OnOff example model state changing in the server

[Carlos Galiana]

Hi!,

I am trying to create an application with BT Mesh using the nrF52840 DK and two nrF52840 Dongles with an OnOff Model Server and an OnOff Model Client respectively. The example from the SDK (I have taken that as the base code) turns the LED On in the DK when the button in the Dongles is pressed (and the Dongle also turns its LED On). I want to be able to use the button on the DK to turn its LED Off and change the status of its OnOff model. When this happend, I would also like the Dongle to turn its LED off because of a state message from the DK. In summary, I want to change the OnOff model server state form the DK and I want the Dongle to know it.

I I dont know what function I should use. I was thinking about led_set, but it has paremters from the message received from the Dongle and I supossed that it is not the correct way to do it. I have noticed about a function called led_work, but I dont understand exactly what is the purpose of it. ¿Do you know what is the correct way to implement this functionality?

Another question:

I have looked for the interrup callbak of the four buttons on the DK, and I have found button_pressed(), and the different paremeter between the four buttons on the DK was "pins". This parameter is the only one which change the value between the four buttons on the DK, so I use it to differentiate which button I have touched. Mi question is: is this correct paramenter to use? It has the following values depending on the button:

Button 1: 2048

Button 2: 4096

Button 3: 16777216

Button 4: 33554432

Thank you for your time.

[Mttrinh]

Hi, 

For your first question:

A status message should be sent out from the server node when changing the LED on the DK. You can change the LED on the dongle based on the received status message. 

For your second question: 

I suggest you create a separate ticket for this.

[Mttrinh]

Hi,

The light switch server example will by default send out a status message when you change the LED on the board, see button_event_handler() inside the example . On the light switch example you can find the status message callback here, app_generic_onoff_client_status_cb. The LED on the client is set using this function hal_led_pin_set(), have a look inside the button_event_handler() in light switch client example.

[Carlos Galiana]

Hi Mttrinh. I am not explaining myself well. First of all, I am using Zephyr API (I think I forget to mention it). I have made a  couple of schemes of the situation.

In the first one I represent what I think that the OnOff model example does:

In the next one I represent what I want to do: 

The part I dont understand is how to change the state of the model with the button on the server and send a status message to the client.

Thank you for your time.

[Carlos Galiana]

Okey it is solved. I had to use the led_work function. 

Thank you for your time.