How to implement the static PIN type pairing?

Question

Hi,
I am using SDK6.1 and SD7.0 for our application. I would like to know how to implement the static PIN type pairing?
I have searched Nordic's developers zone and found some information.
 devzone.nordicsemi.com/.../ 
 I have implemented following changes for static pin , and found that it's not working. 
 uint8_t passkey[] = "123456";
ble_opt_t ble_opt;
ble_opt.gap.passkey.p_passkey = &passkey[0];
(void) sd_ble_opt_set(BLE_GAP_OPT_PASSKEY, &ble_opt);
 
 I will be very much thankful if someone helps me in this regard.
Thanking you very much!!!
Regards,
Raju

Pål Håland · Accepted Answer

This also depends on what you set as the capabilities of the device. 
 While pairing you would have to set the sec_params to: 
 sd_ble_gap_sec_params_t sec_params;
memset(&sec_params, 0, sizeof(sec_params));
sec_params.timeout = 30;
sec_params.bond = 1;
sec_params.mitm = 1;
sec_params.io_caps = BLE_GAP_IO_CAPS_DISPLAY_ONLY;
sec_params.min_key_size = 7;
sec_params.max_key_size = 16;
 
 and use this sec_params in the sd_ble_gap_sec_params_reply

How to implement the static PIN type pairing?

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