send data from client to specific server via unicast address

Question

Hi Guys, 
 We are currently working on a mesh sensor network. I have already developed a vendor sensor model (client and server). The client will also work as a gateway and will run on a nRF52840 DK. The Provisioner is on a separate DK just like in the Light Switch Example. The sonsors are a costum hardware with an nRF52840 on it. 
 The sensor send data on regular bases to the client via the mesh and the client then send it via UART to a computer. 
 During the provisioning process the nodes are picked randomly to add them to the network. Now the problem is that I have to know which device has received which unicast address. 
 I now want to send an On/Off message from the client to a unicast address and set an LED to identify which node it is. For that I have to change the publication address of the client locally. So is this possible without the provisioner? I have read that there is the following function available to change the publication address of a node: access_model_publish_address_set() 
 I found out that this function is in the access_config. h file decelerated but I haven't found a access_config.c file. 
 So which files do I have to include to use this functions? 
 Is there another way to change the publication address of a node locally? 
 
 Best regards, 
 Michel

karinca · Accepted Answer

You change the publication address like this: 
 uint32_t status = NRF_SUCCESS;

 dsm_handle_t publish_address_handle = DSM_HANDLE_INVALID;
 nrf_mesh_address_t publish_address_stored;

 if (access_model_publish_address_get(m_clients[0].model_handle, &publish_address_handle) != NRF_SUCCESS) {

 status = dsm_address_publish_add(destination_address, &publish_address_handle);

 } else {

 if (dsm_address_get(publish_address_handle, &publish_address_stored) == NRF_SUCCESS) {

 if ((publish_address_stored.type == NRF_MESH_ADDRESS_TYPE_VIRTUAL) ||
 (publish_address_stored.type != NRF_MESH_ADDRESS_TYPE_VIRTUAL &&
 publish_address_stored.value != destination_address)) {
 /* This should never assert */
 NRF_MESH_ASSERT(dsm_address_publish_remove(publish_address_handle) == NRF_SUCCESS);
 status = dsm_address_publish_add(destination_address, &publish_address_handle);
 } else {
 /* Use the retrieved publish_address_handle */
 }
 } else {

 status = dsm_address_publish_add(destination_address, &publish_address_handle);
 }
 }

 switch (status) {
 case NRF_ERROR_NO_MEM:
 __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "NRF_ERROR_NO_MEM
");
 // status_error_pub_send(handle, p_message, sig_model, ACCESS_STATUS_INSUFFICIENT_RESOURCES);
 return;

 case NRF_SUCCESS:
 break;

 default:
 __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "ACCESS_STATUS_UNSPECIFIED_ERROR
");
 // status_error_pub_send(handle, p_message, sig_model, ACCESS_STATUS_UNSPECIFIED_ERROR);
 return;
 }

 NRF_MESH_ASSERT(access_model_publish_address_set(m_clients[0].model_handle, publish_address_handle) == NRF_SUCCESS); 
 destination_address is unicast address you want to send on/off command. You can figure out which header file you must include by searching the function on all solution.

send data from client to specific server via unicast address

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