main.c

// NOTE: Using a custom vendor ID  increases debug soft device RAM usage by 16 bytes 0x10 hexadecimal offset

#include <limits.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>

#include "app_error.h"
#include "app_timer.h"
#include "ble.h"
#include "ble_advdata.h"
#include "ble_advertising.h"
#include "ble_conn_params.h"
#include "ble_conn_state.h"
#include "ble_hci.h"
#include "ble_srv_common.h"
#include "bsp_btn_ble.h"
#include "fds.h"
#include "nordic_common.h"
#include "nrf.h"
#include "nrf_ble_gatt.h"
#include "nrf_ble_qwr.h"
#include "nrf_pwr_mgmt.h"
#include "nrf_sdh.h"
#include "nrf_sdh_ble.h"
#include "nrf_sdh_soc.h"
#include "peer_manager.h"
#include "peer_manager_handler.h"
#include "sensorsim.h"

#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"

#include "ble_bike.h"

#define DEVICE_NAME "BikeSimulator" /**< Name of device. Will be included in the advertising data. */
#define MANUFACTURER_NAME "Echelon" /**< Manufacturer. Will be passed to Device Information Service. */
#define APP_ADV_INTERVAL 160		/**< The advertising interval (in units of 0.625 ms. This value corresponds to 100 ms). */

#define APP_ADV_DURATION INT_MAX /**< The advertising duration (INT_MAX/100 seconds) in units of 10 milliseconds. */

#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */
#define APP_BLE_CONN_CFG_TAG 1  /**< A tag identifying the SoftDevice BLE configuration. */

#define MIN_CONN_INTERVAL MSEC_TO_UNITS(100, UNIT_1_25_MS) /**< Minimum acceptable connection interval (0.1 seconds). */
#define MAX_CONN_INTERVAL MSEC_TO_UNITS(200, UNIT_1_25_MS) /**< Maximum acceptable connection interval (0.2 second). */
#define SLAVE_LATENCY 0									   /**< Slave latency. */
#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS)   /**< Connection supervisory timeout (4 seconds). */

#define FIRST_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(5000) /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (5 seconds). */
#define NEXT_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(30000) /**< Time between each call to sd_ble_gap_conn_param_update after the first call (30 seconds). */
#define MAX_CONN_PARAMS_UPDATE_COUNT 3						 /**< Number of attempts before giving up the connection parameter negotiation. */

#define NOTIFICATION_INTERVAL APP_TIMER_TICKS(1000) /**< 1 second notification interval (1000ms)*/

#define SEC_PARAM_BOND 1							   /**< Perform bonding. */
#define SEC_PARAM_MITM 0							   /**< Man In The Middle protection not required. */
#define SEC_PARAM_LESC 0							   /**< LE Secure Connections not enabled. */
#define SEC_PARAM_KEYPRESS 0						   /**< Keypress notifications not enabled. */
#define SEC_PARAM_IO_CAPABILITIES BLE_GAP_IO_CAPS_NONE /**< No I/O capabilities. */
#define SEC_PARAM_OOB 0								   /**< Out Of Band data not available. */
#define SEC_PARAM_MIN_KEY_SIZE 7					   /**< Minimum encryption key size. */
#define SEC_PARAM_MAX_KEY_SIZE 16					   /**< Maximum encryption key size. */

#define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */

NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */
NRF_BLE_QWR_DEF(m_qwr);   /**< Context for the Queued Write module.*/

APP_TIMER_DEF(m_notification_timer_id); //notification timer

BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */

static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */

static uint8_t m_custom_value = 0; //Custom value

BLE_BIKE_DEF(m_bike); //Bike service instance

/* clang-format off */
// Device UUID                  "0bf669f0-45f2-11e7-9598-0800200c9a66"
// Service UUID                 "0bf669f1-45f2-11e7-9598-0800200c9a66"
// WriteCharacteristic UUID     "0bf669f2-45f2-11e7-9598-0800200c9a66"
// ReadCharacteristic UUID      "0bf669f3-45f2-11e7-9598-0800200c9a66"
// NotifyCharacteristic UUID    "0bf669f4-45f2-11e7-9598-0800200c9a66"
/* clang-format on */

static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifiers. */
	{
		// {BLE_UUID_DEVICE_INFORMATION_SERVICE, BLE_UUID_TYPE_BLE}
		// Set Bike Advertising Service UUID, and specify that it is vendor-specific
		{BIKE_UUID_ADV, BLE_UUID_TYPE_VENDOR_BEGIN}

		// NOTE doing so requires increasing NRF_SDH_BLE_VS_UUID_COUNT from 0 to 1
		// and increases soft device memory usage by 16 bytes: 0x10 in hex
		// which increases RAM START/ORIGIN address by 16 bytes
		// and decreases RAM SIZE/LENGTH by 16 bytes
};

static void advertising_start(bool erase_bonds);

/**@brief Callback function for asserts in the SoftDevice.
 *
 * @details This function will be called in case of an assert in the SoftDevice.
 *
 * @warning This handler is an example only and does not fit a final product
 * @warning On assert from the SoftDevice, the system can only recover on reset.
 *
 * @param[in] line_num   Line number of the failing ASSERT call.
 * @param[in] file_name  File name of the failing ASSERT call.
 */
void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name)
{
	app_error_handler(DEAD_BEEF, line_num, p_file_name);
}

/**@brief Function for handling Peer Manager events.
 *
 * @param[in] p_evt  Peer Manager event.
 */
static void pm_evt_handler(pm_evt_t const *p_evt)
{
	pm_handler_on_pm_evt(p_evt);
	pm_handler_flash_clean(p_evt);

	switch (p_evt->evt_id)
	{
	case PM_EVT_PEERS_DELETE_SUCCEEDED:
		advertising_start(false);
		break;

	default:
		break;
	}
}

/**@brief Function for handling the notification timer timeout.
 *
 * @details This function will be called each time the notification timer expires.
 *
 * @param[in] p_context  Pointer used for passing some arbitrary information (context) from the
 *                       app_start_timer() call to the timeout handler.
 */
static void notification_timeout_handler(void *p_context)
{
	ret_code_t err_code;
	// Have ble_bike handle notification timeout
	err_code = ble_bike_notification_timeout_handler(p_context);
	APP_ERROR_CHECK(err_code);
}

/**@brief Function for the Timer initialization.
 *
 * @details Initializes the timer module. This creates and starts application timers.
 */
static void timers_init(void)
{
	// Initialize timer module.
	ret_code_t err_code = app_timer_init();
	APP_ERROR_CHECK(err_code);

	// Create notification timer
	err_code = app_timer_create(&m_notification_timer_id, APP_TIMER_MODE_REPEATED, notification_timeout_handler);
	APP_ERROR_CHECK(err_code);
}

/**@brief Function for the GAP initialization.
 *
 * @details This function sets up all the necessary GAP (Generic Access Profile) parameters of the
 *          device including the device name, appearance, and the preferred connection parameters.
 */
static void gap_params_init(void)
{
	ret_code_t err_code;
	ble_gap_conn_params_t gap_conn_params;
	ble_gap_conn_sec_mode_t sec_mode;

	BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);

	// Set device name
	err_code = sd_ble_gap_device_name_set(&sec_mode,
										  (const uint8_t *)DEVICE_NAME,
										  strlen(DEVICE_NAME));
	APP_ERROR_CHECK(err_code);

	// Set apperance value to GENERIC_CYCLING (TODO: check if there is a more appropriate value)
	err_code = sd_ble_gap_appearance_set(BLE_APPEARANCE_GENERIC_CYCLING);
	APP_ERROR_CHECK(err_code);

	// Set GAP Peripheral Preferred Connection Parameters (PPCP)
	memset(&gap_conn_params, 0, sizeof(gap_conn_params));

	gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL;
	gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL;
	gap_conn_params.slave_latency = SLAVE_LATENCY;
	gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT;

	err_code = sd_ble_gap_ppcp_set(&gap_conn_params);
	APP_ERROR_CHECK(err_code);
}

/**@brief Function for initializing the GATT module.
 */
static void gatt_init(void)
{
	ret_code_t err_code = nrf_ble_gatt_init(&m_gatt, NULL);
	APP_ERROR_CHECK(err_code);
}

/**@brief Function for handling Queued Write Module errors.
 *
 * @details A pointer to this function will be passed to each service which may need to inform the
 *          application about an error.
 *
 * @param[in]   nrf_error   Error code containing information about what went wrong.
 */
static void nrf_qwr_error_handler(uint32_t nrf_error)
{
	APP_ERROR_HANDLER(nrf_error);
}

/**@brief Function for handling the Bike Service events.
 *
 * @details This function will be called for all Bike Service events which are passed to
 *          the application
 *
 * @param[in]   p_bike_service  Bike Service structure
 * @param[in]   p_evt          Event received from the Bike Service
 *
 */
static void on_bike_evt(ble_bike_t *p_bike,
						ble_bike_evt_t *p_evt)
{
	ret_code_t err_code;
	switch (p_evt->evt_type)
	{
	// Read / Notify Notification Enabled by CCCD
	case BLE_BIKE_EVT_READ_NOTIFICATION_ENABLED:
	case BLE_BIKE_EVT_NOTIFY_NOTIFICATION_ENABLED:

		break;

		// TODO - We're going to ignore notification disabling for now for simplicity
		/*
        case BLE_BIKE_EVT_READ_NOTIFICATION_DISABLED:
            // Disable notification timer
            err_code = app_timer_stop(m_notification_timer_id);
            APP_ERROR_CHECK(err_code);
            break;
        case BLE_BIKE_EVT_NOTIFY_NOTIFICATION_DISABLED:
            // Disable notification timer
            err_code = app_timer_stop(m_notification_timer_id);
            APP_ERROR_CHECK(err_code);
            break;
        
*/
	// TODO - Client Connected
	case BLE_BIKE_EVT_CONNECTED:
		break;
	// TODO - Client Disconnected
	case BLE_BIKE_EVT_DISCONNECTED:
		break;

	default:
		// This "should" never happen since it is a custom event type
		NRF_LOG_ERROR("Error: Unknown BLE_BIKE_EVT type\n");
		break;
	}
}

/**@brief Function for initializing services that will be used by the application.
 */
static void services_init(void)
{
	ret_code_t err_code;
	nrf_ble_qwr_init_t qwr_init = {0};

	// Initialize Queued Write Module.
	qwr_init.error_handler = nrf_qwr_error_handler;

	err_code = nrf_ble_qwr_init(&m_qwr, &qwr_init);
	APP_ERROR_CHECK(err_code);

	//BLE Bike Service init data
	ble_bike_init_t bike_init = {0};

	// Initialize Bike Service init structure to zero.
	memset(&bike_init, 0, sizeof(bike_init));

	// Set Characteristic Read / Write to open
	// which allows read / write without encryption
	BLE_GAP_CONN_SEC_MODE_SET_OPEN(&bike_init.cccd_security_mode.read_perm);
	BLE_GAP_CONN_SEC_MODE_SET_OPEN(&bike_init.cccd_security_mode.write_perm);

	// Set the bike event handler
	bike_init.evt_handler = on_bike_evt;

	// BLE Bike Service init
	err_code = ble_bike_init(&m_bike, &bike_init);
	APP_ERROR_CHECK(err_code);
}

/**@brief Function for handling the Connection Parameters Module.
 *
 * @details This function will be called for all events in the Connection Parameters Module which
 *          are passed to the application.
 *          @note All this function does right now is to disconnect. This could have been done 
 *                by simply setting the disconnect_on_fail config parameter, but instead we use 
 *                the event handler mechanism in case we care about other events later
 *
 * @param[in] p_evt  Event received from the Connection Parameters Module.
 */
static void on_conn_params_evt(ble_conn_params_evt_t *p_evt)
{
	ret_code_t err_code;

	if (p_evt->evt_type == BLE_CONN_PARAMS_EVT_FAILED)
	{
		err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_CONN_INTERVAL_UNACCEPTABLE);
		APP_ERROR_CHECK(err_code);
	}
}

/**@brief Function for handling a Connection Parameters error.
 *
 * @param[in] nrf_error  Error code containing information about what went wrong.
 */
static void conn_params_error_handler(uint32_t nrf_error)
{
	APP_ERROR_HANDLER(nrf_error);
}

/**@brief Function for initializing the Connection Parameters module.
 */
static void conn_params_init(void)
{
	ret_code_t err_code;
	ble_conn_params_init_t cp_init;

	memset(&cp_init, 0, sizeof(cp_init));

	cp_init.p_conn_params = NULL;
	cp_init.first_conn_params_update_delay = FIRST_CONN_PARAMS_UPDATE_DELAY;
	cp_init.next_conn_params_update_delay = NEXT_CONN_PARAMS_UPDATE_DELAY;
	cp_init.max_conn_params_update_count = MAX_CONN_PARAMS_UPDATE_COUNT;
	cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID;
	cp_init.disconnect_on_fail = false;
	cp_init.evt_handler = on_conn_params_evt;
	cp_init.error_handler = conn_params_error_handler;

	err_code = ble_conn_params_init(&cp_init);
	APP_ERROR_CHECK(err_code);
}

/**@brief Function for starting timers.
 */
static void application_timers_start(void)
{
	// NOTE: Normally we would start application timers here
	// but because they are enabled by CCCD we do that in
	// the on_bike_evt function
	ret_code_t err_code;
	//Enable notification timer, if already started, will ignore
	err_code = app_timer_start(m_notification_timer_id, NOTIFICATION_INTERVAL, &m_bike);
	APP_ERROR_CHECK(err_code);
}

/**@brief Function for putting the chip into sleep mode.
 *
 * @note This function will not return.
 */
static void sleep_mode_enter(void)
{
	ret_code_t err_code;

	err_code = bsp_indication_set(BSP_INDICATE_IDLE);
	APP_ERROR_CHECK(err_code);

	// Prepare wakeup buttons.
	err_code = bsp_btn_ble_sleep_mode_prepare();
	APP_ERROR_CHECK(err_code);

	// Go to system-off mode (this function will not return; wakeup will cause a reset).
	err_code = sd_power_system_off();
	APP_ERROR_CHECK(err_code);
}

/**@brief Function for handling advertising events.
 *
 * @details This function will be called for advertising events which are passed to the application.
 *
 * @param[in] ble_adv_evt  Advertising event.
 */
static void on_adv_evt(ble_adv_evt_t ble_adv_evt)
{
	ret_code_t err_code;

	switch (ble_adv_evt)
	{
	case BLE_ADV_EVT_FAST:
		NRF_LOG_INFO("Fast advertising.");
		err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING);
		APP_ERROR_CHECK(err_code);
		break;

	case BLE_ADV_EVT_IDLE:
		sleep_mode_enter();
		break;

	default:
		break;
	}
}

/**@brief Function for handling BLE events.
 *
 * @param[in]   p_ble_evt   Bluetooth stack event.
 * @param[in]   p_context   Unused.
 */
static void ble_evt_handler(ble_evt_t const *p_ble_evt, void *p_context)
{
	UNUSED_PARAMETER(p_context);

	ret_code_t err_code = NRF_SUCCESS;

	switch (p_ble_evt->header.evt_id)
	{
	case BLE_GAP_EVT_DISCONNECTED:
		NRF_LOG_INFO("Disconnected.");
		// LED indication will be changed when advertising starts.
		break;

	case BLE_GAP_EVT_CONNECTED:
		NRF_LOG_INFO("Connected.");
		err_code = bsp_indication_set(BSP_INDICATE_CONNECTED);
		APP_ERROR_CHECK(err_code);
		m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
		err_code = nrf_ble_qwr_conn_handle_assign(&m_qwr, m_conn_handle);
		APP_ERROR_CHECK(err_code);
		break;

	case BLE_GAP_EVT_PHY_UPDATE_REQUEST:
	{
		NRF_LOG_DEBUG("PHY update request.");
		ble_gap_phys_t const phys =
			{
				.rx_phys = BLE_GAP_PHY_AUTO,
				.tx_phys = BLE_GAP_PHY_AUTO,
			};
		err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys);
		APP_ERROR_CHECK(err_code);
	}
	break;

	case BLE_GATTC_EVT_TIMEOUT:
		// Disconnect on GATT Client timeout event.
		NRF_LOG_DEBUG("GATT Client Timeout.");
		err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle,
										 BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
		APP_ERROR_CHECK(err_code);
		break;

	case BLE_GATTS_EVT_TIMEOUT:
		// Disconnect on GATT Server timeout event.
		NRF_LOG_DEBUG("GATT Server Timeout.");
		err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle,
										 BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
		APP_ERROR_CHECK(err_code);
		break;

	default:
		// No implementation needed.
		break;
	}
}

/**@brief Function for initializing the BLE stack.
 *
 * @details Initializes the SoftDevice and the BLE event interrupt.
 */
static void ble_stack_init(void)
{
	ret_code_t err_code;

	err_code = nrf_sdh_enable_request();
	APP_ERROR_CHECK(err_code);

	// Configure the BLE stack using the default settings.
	// Fetch the start address of the application RAM.
	uint32_t ram_start = 0;
	err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start);
	APP_ERROR_CHECK(err_code);

	// Enable BLE stack.
	err_code = nrf_sdh_ble_enable(&ram_start);
	APP_ERROR_CHECK(err_code);

	// Register a handler for BLE events.
	NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL);
}

/**@brief Function for the Peer Manager initialization.
 */
static void peer_manager_init(void)
{
	ble_gap_sec_params_t sec_param;
	ret_code_t err_code;

	err_code = pm_init();
	APP_ERROR_CHECK(err_code);

	memset(&sec_param, 0, sizeof(ble_gap_sec_params_t));

	// Security parameters to be used for all security procedures.
	sec_param.bond = SEC_PARAM_BOND;
	sec_param.mitm = SEC_PARAM_MITM;
	sec_param.lesc = SEC_PARAM_LESC;
	sec_param.keypress = SEC_PARAM_KEYPRESS;
	sec_param.io_caps = SEC_PARAM_IO_CAPABILITIES;
	sec_param.oob = SEC_PARAM_OOB;
	sec_param.min_key_size = SEC_PARAM_MIN_KEY_SIZE;
	sec_param.max_key_size = SEC_PARAM_MAX_KEY_SIZE;
	sec_param.kdist_own.enc = 1;
	sec_param.kdist_own.id = 1;
	sec_param.kdist_peer.enc = 1;
	sec_param.kdist_peer.id = 1;

	err_code = pm_sec_params_set(&sec_param);
	APP_ERROR_CHECK(err_code);

	err_code = pm_register(pm_evt_handler);
	APP_ERROR_CHECK(err_code);
}

/**@brief Clear bond information from persistent storage.
 */
static void delete_bonds(void)
{
	ret_code_t err_code;

	NRF_LOG_INFO("Erase bonds!");

	err_code = pm_peers_delete();
	APP_ERROR_CHECK(err_code);
}

/**@brief Function for handling events from the BSP module.
 *
 * @param[in]   event   Event generated when button is pressed.
 */
static void bsp_event_handler(bsp_event_t event)
{
	ret_code_t err_code;

	switch (event)
	{
	case BSP_EVENT_SLEEP:
		sleep_mode_enter();
		break; // BSP_EVENT_SLEEP

	case BSP_EVENT_DISCONNECT:
		err_code = sd_ble_gap_disconnect(m_conn_handle,
										 BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
		if (err_code != NRF_ERROR_INVALID_STATE)
		{
			APP_ERROR_CHECK(err_code);
		}
		break; // BSP_EVENT_DISCONNECT

	case BSP_EVENT_WHITELIST_OFF:
		if (m_conn_handle == BLE_CONN_HANDLE_INVALID)
		{
			err_code = ble_advertising_restart_without_whitelist(&m_advertising);
			if (err_code != NRF_ERROR_INVALID_STATE)
			{
				APP_ERROR_CHECK(err_code);
			}
		}
		break; // BSP_EVENT_KEY_0

	default:
		break;
	}
}

/**@brief Function for initializing the Advertising functionality.
 */
static void advertising_init(void)
{
	ret_code_t err_code;
	ble_advertising_init_t init;

	memset(&init, 0, sizeof(init));

	init.advdata.name_type = BLE_ADVDATA_FULL_NAME;
	init.advdata.include_appearance = true;
	init.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;
	init.advdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]);
	init.advdata.uuids_complete.p_uuids = m_adv_uuids;

	init.config.ble_adv_fast_enabled = true;
	init.config.ble_adv_fast_interval = APP_ADV_INTERVAL;
	init.config.ble_adv_fast_timeout = APP_ADV_DURATION;

	init.evt_handler = on_adv_evt;

	err_code = ble_advertising_init(&m_advertising, &init);
	APP_ERROR_CHECK(err_code);

	ble_advertising_conn_cfg_tag_set(&m_advertising, APP_BLE_CONN_CFG_TAG);
}

/**@brief Function for initializing buttons and leds.
 *
 * @param[out] p_erase_bonds  Will be true if the clear bonding button was pressed to wake the application up.
 */
static void buttons_leds_init(bool *p_erase_bonds)
{
	ret_code_t err_code;
	bsp_event_t startup_event;

	err_code = bsp_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS, bsp_event_handler);
	APP_ERROR_CHECK(err_code);

	err_code = bsp_btn_ble_init(NULL, &startup_event);
	APP_ERROR_CHECK(err_code);

	*p_erase_bonds = (startup_event == BSP_EVENT_CLEAR_BONDING_DATA);
}

/**@brief Function for initializing the nrf log module.
 */
static void log_init(void)
{
	ret_code_t err_code = NRF_LOG_INIT(NULL);
	APP_ERROR_CHECK(err_code);

	NRF_LOG_DEFAULT_BACKENDS_INIT();
}

/**@brief Function for initializing power management.
 */
static void power_management_init(void)
{
	ret_code_t err_code;
	err_code = nrf_pwr_mgmt_init();
	APP_ERROR_CHECK(err_code);
}

/**@brief Function for handling the idle state (main loop).
 *
 * @details If there is no pending log operation, then sleep until next the next event occurs.
 */
static void idle_state_handle(void)
{
	if (NRF_LOG_PROCESS() == false)
	{
		nrf_pwr_mgmt_run();
	}
}

/**@brief Function for starting advertising.
 */
static void advertising_start(bool erase_bonds)
{
	if (erase_bonds == true)
	{
		delete_bonds();
		// Advertising is started by PM_EVT_PEERS_DELETED_SUCEEDED event
	}
	else
	{
		ret_code_t err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST);

		APP_ERROR_CHECK(err_code);
	}
}

/**@brief Function for application main entry.
 */
int main(void)
{
	bool erase_bonds;

	// Initialize.
	log_init();
	timers_init();
	buttons_leds_init(&erase_bonds);
	power_management_init();
	ble_stack_init();
	gap_params_init();
	gatt_init();
	services_init();
	advertising_init();
	conn_params_init();
	peer_manager_init();

	// Start execution.
	NRF_LOG_INFO("BLE Mock Bike Started");
	application_timers_start();

	advertising_start(erase_bonds);

	// Enter main loop.
	for (;;)
	{
		idle_state_handle();
	}
}