# 33 questions

Tagged
• x
43
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1
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1

## Configureing Mesh node returns ACCESS_STATUS_INVALID_MODEL?

When configuring my Bluetooth Mesh server node to the network, it receives an error and I am not sure why.

I receive an ACCESS_STATUS_INVALID_MODEL error after having called config_client_model_app_bind() like this:

access_model_id_t model_id =
{
.company_id = COMPANY_ID,
.model_id = BEACON_SERVER_MODEL_ID = 0x00
};
config_client_model_app_bind(256 ...
(more)

66
views
3
1

## What precicly is an Element in Bluetooth Mesh

I have a hard time understanding precisely what an Element is and how it differentiates from a Model when talking Bluetooth Mesh.

The only definition can seem to find of an Element is; "Something addressable in a device." But this ... (more)

41
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1
vote
1

## What are the constants in nrf_mesh_config_node_app.h used for?

I have a hard time figuring out what some of the constants in nrf_mesh_config_node_app.h for my Bluetooth Mesh application should be set as. Instead of writing a question for each of the constants i have listed the ones i ... (more)

151
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4
1

## Bluetooth Mesh TX power on nRF52

I'm playing around with the light and switch examples with the Bluetooth mesh SDK on nRF52832 devices. I'm trying to find out what the maximum distance would be given changes in TX output power. However, every time I ... (more)

72
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2
1

## How is CONFIG_OPCODE_COMPOSITION_DATA_GET handled by a Bluetooth mesh server?

I am writing a bluetooth mesh application with a server and client. Provisioning is working, but the configuration of the server is giving me problems.

I have based my application on the Light Switch example from the Mesh SDK v0 ... (more)

34
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no
no

## Mesh configuration - Sending composition data fails?

I have asked about this before. But after working more on the project, it seems the solution i found before actually didn't solve the problem. Hence I am asking again.

After provisioning a mesh server and calling config_client_composition_data_get() the ... (more)

37
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1
vote
1

## Is it mandetory to use the Health model for Bluetooth Mesh applications?

In the Light Switching example the Health model is used, but is it mandatory to used this model for Bluetooth Mesh applications or can choose not to use it if i don't deem it necessary?

39
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1

I am writing a combined beacon and mesh node using the mesh SDK v0.10.

When dsm_local_unicast_addresses_set() is called in mesh_evt_handler(), which can be found in nrf_mesh_node_config.c a NRF_ERROR_FORBIDDEN error is returned which results in an assert.

What can ... (more)

60
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1
vote
2

## BLE mesh - Removing node from network

Is there a method to remove a node from the network using the current bt mesh stack? I've looked through device_state_manager.c but it appears to me that there are only functions that would be used to add information ... (more)

58
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no
1

## Combining mesh beacon example and light switching server example returns error?

I am writing a mesh beacon application based on Mesh SDK v0.10's beacon and light switching examples. A very kind Nordic employee has provided an example on how to combine the two examples projects. But it causes problems ... (more)

68
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1
vote
1

## Weird definition of access_opcode_t?

When reading about access_opcode_t struct on its infocenter page it stumbled upon this table i don't understand.

access_opcode_t is defined as:

Data Fields
-------------------
uint16_t opcode
uint16_t company_id


And the table i don't understand looks like this:

+-----------+-----------+-----------+-----------------------------------------------------------------+
| Byte 0 ...
(more)

123
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no
2

## Application compiles with no errors but still dosen't work?

I am building a Bluetooth Mesh application based on the Mesh Beacon Example, i have written a custom Makefile and got it compiling with no errors.

But when Flashing the nRF51422 with the program, nothing happens. If I build the ... (more)

169
views
2
2

## Bluetooth Mesh using nRF52840

Hi, I would like to know when the nRF5 SDK for Bluetooth Mesh will support nRF52840? Thanks.

175
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no
1

## Cheap Dev Boards to create a Mesh Network?

Hey,

I'm new to the Nordic Semiconductors and wanted to get started out trying to learn about Bluetooth Mesh.

I've been reading a lot of posts and trying to get some hardware in the pipeline.

From what I ... (more)

35
views
2
1

## Error when making custom makefile for BL Mesh project

I am building a Bluetooth Mesh project and when trying to make a custom Makefile for the Mesh Light Control Example, but when compiling the project i get this error:

Compiling file: nrf_mesh.c
In file included from ../../nrf5_SDK_for_Mesh_v0.9 ...
(more)

119
views
1
vote
1

## Number of BL Mesh clients

In the Bluetooth Light Controller example for the client in main.c these constants are defined:

#define SERVER_COUNT (3)
#define CLIENT_COUNT (SERVER_COUNT + 1)


Why is it necessary to have 4 clients, when only one devboard is used in the example ... (more)

117
views
1
vote
1

## How should public & private -mesh keys be stored?

In the Bluetooth Light Controller example for the client, in provisioner.c this beautiful comment can be found:

/* Provisioning encryption key storage (this is not how you should store your keys). */
static uint8_t m_public_key[NRF_MESH_PROV_PUBKEY_SIZE];
static uint8_t m_private_key[NRF_MESH_PROV_PRIVKEY_SIZE];


But ... (more)

137
views
1
vote
1

## how to set HWID to 52 in ble_mesh_v0.9.1-Alpha?

Hi there, I've already downloaded ble_mesh_v0.9.1-Alpha SDK and I can use arm-none-eabi-gcc to compile it, one thing I want to know is that how can I switch HWID to 52 in order to build firmware for nRF52 ... (more)

244
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no
1

## Future of Bluetooth Mesh SDK?

Will the Bluetooth Mesh SDK be incorporated as a part of the ordinary SDK in the future or will it continue as its own SDK?

And are there any news regarding when the next version of Mesh SDK will be ... (more)

130
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1
vote
2

## Hard Fault when using bluetooth mesh examples

When programming the bluetooth mesh light control demo example found in the bluetooth mesh SDK, i get this error using J-Link RTT Viewer:

0> <t:          0>, main.c,  116, ----- BLE Mesh Light Control Server Demo -----
0> <t:       1391>, main.c ...
(more)

419
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no
1

## Android Bluetooth Mesh sample app

Hi!

Thank you for providing an SDK for BT mesh so early. I'm wondering if you also provide an Android (or perhaps iOS) mobile app that interacts with BT mesh, e.g. by acting as a provisioner through a ... (more)

144
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no
1

## How can i let the node to leave the network? [closed]

Hi guys, now i have done the example as the light control demo description, but i have a question about that how i can let the light server to leave the network?

112
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1

## How can i let the node to leave the network?

Hi guys, now i have done the example as the light control demo description, but i have a question about that how i can let the light server to leave the network? Thank you!

186
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no
1

## Bluetooth Mesh SDK Timeline

The Bluetooth Mesh SDK is currently tagged as alpha software. Is there a timetable for its progression into beta and to a stable release?

I'm evaluating the nRF52832 for a project and need to see if this SDK is ... (more)

642
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2
1

## Mesh for nRF52840 development Kit?

I want to use the development kit for Bluetooth 5.0 IoT product development.

Is there already a bluetooth mesh software available for the nRF52840 development kit?

Or when will this feature be available for the nRF52840 chip?

116
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no
1

## Does nRF51-ble-broadcast-mesh can be used in SDK10?

Github said it works in sdk8.1, But I place it under *nRF51_SDK_10.0.0_dc26b5e\examples* It works well in the demo board. Question,Can it be used in sdk10? What I want to do this in sdk10 because I ... (more)

440
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no
no

## BLE nRF OpenMesh - data rates in typical configurations

Hello,

I'd like to ask what is the data rate when using BLE OpenMesh network and how much it depends on network architecture.

I'm considering using it in a network consisting of ~100nodes. What data rate can I ... (more)

166
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no
1

## Handle_Value pairs in nRF51-ble-bacst-mesh

Hi,

In the nRF51-ble-bcast-mesh example, it is mentioned that "handle_count" refers to "The maximum number of handle-value pairs available to the application. May not be higher than 155 due to BLE namespace requirements."

What does this mean? And, what is ... (more)

542
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no
1

## How to design a mesh network?

Hi Nordic devzone... I want to form a ble mesh network through which a Central can reach any Peripheral in the network, if not directly then through other peripheral. The network consists of a Central device which send control commands ... (more)

379
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no
no

## Setting "Custom Data" in nRF51-ble-bcast-mesh [closed]

I am using BLE_Gateway example defined in nRF51-ble-bcast-mesh to create an rbc_mesh over 2 nRF51422 devices. For now, I am just testing it out on 2 nRF51422; I will set up more devices to create the mesh later.

Now, using ... (more)

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