diff options
Diffstat (limited to 'src/Components')
-rw-r--r-- | src/Components/Ble/NimbleController.cpp | 148 | ||||
-rw-r--r-- | src/Components/Ble/NimbleController.h | 19 |
2 files changed, 167 insertions, 0 deletions
diff --git a/src/Components/Ble/NimbleController.cpp b/src/Components/Ble/NimbleController.cpp new file mode 100644 index 00000000..eaad9077 --- /dev/null +++ b/src/Components/Ble/NimbleController.cpp @@ -0,0 +1,148 @@ +#include "NimbleController.h" +#include <services/gatt/ble_svc_gatt.h> +#include <services/gap/ble_svc_gap.h> +#include <host/util/util.h> +#include <host/ble_hs_id.h> +#include <host/ble_hs.h> +#include <host/ble_gap.h> + + +using namespace Pinetime::Controllers; + +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(); + + int res; + res = ble_hs_util_ensure_addr(0); + res = ble_hs_id_infer_auto(0, &addrType); + res = ble_svc_gap_device_name_set(deviceName); +} + +void NimbleController::StartAdvertising() { + ble_svc_gap_device_name_set("Pinetime-JF"); + + /* 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.num_uuids128 = 0; + fields.uuids128_is_complete = 0;; + fields.tx_pwr_lvl = BLE_HS_ADV_TX_PWR_LVL_AUTO; + + rsp_fields.name = (uint8_t *)"Pinetime-JF"; + rsp_fields.name_len = strlen("Pinetime-JF"); + rsp_fields.name_is_complete = 1; + + int res; + res = ble_gap_adv_set_fields(&fields); + assert(res == 0); + + res = ble_gap_adv_rsp_set_fields(&rsp_fields); + + res = ble_gap_adv_start(addrType, NULL, 10000, + &adv_params, GAPEventCallback, this); + + +} + +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=%d", event->adv_complete.reason); + StartAdvertising(); + 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(); + } + } + 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. */ + 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; + default: + NRF_LOG_INFO("Advertising event : %d", event->type); + break; + } + return 0; +} + diff --git a/src/Components/Ble/NimbleController.h b/src/Components/Ble/NimbleController.h new file mode 100644 index 00000000..1901b14e --- /dev/null +++ b/src/Components/Ble/NimbleController.h @@ -0,0 +1,19 @@ +#pragma once + +#include <cstdint> +#include <host/ble_gap.h> + +namespace Pinetime { + namespace Controllers { + + class NimbleController { + public: + void Init(); + void StartAdvertising(); + int OnGAPEvent(ble_gap_event *event); + private: + static constexpr char* deviceName = "Pinetime-JF"; + uint8_t addrType; + }; + } +} |