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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_eddystone/main.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/ble_peripheral/ble_app_eddystone/main.c
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+/**
+ * Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ * 
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ * 
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ * 
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+/** @file
+ *
+ * @defgroup nrf5_sdk_for_eddystone main.c
+ * @{
+ * @ingroup nrf5_sdk_for_eddystone
+ * @brief Eddystone Beacon GATT Configuration Service + EID/eTLM sample application main file.
+ *
+ * This file contains the source code for an Eddystone
+ * Beacon GATT Configuration Service + EID/eTLM sample application.
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+#include "bsp.h"
+#include "ble_conn_params.h"
+#include "ble_advertising.h"
+#include "nrf_sdh.h"
+#include "nrf_sdh_ble.h"
+#include "app_timer.h"
+#include "es_app_config.h"
+#include "app_scheduler.h"
+#include "nrf_ble_es.h"
+#include "nrf_ble_gatt.h"
+#include "nrf_pwr_mgmt.h"
+
+
+#define DEAD_BEEF                       0xDEADBEEF          //!< Value used as error code on stack dump, can be used to identify stack location on stack unwind.
+#define NON_CONNECTABLE_ADV_LED_PIN     BSP_BOARD_LED_0     //!< Toggles when non-connectable advertisement is sent.
+#define CONNECTED_LED_PIN               BSP_BOARD_LED_1     //!< Is on when device has connected.
+#define CONNECTABLE_ADV_LED_PIN         BSP_BOARD_LED_2     //!< Is on when device is advertising connectable advertisements.
+
+/**@brief   Priority of the application BLE event handler.
+ * @note    You shouldn't need to modify this value.
+ */
+#define APP_BLE_OBSERVER_PRIO 3
+
+
+NRF_BLE_GATT_DEF(m_gatt); //!< GATT module instance.
+
+/**@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. You need to analyze
+ *          how your product is supposed to react in case of Assert.
+ * @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 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)
+{
+    ret_code_t err_code;
+
+    switch (p_ble_evt->header.evt_id)
+    {
+        case BLE_GAP_EVT_SEC_PARAMS_REQUEST:
+            // Pairing not supported
+            err_code = sd_ble_gap_sec_params_reply(p_ble_evt->evt.common_evt.conn_handle,
+                                                   BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP,
+                                                   NULL,
+                                                   NULL);
+            APP_ERROR_CHECK(err_code);
+            break;
+
+        case BLE_GATTS_EVT_SYS_ATTR_MISSING:
+            // No system attributes have been stored.
+            err_code = sd_ble_gatts_sys_attr_set(p_ble_evt->evt.common_evt.conn_handle, NULL, 0, 0);
+            APP_ERROR_CHECK(err_code);
+            break;
+
+        case BLE_GAP_EVT_CONNECTED:
+            bsp_board_led_on(CONNECTED_LED_PIN);
+            bsp_board_led_off(CONNECTABLE_ADV_LED_PIN);
+            break;
+
+        case BLE_GAP_EVT_DISCONNECTED:
+            // LED indication will be changed when advertising starts.
+            break;
+
+        case BLE_GAP_EVT_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;
+
+        default:
+            // No implementation needed.
+            break;
+    }
+}
+
+
+/**@brief Function for the GAP initialization.
+*
+* @details This function will set up all the necessary GAP (Generic Access Profile) parameters of
+*          the device. It also sets the permissions and appearance.
+*/
+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;
+   uint8_t                 device_name[] = APP_DEVICE_NAME;
+
+   BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);
+
+   err_code = sd_ble_gap_device_name_set(&sec_mode,
+                                         device_name,
+                                         strlen((const char *)device_name));
+   APP_ERROR_CHECK(err_code);
+
+   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 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);
+
+    uint32_t ram_start = 0;
+    err_code = nrf_sdh_ble_app_ram_start_get(&ram_start);
+    APP_ERROR_CHECK(err_code);
+
+    // Overwrite some of the default configurations for the BLE stack.
+    ble_cfg_t ble_cfg;
+
+    // Configure the maximum number of connections.
+    memset(&ble_cfg, 0, sizeof(ble_cfg));
+    ble_cfg.gap_cfg.role_count_cfg.periph_role_count  = 1;
+#if !defined (S112)
+    ble_cfg.gap_cfg.role_count_cfg.central_role_count = 0;
+    ble_cfg.gap_cfg.role_count_cfg.central_sec_count  = 0;
+#endif // !defined (S112)
+    err_code = sd_ble_cfg_set(BLE_GAP_CFG_ROLE_COUNT, &ble_cfg, 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 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;
+
+    err_code = ble_conn_params_init(&cp_init);
+    APP_ERROR_CHECK(err_code);
+
+}
+
+
+/**@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)
+{
+    app_sched_execute();
+    nrf_pwr_mgmt_run();
+}
+
+
+/**@brief Function for handling Eddystone events.
+ *
+ * @param[in] evt Eddystone event to handle.
+ */
+static void on_es_evt(nrf_ble_es_evt_t evt)
+{
+    switch (evt)
+    {
+        case NRF_BLE_ES_EVT_ADVERTISEMENT_SENT:
+            bsp_board_led_invert(NON_CONNECTABLE_ADV_LED_PIN);
+            break;
+
+        case NRF_BLE_ES_EVT_CONNECTABLE_ADV_STARTED:
+            bsp_board_led_on(CONNECTABLE_ADV_LED_PIN);
+            break;
+
+        case NRF_BLE_ES_EVT_CONNECTABLE_ADV_STOPPED:
+            bsp_board_led_off(CONNECTABLE_ADV_LED_PIN);
+            break;
+
+        default:
+            break;
+    }
+}
+
+
+/**@brief Function for handling button events from app_button IRQ
+ *
+ * @param[in] pin_no        Pin of the button for which an event has occured
+ * @param[in] button_action Press or Release
+ */
+static void button_evt_handler(uint8_t pin_no, uint8_t button_action)
+{
+    if (button_action == APP_BUTTON_PUSH && pin_no == BUTTON_1)
+    {
+        nrf_ble_es_on_start_connectable_advertising();
+    }
+}
+
+
+/**
+ * @brief Function for initializing the registation button
+ *
+ * @retval Values returned by @ref app_button_init
+ * @retval Values returned by @ref app_button_enable
+ */
+static void button_init(void)
+{
+    ret_code_t              err_code;
+    const uint8_t           buttons_cnt  = 1;
+    static app_button_cfg_t buttons_cfgs =
+    {
+        .pin_no         = BUTTON_REGISTRATION,
+        .active_state   = APP_BUTTON_ACTIVE_LOW,
+        .pull_cfg       = NRF_GPIO_PIN_PULLUP,
+        .button_handler = button_evt_handler
+    };
+
+    err_code = app_button_init(&buttons_cfgs, buttons_cnt, APP_TIMER_TICKS(100));
+    APP_ERROR_CHECK(err_code);
+
+    err_code = app_button_enable();
+    APP_ERROR_CHECK(err_code);
+}
+
+
+static void timers_init(void)
+{
+    ret_code_t err_code = app_timer_init();
+    APP_ERROR_CHECK(err_code);
+}
+
+
+static void leds_init(void)
+{
+    ret_code_t err_code = bsp_init(BSP_INIT_LEDS, NULL);
+    APP_ERROR_CHECK(err_code);
+}
+
+
+static void scheduler_init(void)
+{
+    APP_SCHED_INIT(SCHED_MAX_EVENT_DATA_SIZE, SCHED_QUEUE_SIZE);
+}
+
+
+/**
+ * @brief Function for application main entry.
+ */
+int main(void)
+{
+    // Initialize.
+    timers_init();
+    leds_init();
+    button_init();
+    scheduler_init();
+    power_management_init();
+    ble_stack_init();
+    gap_params_init();
+    gatt_init();
+    conn_params_init();
+    nrf_ble_es_init(on_es_evt);
+
+    // Enter main loop.
+    for (;;)
+    {
+        idle_state_handle();
+    }
+}
+
+
+/**
+ * @}
+ */