the message. Go to line 204 in app_onoff.c & line 96 in main.c for more info.

RE: how to print the data from particular node to uart

ps_anu — Wed, 27 Mar 2019 11:06:54 GMT

thank you so much Bjorn kvaale. i have set the message in generic_onoff_set_params_t, in light switch client example , i am getting results like what does it mean ?

this is pic of client

this is pic of server side

how do i know my message have sent from client to server and want to know whether it is received in server side or not

RE: how to print the data from particular node to uart

awneil — Wed, 27 Mar 2019 10:37:38 GMT

Then please clarify your question!

What have you tried?

Where are you stuck?

Have you tried SDK examples?

RE: how to print the data from particular node to uart

ps_anu — Wed, 27 Mar 2019 05:53:09 GMT

i hope, u didn't understand my question

RE: how to print the data from particular node to uart

awneil — Tue, 26 Mar 2019 14:27:30 GMT

As far as the UART is concerned, it's just data - it is irrelevant where it came from, or how it got there.

Surely, you have used the UART before?

RE: how to print the data from particular node to uart

ps_anu — Tue, 26 Mar 2019 11:11:04 GMT

thank you so much...i have sent the message from client to server , now how can i print the data from server using uart

RE: how to print the data from particular node to uart

Bjørn Kvaale — Mon, 25 Mar 2019 12:03:19 GMT

ps_anu I did not mean to typecast the bool value to a character string, but instead of using bool on_off inside generic_onoff_set_params_t, you could use a fixed size variable e.g. char[3] msg

It should hopefully not be too hard to make the required changes required to send a message of a constant size over the mesh. You should also be able to provision & configure a custom model with nRF Mesh.

RE: how to print the data from particular node to uart

awneil — Sat, 23 Mar 2019 11:26:43 GMT

That's standard 'C' - nothing to do with Nordic.

A moment with google:

https://stackoverflow.com/questions/17307275/what-is-the-printf-format-specifier-for-bool

RE: how to print the data from particular node to uart

ps_anu — Sat, 23 Mar 2019 07:03:39 GMT

how to change the bool value to a character string

RE: how to print the data from particular node to uart

Bjørn Kvaale — Fri, 22 Mar 2019 14:24:13 GMT

If you are sending a generic on off set message, the set_params variable in generic_onoff_client_set(&m_clients[0], &set_params, &transition_params); will send the message data, which will send a bool value state. Like I have mentioned previously, one of the updates you will need to make is to change this bool value to a character string. The message_set_packet_create function takes the set_params variable & makes changes via call by reference to the first argument provided (i.e. &p_client->msg_pkt.set).