From bdc10744fb338ae197692713a0b48a7ccc36f566 Mon Sep 17 00:00:00 2001 From: JF Date: Sun, 26 Apr 2020 10:25:59 +0200 Subject: Add Nimble in libs directory --- src/libs/mynewt-nimble/apps/blecent/pkg.yml | 36 + src/libs/mynewt-nimble/apps/blecent/src/blecent.h | 111 +++ src/libs/mynewt-nimble/apps/blecent/src/main.c | 525 ++++++++++++++ src/libs/mynewt-nimble/apps/blecent/src/misc.c | 209 ++++++ src/libs/mynewt-nimble/apps/blecent/src/peer.c | 807 ++++++++++++++++++++++ src/libs/mynewt-nimble/apps/blecent/syscfg.yml | 30 + 6 files changed, 1718 insertions(+) create mode 100644 src/libs/mynewt-nimble/apps/blecent/pkg.yml create mode 100644 src/libs/mynewt-nimble/apps/blecent/src/blecent.h create mode 100644 src/libs/mynewt-nimble/apps/blecent/src/main.c create mode 100644 src/libs/mynewt-nimble/apps/blecent/src/misc.c create mode 100644 src/libs/mynewt-nimble/apps/blecent/src/peer.c create mode 100644 src/libs/mynewt-nimble/apps/blecent/syscfg.yml (limited to 'src/libs/mynewt-nimble/apps/blecent') diff --git a/src/libs/mynewt-nimble/apps/blecent/pkg.yml b/src/libs/mynewt-nimble/apps/blecent/pkg.yml new file mode 100644 index 00000000..dd574395 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blecent/pkg.yml @@ -0,0 +1,36 @@ +# 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. +# +pkg.name: apps/blecent +pkg.type: app +pkg.description: Simple BLE central application. +pkg.author: "Apache Mynewt " +pkg.homepage: "http://mynewt.apache.org/" +pkg.keywords: + +pkg.deps: + - "@apache-mynewt-core/kernel/os" + - "@apache-mynewt-core/sys/console/full" + - "@apache-mynewt-core/sys/log/full" + - "@apache-mynewt-core/sys/log/modlog" + - "@apache-mynewt-core/sys/stats/full" + - nimble/host + - nimble/host/util + - nimble/host/services/gap + - nimble/host/services/gatt + - nimble/host/store/ram + - nimble/transport diff --git a/src/libs/mynewt-nimble/apps/blecent/src/blecent.h b/src/libs/mynewt-nimble/apps/blecent/src/blecent.h new file mode 100644 index 00000000..a694f402 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blecent/src/blecent.h @@ -0,0 +1,111 @@ +/* + * 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. + */ + +#ifndef H_BLECENT_ +#define H_BLECENT_ + +#include "os/mynewt.h" +#include "modlog/modlog.h" +#ifdef __cplusplus +extern "C" { +#endif + +struct ble_hs_adv_fields; +struct ble_gap_conn_desc; +struct ble_hs_cfg; +union ble_store_value; +union ble_store_key; + +#define BLECENT_SVC_ALERT_UUID 0x1811 +#define BLECENT_CHR_SUP_NEW_ALERT_CAT_UUID 0x2A47 +#define BLECENT_CHR_NEW_ALERT 0x2A46 +#define BLECENT_CHR_SUP_UNR_ALERT_CAT_UUID 0x2A48 +#define BLECENT_CHR_UNR_ALERT_STAT_UUID 0x2A45 +#define BLECENT_CHR_ALERT_NOT_CTRL_PT 0x2A44 + +/** Misc. */ +void print_bytes(const uint8_t *bytes, int len); +void print_mbuf(const struct os_mbuf *om); +char *addr_str(const void *addr); +void print_uuid(const ble_uuid_t *uuid); +void print_conn_desc(const struct ble_gap_conn_desc *desc); +void print_adv_fields(const struct ble_hs_adv_fields *fields); + +/** Peer. */ +struct peer_dsc { + SLIST_ENTRY(peer_dsc) next; + struct ble_gatt_dsc dsc; +}; +SLIST_HEAD(peer_dsc_list, peer_dsc); + +struct peer_chr { + SLIST_ENTRY(peer_chr) next; + struct ble_gatt_chr chr; + + struct peer_dsc_list dscs; +}; +SLIST_HEAD(peer_chr_list, peer_chr); + +struct peer_svc { + SLIST_ENTRY(peer_svc) next; + struct ble_gatt_svc svc; + + struct peer_chr_list chrs; +}; +SLIST_HEAD(peer_svc_list, peer_svc); + +struct peer; +typedef void peer_disc_fn(const struct peer *peer, int status, void *arg); + +struct peer { + SLIST_ENTRY(peer) next; + + uint16_t conn_handle; + + /** List of discovered GATT services. */ + struct peer_svc_list svcs; + + /** Keeps track of where we are in the service discovery process. */ + uint16_t disc_prev_chr_val; + struct peer_svc *cur_svc; + + /** Callback that gets executed when service discovery completes. */ + peer_disc_fn *disc_cb; + void *disc_cb_arg; +}; + +int peer_disc_all(uint16_t conn_handle, peer_disc_fn *disc_cb, + void *disc_cb_arg); +const struct peer_dsc * +peer_dsc_find_uuid(const struct peer *peer, const ble_uuid_t *svc_uuid, + const ble_uuid_t *chr_uuid, const ble_uuid_t *dsc_uuid); +const struct peer_chr * +peer_chr_find_uuid(const struct peer *peer, const ble_uuid_t *svc_uuid, + const ble_uuid_t *chr_uuid); +const struct peer_svc * +peer_svc_find_uuid(const struct peer *peer, const ble_uuid_t *uuid); +int peer_delete(uint16_t conn_handle); +int peer_add(uint16_t conn_handle); +int peer_init(int max_peers, int max_svcs, int max_chrs, int max_dscs); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libs/mynewt-nimble/apps/blecent/src/main.c b/src/libs/mynewt-nimble/apps/blecent/src/main.c new file mode 100644 index 00000000..788f2115 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blecent/src/main.c @@ -0,0 +1,525 @@ +/* + * 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 +#include +#include "os/mynewt.h" +#include "bsp/bsp.h" + +/* BLE */ +#include "nimble/ble.h" +#include "host/ble_hs.h" +#include "host/util/util.h" + +/* Mandatory services. */ +#include "services/gap/ble_svc_gap.h" +#include "services/gatt/ble_svc_gatt.h" + +/* Application-specified header. */ +#include "blecent.h" + +static int blecent_gap_event(struct ble_gap_event *event, void *arg); + +/** + * Application callback. Called when the read of the ANS Supported New Alert + * Category characteristic has completed. + */ +static int +blecent_on_read(uint16_t conn_handle, + const struct ble_gatt_error *error, + struct ble_gatt_attr *attr, + void *arg) +{ + MODLOG_DFLT(INFO, "Read complete; status=%d conn_handle=%d", error->status, + conn_handle); + if (error->status == 0) { + MODLOG_DFLT(INFO, " attr_handle=%d value=", attr->handle); + print_mbuf(attr->om); + } + MODLOG_DFLT(INFO, "\n"); + + return 0; +} + +/** + * Application callback. Called when the write to the ANS Alert Notification + * Control Point characteristic has completed. + */ +static int +blecent_on_write(uint16_t conn_handle, + const struct ble_gatt_error *error, + struct ble_gatt_attr *attr, + void *arg) +{ + MODLOG_DFLT(INFO, + "Write complete; status=%d conn_handle=%d attr_handle=%d\n", + error->status, conn_handle, attr->handle); + + return 0; +} + +/** + * Application callback. Called when the attempt to subscribe to notifications + * for the ANS Unread Alert Status characteristic has completed. + */ +static int +blecent_on_subscribe(uint16_t conn_handle, + const struct ble_gatt_error *error, + struct ble_gatt_attr *attr, + void *arg) +{ + MODLOG_DFLT(INFO, "Subscribe complete; status=%d conn_handle=%d " + "attr_handle=%d\n", + error->status, conn_handle, attr->handle); + + return 0; +} + +/** + * Performs three concurrent GATT operations against the specified peer: + * 1. Reads the ANS Supported New Alert Category characteristic. + * 2. Writes the ANS Alert Notification Control Point characteristic. + * 3. Subscribes to notifications for the ANS Unread Alert Status + * characteristic. + * + * If the peer does not support a required service, characteristic, or + * descriptor, then the peer lied when it claimed support for the alert + * notification service! When this happens, or if a GATT procedure fails, + * this function immediately terminates the connection. + */ +static void +blecent_read_write_subscribe(const struct peer *peer) +{ + const struct peer_chr *chr; + const struct peer_dsc *dsc; + uint8_t value[2]; + int rc; + + /* Read the supported-new-alert-category characteristic. */ + chr = peer_chr_find_uuid(peer, + BLE_UUID16_DECLARE(BLECENT_SVC_ALERT_UUID), + BLE_UUID16_DECLARE(BLECENT_CHR_SUP_NEW_ALERT_CAT_UUID)); + if (chr == NULL) { + MODLOG_DFLT(ERROR, "Error: Peer doesn't support the Supported New " + "Alert Category characteristic\n"); + goto err; + } + + rc = ble_gattc_read(peer->conn_handle, chr->chr.val_handle, + blecent_on_read, NULL); + if (rc != 0) { + MODLOG_DFLT(ERROR, "Error: Failed to read characteristic; rc=%d\n", + rc); + goto err; + } + + /* Write two bytes (99, 100) to the alert-notification-control-point + * characteristic. + */ + chr = peer_chr_find_uuid(peer, + BLE_UUID16_DECLARE(BLECENT_SVC_ALERT_UUID), + BLE_UUID16_DECLARE(BLECENT_CHR_ALERT_NOT_CTRL_PT)); + if (chr == NULL) { + MODLOG_DFLT(ERROR, "Error: Peer doesn't support the Alert " + "Notification Control Point characteristic\n"); + goto err; + } + + value[0] = 99; + value[1] = 100; + rc = ble_gattc_write_flat(peer->conn_handle, chr->chr.val_handle, + value, sizeof value, blecent_on_write, NULL); + if (rc != 0) { + MODLOG_DFLT(ERROR, "Error: Failed to write characteristic; rc=%d\n", + rc); + } + + /* Subscribe to notifications for the Unread Alert Status characteristic. + * A central enables notifications by writing two bytes (1, 0) to the + * characteristic's client-characteristic-configuration-descriptor (CCCD). + */ + dsc = peer_dsc_find_uuid(peer, + BLE_UUID16_DECLARE(BLECENT_SVC_ALERT_UUID), + BLE_UUID16_DECLARE(BLECENT_CHR_UNR_ALERT_STAT_UUID), + BLE_UUID16_DECLARE(BLE_GATT_DSC_CLT_CFG_UUID16)); + if (dsc == NULL) { + MODLOG_DFLT(ERROR, "Error: Peer lacks a CCCD for the Unread Alert " + "Status characteristic\n"); + goto err; + } + + value[0] = 1; + value[1] = 0; + rc = ble_gattc_write_flat(peer->conn_handle, dsc->dsc.handle, + value, sizeof value, blecent_on_subscribe, NULL); + if (rc != 0) { + MODLOG_DFLT(ERROR, "Error: Failed to subscribe to characteristic; " + "rc=%d\n", rc); + goto err; + } + + return; + +err: + /* Terminate the connection. */ + ble_gap_terminate(peer->conn_handle, BLE_ERR_REM_USER_CONN_TERM); +} + +/** + * Called when service discovery of the specified peer has completed. + */ +static void +blecent_on_disc_complete(const struct peer *peer, int status, void *arg) +{ + + if (status != 0) { + /* Service discovery failed. Terminate the connection. */ + MODLOG_DFLT(ERROR, "Error: Service discovery failed; status=%d " + "conn_handle=%d\n", status, peer->conn_handle); + ble_gap_terminate(peer->conn_handle, BLE_ERR_REM_USER_CONN_TERM); + return; + } + + /* Service discovery has completed successfully. Now we have a complete + * list of services, characteristics, and descriptors that the peer + * supports. + */ + MODLOG_DFLT(ERROR, "Service discovery complete; status=%d " + "conn_handle=%d\n", status, peer->conn_handle); + + /* Now perform three concurrent GATT procedures against the peer: read, + * write, and subscribe to notifications. + */ + blecent_read_write_subscribe(peer); +} + +/** + * Initiates the GAP general discovery procedure. + */ +static void +blecent_scan(void) +{ + uint8_t own_addr_type; + struct ble_gap_disc_params disc_params; + 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; + } + + /* Tell the controller to filter duplicates; we don't want to process + * repeated advertisements from the same device. + */ + disc_params.filter_duplicates = 1; + + /** + * Perform a passive scan. I.e., don't send follow-up scan requests to + * each advertiser. + */ + disc_params.passive = 1; + + /* Use defaults for the rest of the parameters. */ + disc_params.itvl = 0; + disc_params.window = 0; + disc_params.filter_policy = 0; + disc_params.limited = 0; + + rc = ble_gap_disc(own_addr_type, BLE_HS_FOREVER, &disc_params, + blecent_gap_event, NULL); + if (rc != 0) { + MODLOG_DFLT(ERROR, "Error initiating GAP discovery procedure; rc=%d\n", + rc); + } +} + +/** + * Indicates whether we should tre to connect to the sender of the specified + * advertisement. The function returns a positive result if the device + * advertises connectability and support for the Alert Notification service. + */ +static int +blecent_should_connect(const struct ble_gap_disc_desc *disc) +{ + struct ble_hs_adv_fields fields; + int rc; + int i; + + /* The device has to be advertising connectability. */ + if (disc->event_type != BLE_HCI_ADV_RPT_EVTYPE_ADV_IND && + disc->event_type != BLE_HCI_ADV_RPT_EVTYPE_DIR_IND) { + + return 0; + } + + rc = ble_hs_adv_parse_fields(&fields, disc->data, disc->length_data); + if (rc != 0) { + return rc; + } + + /* The device has to advertise support for the Alert Notification + * service (0x1811). + */ + for (i = 0; i < fields.num_uuids16; i++) { + if (ble_uuid_u16(&fields.uuids16[i].u) == BLECENT_SVC_ALERT_UUID) { + return 1; + } + } + + return 0; +} + +/** + * Connects to the sender of the specified advertisement of it looks + * interesting. A device is "interesting" if it advertises connectability and + * support for the Alert Notification service. + */ +static void +blecent_connect_if_interesting(const struct ble_gap_disc_desc *disc) +{ + uint8_t own_addr_type; + int rc; + + /* Don't do anything if we don't care about this advertiser. */ + if (!blecent_should_connect(disc)) { + return; + } + + /* Scanning must be stopped before a connection can be initiated. */ + rc = ble_gap_disc_cancel(); + if (rc != 0) { + MODLOG_DFLT(DEBUG, "Failed to cancel scan; rc=%d\n", rc); + return; + } + + /* Figure out address to use for connect (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; + } + + /* Try to connect the the advertiser. Allow 30 seconds (30000 ms) for + * timeout. + */ + rc = ble_gap_connect(own_addr_type, &disc->addr, 30000, NULL, + blecent_gap_event, NULL); + if (rc != 0) { + MODLOG_DFLT(ERROR, "Error: Failed to connect to device; addr_type=%d " + "addr=%s\n; rc=%d", + disc->addr.type, addr_str(disc->addr.val), rc); + return; + } +} + +/** + * The nimble host executes this callback when a GAP event occurs. The + * application associates a GAP event callback with each connection that is + * established. blecent uses the same callback for all connections. + * + * @param event The event being signalled. + * @param arg Application-specified argument; unused by + * blecent. + * + * @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 +blecent_gap_event(struct ble_gap_event *event, void *arg) +{ + struct ble_gap_conn_desc desc; + struct ble_hs_adv_fields fields; + int rc; + + switch (event->type) { + case BLE_GAP_EVENT_DISC: + rc = ble_hs_adv_parse_fields(&fields, event->disc.data, + event->disc.length_data); + if (rc != 0) { + return 0; + } + + /* An advertisment report was received during GAP discovery. */ + print_adv_fields(&fields); + + /* Try to connect to the advertiser if it looks interesting. */ + blecent_connect_if_interesting(&event->disc); + return 0; + + case BLE_GAP_EVENT_CONNECT: + /* A new connection was established or a connection attempt failed. */ + if (event->connect.status == 0) { + /* Connection successfully established. */ + MODLOG_DFLT(INFO, "Connection established "); + + rc = ble_gap_conn_find(event->connect.conn_handle, &desc); + assert(rc == 0); + print_conn_desc(&desc); + MODLOG_DFLT(INFO, "\n"); + + /* Remember peer. */ + rc = peer_add(event->connect.conn_handle); + if (rc != 0) { + MODLOG_DFLT(ERROR, "Failed to add peer; rc=%d\n", rc); + return 0; + } + + /* Perform service discovery. */ + rc = peer_disc_all(event->connect.conn_handle, + blecent_on_disc_complete, NULL); + if (rc != 0) { + MODLOG_DFLT(ERROR, "Failed to discover services; rc=%d\n", rc); + return 0; + } + } else { + /* Connection attempt failed; resume scanning. */ + MODLOG_DFLT(ERROR, "Error: Connection failed; status=%d\n", + event->connect.status); + blecent_scan(); + } + + return 0; + + case BLE_GAP_EVENT_DISCONNECT: + /* Connection terminated. */ + MODLOG_DFLT(INFO, "disconnect; reason=%d ", event->disconnect.reason); + print_conn_desc(&event->disconnect.conn); + MODLOG_DFLT(INFO, "\n"); + + /* Forget about peer. */ + peer_delete(event->disconnect.conn.conn_handle); + + /* Resume scanning. */ + blecent_scan(); + return 0; + + case BLE_GAP_EVENT_DISC_COMPLETE: + MODLOG_DFLT(INFO, "discovery complete; reason=%d\n", + event->disc_complete.reason); + 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->enc_change.conn_handle, &desc); + assert(rc == 0); + print_conn_desc(&desc); + return 0; + + case BLE_GAP_EVENT_NOTIFY_RX: + /* Peer sent us a notification or indication. */ + MODLOG_DFLT(INFO, "received %s; conn_handle=%d attr_handle=%d " + "attr_len=%d\n", + event->notify_rx.indication ? + "indication" : + "notification", + event->notify_rx.conn_handle, + event->notify_rx.attr_handle, + OS_MBUF_PKTLEN(event->notify_rx.om)); + + /* Attribute data is contained in event->notify_rx.attr_data. */ + 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; + + default: + return 0; + } +} + +static void +blecent_on_reset(int reason) +{ + MODLOG_DFLT(ERROR, "Resetting state; reason=%d\n", reason); +} + +static void +blecent_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 scanning for a peripheral to connect to. */ + blecent_scan(); +} + +/** + * main + * + * All application logic and NimBLE host work is performed in default task. + * + * @return int NOTE: this function should never return! + */ +int +main(void) +{ + int rc; + + /* Initialize OS */ + sysinit(); + + /* Configure the host. */ + ble_hs_cfg.reset_cb = blecent_on_reset; + ble_hs_cfg.sync_cb = blecent_on_sync; + ble_hs_cfg.store_status_cb = ble_store_util_status_rr; + + /* Initialize data structures to track connected peers. */ + rc = peer_init(MYNEWT_VAL(BLE_MAX_CONNECTIONS), 64, 64, 64); + assert(rc == 0); + + /* Set the default device name. */ + rc = ble_svc_gap_device_name_set("nimble-blecent"); + assert(rc == 0); + + /* os start should never return. If it does, this should be an error */ + while (1) { + os_eventq_run(os_eventq_dflt_get()); + } + + return 0; +} diff --git a/src/libs/mynewt-nimble/apps/blecent/src/misc.c b/src/libs/mynewt-nimble/apps/blecent/src/misc.c new file mode 100644 index 00000000..6813a122 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blecent/src/misc.c @@ -0,0 +1,209 @@ +/* + * 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 +#include +#include +#include "host/ble_hs.h" +#include "host/ble_uuid.h" +#include "blecent.h" + +/** + * Utility function to log an array of bytes. + */ +void +print_bytes(const uint8_t *bytes, int len) +{ + int i; + + for (i = 0; i < len; i++) { + MODLOG_DFLT(DEBUG, "%s0x%02x", i != 0 ? ":" : "", bytes[i]); + } +} + +void +print_mbuf(const struct os_mbuf *om) +{ + int colon; + + colon = 0; + while (om != NULL) { + if (colon) { + MODLOG_DFLT(DEBUG, ":"); + } else { + colon = 1; + } + print_bytes(om->om_data, om->om_len); + om = SLIST_NEXT(om, om_next); + } +} + +char * +addr_str(const void *addr) +{ + static char buf[6 * 2 + 5 + 1]; + const uint8_t *u8p; + + u8p = addr; + sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x", + u8p[5], u8p[4], u8p[3], u8p[2], u8p[1], u8p[0]); + + return buf; +} + +void +print_uuid(const ble_uuid_t *uuid) +{ + char buf[BLE_UUID_STR_LEN]; + + MODLOG_DFLT(DEBUG, "%s", ble_uuid_to_str(uuid, buf)); +} + +/** + * Logs information about a connection to the console. + */ +void +print_conn_desc(const struct ble_gap_conn_desc *desc) +{ + MODLOG_DFLT(DEBUG, "handle=%d our_ota_addr_type=%d our_ota_addr=%s ", + desc->conn_handle, desc->our_ota_addr.type, + addr_str(desc->our_ota_addr.val)); + MODLOG_DFLT(DEBUG, "our_id_addr_type=%d our_id_addr=%s ", + desc->our_id_addr.type, addr_str(desc->our_id_addr.val)); + MODLOG_DFLT(DEBUG, "peer_ota_addr_type=%d peer_ota_addr=%s ", + desc->peer_ota_addr.type, addr_str(desc->peer_ota_addr.val)); + MODLOG_DFLT(DEBUG, "peer_id_addr_type=%d peer_id_addr=%s ", + desc->peer_id_addr.type, addr_str(desc->peer_id_addr.val)); + MODLOG_DFLT(DEBUG, "conn_itvl=%d conn_latency=%d supervision_timeout=%d " + "encrypted=%d authenticated=%d bonded=%d", + desc->conn_itvl, desc->conn_latency, + desc->supervision_timeout, + desc->sec_state.encrypted, + desc->sec_state.authenticated, + desc->sec_state.bonded); +} + + +void +print_adv_fields(const struct ble_hs_adv_fields *fields) +{ + char s[BLE_HS_ADV_MAX_SZ]; + const uint8_t *u8p; + int i; + + if (fields->flags != 0) { + MODLOG_DFLT(DEBUG, " flags=0x%02x\n", fields->flags); + } + + if (fields->uuids16 != NULL) { + MODLOG_DFLT(DEBUG, " uuids16(%scomplete)=", + fields->uuids16_is_complete ? "" : "in"); + for (i = 0; i < fields->num_uuids16; i++) { + print_uuid(&fields->uuids16[i].u); + MODLOG_DFLT(DEBUG, " "); + } + MODLOG_DFLT(DEBUG, "\n"); + } + + if (fields->uuids32 != NULL) { + MODLOG_DFLT(DEBUG, " uuids32(%scomplete)=", + fields->uuids32_is_complete ? "" : "in"); + for (i = 0; i < fields->num_uuids32; i++) { + print_uuid(&fields->uuids32[i].u); + MODLOG_DFLT(DEBUG, " "); + } + MODLOG_DFLT(DEBUG, "\n"); + } + + if (fields->uuids128 != NULL) { + MODLOG_DFLT(DEBUG, " uuids128(%scomplete)=", + fields->uuids128_is_complete ? "" : "in"); + for (i = 0; i < fields->num_uuids128; i++) { + print_uuid(&fields->uuids128[i].u); + MODLOG_DFLT(DEBUG, " "); + } + MODLOG_DFLT(DEBUG, "\n"); + } + + if (fields->name != NULL) { + assert(fields->name_len < sizeof s - 1); + memcpy(s, fields->name, fields->name_len); + s[fields->name_len] = '\0'; + MODLOG_DFLT(DEBUG, " name(%scomplete)=%s\n", + fields->name_is_complete ? "" : "in", s); + } + + if (fields->tx_pwr_lvl_is_present) { + MODLOG_DFLT(DEBUG, " tx_pwr_lvl=%d\n", fields->tx_pwr_lvl); + } + + if (fields->slave_itvl_range != NULL) { + MODLOG_DFLT(DEBUG, " slave_itvl_range="); + print_bytes(fields->slave_itvl_range, BLE_HS_ADV_SLAVE_ITVL_RANGE_LEN); + MODLOG_DFLT(DEBUG, "\n"); + } + + if (fields->svc_data_uuid16 != NULL) { + MODLOG_DFLT(DEBUG, " svc_data_uuid16="); + print_bytes(fields->svc_data_uuid16, fields->svc_data_uuid16_len); + MODLOG_DFLT(DEBUG, "\n"); + } + + if (fields->public_tgt_addr != NULL) { + MODLOG_DFLT(DEBUG, " public_tgt_addr="); + u8p = fields->public_tgt_addr; + for (i = 0; i < fields->num_public_tgt_addrs; i++) { + MODLOG_DFLT(DEBUG, "public_tgt_addr=%s ", addr_str(u8p)); + u8p += BLE_HS_ADV_PUBLIC_TGT_ADDR_ENTRY_LEN; + } + MODLOG_DFLT(DEBUG, "\n"); + } + + if (fields->appearance_is_present) { + MODLOG_DFLT(DEBUG, " appearance=0x%04x\n", fields->appearance); + } + + if (fields->adv_itvl_is_present) { + MODLOG_DFLT(DEBUG, " adv_itvl=0x%04x\n", fields->adv_itvl); + } + + if (fields->svc_data_uuid32 != NULL) { + MODLOG_DFLT(DEBUG, " svc_data_uuid32="); + print_bytes(fields->svc_data_uuid32, fields->svc_data_uuid32_len); + MODLOG_DFLT(DEBUG, "\n"); + } + + if (fields->svc_data_uuid128 != NULL) { + MODLOG_DFLT(DEBUG, " svc_data_uuid128="); + print_bytes(fields->svc_data_uuid128, fields->svc_data_uuid128_len); + MODLOG_DFLT(DEBUG, "\n"); + } + + if (fields->uri != NULL) { + MODLOG_DFLT(DEBUG, " uri="); + print_bytes(fields->uri, fields->uri_len); + MODLOG_DFLT(DEBUG, "\n"); + } + + if (fields->mfg_data != NULL) { + MODLOG_DFLT(DEBUG, " mfg_data="); + print_bytes(fields->mfg_data, fields->mfg_data_len); + MODLOG_DFLT(DEBUG, "\n"); + } +} diff --git a/src/libs/mynewt-nimble/apps/blecent/src/peer.c b/src/libs/mynewt-nimble/apps/blecent/src/peer.c new file mode 100644 index 00000000..aeca7d90 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blecent/src/peer.c @@ -0,0 +1,807 @@ +/* + * 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 +#include +#include "host/ble_hs.h" +#include "blecent.h" + +static void *peer_svc_mem; +static struct os_mempool peer_svc_pool; + +static void *peer_chr_mem; +static struct os_mempool peer_chr_pool; + +static void *peer_dsc_mem; +static struct os_mempool peer_dsc_pool; + +static void *peer_mem; +static struct os_mempool peer_pool; +static SLIST_HEAD(, peer) peers; + +static struct peer_svc * +peer_svc_find_range(struct peer *peer, uint16_t attr_handle); +static struct peer_svc * +peer_svc_find(struct peer *peer, uint16_t svc_start_handle, + struct peer_svc **out_prev); +int +peer_svc_is_empty(const struct peer_svc *svc); + +uint16_t +chr_end_handle(const struct peer_svc *svc, const struct peer_chr *chr); +int +chr_is_empty(const struct peer_svc *svc, const struct peer_chr *chr); +static struct peer_chr * +peer_chr_find(const struct peer_svc *svc, uint16_t chr_def_handle, + struct peer_chr **out_prev); +static void +peer_disc_chrs(struct peer *peer); + +static int +peer_dsc_disced(uint16_t conn_handle, const struct ble_gatt_error *error, + uint16_t chr_val_handle, const struct ble_gatt_dsc *dsc, + void *arg); + +static struct peer * +peer_find(uint16_t conn_handle) +{ + struct peer *peer; + + SLIST_FOREACH(peer, &peers, next) { + if (peer->conn_handle == conn_handle) { + return peer; + } + } + + return NULL; +} + +static void +peer_disc_complete(struct peer *peer, int rc) +{ + peer->disc_prev_chr_val = 0; + + /* Notify caller that discovery has completed. */ + if (peer->disc_cb != NULL) { + peer->disc_cb(peer, rc, peer->disc_cb_arg); + } +} + +static struct peer_dsc * +peer_dsc_find_prev(const struct peer_chr *chr, uint16_t dsc_handle) +{ + struct peer_dsc *prev; + struct peer_dsc *dsc; + + prev = NULL; + SLIST_FOREACH(dsc, &chr->dscs, next) { + if (dsc->dsc.handle >= dsc_handle) { + break; + } + + prev = dsc; + } + + return prev; +} + +static struct peer_dsc * +peer_dsc_find(const struct peer_chr *chr, uint16_t dsc_handle, + struct peer_dsc **out_prev) +{ + struct peer_dsc *prev; + struct peer_dsc *dsc; + + prev = peer_dsc_find_prev(chr, dsc_handle); + if (prev == NULL) { + dsc = SLIST_FIRST(&chr->dscs); + } else { + dsc = SLIST_NEXT(prev, next); + } + + if (dsc != NULL && dsc->dsc.handle != dsc_handle) { + dsc = NULL; + } + + if (out_prev != NULL) { + *out_prev = prev; + } + return dsc; +} + +static int +peer_dsc_add(struct peer *peer, uint16_t chr_val_handle, + const struct ble_gatt_dsc *gatt_dsc) +{ + struct peer_dsc *prev; + struct peer_dsc *dsc; + struct peer_svc *svc; + struct peer_chr *chr; + + svc = peer_svc_find_range(peer, chr_val_handle); + if (svc == NULL) { + /* Can't find service for discovered descriptor; this shouldn't + * happen. + */ + assert(0); + return BLE_HS_EUNKNOWN; + } + + chr = peer_chr_find(svc, chr_val_handle, NULL); + if (chr == NULL) { + /* Can't find characteristic for discovered descriptor; this shouldn't + * happen. + */ + assert(0); + return BLE_HS_EUNKNOWN; + } + + dsc = peer_dsc_find(chr, gatt_dsc->handle, &prev); + if (dsc != NULL) { + /* Descriptor already discovered. */ + return 0; + } + + dsc = os_memblock_get(&peer_dsc_pool); + if (dsc == NULL) { + /* Out of memory. */ + return BLE_HS_ENOMEM; + } + memset(dsc, 0, sizeof *dsc); + + dsc->dsc = *gatt_dsc; + + if (prev == NULL) { + SLIST_INSERT_HEAD(&chr->dscs, dsc, next); + } else { + SLIST_NEXT(prev, next) = dsc; + } + + return 0; +} + +static void +peer_disc_dscs(struct peer *peer) +{ + struct peer_chr *chr; + struct peer_svc *svc; + int rc; + + /* Search through the list of discovered characteristics for the first + * characteristic that contains undiscovered descriptors. Then, discover + * all descriptors belonging to that characteristic. + */ + SLIST_FOREACH(svc, &peer->svcs, next) { + SLIST_FOREACH(chr, &svc->chrs, next) { + if (!chr_is_empty(svc, chr) && + SLIST_EMPTY(&chr->dscs) && + peer->disc_prev_chr_val <= chr->chr.def_handle) { + + rc = ble_gattc_disc_all_dscs(peer->conn_handle, + chr->chr.val_handle, + chr_end_handle(svc, chr), + peer_dsc_disced, peer); + if (rc != 0) { + peer_disc_complete(peer, rc); + } + + peer->disc_prev_chr_val = chr->chr.val_handle; + return; + } + } + } + + /* All descriptors discovered. */ + peer_disc_complete(peer, 0); +} + +static int +peer_dsc_disced(uint16_t conn_handle, const struct ble_gatt_error *error, + uint16_t chr_val_handle, const struct ble_gatt_dsc *dsc, + void *arg) +{ + struct peer *peer; + int rc; + + peer = arg; + assert(peer->conn_handle == conn_handle); + + switch (error->status) { + case 0: + rc = peer_dsc_add(peer, chr_val_handle, dsc); + break; + + case BLE_HS_EDONE: + /* All descriptors in this characteristic discovered; start discovering + * descriptors in the next characteristic. + */ + if (peer->disc_prev_chr_val > 0) { + peer_disc_dscs(peer); + } + rc = 0; + break; + + default: + /* Error; abort discovery. */ + rc = error->status; + break; + } + + if (rc != 0) { + /* Error; abort discovery. */ + peer_disc_complete(peer, rc); + } + + return rc; +} + +uint16_t +chr_end_handle(const struct peer_svc *svc, const struct peer_chr *chr) +{ + const struct peer_chr *next_chr; + + next_chr = SLIST_NEXT(chr, next); + if (next_chr != NULL) { + return next_chr->chr.def_handle - 1; + } else { + return svc->svc.end_handle; + } +} + +int +chr_is_empty(const struct peer_svc *svc, const struct peer_chr *chr) +{ + return chr_end_handle(svc, chr) <= chr->chr.val_handle; +} + +static struct peer_chr * +peer_chr_find_prev(const struct peer_svc *svc, uint16_t chr_val_handle) +{ + struct peer_chr *prev; + struct peer_chr *chr; + + prev = NULL; + SLIST_FOREACH(chr, &svc->chrs, next) { + if (chr->chr.val_handle >= chr_val_handle) { + break; + } + + prev = chr; + } + + return prev; +} + +static struct peer_chr * +peer_chr_find(const struct peer_svc *svc, uint16_t chr_val_handle, + struct peer_chr **out_prev) +{ + struct peer_chr *prev; + struct peer_chr *chr; + + prev = peer_chr_find_prev(svc, chr_val_handle); + if (prev == NULL) { + chr = SLIST_FIRST(&svc->chrs); + } else { + chr = SLIST_NEXT(prev, next); + } + + if (chr != NULL && chr->chr.val_handle != chr_val_handle) { + chr = NULL; + } + + if (out_prev != NULL) { + *out_prev = prev; + } + return chr; +} + +static void +peer_chr_delete(struct peer_chr *chr) +{ + struct peer_dsc *dsc; + + while ((dsc = SLIST_FIRST(&chr->dscs)) != NULL) { + SLIST_REMOVE_HEAD(&chr->dscs, next); + os_memblock_put(&peer_dsc_pool, dsc); + } + + os_memblock_put(&peer_chr_pool, chr); +} + +static int +peer_chr_add(struct peer *peer, uint16_t svc_start_handle, + const struct ble_gatt_chr *gatt_chr) +{ + struct peer_chr *prev; + struct peer_chr *chr; + struct peer_svc *svc; + + svc = peer_svc_find(peer, svc_start_handle, NULL); + if (svc == NULL) { + /* Can't find service for discovered characteristic; this shouldn't + * happen. + */ + assert(0); + return BLE_HS_EUNKNOWN; + } + + chr = peer_chr_find(svc, gatt_chr->def_handle, &prev); + if (chr != NULL) { + /* Characteristic already discovered. */ + return 0; + } + + chr = os_memblock_get(&peer_chr_pool); + if (chr == NULL) { + /* Out of memory. */ + return BLE_HS_ENOMEM; + } + memset(chr, 0, sizeof *chr); + + chr->chr = *gatt_chr; + + if (prev == NULL) { + SLIST_INSERT_HEAD(&svc->chrs, chr, next); + } else { + SLIST_NEXT(prev, next) = chr; + } + + return 0; +} + +static int +peer_chr_disced(uint16_t conn_handle, const struct ble_gatt_error *error, + const struct ble_gatt_chr *chr, void *arg) +{ + struct peer *peer; + int rc; + + peer = arg; + assert(peer->conn_handle == conn_handle); + + switch (error->status) { + case 0: + rc = peer_chr_add(peer, peer->cur_svc->svc.start_handle, chr); + break; + + case BLE_HS_EDONE: + /* All characteristics in this service discovered; start discovering + * characteristics in the next service. + */ + if (peer->disc_prev_chr_val > 0) { + peer_disc_chrs(peer); + } + rc = 0; + break; + + default: + rc = error->status; + break; + } + + if (rc != 0) { + /* Error; abort discovery. */ + peer_disc_complete(peer, rc); + } + + return rc; +} + +static void +peer_disc_chrs(struct peer *peer) +{ + struct peer_svc *svc; + int rc; + + /* Search through the list of discovered service for the first service that + * contains undiscovered characteristics. Then, discover all + * characteristics belonging to that service. + */ + SLIST_FOREACH(svc, &peer->svcs, next) { + if (!peer_svc_is_empty(svc) && SLIST_EMPTY(&svc->chrs)) { + peer->cur_svc = svc; + rc = ble_gattc_disc_all_chrs(peer->conn_handle, + svc->svc.start_handle, + svc->svc.end_handle, + peer_chr_disced, peer); + if (rc != 0) { + peer_disc_complete(peer, rc); + } + return; + } + } + + /* All characteristics discovered. */ + peer_disc_dscs(peer); +} + +int +peer_svc_is_empty(const struct peer_svc *svc) +{ + return svc->svc.end_handle <= svc->svc.start_handle; +} + +static struct peer_svc * +peer_svc_find_prev(struct peer *peer, uint16_t svc_start_handle) +{ + struct peer_svc *prev; + struct peer_svc *svc; + + prev = NULL; + SLIST_FOREACH(svc, &peer->svcs, next) { + if (svc->svc.start_handle >= svc_start_handle) { + break; + } + + prev = svc; + } + + return prev; +} + +static struct peer_svc * +peer_svc_find(struct peer *peer, uint16_t svc_start_handle, + struct peer_svc **out_prev) +{ + struct peer_svc *prev; + struct peer_svc *svc; + + prev = peer_svc_find_prev(peer, svc_start_handle); + if (prev == NULL) { + svc = SLIST_FIRST(&peer->svcs); + } else { + svc = SLIST_NEXT(prev, next); + } + + if (svc != NULL && svc->svc.start_handle != svc_start_handle) { + svc = NULL; + } + + if (out_prev != NULL) { + *out_prev = prev; + } + return svc; +} + +static struct peer_svc * +peer_svc_find_range(struct peer *peer, uint16_t attr_handle) +{ + struct peer_svc *svc; + + SLIST_FOREACH(svc, &peer->svcs, next) { + if (svc->svc.start_handle <= attr_handle && + svc->svc.end_handle >= attr_handle) { + + return svc; + } + } + + return NULL; +} + +const struct peer_svc * +peer_svc_find_uuid(const struct peer *peer, const ble_uuid_t *uuid) +{ + const struct peer_svc *svc; + + SLIST_FOREACH(svc, &peer->svcs, next) { + if (ble_uuid_cmp(&svc->svc.uuid.u, uuid) == 0) { + return svc; + } + } + + return NULL; +} + +const struct peer_chr * +peer_chr_find_uuid(const struct peer *peer, const ble_uuid_t *svc_uuid, + const ble_uuid_t *chr_uuid) +{ + const struct peer_svc *svc; + const struct peer_chr *chr; + + svc = peer_svc_find_uuid(peer, svc_uuid); + if (svc == NULL) { + return NULL; + } + + SLIST_FOREACH(chr, &svc->chrs, next) { + if (ble_uuid_cmp(&chr->chr.uuid.u, chr_uuid) == 0) { + return chr; + } + } + + return NULL; +} + +const struct peer_dsc * +peer_dsc_find_uuid(const struct peer *peer, const ble_uuid_t *svc_uuid, + const ble_uuid_t *chr_uuid, const ble_uuid_t *dsc_uuid) +{ + const struct peer_chr *chr; + const struct peer_dsc *dsc; + + chr = peer_chr_find_uuid(peer, svc_uuid, chr_uuid); + if (chr == NULL) { + return NULL; + } + + SLIST_FOREACH(dsc, &chr->dscs, next) { + if (ble_uuid_cmp(&dsc->dsc.uuid.u, dsc_uuid) == 0) { + return dsc; + } + } + + return NULL; +} + +static int +peer_svc_add(struct peer *peer, const struct ble_gatt_svc *gatt_svc) +{ + struct peer_svc *prev; + struct peer_svc *svc; + + svc = peer_svc_find(peer, gatt_svc->start_handle, &prev); + if (svc != NULL) { + /* Service already discovered. */ + return 0; + } + + svc = os_memblock_get(&peer_svc_pool); + if (svc == NULL) { + /* Out of memory. */ + return BLE_HS_ENOMEM; + } + memset(svc, 0, sizeof *svc); + + svc->svc = *gatt_svc; + SLIST_INIT(&svc->chrs); + + if (prev == NULL) { + SLIST_INSERT_HEAD(&peer->svcs, svc, next); + } else { + SLIST_INSERT_AFTER(prev, svc, next); + } + + return 0; +} + +static void +peer_svc_delete(struct peer_svc *svc) +{ + struct peer_chr *chr; + + while ((chr = SLIST_FIRST(&svc->chrs)) != NULL) { + SLIST_REMOVE_HEAD(&svc->chrs, next); + peer_chr_delete(chr); + } + + os_memblock_put(&peer_svc_pool, svc); +} + +static int +peer_svc_disced(uint16_t conn_handle, const struct ble_gatt_error *error, + const struct ble_gatt_svc *service, void *arg) +{ + struct peer *peer; + int rc; + + peer = arg; + assert(peer->conn_handle == conn_handle); + + switch (error->status) { + case 0: + rc = peer_svc_add(peer, service); + break; + + case BLE_HS_EDONE: + /* All services discovered; start discovering characteristics. */ + if (peer->disc_prev_chr_val > 0) { + peer_disc_chrs(peer); + } + rc = 0; + break; + + default: + rc = error->status; + break; + } + + if (rc != 0) { + /* Error; abort discovery. */ + peer_disc_complete(peer, rc); + } + + return rc; +} + + +int +peer_disc_all(uint16_t conn_handle, peer_disc_fn *disc_cb, void *disc_cb_arg) +{ + struct peer_svc *svc; + struct peer *peer; + int rc; + + peer = peer_find(conn_handle); + if (peer == NULL) { + return BLE_HS_ENOTCONN; + } + + /* Undiscover everything first. */ + while ((svc = SLIST_FIRST(&peer->svcs)) != NULL) { + SLIST_REMOVE_HEAD(&peer->svcs, next); + peer_svc_delete(svc); + } + + peer->disc_prev_chr_val = 1; + peer->disc_cb = disc_cb; + peer->disc_cb_arg = disc_cb_arg; + + rc = ble_gattc_disc_all_svcs(conn_handle, peer_svc_disced, peer); + if (rc != 0) { + return rc; + } + + return 0; +} + +int +peer_delete(uint16_t conn_handle) +{ + struct peer_svc *svc; + struct peer *peer; + int rc; + + peer = peer_find(conn_handle); + if (peer == NULL) { + return BLE_HS_ENOTCONN; + } + + SLIST_REMOVE(&peers, peer, peer, next); + + while ((svc = SLIST_FIRST(&peer->svcs)) != NULL) { + SLIST_REMOVE_HEAD(&peer->svcs, next); + peer_svc_delete(svc); + } + + rc = os_memblock_put(&peer_pool, peer); + if (rc != 0) { + return BLE_HS_EOS; + } + + return 0; +} + +int +peer_add(uint16_t conn_handle) +{ + struct peer *peer; + + /* Make sure the connection handle is unique. */ + peer = peer_find(conn_handle); + if (peer != NULL) { + return BLE_HS_EALREADY; + } + + peer = os_memblock_get(&peer_pool); + if (peer == NULL) { + /* Out of memory. */ + return BLE_HS_ENOMEM; + } + + memset(peer, 0, sizeof *peer); + peer->conn_handle = conn_handle; + + SLIST_INSERT_HEAD(&peers, peer, next); + + return 0; +} + +static void +peer_free_mem(void) +{ + free(peer_mem); + peer_mem = NULL; + + free(peer_svc_mem); + peer_svc_mem = NULL; + + free(peer_chr_mem); + peer_chr_mem = NULL; + + free(peer_dsc_mem); + peer_dsc_mem = NULL; +} + +int +peer_init(int max_peers, int max_svcs, int max_chrs, int max_dscs) +{ + int rc; + + /* Free memory first in case this function gets called more than once. */ + peer_free_mem(); + + peer_mem = malloc( + OS_MEMPOOL_BYTES(max_peers, sizeof (struct peer))); + if (peer_mem == NULL) { + rc = BLE_HS_ENOMEM; + goto err; + } + + rc = os_mempool_init(&peer_pool, max_peers, + sizeof (struct peer), peer_mem, + "peer_pool"); + if (rc != 0) { + rc = BLE_HS_EOS; + goto err; + } + + peer_svc_mem = malloc( + OS_MEMPOOL_BYTES(max_svcs, sizeof (struct peer_svc))); + if (peer_svc_mem == NULL) { + rc = BLE_HS_ENOMEM; + goto err; + } + + rc = os_mempool_init(&peer_svc_pool, max_svcs, + sizeof (struct peer_svc), peer_svc_mem, + "peer_svc_pool"); + if (rc != 0) { + rc = BLE_HS_EOS; + goto err; + } + + peer_chr_mem = malloc( + OS_MEMPOOL_BYTES(max_chrs, sizeof (struct peer_chr))); + if (peer_chr_mem == NULL) { + rc = BLE_HS_ENOMEM; + goto err; + } + + rc = os_mempool_init(&peer_chr_pool, max_chrs, + sizeof (struct peer_chr), peer_chr_mem, + "peer_chr_pool"); + if (rc != 0) { + rc = BLE_HS_EOS; + goto err; + } + + peer_dsc_mem = malloc( + OS_MEMPOOL_BYTES(max_dscs, sizeof (struct peer_dsc))); + if (peer_dsc_mem == NULL) { + rc = BLE_HS_ENOMEM; + goto err; + } + + rc = os_mempool_init(&peer_dsc_pool, max_dscs, + sizeof (struct peer_dsc), peer_dsc_mem, + "peer_dsc_pool"); + if (rc != 0) { + rc = BLE_HS_EOS; + goto err; + } + + return 0; + +err: + peer_free_mem(); + return rc; +} diff --git a/src/libs/mynewt-nimble/apps/blecent/syscfg.yml b/src/libs/mynewt-nimble/apps/blecent/syscfg.yml new file mode 100644 index 00000000..fee5bf06 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blecent/syscfg.yml @@ -0,0 +1,30 @@ +# 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. +# + +syscfg.vals: + # DEBUG logging is a bit noisy; use INFO. + LOG_LEVEL: 1 + + # Default task settings + OS_MAIN_STACK_SIZE: 336 + +# Disable peripheral and broadcaster roles. + BLE_ROLE_BROADCASTER: 0 + BLE_ROLE_CENTRAL: 1 + BLE_ROLE_OBSERVER: 1 + BLE_ROLE_PERIPHERAL: 0 -- cgit v1.2.3