diff options
Diffstat (limited to 'src/BLE/BleManager.c')
| -rw-r--r-- | src/BLE/BleManager.c | 531 |
1 files changed, 531 insertions, 0 deletions
diff --git a/src/BLE/BleManager.c b/src/BLE/BleManager.c new file mode 100644 index 00000000..af5d51fd --- /dev/null +++ b/src/BLE/BleManager.c @@ -0,0 +1,531 @@ +#include <libraries/util/sdk_errors.h> +#include <softdevice/common/nrf_sdh.h> +#include <libraries/util/app_error.h> +#include <softdevice/common/nrf_sdh_ble.h> +#include <libraries/log/nrf_log.h> +#include <ble/nrf_ble_qwr/nrf_ble_qwr.h> +#include <ble/ble_services/ble_cts_c/ble_cts_c.h> +#include <ble/nrf_ble_gatt/nrf_ble_gatt.h> +#include <ble/ble_advertising/ble_advertising.h> +#include <ble/peer_manager/peer_manager.h> +#include <ble/peer_manager/peer_manager_handler.h> +#include <ble/ble_services/ble_hrs/ble_hrs.h> +#include <ble/ble_services/ble_bas/ble_bas.h> +#include <ble/ble_services/ble_dis/ble_dis.h> +#include <ble/common/ble_conn_params.h> +#include "nrf_sdh_soc.h" + +#include "BleManager.h" + +void ble_manager_init_stack(); + +void ble_manager_init_gap_params(); + + +void ble_manager_init_gatt(); +void ble_manager_init_db_discovery(); +void ble_manager_init_advertising(); +void ble_manager_init_peer_manager(); +void ble_manager_init_services(); +void ble_manager_init_connection_params(); + +void ble_manager_event_handler(ble_evt_t const *p_ble_evt, void *p_context); +void ble_manager_discover_handler(ble_db_discovery_evt_t *p_evt); +void ble_manager_advertising_event_handler(ble_adv_evt_t ble_adv_evt); +void ble_manager_peer_manager_event_handler(pm_evt_t const *p_evt); +void ble_manager_delete_bonds(); +void ble_manager_queue_write_error_handler(uint32_t nrf_error); +void ble_manager_cts_event_handler(ble_cts_c_t *p_cts, ble_cts_c_evt_t *p_evt); +void ble_manager_cts_error_handler(uint32_t nrf_error); +void ble_manager_cts_print_time(ble_cts_c_evt_t *p_evt); +void ble_manager_conn_params_event_handler(ble_conn_params_evt_t *p_evt); +void ble_manager_conn_params_error_handler(uint32_t nrf_error); + +uint16_t ble_manager_connection_handle = BLE_CONN_HANDLE_INVALID; // Handle of the current connection. +NRF_BLE_QWR_DEF(ble_manager_queue_write); // Context for the Queued Write module. +BLE_CTS_C_DEF(ble_manager_cts_client); // Current Time service instance. +NRF_BLE_GATT_DEF(ble_manager_gatt); // GATT module instance. +BLE_ADVERTISING_DEF(ble_manager_advertising); // Advertising module instance. +BLE_DB_DISCOVERY_DEF(ble_manager_db_discovery); + + + +static ble_uuid_t ble_manager_advertising_uuids[] = /* Universally unique service identifiers.*/ + { +// {BLE_UUID_HEART_RATE_SERVICE, BLE_UUID_TYPE_BLE}, +// {BLE_UUID_BATTERY_SERVICE, BLE_UUID_TYPE_BLE}, + {BLE_UUID_DEVICE_INFORMATION_SERVICE, BLE_UUID_TYPE_BLE}, + {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" + }; + +void ble_manager_init() { + ble_manager_init_stack(); + ble_manager_init_gap_params(); + ble_manager_init_gatt(); + ble_manager_init_db_discovery(); + ble_manager_init_advertising(); + ble_manager_init_peer_manager(); + ble_manager_init_services(); + ble_manager_init_connection_params(); +} + +void ble_manager_init_stack() { + 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(BLE_MANAGER_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, BLE_MANAGER__OBSERVER_PRIO, ble_manager_event_handler, NULL); +} + +void ble_manager_event_handler(ble_evt_t const *p_ble_evt, void *p_context) { + uint32_t err_code; + + switch (p_ble_evt->header.evt_id) { + case BLE_GAP_EVT_CONNECTED: + NRF_LOG_INFO("Connected"); + ble_manager_connection_handle = p_ble_evt->evt.gap_evt.conn_handle; + err_code = nrf_ble_qwr_conn_handle_assign(&ble_manager_queue_write, ble_manager_connection_handle); + APP_ERROR_CHECK(err_code); + break; + + case BLE_GAP_EVT_DISCONNECTED: + NRF_LOG_INFO("Disconnected"); + ble_manager_connection_handle = BLE_CONN_HANDLE_INVALID; + if (p_ble_evt->evt.gap_evt.conn_handle == ble_manager_cts_client.conn_handle) { + ble_manager_cts_client.conn_handle = BLE_CONN_HANDLE_INVALID; + } + break; + + case BLE_GAP_EVT_PHY_UPDATE_REQUEST: { + NRF_LOG_DEBUG("PHY update request."); + ble_gap_phys_t const phys = + { + + .tx_phys = BLE_GAP_PHY_AUTO, + .rx_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; + } +} + +void ble_manager_init_gap_params() { + 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 *) BLE_MANAGER_DEVICE_NAME, + strlen(BLE_MANAGER_DEVICE_NAME)); + APP_ERROR_CHECK(err_code); + + err_code = sd_ble_gap_appearance_set(BLE_APPEARANCE_HEART_RATE_SENSOR_HEART_RATE_BELT); + APP_ERROR_CHECK(err_code); + + memset(&gap_conn_params, 0, sizeof(gap_conn_params)); + + gap_conn_params.min_conn_interval = BLE_MANAGER_MIN_CONN_INTERVAL; + gap_conn_params.max_conn_interval = BLE_MANAGER_MAX_CONN_INTERVAL; + gap_conn_params.slave_latency = BLE_MANAGER_SLAVE_LATENCY; + gap_conn_params.conn_sup_timeout = BLE_MANAGER_CONN_SUP_TIMEOUT; + + err_code = sd_ble_gap_ppcp_set(&gap_conn_params); + APP_ERROR_CHECK(err_code); +} + +void ble_manager_init_gatt() { + ret_code_t err_code = nrf_ble_gatt_init(&ble_manager_gatt, NULL); + APP_ERROR_CHECK(err_code); +} + +void ble_manager_init_db_discovery() { + ret_code_t err_code = ble_db_discovery_init(ble_manager_discover_handler); + APP_ERROR_CHECK(err_code); +} + +void ble_manager_discover_handler(ble_db_discovery_evt_t *p_evt) { + ble_cts_c_on_db_disc_evt(&ble_manager_cts_client, p_evt); +} + +void ble_manager_init_advertising() { + ret_code_t err_code; + ble_advertising_init_t init; + + memset(&init, 0, sizeof(init)); + + init.advdata.name_type = BLE_ADVDATA_FULL_NAME; + init.advdata.include_appearance = true; + init.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE; + init.advdata.uuids_complete.uuid_cnt = + sizeof(ble_manager_advertising_uuids) / sizeof(ble_manager_advertising_uuids[0]); + init.advdata.uuids_complete.p_uuids = ble_manager_advertising_uuids; + + init.config.ble_adv_whitelist_enabled = true; + init.config.ble_adv_fast_enabled = true; + init.config.ble_adv_fast_interval = BLE_MANAGER_ADV_INTERVAL; + init.config.ble_adv_fast_timeout = BLE_MANAGER_ADV_DURATION; + + init.evt_handler = ble_manager_advertising_event_handler; + + err_code = ble_advertising_init(&ble_manager_advertising, &init); + APP_ERROR_CHECK(err_code); + + ble_advertising_conn_cfg_tag_set(&ble_manager_advertising, BLE_MANAGER_CONN_CFG_TAG); +} + +void ble_manager_advertising_event_handler(ble_adv_evt_t ble_adv_evt) { + uint32_t err_code; + + switch (ble_adv_evt) { + case BLE_ADV_EVT_FAST: + NRF_LOG_INFO("Fast advertising."); + break; + + case BLE_ADV_EVT_IDLE: + break; + + default: + break; + } +} + +void ble_manager_init_peer_manager() { + 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 = BLE_MANAGER_SEC_PARAM_BOND; + sec_param.mitm = BLE_MANAGER_SEC_PARAM_MITM; + sec_param.lesc = BLE_MANAGER_SEC_PARAM_LESC; + sec_param.keypress = BLE_MANAGER_SEC_PARAM_KEYPRESS; + sec_param.io_caps = BLE_MANAGER_SEC_PARAM_IO_CAPABILITIES; + sec_param.oob = BLE_MANAGER_SEC_PARAM_OOB; + sec_param.min_key_size = BLE_MANAGER_SEC_PARAM_MIN_KEY_SIZE; + sec_param.max_key_size = BLE_MANAGER_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(ble_manager_peer_manager_event_handler); + APP_ERROR_CHECK(err_code); +} + +void ble_manager_peer_manager_event_handler(pm_evt_t const *p_evt) { + bool delete_bonds = false; + 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(&ble_manager_db_discovery, p_evt->conn_handle); + APP_ERROR_CHECK(err_code); + } + break; + + case PM_EVT_PEERS_DELETE_SUCCEEDED: + ble_manager_start_advertising(&delete_bonds); + break; + + default: + break; + } +} + +void ble_manager_start_advertising(void *p_erase_bonds) { + bool erase_bonds = *(bool *) p_erase_bonds; + + if (erase_bonds) { + ble_manager_delete_bonds(); + // Advertising is started by PM_EVT_PEERS_DELETE_SUCCEEDED event. + } else { + ret_code_t err_code = ble_advertising_start(&ble_manager_advertising, BLE_ADV_MODE_FAST); + APP_ERROR_CHECK(err_code); + } +} + +void (*OnNewTimeCallback)(uint8_t, uint8_t); +void ble_manager_set_callback(void (*OnNewTime)(uint8_t, uint8_t)) { + OnNewTimeCallback = OnNewTime; +} + +void ble_manager_init_services() { + ret_code_t err_code; + ble_hrs_init_t hrs_init; + ble_bas_init_t bas_init; + ble_dis_init_t dis_init; + ble_cts_c_init_t cts_init; + nrf_ble_qwr_init_t qwr_init = {0}; + uint8_t body_sensor_location; + + // Initialize Queued Write Module. + qwr_init.error_handler = ble_manager_queue_write_error_handler; + + err_code = nrf_ble_qwr_init(&ble_manager_queue_write, &qwr_init); + APP_ERROR_CHECK(err_code); + + // Initialize Heart Rate Service. + body_sensor_location = BLE_HRS_BODY_SENSOR_LOCATION_FINGER; + + memset(&hrs_init, 0, sizeof(hrs_init)); + + hrs_init.evt_handler = NULL; + hrs_init.is_sensor_contact_supported = true; + hrs_init.p_body_sensor_location = &body_sensor_location; + + // Here the sec level for the Heart Rate Service can be changed/increased. + hrs_init.hrm_cccd_wr_sec = SEC_OPEN; + hrs_init.bsl_rd_sec = SEC_OPEN; + + // Initialize Battery Service. +// memset(&bas_init, 0, sizeof(bas_init)); +// +// // Here the sec level for the Battery Service can be changed/increased. +// bas_init.bl_rd_sec = SEC_OPEN; +// bas_init.bl_cccd_wr_sec = SEC_OPEN; +// bas_init.bl_report_rd_sec = SEC_OPEN; +// +// bas_init.evt_handler = NULL; +// bas_init.support_notification = true; +// bas_init.p_report_ref = NULL; +// bas_init.initial_batt_level = 100; +// +// err_code = ble_bas_init(&m_bas, &bas_init); +// APP_ERROR_CHECK(err_code); + + // Initialize Device Information Service. + memset(&dis_init, 0, sizeof(dis_init)); + + ble_srv_ascii_to_utf8(&dis_init.manufact_name_str, (char *) BLE_MANAGER_MANUFACTURER_NAME); + + dis_init.dis_char_rd_sec = SEC_OPEN; + + err_code = ble_dis_init(&dis_init); + APP_ERROR_CHECK(err_code); + + // Initialize CTS. + cts_init.evt_handler = ble_manager_cts_event_handler; + cts_init.error_handler = ble_manager_cts_error_handler; + err_code = ble_cts_c_init(&ble_manager_cts_client, &cts_init); + APP_ERROR_CHECK(err_code); +} + +void ble_manager_queue_write_error_handler(uint32_t nrf_error) { + APP_ERROR_HANDLER(nrf_error); +} + +void ble_manager_cts_event_handler(ble_cts_c_t *p_cts, ble_cts_c_evt_t *p_evt) { + ret_code_t err_code; + + NRF_LOG_INFO("CTS %d", p_evt->evt_type); + + 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(&ble_manager_cts_client, + p_evt->conn_handle, + &p_evt->params.char_handles); + + ble_cts_c_current_time_read(&ble_manager_cts_client); + 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."); + ble_manager_cts_print_time(p_evt); + break; + + case BLE_CTS_C_EVT_INVALID_TIME: + NRF_LOG_INFO("Invalid Time received."); + break; + + default: + break; + } +} + +void ble_manager_cts_error_handler(uint32_t nrf_error) { + APP_ERROR_HANDLER(nrf_error); +} + +void ble_manager_cts_print_time(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); + + OnNewTimeCallback(p_evt->params.current_time.exact_time_256.day_date_time.date_time.minutes, + p_evt->params.current_time.exact_time_256.day_date_time.date_time.hours); +} + +void ble_manager_init_connection_params() { + 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 = ble_manager_conn_params_event_handler; + cp_init.error_handler = ble_manager_conn_params_error_handler; + + err_code = ble_conn_params_init(&cp_init); + APP_ERROR_CHECK(err_code); +} + +void ble_manager_conn_params_event_handler(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(ble_manager_connection_handle, BLE_HCI_CONN_INTERVAL_UNACCEPTABLE); + APP_ERROR_CHECK(err_code); + } +} + +void ble_manager_conn_params_error_handler(uint32_t nrf_error) { + APP_ERROR_HANDLER(nrf_error); +} + +void ble_manager_delete_bonds() { + ret_code_t err_code; + + NRF_LOG_INFO("Erase bonds!"); + + err_code = pm_peers_delete(); + APP_ERROR_CHECK(err_code); +} |