ref: 0.12.0
src/components/ble/NimbleController.cpp
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#include "NimbleController.h" #include <hal/nrf_rtc.h> #define min // workaround: nimble's min/max macros conflict with libstdc++ #define max #include <host/ble_gap.h> #include <host/ble_hs.h> #include <host/ble_hs_id.h> #include <host/util/util.h> #undef max #undef min #include <services/gap/ble_svc_gap.h> #include <services/gatt/ble_svc_gatt.h> #include "components/ble/BleController.h" #include "components/ble/NotificationManager.h" #include "components/datetime/DateTimeController.h" #include "systemtask/SystemTask.h" using namespace Pinetime::Controllers; NimbleController::NimbleController(Pinetime::System::SystemTask& systemTask, Pinetime::Controllers::Ble& bleController, DateTime& dateTimeController, Pinetime::Controllers::NotificationManager& notificationManager, Controllers::Battery& batteryController, Pinetime::Drivers::SpiNorFlash& spiNorFlash, Controllers::HeartRateController& heartRateController) : systemTask{systemTask}, bleController{bleController}, dateTimeController{dateTimeController}, notificationManager{notificationManager}, spiNorFlash{spiNorFlash}, dfuService{systemTask, bleController, spiNorFlash}, currentTimeClient{dateTimeController}, anService{systemTask, notificationManager}, alertNotificationClient{systemTask, notificationManager}, currentTimeService{dateTimeController}, musicService{systemTask}, navService{systemTask}, batteryInformationService{batteryController}, immediateAlertService{systemTask, notificationManager}, serviceDiscovery({¤tTimeClient, &alertNotificationClient}), heartRateService{systemTask, heartRateController} { } int GAPEventCallback(struct ble_gap_event *event, void *arg) { auto nimbleController = static_cast<NimbleController*>(arg); return nimbleController->OnGAPEvent(event); } void NimbleController::Init() { while (!ble_hs_synced()) {} ble_svc_gap_init(); ble_svc_gatt_init(); deviceInformationService.Init(); currentTimeClient.Init(); currentTimeService.Init(); musicService.Init(); navService.Init(); anService.Init(); dfuService.Init(); batteryInformationService.Init(); immediateAlertService.Init(); heartRateService.Init(); int res; res = ble_hs_util_ensure_addr(0); ASSERT(res == 0); res = ble_hs_id_infer_auto(0, &addrType); ASSERT(res == 0); res = ble_svc_gap_device_name_set(deviceName); ASSERT(res == 0); Pinetime::Controllers::Ble::BleAddress address; res = ble_hs_id_copy_addr(addrType, address.data(), nullptr); ASSERT(res == 0); bleController.AddressType((addrType == 0) ? Ble::AddressTypes::Public : Ble::AddressTypes::Random); bleController.Address(std::move(address)); res = ble_gatts_start(); ASSERT(res == 0); } void NimbleController::StartAdvertising() { if(bleController.IsConnected() || ble_gap_conn_active() || ble_gap_adv_active()) return; ble_svc_gap_device_name_set(deviceName); /* set adv parameters */ struct ble_gap_adv_params adv_params; struct ble_hs_adv_fields fields; /* advertising payload is split into advertising data and advertising response, because all data cannot fit into single packet; name of device is sent as response to scan request */ struct ble_hs_adv_fields rsp_fields; /* fill all fields and parameters with zeros */ memset(&adv_params, 0, sizeof(adv_params)); memset(&fields, 0, sizeof(fields)); memset(&rsp_fields, 0, sizeof(rsp_fields)); adv_params.conn_mode = BLE_GAP_CONN_MODE_UND; adv_params.disc_mode = BLE_GAP_DISC_MODE_GEN; fields.flags = BLE_HS_ADV_F_DISC_GEN | BLE_HS_ADV_F_BREDR_UNSUP; // fields.uuids128 = BLE_UUID128(BLE_UUID128_DECLARE( // 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, // 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff)); fields.uuids128 = &dfuServiceUuid; fields.num_uuids128 = 1; fields.uuids128_is_complete = 1; fields.tx_pwr_lvl = BLE_HS_ADV_TX_PWR_LVL_AUTO; rsp_fields.name = (uint8_t *)deviceName; rsp_fields.name_len = strlen(deviceName); rsp_fields.name_is_complete = 1; ble_gap_adv_set_fields(&fields); // ASSERT(res == 0); // TODO this one sometimes fails with error 22 (notsync) ble_gap_adv_rsp_set_fields(&rsp_fields); // ASSERT(res == 0); ble_gap_adv_start(addrType, NULL, 180000, &adv_params, GAPEventCallback, this); // ASSERT(res == 0);// TODO I've disabled these ASSERT as they sometime asserts and reset the mcu. // For now, the advertising is restarted as soon as it ends. There may be a race condition // that prevent the advertising from restarting reliably. // I remove the assert to prevent this uncesseray crash, but in the long term, the management of // the advertising should be improve (better error handling, and advertise for 3 minutes after // the application has been woken up, for example. } int NimbleController::OnGAPEvent(ble_gap_event *event) { switch (event->type) { case BLE_GAP_EVENT_ADV_COMPLETE: NRF_LOG_INFO("Advertising event : BLE_GAP_EVENT_ADV_COMPLETE"); NRF_LOG_INFO("advertise complete; reason=%dn status=%d", event->adv_complete.reason, event->connect.status); break; case BLE_GAP_EVENT_CONNECT: { NRF_LOG_INFO("Advertising event : BLE_GAP_EVENT_CONNECT"); /* A new connection was established or a connection attempt failed. */ NRF_LOG_INFO("connection %s; status=%d ", event->connect.status == 0 ? "established" : "failed", event->connect.status); if (event->connect.status != 0) { /* Connection failed; resume advertising. */ StartAdvertising(); bleController.Disconnect(); } else { bleController.Connect(); systemTask.PushMessage(Pinetime::System::SystemTask::Messages::BleConnected); connectionHandle = event->connect.conn_handle; // Service discovery is deffered via systemtask } } break; case BLE_GAP_EVENT_DISCONNECT: NRF_LOG_INFO("Advertising event : BLE_GAP_EVENT_DISCONNECT"); NRF_LOG_INFO("disconnect; reason=%d", event->disconnect.reason); /* Connection terminated; resume advertising. */ currentTimeClient.Reset(); alertNotificationClient.Reset(); connectionHandle = BLE_HS_CONN_HANDLE_NONE; bleController.Disconnect(); StartAdvertising(); break; case BLE_GAP_EVENT_CONN_UPDATE: NRF_LOG_INFO("Advertising event : BLE_GAP_EVENT_CONN_UPDATE"); /* The central has updated the connection parameters. */ NRF_LOG_INFO("connection updated; status=%d ", event->conn_update.status); break; case BLE_GAP_EVENT_ENC_CHANGE: /* Encryption has been enabled or disabled for this connection. */ NRF_LOG_INFO("encryption change event; status=%d ", event->enc_change.status); return 0; case BLE_GAP_EVENT_SUBSCRIBE: NRF_LOG_INFO("subscribe event; conn_handle=%d attr_handle=%d " "reason=%d prevn=%d curn=%d previ=%d curi=???\n", event->subscribe.conn_handle, event->subscribe.attr_handle, event->subscribe.reason, event->subscribe.prev_notify, event->subscribe.cur_notify, event->subscribe.prev_indicate); return 0; case BLE_GAP_EVENT_MTU: NRF_LOG_INFO("mtu update event; conn_handle=%d cid=%d mtu=%d\n", event->mtu.conn_handle, event->mtu.channel_id, event->mtu.value); return 0; case BLE_GAP_EVENT_REPEAT_PAIRING: { /* We already have a bond with the peer, but it is attempting to * establish a new secure link. This app sacrifices security for * convenience: just throw away the old bond and accept the new link. */ /* Delete the old bond. */ struct ble_gap_conn_desc desc; ble_gap_conn_find(event->repeat_pairing.conn_handle, &desc); ble_store_util_delete_peer(&desc.peer_id_addr); /* Return BLE_GAP_REPEAT_PAIRING_RETRY to indicate that the host should * continue with the pairing operation. */ } return BLE_GAP_REPEAT_PAIRING_RETRY; case BLE_GAP_EVENT_NOTIFY_RX: { /* Peer sent us a notification or indication. */ size_t notifSize = OS_MBUF_PKTLEN(event->notify_rx.om); NRF_LOG_INFO("received %s; conn_handle=%d attr_handle=%d " "attr_len=%d", event->notify_rx.indication ? "indication" : "notification", event->notify_rx.conn_handle, event->notify_rx.attr_handle, notifSize); alertNotificationClient.OnNotification(event); return 0; } /* Attribute data is contained in event->notify_rx.attr_data. */ default: // NRF_LOG_INFO("Advertising event : %d", event->type); break; } return 0; } void NimbleController::StartDiscovery() { serviceDiscovery.StartDiscovery(connectionHandle); } uint16_t NimbleController::connHandle() { return connectionHandle; } |