diff options
Diffstat (limited to 'src/libs/mynewt-nimble/apps/bleprph/src/main.c')
| -rw-r--r-- | src/libs/mynewt-nimble/apps/bleprph/src/main.c | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/src/libs/mynewt-nimble/apps/bleprph/src/main.c b/src/libs/mynewt-nimble/apps/bleprph/src/main.c new file mode 100644 index 0000000..66f9bac --- /dev/null +++ b/src/libs/mynewt-nimble/apps/bleprph/src/main.c @@ -0,0 +1,359 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +#include <assert.h> +#include <string.h> +#include <stdio.h> +#include <errno.h> +#include "os/mynewt.h" +#include "bsp/bsp.h" +#include "hal/hal_gpio.h" +#include "console/console.h" +#include "hal/hal_system.h" +#include "config/config.h" +#include "split/split.h" +#if MYNEWT_VAL(BLE_SVC_DIS_FIRMWARE_REVISION_READ_PERM) >= 0 +#include "bootutil/image.h" +#include "imgmgr/imgmgr.h" +#include "services/dis/ble_svc_dis.h" +#endif + +/* BLE */ +#include "nimble/ble.h" +#include "host/ble_hs.h" +#include "host/util/util.h" +#include "services/gap/ble_svc_gap.h" + +/* Application-specified header. */ +#include "bleprph.h" + +static int bleprph_gap_event(struct ble_gap_event *event, void *arg); + +/** + * Logs information about a connection to the console. + */ +static void +bleprph_print_conn_desc(struct ble_gap_conn_desc *desc) +{ + MODLOG_DFLT(INFO, "handle=%d our_ota_addr_type=%d our_ota_addr=", + desc->conn_handle, desc->our_ota_addr.type); + print_addr(desc->our_ota_addr.val); + MODLOG_DFLT(INFO, " our_id_addr_type=%d our_id_addr=", + desc->our_id_addr.type); + print_addr(desc->our_id_addr.val); + MODLOG_DFLT(INFO, " peer_ota_addr_type=%d peer_ota_addr=", + desc->peer_ota_addr.type); + print_addr(desc->peer_ota_addr.val); + MODLOG_DFLT(INFO, " peer_id_addr_type=%d peer_id_addr=", + desc->peer_id_addr.type); + print_addr(desc->peer_id_addr.val); + MODLOG_DFLT(INFO, " conn_itvl=%d conn_latency=%d supervision_timeout=%d " + "encrypted=%d authenticated=%d bonded=%d\n", + desc->conn_itvl, desc->conn_latency, + desc->supervision_timeout, + desc->sec_state.encrypted, + desc->sec_state.authenticated, + desc->sec_state.bonded); +} + +/** + * Enables advertising with the following parameters: + * o General discoverable mode. + * o Undirected connectable mode. + */ +static void +bleprph_advertise(void) +{ + uint8_t own_addr_type; + struct ble_gap_adv_params adv_params; + struct ble_hs_adv_fields fields; + const char *name; + int rc; + + /* Figure out address to use while advertising (no privacy for now) */ + rc = ble_hs_id_infer_auto(0, &own_addr_type); + if (rc != 0) { + MODLOG_DFLT(ERROR, "error determining address type; rc=%d\n", rc); + return; + } + + /** + * Set the advertisement data included in our advertisements: + * o Flags (indicates advertisement type and other general info). + * o Advertising tx power. + * o Device name. + * o 16-bit service UUIDs (alert notifications). + */ + + memset(&fields, 0, sizeof fields); + + /* Advertise two flags: + * o Discoverability in forthcoming advertisement (general) + * o BLE-only (BR/EDR unsupported). + */ + fields.flags = BLE_HS_ADV_F_DISC_GEN | + BLE_HS_ADV_F_BREDR_UNSUP; + + /* Indicate that the TX power level field should be included; have the + * stack fill this value automatically. This is done by assiging the + * special value BLE_HS_ADV_TX_PWR_LVL_AUTO. + */ + fields.tx_pwr_lvl_is_present = 1; + fields.tx_pwr_lvl = BLE_HS_ADV_TX_PWR_LVL_AUTO; + + name = ble_svc_gap_device_name(); + fields.name = (uint8_t *)name; + fields.name_len = strlen(name); + fields.name_is_complete = 1; + + fields.uuids16 = (ble_uuid16_t[]){ + BLE_UUID16_INIT(GATT_SVR_SVC_ALERT_UUID) + }; + fields.num_uuids16 = 1; + fields.uuids16_is_complete = 1; + + rc = ble_gap_adv_set_fields(&fields); + if (rc != 0) { + MODLOG_DFLT(ERROR, "error setting advertisement data; rc=%d\n", rc); + return; + } + + /* Begin advertising. */ + memset(&adv_params, 0, sizeof adv_params); + adv_params.conn_mode = BLE_GAP_CONN_MODE_UND; + adv_params.disc_mode = BLE_GAP_DISC_MODE_GEN; + rc = ble_gap_adv_start(own_addr_type, NULL, BLE_HS_FOREVER, + &adv_params, bleprph_gap_event, NULL); + if (rc != 0) { + MODLOG_DFLT(ERROR, "error enabling advertisement; rc=%d\n", rc); + return; + } +} + +/** + * The nimble host executes this callback when a GAP event occurs. The + * application associates a GAP event callback with each connection that forms. + * bleprph uses the same callback for all connections. + * + * @param event The type of event being signalled. + * @param ctxt Various information pertaining to the event. + * @param arg Application-specified argument; unuesd by + * bleprph. + * + * @return 0 if the application successfully handled the + * event; nonzero on failure. The semantics + * of the return code is specific to the + * particular GAP event being signalled. + */ +static int +bleprph_gap_event(struct ble_gap_event *event, void *arg) +{ + struct ble_gap_conn_desc desc; + int rc; + + switch (event->type) { + case BLE_GAP_EVENT_CONNECT: + /* A new connection was established or a connection attempt failed. */ + MODLOG_DFLT(INFO, "connection %s; status=%d ", + event->connect.status == 0 ? "established" : "failed", + event->connect.status); + if (event->connect.status == 0) { + rc = ble_gap_conn_find(event->connect.conn_handle, &desc); + assert(rc == 0); + bleprph_print_conn_desc(&desc); + +#if MYNEWT_VAL(BLEPRPH_LE_PHY_SUPPORT) + phy_conn_changed(event->connect.conn_handle); +#endif + } + MODLOG_DFLT(INFO, "\n"); + + if (event->connect.status != 0) { + /* Connection failed; resume advertising. */ + bleprph_advertise(); + } + return 0; + + case BLE_GAP_EVENT_DISCONNECT: + MODLOG_DFLT(INFO, "disconnect; reason=%d ", event->disconnect.reason); + bleprph_print_conn_desc(&event->disconnect.conn); + MODLOG_DFLT(INFO, "\n"); + +#if MYNEWT_VAL(BLEPRPH_LE_PHY_SUPPORT) + phy_conn_changed(CONN_HANDLE_INVALID); +#endif + + /* Connection terminated; resume advertising. */ + bleprph_advertise(); + return 0; + + case BLE_GAP_EVENT_CONN_UPDATE: + /* The central has updated the connection parameters. */ + MODLOG_DFLT(INFO, "connection updated; status=%d ", + event->conn_update.status); + rc = ble_gap_conn_find(event->conn_update.conn_handle, &desc); + assert(rc == 0); + bleprph_print_conn_desc(&desc); + MODLOG_DFLT(INFO, "\n"); + return 0; + + case BLE_GAP_EVENT_ADV_COMPLETE: + MODLOG_DFLT(INFO, "advertise complete; reason=%d", + event->adv_complete.reason); + bleprph_advertise(); + return 0; + + case BLE_GAP_EVENT_ENC_CHANGE: + /* Encryption has been enabled or disabled for this connection. */ + MODLOG_DFLT(INFO, "encryption change event; status=%d ", + event->enc_change.status); + rc = ble_gap_conn_find(event->connect.conn_handle, &desc); + assert(rc == 0); + bleprph_print_conn_desc(&desc); + MODLOG_DFLT(INFO, "\n"); + return 0; + + case BLE_GAP_EVENT_SUBSCRIBE: + MODLOG_DFLT(INFO, "subscribe event; conn_handle=%d attr_handle=%d " + "reason=%d prevn=%d curn=%d previ=%d curi=%d\n", + event->subscribe.conn_handle, + event->subscribe.attr_handle, + event->subscribe.reason, + event->subscribe.prev_notify, + event->subscribe.cur_notify, + event->subscribe.prev_indicate, + event->subscribe.cur_indicate); + return 0; + + case BLE_GAP_EVENT_MTU: + MODLOG_DFLT(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. */ + rc = ble_gap_conn_find(event->repeat_pairing.conn_handle, &desc); + assert(rc == 0); + 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; + +#if MYNEWT_VAL(BLEPRPH_LE_PHY_SUPPORT) + case BLE_GAP_EVENT_PHY_UPDATE_COMPLETE: + /* XXX: assume symmetric phy for now */ + phy_update(event->phy_updated.tx_phy); + return 0; +#endif + } + + return 0; +} + +static void +bleprph_on_reset(int reason) +{ + MODLOG_DFLT(ERROR, "Resetting state; reason=%d\n", reason); +} + +static void +bleprph_on_sync(void) +{ + int rc; + + /* Make sure we have proper identity address set (public preferred) */ + rc = ble_hs_util_ensure_addr(0); + assert(rc == 0); + + /* Begin advertising. */ + bleprph_advertise(); +} + +/** + * main + * + * The main task for the project. This function initializes the packages, + * then starts serving events from default event queue. + * + * @return int NOTE: this function should never return! + */ +int +main(void) +{ +#if MYNEWT_VAL(BLE_SVC_DIS_FIRMWARE_REVISION_READ_PERM) >= 0 + struct image_version ver; + static char ver_str[IMGMGR_NMGR_MAX_VER]; +#endif + int rc; + + /* Initialize OS */ + sysinit(); + + /* Initialize the NimBLE host configuration. */ + ble_hs_cfg.reset_cb = bleprph_on_reset; + ble_hs_cfg.sync_cb = bleprph_on_sync; + ble_hs_cfg.gatts_register_cb = gatt_svr_register_cb; + ble_hs_cfg.store_status_cb = ble_store_util_status_rr; + + rc = gatt_svr_init(); + assert(rc == 0); + +#if MYNEWT_VAL(BLE_SVC_DIS_FIRMWARE_REVISION_READ_PERM) >= 0 + /* Set firmware version in DIS */ + imgr_my_version(&ver); + imgr_ver_str(&ver, ver_str); + ble_svc_dis_firmware_revision_set(ver_str); +#endif + +#if MYNEWT_VAL(BLEPRPH_LE_PHY_SUPPORT) + phy_init(); +#endif + + conf_load(); + + /* If this app is acting as the loader in a split image setup, jump into + * the second stage application instead of starting the OS. + */ +#if MYNEWT_VAL(SPLIT_LOADER) + { + void *entry; + rc = split_app_go(&entry, true); + if (rc == 0) { + hal_system_start(entry); + } + } +#endif + + /* + * As the last thing, process events from default event queue. + */ + while (1) { + os_eventq_run(os_eventq_dflt_get()); + } + return 0; +} |
