nrf52840 ble central application and ios peripheral applicaiton

[sami_ozen]

Dear Nordic,

I am trying to do the following;

• nrf52840dk will be ble central
• ios will be peripheral
• ios will begin to advertise then nrf52840 will connect
• after connection is established ;
  • nrf52840dk will send "AAAAA"
  • ios will receive "AAAAA" and will respond with "BBBBB"
  • and nrf52840dk will receive "BBBBB"

Can you please advice an example that i can use as a baseline for both central and peripheral ?

Kind Regards
Sami

[awneil]

Do iOS devices support being a Peripheral?

For iOS examples, you would have to look to iOS developer sites

The Nordic SDK contains a number of Central examples.

[sami_ozen]

Yes, ios does support being a Peripheral, İ already have an ios app , and with ble_cental_blink_c  i can write to it but icant read back any response.

[Hung Bui]

It's depend on how you write your code on the phone app to handle the "receive AAAA and respond BBBB" . Do you have that part in the code ? 
How do you send the response ? Via notification or indication ? Have you enable notification by the ble_cental_blink_c   ? 
If you can capture a sniffer trace we can see more of what happens over the air. 

[sami_ozen]

I will upload my ios code shortly, and get back to you ASAP

How can i enable the notificaiton for ble_central_blink_c ?

I will also get a sniffer 

Thank you 

Sami

[Hung Bui]

You enable notification by writing 1 to the CCCD characteristic. I would suggest to have a look at the ble_app_uart_c to see how it's done. 

[sami_ozen]

static uint32_t cccd_configure(uint16_t conn_handle, uint16_t handle_cccd, bool enable)
{
NRF_LOG_DEBUG("Configuring CCCD. CCCD Handle = %d, Connection Handle = %d",
handle_cccd,conn_handle);

tx_message_t * p_msg;
uint16_t cccd_val = enable ? BLE_GATT_HVX_NOTIFICATION : 0;

• enable is true so it is set as notification.
• i found that i cant sniff it because as i read from devzone blesniffer does not work with pca10056 
• i will upload ios app shortly

[Hung Bui]

Please use sniffer 2 beta 3, PCA10056 is supported in this version. 

[sami_ozen]

our problem was about not to set indication peoperty on ios app.

thank you

[awneil]

Thanks for feeding back.

Now please verify the answer: