link<\/a> getting a compiling code with no errors. I think I did all the steps properly but I cannot get a working code. <\/p>\n\n\n\nFor getting Multilink NUS I used all of these functions:<\/p>\n\n\n\n
\/**\n * Copyright (c) 2014 - 2018, Nordic Semiconductor ASA\n *\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n *\n * 1. Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n *\n * 2. Redistributions in binary form, except as embedded into a Nordic\n * Semiconductor ASA integrated circuit in a product or a software update for\n * such product, must reproduce the above copyright notice, this list of\n * conditions and the following disclaimer in the documentation and\/or other\n * materials provided with the distribution.\n *\n * 3. Neither the name of Nordic Semiconductor ASA nor the names of its\n * contributors may be used to endorse or promote products derived from this\n * software without specific prior written permission.\n *\n * 4. This software, with or without modification, must only be used with a\n * Nordic Semiconductor ASA integrated circuit.\n *\n * 5. Any software provided in binary form under this license must not be reverse\n * engineered, decompiled, modified and\/or disassembled.\n *\n * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA \"AS IS\" AND ANY EXPRESS\n * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES\n * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE\n * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE\n * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE\n * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\n * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\n * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT\n * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n *\n *\/\n\/**\n * @brief BLE LED Button Service central and client application main file.\n *\n * This example can be a central for up to 8 peripherals.\n * The peripheral is called ble_app_blinky and can be found in the ble_peripheral\n * folder.\n *\/\n\n#include <stdint.h>\n#include <stdio.h>\n#include <string.h>\n#include \"nordic_common.h\"\n#include \"app_uart.h\"\n#include \"nrf_sdh.h\"\n#include \"nrf_sdh_ble.h\"\n#include \"app_timer.h\"\n#include \"bsp_btn_ble.h\"\n#include \"ble.h\"\n#include \"ble_hci.h\"\n#include \"ble_advdata.h\"\n#include \"ble_advertising.h\"\n#include \"ble_conn_params.h\"\n#include \"ble_db_discovery.h\"\n#include \"ble_nus_c.h\"\n#include \"ble_conn_state.h\"\n#include \"nrf_ble_gatt.h\"\n#include \"nrf_pwr_mgmt.h\"\n#include \"nrf_ble_scan.h\"\n#include \"app_uart.h\"\n#include \"app_timer.h\"\n\n#include \"nrf_log.h\"\n#include \"nrf_log_ctrl.h\"\n#include \"nrf_log_default_backends.h\"\n\n\n#define APP_BLE_CONN_CFG_TAG 1 \/**< Tag that refers to the BLE stack configuration that is set with @ref sd_ble_cfg_set. The default tag is @ref APP_BLE_CONN_CFG_TAG. *\/\n#define APP_BLE_OBSERVER_PRIO 3 \/**< BLE observer priority of the application. There is no need to modify this value. *\/\n\n#define CENTRAL_SCANNING_LED BSP_BOARD_LED_0\n#define CENTRAL_CONNECTED_LED BSP_BOARD_LED_1\n#define LEDBUTTON_LED BSP_BOARD_LED_2 \/**< LED to indicate a change of state of the Button characteristic on the peer. *\/\n\nNRF_BLE_GATT_DEF(m_gatt); \/**< GATT module instance. *\/\nBLE_NUS_C_ARRAY_DEF(m_ble_nus_c, NRF_SDH_BLE_CENTRAL_LINK_COUNT); \/**< LED button client instances. *\/\nBLE_DB_DISCOVERY_DEF(m_db_disc); \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\/**< Database discovery module instances. *\/\nNRF_BLE_SCAN_DEF(m_scan); \/**< Scanning Module instance. *\/\n\nstatic char const m_target_periph_name[] = \"Nordic_UART\"; \/**< Name of the device to try to connect to. This name is searched for in the scanning report data. *\/\nstatic uint16_t m_ble_nus_max_data_len = BLE_GATT_ATT_MTU_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH; \/**< Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. *\/\n#define UART_TX_BUF_SIZE 256 \/**< UART TX buffer size. *\/\n#define UART_RX_BUF_SIZE 256 \/**< UART RX buffer size. *\/\n\n#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN \/**< UUID type for the Nordic UART Service (vendor specific). *\/\n#define ECHOBACK_BLE_UART_DATA 1 \/**< Echo the UART data that is received over the Nordic UART Service (NUS) back to the sender. *\/\n\n\n\n\n\/**@brief Function for handling asserts in the SoftDevice.\n *\n * @details This function is called in case of an assert in the SoftDevice.\n *\n * @warning This handler is only an example and is not meant for the final product. You need to analyze\n * how your product is supposed to react in case of an assert.\n * @warning On assert from the SoftDevice, the system can only recover on reset.\n *\n * @param[in] line_num Line number of the failing assert call.\n * @param[in] p_file_name File name of the failing assert call.\n *\/\nvoid assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name)\n{\n app_error_handler(0xDEADBEEF, line_num, p_file_name);\n}\n\n\n\/**@brief Function for initializing the LEDs.\n *\n * @details Initializes all LEDs used by the application.\n *\/\nstatic void leds_init(void)\n{\n bsp_board_init(BSP_INIT_LEDS);\n}\n\n\/**@brief Function for starting scanning. *\/\nstatic void scan_start(void)\n{\n ret_code_t ret;\n\n NRF_LOG_INFO(\"Start scanning for device name %s.\", (uint32_t)m_target_periph_name);\n ret = nrf_ble_scan_start(&m_scan);\n APP_ERROR_CHECK(ret);\n \/\/ Turn on the LED to signal scanning.\n bsp_board_led_on(CENTRAL_SCANNING_LED);\n}\n\n\/**@brief Function for handling Scanning Module events.\n *\/\nstatic void scan_evt_handler(scan_evt_t const * p_scan_evt)\n{\n ret_code_t err_code;\n\n switch(p_scan_evt->scan_evt_id)\n {\n case NRF_BLE_SCAN_EVT_CONNECTING_ERROR:\n {\n err_code = p_scan_evt->params.connecting_err.err_code;\n APP_ERROR_CHECK(err_code);\n } break;\n\n case NRF_BLE_SCAN_EVT_CONNECTED:\n {\n \n\t\t\t\t\t\t ble_gap_evt_connected_t const * p_connected =\n p_scan_evt->params.connected.p_connected;\n \/\/ Scan is automatically stopped by the connection.\n NRF_LOG_INFO(\"Connecting to target %02x%02x%02x%02x%02x%02x\",\n p_connected->peer_addr.addr[0],\n p_connected->peer_addr.addr[1],\n p_connected->peer_addr.addr[2],\n p_connected->peer_addr.addr[3],\n p_connected->peer_addr.addr[4],\n p_connected->peer_addr.addr[5]\n );\n } break;\n\n case NRF_BLE_SCAN_EVT_SCAN_TIMEOUT:\n {\n NRF_LOG_INFO(\"Scan timed out.\");\n scan_start();\n } break;\n\n default:\n break;\n }\n}\n\n\/**@brief Function for initializing the scanning and setting the filters.\n *\/\nstatic void scan_init(void)\n{\n ret_code_t err_code;\n nrf_ble_scan_init_t init_scan;\n\n memset(&init_scan, 0, sizeof(init_scan));\n\n init_scan.connect_if_match = true;\n init_scan.conn_cfg_tag = APP_BLE_CONN_CFG_TAG;\n\n err_code = nrf_ble_scan_init(&m_scan, &init_scan, scan_evt_handler);\n APP_ERROR_CHECK(err_code);\n\n err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name);\n APP_ERROR_CHECK(err_code);\n\n err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_NAME_FILTER, false);\n APP_ERROR_CHECK(err_code);\n}\n\n\/**@brief Function for handling characters received by the Nordic UART Service (NUS).\n *\n * @details This function takes a list of characters of length data_len and prints the characters out on UART.\n * If @ref ECHOBACK_BLE_UART_DATA is set, the data is sent back to sender.\n *\/\nstatic void ble_nus_chars_received_uart_print(uint8_t * p_data, uint16_t data_len)\n{\n ret_code_t ret_val;\n\n NRF_LOG_DEBUG(\"Receiving data.\");\n NRF_LOG_HEXDUMP_DEBUG(p_data, data_len);\n\n for (uint32_t i = 0; i < data_len; i++)\n {\n do\n {\n ret_val = app_uart_put(p_data[i]);\n if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY))\n {\n NRF_LOG_ERROR(\"app_uart_put failed for index 0x%04x.\", i);\n APP_ERROR_CHECK(ret_val);\n }\n } while (ret_val == NRF_ERROR_BUSY);\n }\n if (p_data[data_len-1] == '\\r')\n {\n while (app_uart_put('\\n') == NRF_ERROR_BUSY);\n }\n if (ECHOBACK_BLE_UART_DATA)\n {\n \/\/ Send data back to the peripheral.\n do\n {\n \t for (uint32_t i = 0; i < NRF_SDH_BLE_CENTRAL_LINK_COUNT; i++)\n\t\t\t\t\t\t{ \n\t\t\t\t\t\tret_val = ble_nus_c_string_send(&m_ble_nus_c[i], p_data, data_len);\n if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY))\n {\n NRF_LOG_ERROR(\"Failed sending NUS message. Error 0x%x. \", ret_val);\n APP_ERROR_CHECK(ret_val);\n }\n\t\t\t\t\t\t}\n } while (ret_val == NRF_ERROR_BUSY);\n }\n}\n\n\/**@brief Function for handling BLE events.\n *\n * @param[in] p_ble_evt Bluetooth stack event.\n * @param[in] p_context Unused.\n *\/\nstatic void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context)\n{\n ret_code_t err_code;\n ble_gap_evt_t const * p_gap_evt = &p_ble_evt->evt.gap_evt;\n\n switch (p_ble_evt->header.evt_id)\n {\n case BLE_GAP_EVT_CONNECTED:\n err_code = ble_nus_c_handles_assign(&m_ble_nus_c[p_gap_evt->conn_handle], p_ble_evt->evt.gap_evt.conn_handle, NULL);\n APP_ERROR_CHECK(err_code);\n\n err_code = bsp_indication_set(BSP_INDICATE_CONNECTED);\n APP_ERROR_CHECK(err_code);\n\n \/\/ start discovery of services. The NUS Client waits for a discovery result\n err_code = ble_db_discovery_start(&m_db_disc, p_ble_evt->evt.gap_evt.conn_handle);\n APP_ERROR_CHECK(err_code);\n if (err_code != NRF_ERROR_BUSY)\n {\n APP_ERROR_CHECK(err_code);\n }\n\n \/\/ Update LEDs status and check whether it is needed to look for more\n \/\/ peripherals to connect to.\n bsp_board_led_on(CENTRAL_CONNECTED_LED);\n if (ble_conn_state_central_conn_count() == NRF_SDH_BLE_CENTRAL_LINK_COUNT)\n {\n bsp_board_led_off(CENTRAL_SCANNING_LED);\n }\n else\n {\n \/\/ Resume scanning.\n bsp_board_led_on(CENTRAL_SCANNING_LED);\n scan_start();\n } \n\t\t\t\tbreak;\n\n case BLE_GAP_EVT_DISCONNECTED:\n\n NRF_LOG_INFO(\"Disconnected. conn_handle: 0x%x, reason: 0x%x\",\n p_gap_evt->conn_handle,\n p_gap_evt->params.disconnected.reason);\n break;\n\n case BLE_GAP_EVT_TIMEOUT:\n if (p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_CONN)\n {\n NRF_LOG_INFO(\"Connection Request timed out.\");\n\t\t\t\t\t\t\t\tscan_start();\n }\n break;\n\n case BLE_GAP_EVT_SEC_PARAMS_REQUEST:\n \/\/ Pairing not supported.\n err_code = sd_ble_gap_sec_params_reply(p_ble_evt->evt.gap_evt.conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL);\n APP_ERROR_CHECK(err_code);\n break;\n\n case BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST:\n \/\/ Accepting parameters requested by peer.\n err_code = sd_ble_gap_conn_param_update(p_gap_evt->conn_handle,\n &p_gap_evt->params.conn_param_update_request.conn_params);\n APP_ERROR_CHECK(err_code);\n break;\n\n case BLE_GAP_EVT_PHY_UPDATE_REQUEST:\n {\n NRF_LOG_DEBUG(\"PHY update request.\");\n ble_gap_phys_t const phys =\n {\n .rx_phys = BLE_GAP_PHY_AUTO,\n .tx_phys = BLE_GAP_PHY_AUTO,\n };\n err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys);\n APP_ERROR_CHECK(err_code);\n } break;\n\n case BLE_GATTC_EVT_TIMEOUT:\n \/\/ Disconnect on GATT Client timeout event.\n NRF_LOG_DEBUG(\"GATT Client Timeout.\");\n err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle,\n BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);\n APP_ERROR_CHECK(err_code);\n break;\n\n case BLE_GATTS_EVT_TIMEOUT:\n \/\/ Disconnect on GATT Server timeout event.\n NRF_LOG_DEBUG(\"GATT Server Timeout.\");\n err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle,\n BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);\n APP_ERROR_CHECK(err_code);\n break;\n\n default:\n break;\n }\n}\n\n\/**@brief Function for handling BLE events.\n *\n * @param[in] p_ble_evt Bluetooth stack event.\n * @param[in] p_context Unused.\n *\/\nstatic void ble_nus_c_evt_handler(ble_nus_c_t * p_ble_nus_c, ble_nus_c_evt_t const * p_ble_nus_evt)\n{\n switch (p_ble_nus_evt->evt_type)\n {\n case BLE_NUS_C_EVT_DISCOVERY_COMPLETE:\n {\n ret_code_t err_code;\n\n NRF_LOG_INFO(\"LED Button Service discovered on conn_handle 0x%x\",\n p_ble_nus_evt->conn_handle);\n\n\t\t\t\t\t\terr_code = ble_nus_c_handles_assign(p_ble_nus_c, p_ble_nus_evt->conn_handle, &p_ble_nus_evt->handles);\n\t\t\t\t\t\tAPP_ERROR_CHECK(err_code);\n \/\/ LED Button Service discovered. Enable notification of Button.\n err_code = ble_nus_c_tx_notif_enable(p_ble_nus_c);;\n APP_ERROR_CHECK(err_code);\n } break; \/\/ BLE_NUS_C_EVT_DISCOVERY_COMPLETE\n\n case BLE_NUS_C_EVT_NUS_TX_EVT:\n ble_nus_chars_received_uart_print(p_ble_nus_evt->p_data, p_ble_nus_evt->data_len);\n break;\n\n case BLE_NUS_C_EVT_DISCONNECTED:\n NRF_LOG_INFO(\"Disconnected.\");\n scan_start();\n break;\n\t\t}\n}\n\n\/**@brief Function for handling events from the GATT library. *\/\nvoid gatt_evt_handler(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t const * p_evt)\n{\n if (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED)\n {\n NRF_LOG_INFO(\"ATT MTU exchange completed.\");\n\n m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH;\n NRF_LOG_INFO(\"Ble NUS max data length set to 0x%X(%d)\", m_ble_nus_max_data_len, m_ble_nus_max_data_len);\n }\n}\n\n\/**@brief Function for handling app_uart events.\n *\n * @details This function receives a single character from the app_uart module and appends it to\n * a string. The string is sent over BLE when the last character received is a\n * 'new line' '\\n' (hex 0x0A) or if the string reaches the maximum data length.\n *\/\nvoid uart_event_handle(app_uart_evt_t * p_event)\n{\n static uint8_t data_array[BLE_NUS_MAX_DATA_LEN];\n static uint16_t index = 0;\n uint32_t ret_val;\n\n switch (p_event->evt_type)\n {\n \/**@snippet [Handling data from UART] *\/\n case APP_UART_DATA_READY:\n UNUSED_VARIABLE(app_uart_get(&data_array[index]));\n index++;\n\n if ((data_array[index - 1] == '\\n') || (index >= (m_ble_nus_max_data_len)))\n {\n NRF_LOG_DEBUG(\"Ready to send data over BLE NUS\");\n NRF_LOG_HEXDUMP_DEBUG(data_array, index);\n\t\t\t\t\t\t \n do\n {\n\t\t\t\t\t\t\t\t\t for (uint32_t i = 0; i < NRF_SDH_BLE_CENTRAL_LINK_COUNT; i++)\n\t\t\t\t\t\t\t\t\t{ \n ret_val = ble_nus_c_string_send(&m_ble_nus_c[i], data_array, index);\n if ( (ret_val != NRF_ERROR_INVALID_STATE) && (ret_val != NRF_ERROR_RESOURCES) )\n {\n APP_ERROR_CHECK(ret_val);\n }\n\t\t\t\t\t\t\t\t\t}\t\n } while (ret_val == NRF_ERROR_BUSY);\n\n index = 0;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t\t\n break;\n\n \/**@snippet [Handling data from UART] *\/\n case APP_UART_COMMUNICATION_ERROR:\n NRF_LOG_ERROR(\"Communication error occurred while handling UART.\");\n APP_ERROR_HANDLER(p_event->data.error_communication);\n break;\n\n case APP_UART_FIFO_ERROR:\n NRF_LOG_ERROR(\"Error occurred in FIFO module used by UART.\");\n APP_ERROR_HANDLER(p_event->data.error_code);\n break;\n\n default:\n break;\n }\n}\n\n\/**@brief Function for initializing the UART. *\/\nstatic void uart_init(void)\n{\n ret_code_t err_code;\n\n app_uart_comm_params_t const comm_params =\n {\n .rx_pin_no = RX_PIN_NUMBER,\n .tx_pin_no = TX_PIN_NUMBER,\n .rts_pin_no = RTS_PIN_NUMBER,\n .cts_pin_no = CTS_PIN_NUMBER,\n .flow_control = APP_UART_FLOW_CONTROL_DISABLED,\n .use_parity = false,\n .baud_rate = UART_BAUDRATE_BAUDRATE_Baud115200\n };\n\n APP_UART_FIFO_INIT(&comm_params,\n UART_RX_BUF_SIZE,\n UART_TX_BUF_SIZE,\n uart_event_handle,\n APP_IRQ_PRIORITY_LOWEST,\n err_code);\n\n APP_ERROR_CHECK(err_code);\n}\n\n\/**@brief LED Button collector initialization. *\/\nstatic void nus_c_init(void)\n{\n ret_code_t err_code;\n ble_nus_c_init_t init;\n\n init.evt_handler = ble_nus_c_evt_handler;\n\n for (uint32_t i = 0; i < NRF_SDH_BLE_CENTRAL_LINK_COUNT; i++)\n {\n err_code = ble_nus_c_init(&m_ble_nus_c[i], &init);\n APP_ERROR_CHECK(err_code);\n }\n}\n\n\n\/**@brief Function for initializing the BLE stack.\n *\n * @details Initializes the SoftDevice and the BLE event interrupts.\n *\/\nstatic void ble_stack_init(void)\n{\n ret_code_t err_code;\n\n err_code = nrf_sdh_enable_request();\n APP_ERROR_CHECK(err_code);\n\n \/\/ Configure the BLE stack using the default settings.\n \/\/ Fetch the start address of the application RAM.\n uint32_t ram_start = 0;\n err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start);\n APP_ERROR_CHECK(err_code);\n\n \/\/ Enable BLE stack.\n err_code = nrf_sdh_ble_enable(&ram_start);\n APP_ERROR_CHECK(err_code);\n\n \/\/ Register a handler for BLE events.\n NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL);\n}\n\n\n\n\n\/**@brief Function for handling database discovery events.\n *\n * @details This function is a callback function to handle events from the database discovery module.\n * Depending on the UUIDs that are discovered, this function forwards the events\n * to their respective services.\n *\n * @param[in] p_event Pointer to the database discovery event.\n *\/\nstatic void db_disc_handler(ble_db_discovery_evt_t * p_evt)\n{\n NRF_LOG_DEBUG(\"call to ble_nus_on_db_disc_evt for instance %d and link 0x%x!\",\n p_evt->conn_handle,\n p_evt->conn_handle);\n\n ble_nus_c_on_db_disc_evt(&m_ble_nus_c[p_evt->conn_handle], p_evt);\n}\n\n\n\/** @brief Database discovery initialization.\n *\/\nstatic void db_discovery_init(void)\n{\n ret_code_t err_code = ble_db_discovery_init(db_disc_handler);\n APP_ERROR_CHECK(err_code);\n}\n\n\n\/**@brief Function for initializing power management.\n *\/\nstatic void power_management_init(void)\n{\n ret_code_t err_code;\n err_code = nrf_pwr_mgmt_init();\n APP_ERROR_CHECK(err_code);\n}\n\n\n\/**@brief Function for handling the idle state (main loop).\n *\n * @details This function handles any pending log operations, then sleeps until the next event occurs.\n *\/\nstatic void idle_state_handle(void)\n{\n if (NRF_LOG_PROCESS() == false)\n {\n nrf_pwr_mgmt_run();\n }\n}\n\n\n\/** @brief Function for initializing the log module.\n *\/\nstatic void log_init(void)\n{\n ret_code_t err_code = NRF_LOG_INIT(NULL);\n APP_ERROR_CHECK(err_code);\n\n NRF_LOG_DEFAULT_BACKENDS_INIT();\n}\n\n\n\/** @brief Function for initializing the timer.\n *\/\nstatic void timer_init(void)\n{\n ret_code_t err_code = app_timer_init();\n APP_ERROR_CHECK(err_code);\n}\n\n\n\/**@brief Function for initializing the GATT module.\n *\/\nstatic void gatt_init(void)\n{\n ret_code_t err_code = nrf_ble_gatt_init(&m_gatt, NULL);\n APP_ERROR_CHECK(err_code);\n}\n\n\nint main(void)\n{\n \/\/ Initialize.\n log_init();\n timer_init();\n leds_init();\n uart_init();\n\tpower_management_init();\n db_discovery_init();\n\tble_stack_init();\n gatt_init();\n nus_c_init();\n ble_conn_state_init();\n scan_init();\n\n \/\/ Start execution.\n NRF_LOG_INFO(\"Multilink NUS example started.\");\n scan_start();\n\n for (;;)\n {\n idle_state_handle();\n }\n}\n<\/pre>","protected":false},"excerpt":{"rendered":"\u5982\u4f55\u5728Nordic 52832 Central \u591a\u91cd\u9023\u63a5peripher \u539f\u6587\u7db2\u5740 https:\/\/devzo … \u95b1\u8b80\u5168\u6587<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-242","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/zechs.taipei\/index.php?rest_route=\/wp\/v2\/posts\/242","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zechs.taipei\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zechs.taipei\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zechs.taipei\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zechs.taipei\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=242"}],"version-history":[{"count":1,"href":"https:\/\/zechs.taipei\/index.php?rest_route=\/wp\/v2\/posts\/242\/revisions"}],"predecessor-version":[{"id":243,"href":"https:\/\/zechs.taipei\/index.php?rest_route=\/wp\/v2\/posts\/242\/revisions\/243"}],"wp:attachment":[{"href":"https:\/\/zechs.taipei\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zechs.taipei\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zechs.taipei\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}