diff options
Diffstat (limited to 'src/libs/mynewt-nimble/apps/blehr')
| -rw-r--r-- | src/libs/mynewt-nimble/apps/blehr/README.md | 9 | ||||
| -rw-r--r-- | src/libs/mynewt-nimble/apps/blehr/pkg.yml | 40 | ||||
| -rw-r--r-- | src/libs/mynewt-nimble/apps/blehr/src/blehr_sens.h | 46 | ||||
| -rw-r--r-- | src/libs/mynewt-nimble/apps/blehr/src/gatt_svr.c | 177 | ||||
| -rw-r--r-- | src/libs/mynewt-nimble/apps/blehr/src/main.c | 261 | ||||
| -rw-r--r-- | src/libs/mynewt-nimble/apps/blehr/syscfg.yml | 35 |
6 files changed, 568 insertions, 0 deletions
diff --git a/src/libs/mynewt-nimble/apps/blehr/README.md b/src/libs/mynewt-nimble/apps/blehr/README.md new file mode 100644 index 00000000..d06d95de --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blehr/README.md @@ -0,0 +1,9 @@ +# BLE Heart Rate peripheral app. + +The source files are located in the src/ directory. + +pkg.yml contains the base definition of the app. + +syscfg.yml contains setting definitions and overrides. + + diff --git a/src/libs/mynewt-nimble/apps/blehr/pkg.yml b/src/libs/mynewt-nimble/apps/blehr/pkg.yml new file mode 100644 index 00000000..b91ba377 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blehr/pkg.yml @@ -0,0 +1,40 @@ +# 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/blehr +pkg.type: app +pkg.description: BLE peripheral heartrate sensor. +pkg.author: "Szymon Czapracki" +pkg.email: "szymon.czapracki@codecoup.pl" +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" + - "@apache-mynewt-core/sys/sysinit" + - "@apache-mynewt-core/sys/id" + - nimble/controller + - nimble/host + - nimble/host/services/gap + - nimble/host/services/gatt + - nimble/host/store/config + - nimble/transport/ram diff --git a/src/libs/mynewt-nimble/apps/blehr/src/blehr_sens.h b/src/libs/mynewt-nimble/apps/blehr/src/blehr_sens.h new file mode 100644 index 00000000..a3f59ca9 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blehr/src/blehr_sens.h @@ -0,0 +1,46 @@ +/* + * 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_BLEHR_SENSOR_ +#define H_BLEHR_SENSOR_ + +#include "nimble/ble.h" +#include "modlog/modlog.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Heart-rate configuration */ +#define GATT_HRS_UUID 0x180D +#define GATT_HRS_MEASUREMENT_UUID 0x2A37 +#define GATT_HRS_BODY_SENSOR_LOC_UUID 0x2A38 +#define GATT_DEVICE_INFO_UUID 0x180A +#define GATT_MANUFACTURER_NAME_UUID 0x2A29 +#define GATT_MODEL_NUMBER_UUID 0x2A24 + +extern uint16_t hrs_hrm_handle; + +int gatt_svr_init(void); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libs/mynewt-nimble/apps/blehr/src/gatt_svr.c b/src/libs/mynewt-nimble/apps/blehr/src/gatt_svr.c new file mode 100644 index 00000000..b2e9b4e0 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blehr/src/gatt_svr.c @@ -0,0 +1,177 @@ +/* + * 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 <stdio.h> +#include <string.h> +#include "host/ble_hs.h" +#include "host/ble_uuid.h" +#include "blehr_sens.h" + +static const char *manuf_name = "Apache Mynewt"; +static const char *model_num = "Mynewt HR Sensor"; +uint16_t hrs_hrm_handle; + +static int +gatt_svr_chr_access_heart_rate(uint16_t conn_handle, uint16_t attr_handle, + struct ble_gatt_access_ctxt *ctxt, void *arg); + +static int +gatt_svr_chr_access_device_info(uint16_t conn_handle, uint16_t attr_handle, + struct ble_gatt_access_ctxt *ctxt, void *arg); + +static const struct ble_gatt_svc_def gatt_svr_svcs[] = { + { + /* Service: Heart-rate */ + .type = BLE_GATT_SVC_TYPE_PRIMARY, + .uuid = BLE_UUID16_DECLARE(GATT_HRS_UUID), + .characteristics = (struct ble_gatt_chr_def[]) { { + /* Characteristic: Heart-rate measurement */ + .uuid = BLE_UUID16_DECLARE(GATT_HRS_MEASUREMENT_UUID), + .access_cb = gatt_svr_chr_access_heart_rate, + .val_handle = &hrs_hrm_handle, + .flags = BLE_GATT_CHR_F_NOTIFY, + }, { + /* Characteristic: Body sensor location */ + .uuid = BLE_UUID16_DECLARE(GATT_HRS_BODY_SENSOR_LOC_UUID), + .access_cb = gatt_svr_chr_access_heart_rate, + .flags = BLE_GATT_CHR_F_READ, + }, { + 0, /* No more characteristics in this service */ + }, } + }, + + { + /* Service: Device Information */ + .type = BLE_GATT_SVC_TYPE_PRIMARY, + .uuid = BLE_UUID16_DECLARE(GATT_DEVICE_INFO_UUID), + .characteristics = (struct ble_gatt_chr_def[]) { { + /* Characteristic: * Manufacturer name */ + .uuid = BLE_UUID16_DECLARE(GATT_MANUFACTURER_NAME_UUID), + .access_cb = gatt_svr_chr_access_device_info, + .flags = BLE_GATT_CHR_F_READ, + }, { + /* Characteristic: Model number string */ + .uuid = BLE_UUID16_DECLARE(GATT_MODEL_NUMBER_UUID), + .access_cb = gatt_svr_chr_access_device_info, + .flags = BLE_GATT_CHR_F_READ, + }, { + 0, /* No more characteristics in this service */ + }, } + }, + + { + 0, /* No more services */ + }, +}; + +static int +gatt_svr_chr_access_heart_rate(uint16_t conn_handle, uint16_t attr_handle, + struct ble_gatt_access_ctxt *ctxt, void *arg) +{ + /* Sensor location, set to "Chest" */ + static uint8_t body_sens_loc = 0x01; + uint16_t uuid; + int rc; + + uuid = ble_uuid_u16(ctxt->chr->uuid); + + if (uuid == GATT_HRS_BODY_SENSOR_LOC_UUID) { + rc = os_mbuf_append(ctxt->om, &body_sens_loc, sizeof(body_sens_loc)); + + return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES; + } + + assert(0); + return BLE_ATT_ERR_UNLIKELY; +} + +static int +gatt_svr_chr_access_device_info(uint16_t conn_handle, uint16_t attr_handle, + struct ble_gatt_access_ctxt *ctxt, void *arg) +{ + uint16_t uuid; + int rc; + + uuid = ble_uuid_u16(ctxt->chr->uuid); + + if (uuid == GATT_MODEL_NUMBER_UUID) { + rc = os_mbuf_append(ctxt->om, model_num, strlen(model_num)); + return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES; + } + + if (uuid == GATT_MANUFACTURER_NAME_UUID) { + rc = os_mbuf_append(ctxt->om, manuf_name, strlen(manuf_name)); + return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES; + } + + assert(0); + return BLE_ATT_ERR_UNLIKELY; +} + +void +gatt_svr_register_cb(struct ble_gatt_register_ctxt *ctxt, void *arg) +{ + char buf[BLE_UUID_STR_LEN]; + + switch (ctxt->op) { + case BLE_GATT_REGISTER_OP_SVC: + MODLOG_DFLT(DEBUG, "registered service %s with handle=%d\n", + ble_uuid_to_str(ctxt->svc.svc_def->uuid, buf), + ctxt->svc.handle); + break; + + case BLE_GATT_REGISTER_OP_CHR: + MODLOG_DFLT(DEBUG, "registering characteristic %s with " + "def_handle=%d val_handle=%d\n", + ble_uuid_to_str(ctxt->chr.chr_def->uuid, buf), + ctxt->chr.def_handle, + ctxt->chr.val_handle); + break; + + case BLE_GATT_REGISTER_OP_DSC: + MODLOG_DFLT(DEBUG, "registering descriptor %s with handle=%d\n", + ble_uuid_to_str(ctxt->dsc.dsc_def->uuid, buf), + ctxt->dsc.handle); + break; + + default: + assert(0); + break; + } +} + +int +gatt_svr_init(void) +{ + int rc; + + rc = ble_gatts_count_cfg(gatt_svr_svcs); + if (rc != 0) { + return rc; + } + + rc = ble_gatts_add_svcs(gatt_svr_svcs); + if (rc != 0) { + return rc; + } + + return 0; +} + diff --git a/src/libs/mynewt-nimble/apps/blehr/src/main.c b/src/libs/mynewt-nimble/apps/blehr/src/main.c new file mode 100644 index 00000000..bf0f3f30 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blehr/src/main.c @@ -0,0 +1,261 @@ +/* + * 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 "console/console.h" +#include "config/config.h" +#include "nimble/ble.h" +#include "host/ble_hs.h" +#include "services/gap/ble_svc_gap.h" +#include "blehr_sens.h" + +static bool notify_state; + +/* Connection handle */ +static uint16_t conn_handle; + +static const char *device_name = "blehr_sensor"; + +static int blehr_gap_event(struct ble_gap_event *event, void *arg); + +static uint8_t blehr_addr_type; + +/* Sending notify data timer */ +static struct os_callout blehr_tx_timer; + +/* Variable to simulate heart beats */ +static uint8_t heartrate = 90; + +/* + * Enables advertising with parameters: + * o General discoverable mode + * o Undirected connectable mode + */ +static void +blehr_advertise(void) +{ + struct ble_gap_adv_params adv_params; + struct ble_hs_adv_fields fields; + int rc; + + /* + * Set the advertisement data included in our advertisements: + * o Flags (indicates advertisement type and other general info) + * o Advertising tx power + * o Device name + */ + 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 assigning 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; + + fields.name = (uint8_t *)device_name; + fields.name_len = strlen(device_name); + fields.name_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(blehr_addr_type, NULL, BLE_HS_FOREVER, + &adv_params, blehr_gap_event, NULL); + if (rc != 0) { + MODLOG_DFLT(ERROR, "error enabling advertisement; rc=%d\n", rc); + return; + } +} + +static void +blehr_tx_hrate_stop(void) +{ + os_callout_stop(&blehr_tx_timer); +} + +/* Reset heartrate measurment */ +static void +blehr_tx_hrate_reset(void) +{ + int rc; + + rc = os_callout_reset(&blehr_tx_timer, OS_TICKS_PER_SEC); + assert(rc == 0); +} + +/* This functions simulates heart beat and notifies it to the client */ +static void +blehr_tx_hrate(struct os_event *ev) +{ + static uint8_t hrm[2]; + int rc; + struct os_mbuf *om; + + if (!notify_state) { + blehr_tx_hrate_stop(); + heartrate = 90; + return; + } + + hrm[0] = 0x06; /* contact of a sensor */ + hrm[1] = heartrate; /* storing dummy data */ + + /* Simulation of heart beats */ + heartrate++; + if (heartrate == 160) { + heartrate = 90; + } + + om = ble_hs_mbuf_from_flat(hrm, sizeof(hrm)); + + rc = ble_gattc_notify_custom(conn_handle, hrs_hrm_handle, om); + + assert(rc == 0); + blehr_tx_hrate_reset(); +} + +static int +blehr_gap_event(struct ble_gap_event *event, void *arg) +{ + 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\n", + event->connect.status == 0 ? "established" : "failed", + event->connect.status); + + if (event->connect.status != 0) { + /* Connection failed; resume advertising */ + blehr_advertise(); + conn_handle = 0; + } + else { + conn_handle = event->connect.conn_handle; + } + + break; + + case BLE_GAP_EVENT_DISCONNECT: + MODLOG_DFLT(INFO, "disconnect; reason=%d\n", event->disconnect.reason); + conn_handle = BLE_HS_CONN_HANDLE_NONE; /* reset conn_handle */ + + /* Connection terminated; resume advertising */ + blehr_advertise(); + break; + + case BLE_GAP_EVENT_ADV_COMPLETE: + MODLOG_DFLT(INFO, "adv complete\n"); + blehr_advertise(); + break; + + case BLE_GAP_EVENT_SUBSCRIBE: + MODLOG_DFLT(INFO, "subscribe event; cur_notify=%d\n value handle; " + "val_handle=%d\n", + event->subscribe.cur_notify, hrs_hrm_handle); + if (event->subscribe.attr_handle == hrs_hrm_handle) { + notify_state = event->subscribe.cur_notify; + blehr_tx_hrate_reset(); + } else if (event->subscribe.attr_handle != hrs_hrm_handle) { + notify_state = event->subscribe.cur_notify; + blehr_tx_hrate_stop(); + } + break; + + case BLE_GAP_EVENT_MTU: + MODLOG_DFLT(INFO, "mtu update event; conn_handle=%d mtu=%d\n", + event->mtu.conn_handle, + event->mtu.value); + break; + + } + + return 0; +} + +static void +blehr_on_sync(void) +{ + int rc; + + /* Use privacy */ + rc = ble_hs_id_infer_auto(0, &blehr_addr_type); + assert(rc == 0); + + /* Begin advertising */ + blehr_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) +{ + int rc; + + /* Initialize OS */ + sysinit(); + + /* Initialize the NimBLE host configuration */ + ble_hs_cfg.sync_cb = blehr_on_sync; + + os_callout_init(&blehr_tx_timer, os_eventq_dflt_get(), + blehr_tx_hrate, NULL); + + rc = gatt_svr_init(); + assert(rc == 0); + + /* Set the default device name */ + rc = ble_svc_gap_device_name_set(device_name); + assert(rc == 0); + + /* As the last thing, process events from default event queue */ + while (1) { + os_eventq_run(os_eventq_dflt_get()); + } + return 0; +} + diff --git a/src/libs/mynewt-nimble/apps/blehr/syscfg.yml b/src/libs/mynewt-nimble/apps/blehr/syscfg.yml new file mode 100644 index 00000000..a6be2e29 --- /dev/null +++ b/src/libs/mynewt-nimble/apps/blehr/syscfg.yml @@ -0,0 +1,35 @@ +# 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: + # Disable central and observer roles. + BLE_ROLE_BROADCASTER: 1 + BLE_ROLE_CENTRAL: 0 + BLE_ROLE_OBSERVER: 0 + BLE_ROLE_PERIPHERAL: 1 + + # Disable unused eddystone feature. + BLE_EDDYSTONE: 0 + + # Log reboot messages to a flash circular buffer. + REBOOT_LOG_FCB: 1 + LOG_FCB: 1 + CONFIG_FCB: 1 + + # Set public device address. + BLE_PUBLIC_DEV_ADDR: ((uint8_t[6]){0xcc, 0xbb, 0xaa, 0x33, 0x22, 0x11}) |