/** * Copyright (c) 2017 - 2022, 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_proximity_and_thread_coap_server_main main.c * @{ * @ingroup ble_sdk_app_proximity_and_thread_coap_server * @brief Proximity Application and Thread CoAP Server main file. * * This application shows dynamic multiprotocol support for Thread and Bluetooth Low Energy. * Thread operates on 802.15.4 radio during Bluetooth Low Energy radio's inactive time. * * This file contains is the source code for a sample proximity application using the * Immediate Alert, Link Loss and Tx Power services. * * This application would accept pairing requests from any peer device. * * It demonstrates the use of fast and slow advertising intervals. */ #include "app_error.h" #include "app_scheduler.h" #include "app_timer.h" #include "app_util.h" #include "ble_advdata.h" #include "ble_advertising.h" #include "ble_bas.h" #include "ble_conn_params.h" #include "ble_conn_state.h" #include "ble_db_discovery.h" #include "ble_hci.h" #include "ble_ias_c.h" #include "ble_ias.h" #include "ble_lls.h" #include "ble_srv_common.h" #include "ble_tps.h" #include "ble.h" #include "bsp_btn_ble.h" #include "fds.h" #include "nordic_common.h" #include "nrf_ble_gatt.h" #include "nrf_drv_power.h" #include "nrf_drv_saadc.h" #include "nrf_log_ctrl.h" #include "nrf_log_default_backends.h" #include "nrf_log.h" #include "nrf_pwr_mgmt.h" #include "nrf_sdh_ble.h" #include "nrf_sdh_soc.h" #include "nrf_sdh.h" #include "nrf_soc.h" #include "nrf.h" #include "peer_manager.h" #include "peer_manager_handler.h" #include "sensorsim.h" #include "thread_coap_utils.h" #include "thread_utils.h" #include #include #include #include #define APP_FEATURE_NOT_SUPPORTED BLE_GATT_STATUS_ATTERR_APP_BEGIN + 2 /**< Reply when unsupported features are requested. */ #define DEVICE_NAME "Thread_Prox" /**< Name of 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 BATTERY_LEVEL_MEAS_INTERVAL APP_TIMER_TICKS(120000) /**< Battery level measurement interval (ticks). This value corresponds to 120 seconds. */ #define MIN_CONN_INTERVAL MSEC_TO_UNITS(100, UNIT_1_25_MS) /**< Minimum acceptable connection interval. */ #define MAX_CONN_INTERVAL MSEC_TO_UNITS(200, UNIT_1_25_MS) /**< Maximum acceptable connection interval. */ #define SLAVE_LATENCY 0 /**< Slave latency. */ #define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds). */ #define APP_ADV_INTERVAL MSEC_TO_UNITS(100, UNIT_0_625_MS) /**< The advertising interval (in units of 0.625 ms. This value corresponds to 100 ms). */ #define APP_ADV_DURATION 18000 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */ #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_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 INITIAL_LLS_ALERT_LEVEL BLE_CHAR_ALERT_LEVEL_NO_ALERT /**< Initial value for the Alert Level characteristic in the Link Loss service. */ #define TX_POWER_LEVEL (-8) /**< TX Power Level value. This will be set both in the TX Power service, in the advertising data, and also used to set the radio transmit power. */ #define ADC_REF_VOLTAGE_IN_MILLIVOLTS 600 /**< Reference voltage (in milli volts) used by ADC while doing conversion. */ #define ADC_PRE_SCALING_COMPENSATION 6 /**< The ADC is configured to use VDD with 1/3 prescaling as input. And hence the result of conversion is to be multiplied by 3 to get the actual value of the battery voltage.*/ #define DIODE_FWD_VOLT_DROP_MILLIVOLTS 270 /**< Typical forward voltage drop of the diode . */ #define ADC_RES_10BIT 1024 /**< Maximum digital value for 10-bit ADC conversion. */ #define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ #define SCHED_QUEUE_SIZE 64 /**< Maximum number of events in the scheduler queue. */ #define SCHED_EVENT_DATA_SIZE APP_TIMER_SCHED_EVENT_DATA_SIZE /**< Maximum app_scheduler event size. */ /**@brief Macro to convert the result of ADC conversion in millivolts. * * @param[in] ADC_VALUE ADC result. * * @retval Result converted to millivolts. */ #define ADC_RESULT_IN_MILLI_VOLTS(ADC_VALUE)\ ((((ADC_VALUE) * ADC_REF_VOLTAGE_IN_MILLIVOLTS) / ADC_RES_10BIT) * ADC_PRE_SCALING_COMPENSATION) NRF_BLE_GQ_DEF(m_ble_gatt_queue, /**< BLE GATT Queue instance. */ NRF_SDH_BLE_PERIPHERAL_LINK_COUNT, NRF_BLE_GQ_QUEUE_SIZE); APP_TIMER_DEF(m_battery_timer_id); /**< Battery measurement timer. */ BLE_TPS_DEF(m_tps); /**< TX Power service instance. */ BLE_IAS_DEF(m_ias, NRF_SDH_BLE_TOTAL_LINK_COUNT); /**< Immediate Alert service instance. */ BLE_LLS_DEF(m_lls); /**< Link Loss service instance. */ BLE_BAS_DEF(m_bas); /**< Battery service instance. */ BLE_IAS_C_DEF(m_ias_c); /**< Immediate Alert Service client instance. */ NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */ BLE_DB_DISCOVERY_DEF(m_ble_db_discovery); /**< DB discovery module instance. */ static volatile bool m_is_high_alert_signalled; /**< Variable to indicate whether a high alert has been signalled to the peer. */ static volatile bool m_is_ias_present = false; /**< Variable to indicate whether the immediate alert service has been discovered at the connected peer. */ volatile bool deinit_flag = false; static nrf_saadc_value_t adc_buf[2]; static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifiers. */ { {BLE_UUID_IMMEDIATE_ALERT_SERVICE, BLE_UUID_TYPE_BLE}, {BLE_UUID_BATTERY_SERVICE, BLE_UUID_TYPE_BLE}, {BLE_UUID_TX_POWER_SERVICE, BLE_UUID_TYPE_BLE}, {BLE_UUID_LINK_LOSS_SERVICE, BLE_UUID_TYPE_BLE} }; static void on_ias_evt(ble_ias_t * p_ias, ble_ias_evt_t * p_evt); static void on_lls_evt(ble_lls_t * p_lls, ble_lls_evt_t * p_evt); static void on_ias_c_evt(ble_ias_c_t * p_lls, ble_ias_c_evt_t * p_evt); static void on_bas_evt(ble_bas_t * p_bas, ble_bas_evt_t * p_evt); static void advertising_init(void); 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. 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 Service 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 service_error_handler(uint32_t nrf_error) { APP_ERROR_HANDLER(nrf_error); } /**@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 ADC interrupt. * * @details This function will fetch the conversion result from the ADC, convert the value into * percentage and send it to peer. */ void saadc_event_handler(nrf_drv_saadc_evt_t const * p_event) { if (p_event->type == NRF_DRV_SAADC_EVT_DONE) { nrf_saadc_value_t adc_result; uint16_t batt_lvl_in_milli_volts; uint8_t percentage_batt_lvl; uint32_t err_code; adc_result = p_event->data.done.p_buffer[0]; err_code = nrf_drv_saadc_buffer_convert(p_event->data.done.p_buffer, 1); APP_ERROR_CHECK(err_code); batt_lvl_in_milli_volts = ADC_RESULT_IN_MILLI_VOLTS(adc_result) + DIODE_FWD_VOLT_DROP_MILLIVOLTS; percentage_batt_lvl = battery_level_in_percent(batt_lvl_in_milli_volts); err_code = ble_bas_battery_level_update(&m_bas, percentage_batt_lvl, BLE_CONN_HANDLE_ALL); if ( (err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_INVALID_STATE) && (err_code != NRF_ERROR_RESOURCES) && (err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING) ) { APP_ERROR_HANDLER(err_code); } } } /**@brief Function for handling database discovery events. * * @details This function is 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 services. * * @param[in] p_event Pointer to the database discovery event. */ static void db_disc_handler(ble_db_discovery_evt_t * p_evt) { ble_ias_c_on_db_disc_evt(&m_ias_c, p_evt); } /**@brief Function for configuring ADC to do battery level conversion. */ static void adc_configure(void) { ret_code_t err_code = nrf_drv_saadc_init(NULL, saadc_event_handler); APP_ERROR_CHECK(err_code); nrf_saadc_channel_config_t config = NRF_DRV_SAADC_DEFAULT_CHANNEL_CONFIG_SE(NRF_SAADC_INPUT_VDD); err_code = nrf_drv_saadc_channel_init(0, &config); APP_ERROR_CHECK(err_code); err_code = nrf_drv_saadc_buffer_convert(&adc_buf[0], 1); APP_ERROR_CHECK(err_code); err_code = nrf_drv_saadc_buffer_convert(&adc_buf[1], 1); APP_ERROR_CHECK(err_code); } /**@brief Function for handling the Battery measurement timer timeout. * * @details This function will be called each time the battery level measurement timer expires. * This function will start the ADC. * * @param[in] p_context Pointer used for passing some arbitrary information (context) from the * app_start_timer() call to the timeout handler. */ static void battery_level_meas_timeout_handler(void * p_context) { UNUSED_PARAMETER(p_context); ret_code_t err_code; err_code = nrf_drv_saadc_sample(); APP_ERROR_CHECK(err_code); } /**@brief Function for handling advertising events. * * @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; // BLE_ADV_EVT_FAST case BLE_ADV_EVT_IDLE: err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST); APP_ERROR_CHECK(err_code); break; // BLE_ADV_EVT_IDLE default: break; } } /**@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 the Signals alert event from Immediate Alert or Link Loss services. * * @param[in] alert_level Requested alert level. */ static void alert_signal(uint8_t alert_level) { ret_code_t err_code; switch (alert_level) { case BLE_CHAR_ALERT_LEVEL_NO_ALERT: NRF_LOG_INFO("No Alert."); err_code = bsp_indication_set(BSP_INDICATE_ALERT_OFF); APP_ERROR_CHECK(err_code); break; // BLE_CHAR_ALERT_LEVEL_NO_ALERT case BLE_CHAR_ALERT_LEVEL_MILD_ALERT: NRF_LOG_INFO("Mild Alert."); err_code = bsp_indication_set(BSP_INDICATE_ALERT_0); APP_ERROR_CHECK(err_code); break; // BLE_CHAR_ALERT_LEVEL_MILD_ALERT case BLE_CHAR_ALERT_LEVEL_HIGH_ALERT: NRF_LOG_INFO("HIGH Alert."); err_code = bsp_indication_set(BSP_INDICATE_ALERT_3); APP_ERROR_CHECK(err_code); break; // BLE_CHAR_ALERT_LEVEL_HIGH_ALERT default: // No implementation needed. break; } } /**@brief Function for handling Immediate Alert events. * * @details This function will be called for all Immediate Alert events which are passed to the * application. * * @param[in] p_ias Immediate Alert structure. * @param[in] p_evt Event received from the Immediate Alert service. */ static void on_ias_evt(ble_ias_t * p_ias, ble_ias_evt_t * p_evt) { switch (p_evt->evt_type) { case BLE_IAS_EVT_ALERT_LEVEL_UPDATED: if (p_evt->p_link_ctx != NULL) { alert_signal(p_evt->p_link_ctx->alert_level); } break; // BLE_IAS_EVT_ALERT_LEVEL_UPDATED default: // No implementation needed. break; } } /**@brief Function for handling Link Loss events. * * @details This function will be called for all Link Loss events which are passed to the * application. * * @param[in] p_lls Link Loss structure. * @param[in] p_evt Event received from the Link Loss service. */ static void on_lls_evt(ble_lls_t * p_lls, ble_lls_evt_t * p_evt) { switch (p_evt->evt_type) { case BLE_LLS_EVT_LINK_LOSS_ALERT: alert_signal(p_evt->params.alert_level); break; // BLE_LLS_EVT_LINK_LOSS_ALERT default: // No implementation needed. break; } } /**@brief Function for handling IAS Client events. * * @details This function will be called for all IAS Client events which are passed to the * application. * * @param[in] p_ias_c IAS Client structure. * @param[in] p_evt Event received. */ static void on_ias_c_evt(ble_ias_c_t * p_ias_c, ble_ias_c_evt_t * p_evt) { ret_code_t err_code; switch (p_evt->evt_type) { case BLE_IAS_C_EVT_DISCOVERY_COMPLETE: // IAS is found on peer. The Find Me Locator functionality of this app will work. err_code = ble_ias_c_handles_assign(&m_ias_c, p_evt->conn_handle, p_evt->alert_level.handle_value); APP_ERROR_CHECK(err_code); m_is_ias_present = true; break; // BLE_IAS_C_EVT_DISCOVERY_COMPLETE case BLE_IAS_C_EVT_DISCOVERY_FAILED: // IAS is not found on peer. The Find Me Locator functionality of this app will NOT work. break; // BLE_IAS_C_EVT_DISCOVERY_FAILED case BLE_IAS_C_EVT_DISCONN_COMPLETE: // Disable alert buttons m_is_ias_present = false; break; // BLE_IAS_C_EVT_DISCONN_COMPLETE default: break; } } /**@brief Function for handling the Battery Service events. * * @details This function will be called for all Battery Service events which are passed to the * application. * * @param[in] p_bas Battery Service structure. * @param[in] p_evt Event received from the Battery Service. */ static void on_bas_evt(ble_bas_t * p_bas, ble_bas_evt_t * p_evt) { ret_code_t err_code; switch (p_evt->evt_type) { case BLE_BAS_EVT_NOTIFICATION_ENABLED: // Start battery timer err_code = app_timer_start(m_battery_timer_id, BATTERY_LEVEL_MEAS_INTERVAL, NULL); APP_ERROR_CHECK(err_code); break; // BLE_BAS_EVT_NOTIFICATION_ENABLED case BLE_BAS_EVT_NOTIFICATION_DISABLED: err_code = app_timer_stop(m_battery_timer_id); APP_ERROR_CHECK(err_code); break; // BLE_BAS_EVT_NOTIFICATION_DISABLED default: // No implementation needed. 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 = 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); // Discover peer's services. err_code = ble_db_discovery_start(&m_ble_db_discovery, p_ble_evt->evt.gap_evt.conn_handle); 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 SOC events. * * @param[in] sys_evt SoC stack event. * @param[in] p_context Unused. */ static void soc_evt_handler(uint32_t sys_evt, void * p_context) { UNUSED_PARAMETER(p_context); otSysSoftdeviceSocEvtHandler(sys_evt); } /**@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_DISCONNECT: err_code = sd_ble_gap_disconnect(m_ias_c.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } break; case BSP_EVENT_KEY_0: { if (m_is_ias_present) { if (!m_is_high_alert_signalled) { err_code = ble_ias_c_send_alert_level(&m_ias_c, BLE_CHAR_ALERT_LEVEL_HIGH_ALERT); } else { err_code = ble_ias_c_send_alert_level(&m_ias_c, BLE_CHAR_ALERT_LEVEL_NO_ALERT); } if (err_code == NRF_SUCCESS) { m_is_high_alert_signalled = !m_is_high_alert_signalled; } else if ( (err_code != NRF_ERROR_RESOURCES) && (err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING) && (err_code != NRF_ERROR_NOT_FOUND) ) { APP_ERROR_HANDLER(err_code); } } } break; case BSP_EVENT_KEY_1: NRF_LOG_INFO("Alert Off."); err_code = bsp_indication_set(BSP_INDICATE_ALERT_OFF); APP_ERROR_CHECK(err_code); break; case BSP_EVENT_KEY_2: NRF_LOG_INFO("button 3 pressed"); deinit_flag = true; case BSP_EVENT_KEY_3: thread_coap_utils_provisioning_enable_set(true); break; default: break; } } /**@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_SUCEEDED event. } else { uint32_t err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST); APP_ERROR_CHECK(err_code); } } /******************************************************************l********************************* * @section State **************************************************************************************************/ static void thread_state_changed_callback(uint32_t flags, void * p_context) { if (flags & OT_CHANGED_THREAD_ROLE) { switch (otThreadGetDeviceRole(p_context)) { case OT_DEVICE_ROLE_CHILD: case OT_DEVICE_ROLE_ROUTER: case OT_DEVICE_ROLE_LEADER: break; case OT_DEVICE_ROLE_DISABLED: case OT_DEVICE_ROLE_DETACHED: default: thread_coap_utils_provisioning_enable_set(false); break; } } NRF_LOG_INFO("State changed! Flags: 0x%08x Current role: %d\r\n", flags, otThreadGetDeviceRole(p_context)); if ( otThreadGetDeviceRole(p_context) == OT_DEVICE_ROLE_LEADER) { bsp_board_led_on(BSP_BOARD_LED_3); } } /******************************************************************l********************************* * @section Initialization **************************************************************************************************/ /**@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 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); // Register a handler for SOC events. NRF_SDH_SOC_OBSERVER(m_soc_observer, NRF_SDH_SOC_STACK_OBSERVER_PRIO, soc_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 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 = true; cp_init.evt_handler = NULL; cp_init.error_handler = conn_params_error_handler; err_code = ble_conn_params_init(&cp_init); 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(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_LIMITED_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 the TX Power Service. */ static void tps_init(void) { ret_code_t err_code; ble_tps_init_t tps_init_obj; memset(&tps_init_obj, 0, sizeof(tps_init_obj)); tps_init_obj.initial_tx_power_level = TX_POWER_LEVEL; tps_init_obj.tpl_rd_sec = SEC_JUST_WORKS; err_code = ble_tps_init(&m_tps, &tps_init_obj); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the Immediate Alert Service. */ static void ias_init(void) { ret_code_t err_code; ble_ias_init_t ias_init_obj; memset(&ias_init_obj, 0, sizeof(ias_init_obj)); ias_init_obj.evt_handler = on_ias_evt; ias_init_obj.alert_wr_sec = SEC_JUST_WORKS; err_code = ble_ias_init(&m_ias, &ias_init_obj); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the Link Loss Service. */ static void lls_init(void) { ret_code_t err_code; ble_lls_init_t lls_init_obj; // Initialize Link Loss Service memset(&lls_init_obj, 0, sizeof(lls_init_obj)); lls_init_obj.evt_handler = on_lls_evt; lls_init_obj.error_handler = service_error_handler; lls_init_obj.initial_alert_level = INITIAL_LLS_ALERT_LEVEL; lls_init_obj.alert_level_rd_sec = SEC_JUST_WORKS; lls_init_obj.alert_level_wr_sec = SEC_JUST_WORKS; err_code = ble_lls_init(&m_lls, &lls_init_obj); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the Battery Service. */ static void bas_init(void) { ret_code_t err_code; ble_bas_init_t bas_init_obj; memset(&bas_init_obj, 0, sizeof(bas_init_obj)); bas_init_obj.evt_handler = on_bas_evt; bas_init_obj.support_notification = true; bas_init_obj.p_report_ref = NULL; bas_init_obj.initial_batt_level = 100; bas_init_obj.bl_rd_sec = SEC_OPEN; bas_init_obj.bl_cccd_wr_sec = SEC_OPEN; bas_init_obj.bl_report_rd_sec = SEC_OPEN; err_code = ble_bas_init(&m_bas, &bas_init_obj); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the immediate alert service client. * * @details This will initialize the client side functionality of the Find Me profile. */ static void ias_client_init(void) { ret_code_t err_code; ble_ias_c_init_t ias_c_init_obj; memset(&ias_c_init_obj, 0, sizeof(ias_c_init_obj)); m_is_high_alert_signalled = false; ias_c_init_obj.evt_handler = on_ias_c_evt; ias_c_init_obj.error_handler = service_error_handler; ias_c_init_obj.p_gatt_queue = &m_ble_gatt_queue; err_code = ble_ias_c_init(&m_ias_c, &ias_c_init_obj); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the services that will be used by the application. */ static void services_init(void) { tps_init(); ias_init(); lls_init(); bas_init(); ias_client_init(); } /** @brief Database discovery module initialization. */ static void db_discovery_init(void) { ble_db_discovery_init_t db_init = { .evt_handler = db_disc_handler, .p_gatt_queue = &m_ble_gatt_queue }; ret_code_t err_code = ble_db_discovery_init(&db_init); APP_ERROR_CHECK(err_code); } /**@brief Function for the Timer initialization. * * @details Initializes the timer module. This creates and starts application timers. */ static void timer_init(void) { ret_code_t err_code; // Initialize timer module. err_code = app_timer_init(); APP_ERROR_CHECK(err_code); // Create battery timer. err_code = app_timer_create(&m_battery_timer_id, APP_TIMER_MODE_REPEATED, battery_level_meas_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); err_code = sd_ble_gap_device_name_set(&sec_mode, (const uint8_t *)DEVICE_NAME, strlen(DEVICE_NAME)); APP_ERROR_CHECK(err_code); err_code = sd_ble_gap_appearance_set(BLE_APPEARANCE_GENERIC_KEYRING); 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 Thread Stack */ static void thread_instance_init(void) { thread_configuration_t thread_configuration = { .radio_mode = THREAD_RADIO_MODE_RX_ON_WHEN_IDLE, .autocommissioning = true, }; thread_init(&thread_configuration); thread_cli_init(); thread_state_changed_callback_set(thread_state_changed_callback); } /**@brief Function for deinitializing the Thread Stack. * */ static void thread_instance_finalize(void) { thread_soft_deinit(); } /**@brief Function for initializing the Constrained Application Protocol Module */ static void thread_coap_init(void) { thread_coap_utils_configuration_t thread_coap_configuration = { .coap_server_enabled = true, .coap_client_enabled = false, .configurable_led_blinking_enabled = false, }; thread_coap_utils_init(&thread_coap_configuration); } /**@brief Function for deinitializing the Constrained Application Protocol Module */ static void thread_coap_deinit(void) { thread_coap_utils_deinit(); } /**@brief Function for changing the tx power. */ static void tx_power_set(void) { ret_code_t err_code = sd_ble_gap_tx_power_set(BLE_GAP_TX_POWER_ROLE_ADV, m_advertising.adv_handle, TX_POWER_LEVEL); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing power driver. */ static void power_init(void) { ret_code_t err_code; err_code = nrf_drv_power_init(NULL); 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 initializing scheduler module. */ static void scheduler_init(void) { APP_SCHED_INIT(SCHED_EVENT_DATA_SIZE, SCHED_QUEUE_SIZE); } /*************************************************************************************************** * @section Main **************************************************************************************************/ static void disable_stuff(void) { bsp_board_led_off(BSP_BOARD_LED_3); nrf_drv_gpiote_in_uninit(5); // UART nrf_drv_gpiote_in_uninit(6); // UART nrf_drv_gpiote_in_uninit(7); // UART nrf_drv_gpiote_in_uninit(8); // UART nrf_drv_gpiote_in_uninit(13); // LED nrf_drv_gpiote_in_uninit(14); // LED nrf_drv_gpiote_in_uninit(15); // LED nrf_drv_gpiote_in_uninit(16); // LED nrf_drv_gpiote_in_uninit(11); // Button nrf_drv_gpiote_in_uninit(12); // Button nrf_drv_gpiote_in_uninit(24); // Button nrf_drv_gpiote_in_uninit(25); // Button } /**@brief Function for application main entry. */ int main(void) { bool erase_bonds; ret_code_t err_code; // Initialize. log_init(); scheduler_init(); timer_init(); buttons_leds_init(&erase_bonds); power_init(); power_management_init(); ble_stack_init(); adc_configure(); gap_params_init(); gatt_init(); advertising_init(); db_discovery_init(); services_init(); conn_params_init(); peer_manager_init(); // Start execution. NRF_LOG_INFO("BLE Thread dynamic proximity example started."); //advertising_start(erase_bonds); //tx_power_set(); // Enter main loop. while (true) { NRF_LOG_INFO("starting loop"); thread_instance_init(); thread_coap_init(); while (!thread_soft_reset_was_requested() && deinit_flag == false) { thread_process(); app_sched_execute(); if (NRF_LOG_PROCESS() == false) { thread_sleep(); } } deinit_flag = false; thread_coap_deinit(); thread_instance_finalize(); err_code = app_timer_stop_all(); APP_ERROR_CHECK(err_code); NRF_LOG_INFO("done..."); disable_stuff(); while (true) { while (NRF_LOG_PROCESS()); sd_app_evt_wait(); sd_power_system_off(); } } } /** * @} */