Files
daishengdong 0700d27b70 add more nimble example
1. make heart rate sensor example really work
using nRF Toolbox HRM
2. add master device scan example
3. add gatt server example(seems not working)
2019-11-12 19:56:52 +08:00

239 lines
7.8 KiB
C

/*
* 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"
#include "services/dis/ble_svc_dis.h"
#include "services/bas/ble_svc_bas.h"
static const char *manuf_name = "TencentOS tiny";
static const char *model_num = "TOS HR Sensor";
uint16_t hrs_hrm_handle;
static const char *serial_num = "deadbeef-baddad";
static const char *firmware_ver = "1.0.0";
static const char *hardware_ver = "V1.0";
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_battery_level(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);
/* GATT service definitions */
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,
}, {
.uuid = BLE_UUID16_DECLARE(BLE_SVC_DIS_CHR_UUID16_SERIAL_NUMBER),
.access_cb = gatt_svr_chr_access_device_info,
.flags = BLE_GATT_CHR_F_READ,
}, {
.uuid = BLE_UUID16_DECLARE(BLE_SVC_DIS_CHR_UUID16_FIRMWARE_REVISION),
.access_cb = gatt_svr_chr_access_device_info,
.flags = BLE_GATT_CHR_F_READ,
}, {
.uuid = BLE_UUID16_DECLARE(BLE_SVC_DIS_CHR_UUID16_HARDWARE_REVISION),
.access_cb = gatt_svr_chr_access_device_info,
.flags = BLE_GATT_CHR_F_READ,
}, {
0, /* No more characteristics in this service */
}, }
},
{
/* Service: Battery Level */
.type = BLE_GATT_SVC_TYPE_PRIMARY,
.uuid = BLE_UUID16_DECLARE(BLE_SVC_BAS_UUID16),
.characteristics = (struct ble_gatt_chr_def[]) { {
.uuid = BLE_UUID16_DECLARE(BLE_SVC_BAS_CHR_UUID16_BATTERY_LEVEL),
.access_cb = gatt_svr_chr_access_battery_level,
.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_MANUFACTURER_NAME_UUID) {
rc = os_mbuf_append(ctxt->om, manuf_name, strlen(manuf_name));
return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
}
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 == BLE_SVC_DIS_CHR_UUID16_SERIAL_NUMBER) {
rc = os_mbuf_append(ctxt->om, serial_num, strlen(serial_num));
return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
}
if (uuid == BLE_SVC_DIS_CHR_UUID16_FIRMWARE_REVISION) {
rc = os_mbuf_append(ctxt->om, firmware_ver, strlen(firmware_ver));
return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
}
if (uuid == BLE_SVC_DIS_CHR_UUID16_HARDWARE_REVISION) {
rc = os_mbuf_append(ctxt->om, hardware_ver, strlen(hardware_ver));
return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
}
assert(0);
return BLE_ATT_ERR_UNLIKELY;
}
static int
gatt_svr_chr_access_battery_level(uint16_t conn_handle, uint16_t attr_handle,
struct ble_gatt_access_ctxt *ctxt, void *arg)
{
MODLOG_DFLT(DEBUG, "[READ] battery level service: battery level value");
uint8_t level = 42;
int res = os_mbuf_append(ctxt->om, &level, sizeof(level));
return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
}
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;
}