Example for using S120 as peripheral?

Question

Hello, 
 currently I am using the S110 Softdevice with the ble_template example as peripheral. This works fine. 
 For our final application, we need the central feature with up to 8 connected peripherals. Therfor I want to use the S120 softdevice. At the moment I use the ble_app_hrs_c_s120 example for learning how to use the S120 softdevice. But in this application, the device only acts a a central. Is there an example, how to configure the S120 softdevice as an peripheral? 
 Additional an example of how to do dynamic switching between central and peripheral would be helpful. 
 Thanks in advance! 
 Regards
BTprogrammer

FormerMember · Accepted Answer

In order to dynamically switch roles when using S120, you have to do the following, see S120 2.0.0 migration notes: 
 sd_softdevice_disable();
sd_softdevice_enable(params);
sd_ble_enable(new_role);
 
 Using the SDK, it will be something like this: 
 uint32_t err_code;
err_code = sd_softdevice_disable();
APP_ERROR_CHECK(err_code);

// Initialize the SoftDevice handler module.
SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL);

// Enable BLE stack.
ble_enable_params_t ble_enable_params;
memset(&ble_enable_params, 0, sizeof(ble_enable_params));

ble_enable_params.gatts_enable_params.service_changed = IS_SRVC_CHANGED_CHARACT_PRESENT;
ble_enable_params.gap_enable_params.role = BLE_GAP_ROLE_CENTRAL; // or BLE_GAP_ROLE_PERIPHERAL;

err_code = sd_ble_enable(&ble_enable_params);
APP_ERROR_CHECK(err_code);

Example for using S120 as peripheral?

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