Merge branch 'develop' of JF/PineTime into master

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;
+}