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Posted to commits@mynewt.apache.org by cc...@apache.org on 2016/08/01 20:59:40 UTC
[3/8] incubator-mynewt-core git commit: Added the profiles dir. Added
Link Lost Service
Added the profiles dir. Added Link Lost Service
Project: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/commit/e91a0d98
Tree: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/tree/e91a0d98
Diff: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/diff/e91a0d98
Branch: refs/heads/develop
Commit: e91a0d980ef892f57dbe941ebdb6988958fd5917
Parents: a0810f7
Author: Brian Giori <br...@gmail.com>
Authored: Thu Jul 21 19:05:04 2016 -0700
Committer: Brian Giori <br...@gmail.com>
Committed: Wed Jul 27 16:28:18 2016 -0700
----------------------------------------------------------------------
.../profiles/include/profiles/ble_svc_lls.h | 45 +++++
net/nimble/profiles/pkg.yml | 31 ++++
net/nimble/profiles/src/ble_svc_lls.c | 166 +++++++++++++++++++
3 files changed, 242 insertions(+)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/e91a0d98/net/nimble/profiles/include/profiles/ble_svc_lls.h
----------------------------------------------------------------------
diff --git a/net/nimble/profiles/include/profiles/ble_svc_lls.h b/net/nimble/profiles/include/profiles/ble_svc_lls.h
new file mode 100644
index 0000000..dfc7878
--- /dev/null
+++ b/net/nimble/profiles/include/profiles/ble_svc_lls.h
@@ -0,0 +1,45 @@
+/**
+ * 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_BLE_SVC_LLS_
+#define H_BLE_SVC_LLS_
+
+struct ble_hs_cfg;
+
+#define BLE_SVC_LLS_UUID16 0x1803
+#define BLE_SVC_LLS_CHR_UUID16_ALERT_LEVEL 0x2a06
+
+/* Alert level definitions */
+#define BLE_SVC_LLS_ALERT_LEVEL_NO_ALERT 0
+#define BLE_SVC_LLS_ALERT_LEVEL_MILD_ALERT 1
+#define BLE_SVC_LLS_ALERT_LEVEL_HIGH_ALERT 2
+
+typedef int ble_svc_lls_event_fn(uint8_t alert_level);
+
+uint8_t ble_svc_lls_alert_level_get(void);
+uint8_t ble_svc_lls_alert_level_set(uint8_t alert_level);
+void ble_svc_lls_on_gap_event(struct ble_gap_event *event, void *arg);
+
+int ble_svc_lls_register(void);
+int ble_svc_lls_init(struct ble_hs_cfg *cfg,
+ uint8_t initial_alert_level,
+ ble_svc_lls_event_fn *cb);
+
+#endif
+
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/e91a0d98/net/nimble/profiles/pkg.yml
----------------------------------------------------------------------
diff --git a/net/nimble/profiles/pkg.yml b/net/nimble/profiles/pkg.yml
new file mode 100644
index 0000000..89cd9d4
--- /dev/null
+++ b/net/nimble/profiles/pkg.yml
@@ -0,0 +1,31 @@
+#
+# 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: net/nimble/profiles
+pkg.description: Adopted profiles/services of the nimble Bluetooth Smart stack.
+pkg.author: "Apache Mynewt <de...@mynewt.incubator.apache.org>"
+pkg.homepage: "http://mynewt.apache.org/"
+pkg.keywords:
+ - ble
+ - bluetooth
+
+pkg.deps:
+ - sys/stats
+ - libs/os
+ - net/nimble
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/e91a0d98/net/nimble/profiles/src/ble_svc_lls.c
----------------------------------------------------------------------
diff --git a/net/nimble/profiles/src/ble_svc_lls.c b/net/nimble/profiles/src/ble_svc_lls.c
new file mode 100644
index 0000000..e94f192
--- /dev/null
+++ b/net/nimble/profiles/src/ble_svc_lls.c
@@ -0,0 +1,166 @@
+/**
+ * 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 "host/ble_hs.h"
+#include "profiles/ble_svc_lls.h"
+
+/* Callback function */
+ble_svc_lls_event_fn *cb_fn;
+/* Alert level */
+uint8_t ble_svc_lls_alert_level;
+
+/* Access function */
+static int
+ble_svc_lls_access(uint16_t conn_handle, uint16_t attr_handle,
+ struct ble_gatt_access_ctxt *ctxt, void *arg);
+
+static const struct ble_gatt_svc_def ble_svc_lls_defs[] = {
+ {
+ /*** Service: Link Lost Service (LLS). */
+ .type = BLE_GATT_SVC_TYPE_PRIMARY,
+ .uuid128 = BLE_UUID16(BLE_SVC_LLS_UUID16),
+ .characteristics = (struct ble_gatt_chr_def[]) { {
+ /*** Characteristic: Alert Level. */
+ .uuid128 = BLE_UUID16(BLE_SVC_LLS_CHR_UUID16_ALERT_LEVEL),
+ .access_cb = ble_svc_lls_access,
+ .flags = BLE_GATT_CHR_F_READ | BLE_GATT_CHR_F_WRITE,
+ }, {
+ 0, /* No more characteristics in this service. */
+ } },
+ },
+
+ {
+ 0, /* No more services. */
+ },
+};
+
+/**
+ * Simple read/write access callback for the alert level
+ * characteristic.
+ */
+static int
+ble_svc_lls_access(uint16_t conn_handle, uint16_t attr_handle,
+ struct ble_gatt_access_ctxt *ctxt, void *arg)
+{
+ assert(ctxt->chr == &ble_svc_lls_defs[0].characteristics[0]);
+ switch(ctxt->op) {
+ case BLE_GATT_ACCESS_OP_READ_CHR:
+ ctxt->att->read.data = &ble_svc_lls_alert_level;
+ ctxt->att->read.len = sizeof ble_svc_lls_alert_level;
+ break;
+
+ case BLE_GATT_ACCESS_OP_WRITE_CHR:
+ if (ctxt->att->write.len != sizeof ble_svc_lls_alert_level) {
+ return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN;
+ }
+ memcpy(&ble_svc_lls_alert_level, ctxt->att->write.data,
+ sizeof ble_svc_lls_alert_level);
+ break;
+
+ default:
+ assert(0);
+ break;
+ }
+
+ return 0;
+}
+
+/**
+ * This function is the crux of the link lost service. The application
+ * developer must call this function inside the gap event callback
+ * function when a BLE_GAP_EVENT_DISCONNECT event is received. Here,
+ * we then check if the disconnect reason is due to a timout, and if
+ * so, we call the ble_svc_lls_event_fn callback with the current
+ * alert level. The actual alert implementation is left up to the
+ * developer.
+ *
+ * @param event The BLE GAP event from the GAP event
+ * callback.
+ * @param arg The BLE GAP event arg from the GAP
+ * event callback.
+ */
+void
+ble_svc_lls_on_gap_event(struct ble_gap_event *event, void *arg) {
+ if(event->disconnect.reason ==
+ BLE_HS_HCI_ERR(BLE_ERR_CONN_SPVN_TMO)) {
+ cb_fn(ble_svc_lls_alert_level);
+ }
+}
+
+/**
+ * Get the current alert level.
+ */
+uint8_t
+ble_svc_lls_alert_level_get(void)
+{
+ return ble_svc_lls_alert_level;
+}
+
+/**
+ * Set the current alert level.
+ */
+int
+ble_svc_lls_alert_level_set(uint8_t alert_level)
+{
+ if (alert_level > BLE_SVC_LLS_ALERT_LEVEL_HIGH_ALERT) {
+ return BLE_HS_EINVAL;
+ }
+
+ memcpy(&ble_svc_lls_alert_level, &alert_level,
+ sizeof alert_level);
+
+ return 0;
+}
+
+/**
+ * Registers the LLS with the GATT server.
+ */
+int
+ble_svc_lls_register(void)
+{
+ int rc;
+
+ rc = ble_gatts_register_svcs(ble_svc_lls_defs, NULL, NULL);
+ return rc;
+}
+
+/**
+ * Initialize the LLS. The developer must specify the event function
+ * callback for the LLS to function properly.
+ */
+int
+ble_svc_lls_init(struct ble_hs_cfg *cfg, uint8_t initial_alert_level,
+ ble_svc_lls_event_fn *cb)
+{
+ if (*cb) {
+ return BLE_HS_EINVAL;
+ }
+ ble_svc_lls_alert_level = initial_alert_level;
+ cb_fn = cb;
+
+ int rc;
+ rc = ble_gatts_count_cfg(ble_svc_lls_defs, cfg);
+ if (rc != 0) {
+ return rc;
+ }
+
+ return 0;
+}