MULTILINK CENTRAL WITH NUS SERVICE

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Thu, 22 Oct 2020 15:35:35 GMT

Hi jared, i hav solved the issue..it is with conn_handle..thankz for ur help

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Wed, 21 Oct 2020 08:14:26 GMT

can u plz rply fast

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Tue, 20 Oct 2020 07:53:37 GMT

hi jared, after first device connected it goes to ble_nus_c_evt handler and enters into BLE_NUS_C_EVT_DISCOVERY_COMPLETE and enable nus service but when the the 2nd peripheral is on it is only connected and not enters into BLE_NUS_C_EVT_DISCOVERY_COMPLETE and nus service is not enabled..how to solve the issue.thats y i am not able to read and wriite into 2nd peripheral.how to solve the issue

RE: MULTILINK CENTRAL WITH NUS SERVICE

Jared — Tue, 20 Oct 2020 06:35:51 GMT

Could you use a debugger and check what the central is doing after it has received the first value?

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Tue, 20 Oct 2020 06:16:53 GMT

hi jared, am using fanstel BW832 as central device..as it receives value from the peripheral it is passed through uart to the esp module connected to it.

RE: MULTILINK CENTRAL WITH NUS SERVICE

Jared — Mon, 19 Oct 2020 11:36:52 GMT

What is the application on the central doing after it has received the first value? Try using the debugger and debug your application.

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Mon, 19 Oct 2020 10:33:55 GMT

Hi jared..my central is connecting to multiple peripheral but the value is received from only the first connecting peripheral..what to do

RE: MULTILINK CENTRAL WITH NUS SERVICE

Jared — Tue, 06 Oct 2020 09:55:54 GMT

What exactly do you need the peer address for? Is there a specific function call where this is necessary to pass as a parameter? The peer manager is used bonding, pairing etc and is not necessary to use for storing the peer address. As I wrote in my previous reply:

[quote user="Jared"]The Peer address can be stored after a BLE_GAP_EVT_CONNECTED has been generated. You can find the peer address in the ble_evt_t event structure. Note that most SoftDevice functions do not use the peer address to refer to the peer but rather the connection handle. The connection handle is assigned to the link of the peer during a connection event. [/quote]

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Mon, 05 Oct 2020 10:04:10 GMT

So we have to add peer manager init()??

RE: MULTILINK CENTRAL WITH NUS SERVICE

Jared — Mon, 05 Oct 2020 09:52:14 GMT

Hi,

The Peer address can be stored after a BLE_GAP_EVT_CONNECTED has been generated. You can find the peer address in the ble_evt_t event structure. Note that most SoftDevice functions do not use the peer address to refer to the peer but rather the connection handle. The connection handle is assigned to the link of the peer during a connection event.

regards

Jared

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Thu, 01 Oct 2020 08:55:20 GMT

Actually not connection handle..i need the peripheral bluetooth id or device id something like that..so that i need to transfer the value received from peripheral to central and from central to server..

RE: MULTILINK CENTRAL WITH NUS SERVICE

Jared — Thu, 01 Oct 2020 07:22:02 GMT

You can find the connection handle in the ble_nus_c_evt_t event structure after a BLE_NUS_C_EVT_NUS_TX_EVT event is generated.

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Wed, 30 Sep 2020 10:05:49 GMT

Hi jored, i hav solved the issue myself..my current problem is,is there amy way to identify from which peripheral the data is received when we hav multiple connections..thanz for ur help

RE: MULTILINK CENTRAL WITH NUS SERVICE

Jared — Tue, 29 Sep 2020 12:22:11 GMT

First you would need to know which connection handle to use. When you merge multilink central with ble_app_nus_c example then you would have to define a NUS instance for each link. You should therefore use BLE_NUS_C_ARRAY_DEF instead of BLE_NUS_C_DEF. Each NUS instance is assigned to a specific link/connection handle. This should be done in a CONNECTION event. You would then have to pass that specific NUS instance to ble_nus_c_string_send() when you want to send to a specific peripheral.

Merging ble_app_uart_c and multilink has already been done by one of our engineers. You can find the project here. Note that the project is apart of the playground repository, which means that it's not supported.

best regards

Jared

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Tue, 29 Sep 2020 03:18:55 GMT

So how i send using correct handle when there are multiple peripherals..can u give me a snippet or sample code for that

RE: MULTILINK CENTRAL WITH NUS SERVICE

Jared — Mon, 28 Sep 2020 08:54:47 GMT

Yes but are you providing it with the correct one? When you have multiple links you'll also have multiple handles for each link. Meaning that you have to provide the ble_nus_data_send() with the correct one. The handle is assigned to the central/peripheral after a CONNECTED event.

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Fri, 25 Sep 2020 14:31:55 GMT

I checked conn_handle in peripheral side..connection handle is alredy placed in m_conn_handle and it is passed in ble_nus_data_send

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Fri, 25 Sep 2020 14:26:44 GMT

I doesnt do anything in connection handle..how to provide connection handle for each peripheral to central

RE: MULTILINK CENTRAL WITH NUS SERVICE

Jared — Fri, 25 Sep 2020 12:17:56 GMT

Are you sure that you're providing it with the correct connection handle? What does the function return? And can you share your sdk_config.h file?

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Fri, 25 Sep 2020 10:30:06 GMT

Yes i use ble_nus_data_send..data is receivibg in ble_central example..but data is not receiving in multilink central example

RE: MULTILINK CENTRAL WITH NUS SERVICE

Jared — Thu, 24 Sep 2020 11:44:03 GMT

Ok, what function call are you using on the peripheral side to send the data, ble_nus_data_send? What does it return?

RE: MULTILINK CENTRAL WITH NUS SERVICE

Thomasthomas — Thu, 24 Sep 2020 07:33:47 GMT

Hi..now am trying ble_central and peripheral connection..ble_central sending data over ble_nus_c_string_send and it is receivd at peripheral and after that am sending a packet from peripheral to central and it is not receiving(BLE_NUS_C_EVT_NUS_TX_EVT,not receiving anything in central side)

RE: MULTILINK CENTRAL WITH NUS SERVICE

Jared — Mon, 21 Sep 2020 13:46:00 GMT

Hi,

What error are you getting?

Jared