/** * Copyright (c) 2014 - 2019, 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 ble_sdk_app_cts_c_main main.c * @{ * @ingroup ble_sdk_app_cts_c * @brief Current Time Profile sample application. * * This file contains the source code for a sample application that uses Current Time Service. * This is the client role of the profile, implemented on a peripheral device. * When a central device connects, the application will trigger a security procedure (if this is not done * by the central side first). Completion of the security procedure will trigger a service * discovery. When the Current Time Service and Characteristic have been discovered on the * server, pressing button 1 will trigger a read of the current time and print it on the UART. * */ /** ADD TO CTS #define NRF_LOG_DEFERRED 1 #define NRF_LOG_DEFAULT_LEVEL 4 DEBUG #include #include "nrf_calendar.h" static bool run_time_updates = true; #include "SEGGER_RTT.h" #include "SEGGER_RTT_Conf.h" */ #include #include #include "nrf.h" #include "app_error.h" #include "app_scheduler.h" #include "app_timer.h" #include "ble.h" #include "ble_cts_c.h" #include "ble_db_discovery.h" #include "ble_hci.h" #include "ble_srv_common.h" #include "ble_advdata.h" #include "ble_advertising.h" #include "ble_conn_params.h" #include "bsp_btn_ble.h" #include "peer_manager.h" #include "peer_manager_handler.h" #include "nordic_common.h" #include "nrf_sdh.h" #include "nrf_sdh_soc.h" #include "nrf_sdh_ble.h" #include "fds.h" #include "ble_conn_state.h" #include "nrf_ble_gatt.h" #include "nrf_ble_qwr.h" #include "nrf_pwr_mgmt.h" #include "nrf_log.h" #include "nrf_log_ctrl.h" #include "nrf_log_default_backends.h" /* for Calendar: */ #include #include "nrf_calendar.h" static bool run_time_updates = true; #include "SEGGER_RTT.h" #include "SEGGER_RTT_Conf.h" #define DEVICE_NAME "Nordic_CTS" /**< Name of the device. Will be included in the advertising data. */ #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 APP_ADV_FAST_INTERVAL 0x0028 /**< Fast advertising interval (in units of 0.625 ms). The default value corresponds to 25 ms. */ #define APP_ADV_SLOW_INTERVAL 0x0C80 /**< Slow advertising interval (in units of 0.625 ms). The default value corresponds to 2 seconds. */ #define APP_ADV_FAST_DURATION 3000 /**< The advertising duration of fast advertising in units of 10 milliseconds. */ #define APP_ADV_SLOW_DURATION 18000 /**< The advertising duration of slow advertising in units of 10 milliseconds. */ #define MIN_CONN_INTERVAL MSEC_TO_UNITS(500, UNIT_1_25_MS) /**< Minimum acceptable connection interval (0.5 seconds). */ #define MAX_CONN_INTERVAL MSEC_TO_UNITS(1000, UNIT_1_25_MS) /**< Maximum acceptable connection interval (1 second). */ #define SLAVE_LATENCY 0 /**< Slave latency. */ #define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory time-out (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 SEC_PARAM_TIMEOUT 30 /**< Time-out for pairing request or security request (in seconds). */ #define SEC_PARAM_BOND 1 /**< Perform bonding. */ #define SEC_PARAM_MITM 0 /**< Man In The Middle protection requirement. */ #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 /**< I/O capabilities. */ #define SEC_PARAM_OOB 0 /**< Out Of Band data availability. */ #define SEC_PARAM_MIN_KEY_SIZE 7 /**< Minimum encryption key size. */ #define SEC_PARAM_MAX_KEY_SIZE 16 /**< Maximum encryption key size. */ #define SCHED_MAX_EVENT_DATA_SIZE APP_TIMER_SCHED_EVENT_DATA_SIZE /**< Maximum size of scheduler events. Note that scheduler BLE stack events do not contain any data, as the events are being pulled from the stack in the event handler. */ #ifdef SVCALL_AS_NORMAL_FUNCTION #define SCHED_QUEUE_SIZE 20 /**< Maximum number of events in the scheduler queue. More is needed in case of Serialization. */ #else #define SCHED_QUEUE_SIZE 10 /**< Maximum number of events in the scheduler queue. */ #endif #define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ BLE_CTS_C_DEF(m_cts_c); /**< Current Time service instance. */ NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ NRF_BLE_QWR_DEF(m_qwr); /**< Context for the Queued Write module.*/ BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */ BLE_DB_DISCOVERY_DEF(m_ble_db_discovery); /**< DB discovery module instance. */ static pm_peer_id_t m_peer_id; /**< Device reference handle to the current bonded central. */ static uint16_t m_cur_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */ static pm_peer_id_t m_whitelist_peers[BLE_GAP_WHITELIST_ADDR_MAX_COUNT]; /**< List of peers currently in the whitelist. */ static uint32_t m_whitelist_peer_cnt; /**< Number of peers currently in the whitelist. */ static ble_uuid_t m_adv_uuids[] = {{BLE_UUID_CURRENT_TIME_SERVICE, BLE_UUID_TYPE_BLE}}; static char const * day_of_week[] = { "Unknown", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" }; static char const * month_of_year[] = { "Unknown", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" }; //***** fds_write_1 ***** START #define FILE_ID 0x1111 #define REC_KEY 0x1111 typedef struct { uint32_t sample1; uint32_t sample2; uint32_t sample3; uint32_t sample4; } sensor_data; /* Dummy configuration data. */ static sensor_data sensor_data_sample = { .sample1 = 0, .sample2 = 0, .sample3 = 0, .sample4 = 0, }; /* A record containing dummy configuration data. */ static fds_record_t const sensor_data_record = { .file_id = FILE_ID, .key = REC_KEY, .data.p_data = &sensor_data_sample, .data.length_words = (sizeof(sensor_data_sample) + 3) / sizeof(uint32_t), }; /**@brief Wait for fds to initialize. */ static void fds_write_1(void) { uint32_t err_code; uint32_t *data; ret_code_t rc; fds_record_desc_t record_desc; // NRF_LOG_INFO("fds_write_1 top\r\n"); SEGGER_RTT_printf(0,"bme280_read_3 top\r\n"); sensor_data_sample.sample1 = 0x00000001; sensor_data_sample.sample2 = 0x00000002; sensor_data_sample.sample3 = 0x00000003; sensor_data_sample.sample4 = 0x00000004; // NRF_LOG_INFO("fds_write_1 mid 1\r\n"); SEGGER_RTT_printf(0,"fds_write_1 mid 1\r\n"); rc = fds_record_write(&record_desc, &sensor_data_record); // NRF_LOG_INFO("fds_write_1 mid 2\r\n"); SEGGER_RTT_printf(0,"fds_write_1 mid 2\r\n"); if (rc != NRF_SUCCESS) { /* Handle error. */ // NRF_LOG_INFO("fds_write_1 Record not write.\r\n"); SEGGER_RTT_printf(0,"fds_write_5 Record not write.\r\n"); } else { data = (uint32_t *) sensor_data_record.data.p_data; // NRF_LOG_INFO("rec_id\tsample1\tsample2\tsample3\tsample4\r\n"); // NRF_LOG_INFO("%x\t\t %x\t %x\t %x\t %x\t\r\n", record_desc.record_id, data[0], data[1], data[2], data[3]); SEGGER_RTT_printf(0,"rec_id\tsample1\tsample2\tsample3\tsample4\r\n"); SEGGER_RTT_printf(0,"%x\t\t %x\t %x\t %x\t %x\t\r\n", record_desc.record_id, data[0], data[1], data[2], data[3]); } } //***** fds_write_1 ***** END /**@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 Fetch the list of peer manager peer IDs. * * @param[inout] p_peers The buffer where to store the list of peer IDs. * @param[inout] p_size In: The size of the @p p_peers buffer. * Out: The number of peers copied in the buffer. */ static void peer_list_get(pm_peer_id_t * p_peers, uint32_t * p_size) { pm_peer_id_t peer_id; uint32_t peers_to_copy; peers_to_copy = (*p_size < BLE_GAP_WHITELIST_ADDR_MAX_COUNT) ? *p_size : BLE_GAP_WHITELIST_ADDR_MAX_COUNT; peer_id = pm_next_peer_id_get(PM_PEER_ID_INVALID); *p_size = 0; while ((peer_id != PM_PEER_ID_INVALID) && (peers_to_copy--)) { p_peers[(*p_size)++] = peer_id; peer_id = pm_next_peer_id_get(peer_id); } } /**@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 starting advertising. */ static void advertising_start(bool erase_bonds) { if (erase_bonds == true) { delete_bonds(); // Advertising is started by PM_EVT_PEERS_DELETE_SUCCEEDED event. } else { ret_code_t ret; memset(m_whitelist_peers, PM_PEER_ID_INVALID, sizeof(m_whitelist_peers)); m_whitelist_peer_cnt = (sizeof(m_whitelist_peers) / sizeof(pm_peer_id_t)); peer_list_get(m_whitelist_peers, &m_whitelist_peer_cnt); ret = pm_whitelist_set(m_whitelist_peers, m_whitelist_peer_cnt); APP_ERROR_CHECK(ret); // Setup the device identies list. // Some SoftDevices do not support this feature. ret = pm_device_identities_list_set(m_whitelist_peers, m_whitelist_peer_cnt); if (ret != NRF_ERROR_NOT_SUPPORTED) { APP_ERROR_CHECK(ret); } ret = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST); APP_ERROR_CHECK(ret); } } /**@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) { ret_code_t err_code; pm_handler_on_pm_evt(p_evt); pm_handler_flash_clean(p_evt); switch (p_evt->evt_id) { case PM_EVT_CONN_SEC_SUCCEEDED: { m_peer_id = p_evt->peer_id; // Discover peer's services. err_code = ble_db_discovery_start(&m_ble_db_discovery, p_evt->conn_handle); APP_ERROR_CHECK(err_code); } break; case PM_EVT_PEERS_DELETE_SUCCEEDED: { advertising_start(false); } break; case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED: { // Note: You should check on what kind of white list policy your application should use. if ( p_evt->params.peer_data_update_succeeded.flash_changed && (p_evt->params.peer_data_update_succeeded.data_id == PM_PEER_DATA_ID_BONDING)) { NRF_LOG_DEBUG("New Bond, add the peer to the whitelist if possible"); NRF_LOG_DEBUG("\tm_whitelist_peer_cnt %d, MAX_PEERS_WLIST %d", m_whitelist_peer_cnt + 1, BLE_GAP_WHITELIST_ADDR_MAX_COUNT); if (m_whitelist_peer_cnt < BLE_GAP_WHITELIST_ADDR_MAX_COUNT) { // Bonded to a new peer, add it to the whitelist. m_whitelist_peers[m_whitelist_peer_cnt++] = m_peer_id; // The whitelist has been modified, update it in the Peer Manager. err_code = pm_device_identities_list_set(m_whitelist_peers, m_whitelist_peer_cnt); if (err_code != NRF_ERROR_NOT_SUPPORTED) { APP_ERROR_CHECK(err_code); } err_code = pm_whitelist_set(m_whitelist_peers, m_whitelist_peer_cnt); APP_ERROR_CHECK(err_code); } } } break; default: break; } } void print_current_time() { printf("Epoch:\t%d\r\n", nrf_cal_get_epoch()); printf("New time:\t%s\r\n", nrf_cal_get_time_string(false)); } /* set run_time_updates=false to stop calendar updates*/ void calendar_updated() { if(run_time_updates) { // print_current_time(); fds_write_1(); } } /**@brief Function for handling the Current Time Service errors. * * @param[in] nrf_error Error code containing information about what went wrong. */ static void current_time_error_handler(uint32_t nrf_error) { APP_ERROR_HANDLER(nrf_error); } /**@brief Function for handling the Current Time Service errors. * * @param[in] p_evt Event received from the Current Time Service client. */ static void current_time_print(ble_cts_c_evt_t * p_evt) { // NRF_LOG_INFO("\r\nCurrent Time:"); // NRF_LOG_INFO("\r\nDate:"); // // NRF_LOG_INFO("\tDay of week %s", (uint32_t)day_of_week[p_evt-> // params. // current_time. // exact_time_256. // day_date_time. // day_of_week]); // // if (p_evt->params.current_time.exact_time_256.day_date_time.date_time.day == 0) // { // NRF_LOG_INFO("\tDay of month Unknown"); // } // else // { // NRF_LOG_INFO("\tDay of month %i", // p_evt->params.current_time.exact_time_256.day_date_time.date_time.day); // } // // NRF_LOG_INFO("\tMonth of year %s", // (uint32_t)month_of_year[p_evt->params.current_time.exact_time_256.day_date_time.date_time.month]); // if (p_evt->params.current_time.exact_time_256.day_date_time.date_time.year == 0) // { // NRF_LOG_INFO("\tYear Unknown"); // } // else // { // NRF_LOG_INFO("\tYear %i", // p_evt->params.current_time.exact_time_256.day_date_time.date_time.year); // } // NRF_LOG_INFO("\r\nTime:"); // NRF_LOG_INFO("\tHours %i", // p_evt->params.current_time.exact_time_256.day_date_time.date_time.hours); // NRF_LOG_INFO("\tMinutes %i", // p_evt->params.current_time.exact_time_256.day_date_time.date_time.minutes); // NRF_LOG_INFO("\tSeconds %i", // p_evt->params.current_time.exact_time_256.day_date_time.date_time.seconds); // NRF_LOG_INFO("\tFractions %i/256 of a second", // p_evt->params.current_time.exact_time_256.fractions256); // // NRF_LOG_INFO("\r\nAdjust reason:\r"); // NRF_LOG_INFO("\tDaylight savings %x", // p_evt->params.current_time.adjust_reason.change_of_daylight_savings_time); // NRF_LOG_INFO("\tTime zone %x", // p_evt->params.current_time.adjust_reason.change_of_time_zone); // NRF_LOG_INFO("\tExternal update %x", // p_evt->params.current_time.adjust_reason.external_reference_time_update); // NRF_LOG_INFO("\tManual update %x", // p_evt->params.current_time.adjust_reason.manual_time_update); uint32_t year, month, day, hour, minute, second; /* time received from cts populates variables */ year = p_evt->params.current_time.exact_time_256.day_date_time.date_time.year; month = p_evt->params.current_time.exact_time_256.day_date_time.date_time.month; day = p_evt->params.current_time.exact_time_256.day_date_time.date_time.day; hour = p_evt->params.current_time.exact_time_256.day_date_time.date_time.hours; minute = p_evt->params.current_time.exact_time_256.day_date_time.date_time.minutes; second = p_evt->params.current_time.exact_time_256.day_date_time.date_time.seconds; /* variables from cts set calendar */ nrf_cal_set_time(year, month, day, hour, minute, second); /* function calendar_updated called every 5 seconds */ nrf_cal_set_callback(calendar_updated, 5); } /**@brief Function for the timer initialization. * * @details Initializes the timer module. */ static void timers_init(void) { ret_code_t err_code; err_code = app_timer_init(); APP_ERROR_CHECK(err_code); } /**@brief Function for handling the Current Time Service client events. * * @details This function will be called for all events in the Current Time Service client that * are passed to the application. * * @param[in] p_evt Event received from the Current Time Service client. */ static void on_cts_c_evt(ble_cts_c_t * p_cts, ble_cts_c_evt_t * p_evt) { ret_code_t err_code; switch (p_evt->evt_type) { case BLE_CTS_C_EVT_DISCOVERY_COMPLETE: NRF_LOG_INFO("Current Time Service discovered on server."); err_code = ble_cts_c_handles_assign(&m_cts_c, p_evt->conn_handle, &p_evt->params.char_handles); APP_ERROR_CHECK(err_code); break; case BLE_CTS_C_EVT_DISCOVERY_FAILED: NRF_LOG_INFO("Current Time Service not found on server. "); // CTS not found in this case we just disconnect. There is no reason to stay // in the connection for this simple app since it all wants is to interact with CT if (p_evt->conn_handle != BLE_CONN_HANDLE_INVALID) { err_code = sd_ble_gap_disconnect(p_evt->conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); APP_ERROR_CHECK(err_code); } break; case BLE_CTS_C_EVT_DISCONN_COMPLETE: NRF_LOG_INFO("Disconnect Complete."); break; case BLE_CTS_C_EVT_CURRENT_TIME: NRF_LOG_INFO("Current Time received."); current_time_print(p_evt); // NRF_LOG_INFO("on_cts_c_evt current_time_print-> fds_write_1."); // fds_write_1(); break; case BLE_CTS_C_EVT_INVALID_TIME: NRF_LOG_INFO("Invalid Time received."); break; default: break; } } /**@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); err_code = sd_ble_gap_device_name_set(&sec_mode, (const uint8_t *)DEVICE_NAME, strlen(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 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 initializing services that will be used by the application. */ static void services_init(void) { ret_code_t err_code; ble_cts_c_init_t cts_init = {0}; 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); // Initialize CTS. cts_init.evt_handler = on_cts_c_evt; cts_init.error_handler = current_time_error_handler; err_code = ble_cts_c_init(&m_cts_c, &cts_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 that * are passed to the application. * @note All this function does 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 to demonstrate its use. * * @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_cur_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 handling Database Discovery events. * * @details This function is a callback function to handle events from the database discovery module. * Depending on the UUIDs that are discovered, this function should forward the events * to their respective service instances. * * @param[in] p_event Pointer to the database discovery event. */ static void db_disc_handler(ble_db_discovery_evt_t * p_evt) { ble_cts_c_on_db_disc_evt(&m_cts_c, p_evt); } /**@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 = 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_SLOW: NRF_LOG_INFO("Slow advertising"); err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING_SLOW); APP_ERROR_CHECK(err_code); break; case BLE_ADV_EVT_FAST_WHITELIST: NRF_LOG_INFO("Fast advertising with WhiteList"); err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING_WHITELIST); APP_ERROR_CHECK(err_code); break; case BLE_ADV_EVT_SLOW_WHITELIST: NRF_LOG_INFO("Slow advertising with WhiteList"); err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING_WHITELIST); APP_ERROR_CHECK(err_code); err_code = ble_advertising_restart_without_whitelist(&m_advertising); APP_ERROR_CHECK(err_code); break; case BLE_ADV_EVT_IDLE: sleep_mode_enter(); break; case BLE_ADV_EVT_WHITELIST_REQUEST: { ble_gap_addr_t whitelist_addrs[BLE_GAP_WHITELIST_ADDR_MAX_COUNT]; ble_gap_irk_t whitelist_irks[BLE_GAP_WHITELIST_ADDR_MAX_COUNT]; uint32_t addr_cnt = BLE_GAP_WHITELIST_ADDR_MAX_COUNT; uint32_t irk_cnt = BLE_GAP_WHITELIST_ADDR_MAX_COUNT; err_code = pm_whitelist_get(whitelist_addrs, &addr_cnt, whitelist_irks, &irk_cnt); APP_ERROR_CHECK(err_code); NRF_LOG_DEBUG("pm_whitelist_get returns %d addr in whitelist and %d irk whitelist", addr_cnt, irk_cnt); // Apply the whitelist. err_code = ble_advertising_whitelist_reply(&m_advertising, whitelist_addrs, addr_cnt, whitelist_irks, irk_cnt); APP_ERROR_CHECK(err_code); } 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) { ret_code_t err_code; pm_handler_secure_on_connection(p_ble_evt); switch (p_ble_evt->header.evt_id) { case BLE_GAP_EVT_CONNECTED: NRF_LOG_INFO("Connected."); err_code = bsp_indication_set(BSP_INDICATE_CONNECTED); APP_ERROR_CHECK(err_code); m_cur_conn_handle = p_ble_evt->evt.gap_evt.conn_handle; err_code = nrf_ble_qwr_conn_handle_assign(&m_qwr, m_cur_conn_handle); APP_ERROR_CHECK(err_code); NRF_LOG_INFO("ble_evt_handler connected -> fds_write_1."); fds_write_1(); break; case BLE_GAP_EVT_DISCONNECTED: NRF_LOG_INFO("Disconnected."); m_cur_conn_handle = BLE_CONN_HANDLE_INVALID; if (p_ble_evt->evt.gap_evt.conn_handle == m_cts_c.conn_handle) { m_cts_c.conn_handle = BLE_CONN_HANDLE_INVALID; } break; // BLE_GAP_EVT_DISCONNECTED 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 handling events from the BSP module. * * @param[in] event Event generated by button press. */ void bsp_event_handler(bsp_event_t event) { ret_code_t err_code; switch (event) { case BSP_EVENT_SLEEP: sleep_mode_enter(); break; case BSP_EVENT_DISCONNECT: err_code = sd_ble_gap_disconnect(m_cur_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } break; case BSP_EVENT_WHITELIST_OFF: if (m_cts_c.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; case BSP_EVENT_KEY_0: if (m_cts_c.conn_handle != BLE_CONN_HANDLE_INVALID) { err_code = ble_cts_c_current_time_read(&m_cts_c); if (err_code == NRF_ERROR_NOT_FOUND) { NRF_LOG_INFO("Current Time Service is not discovered."); } } 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 Event Scheduler initialization. */ static void scheduler_init(void) { APP_SCHED_INIT(SCHED_MAX_EVENT_DATA_SIZE, SCHED_QUEUE_SIZE); } /**@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 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 Function for initializing the advertising functionality. * * @details Encodes the required advertising data and passes it to the stack. * Also builds a structure to be passed to the stack when starting advertising. */ static void advertising_init() { 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_LIMITED_DISC_MODE; init.advdata.uuids_solicited.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]); init.advdata.uuids_solicited.p_uuids = m_adv_uuids; init.config.ble_adv_whitelist_enabled = true; init.config.ble_adv_fast_enabled = true; init.config.ble_adv_fast_interval = APP_ADV_FAST_INTERVAL; init.config.ble_adv_fast_timeout = APP_ADV_FAST_DURATION; init.config.ble_adv_slow_enabled = true; init.config.ble_adv_slow_interval = APP_ADV_SLOW_INTERVAL; init.config.ble_adv_slow_timeout = APP_ADV_SLOW_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 Database discovery collector initialization. */ static void db_discovery_init(void) { ret_code_t err_code = ble_db_discovery_init(db_disc_handler); APP_ERROR_CHECK(err_code); } /**@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) { app_sched_execute(); if (NRF_LOG_PROCESS() == false) { nrf_pwr_mgmt_run(); } } /**@brief Function for application main entry. */ int main(void) { bool erase_bonds; // Initialize. nrf_cal_init(); log_init(); timers_init(); buttons_leds_init(&erase_bonds); scheduler_init(); power_management_init(); ble_stack_init(); gap_params_init(); gatt_init(); db_discovery_init(); advertising_init(); peer_manager_init(); services_init(); conn_params_init(); // Start execution. NRF_LOG_INFO("Current Time service client started."); advertising_start(erase_bonds); // Enter main loop. for (;;) { idle_state_handle(); } } /** * @} */