zephyr/samples/bluetooth/gatt/ipss.c

148 lines
4.1 KiB
C

/** @file
* @brief IP Support Service sample
*/
/*
* Copyright (c) 2015-2016 Intel Corporation
*
* Licensed 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 <stdint.h>
#include <stddef.h>
#include <string.h>
#include <errno.h>
#include <misc/printk.h>
#include <misc/byteorder.h>
#include <zephyr.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/conn.h>
#include <bluetooth/uuid.h>
#include <bluetooth/gatt.h>
#define DEVICE_NAME "Test IPSP node"
#define DEVICE_NAME_LEN (sizeof(DEVICE_NAME) - 1)
#define UNKNOWN_APPEARANCE 0x0000
#if !defined(CONFIG_BLUETOOTH_GATT_DYNAMIC_DB)
static ssize_t read_name(struct bt_conn *conn, const struct bt_gatt_attr *attr,
void *buf, uint16_t len, uint16_t offset)
{
const char *name = attr->user_data;
return bt_gatt_attr_read(conn, attr, buf, len, offset, name,
strlen(name));
}
static ssize_t read_appearance(struct bt_conn *conn,
const struct bt_gatt_attr *attr, void *buf,
uint16_t len, uint16_t offset)
{
uint16_t appearance = sys_cpu_to_le16(UNKNOWN_APPEARANCE);
return bt_gatt_attr_read(conn, attr, buf, len, offset, &appearance,
sizeof(appearance));
}
static ssize_t read_model(struct bt_conn *conn, const struct bt_gatt_attr *attr,
void *buf, uint16_t len, uint16_t offset)
{
const char *value = attr->user_data;
return bt_gatt_attr_read(conn, attr, buf, len, offset, value,
strlen(value));
}
static ssize_t read_manuf(struct bt_conn *conn, const struct bt_gatt_attr *attr,
void *buf, uint16_t len, uint16_t offset)
{
const char *value = attr->user_data;
return bt_gatt_attr_read(conn, attr, buf, len, offset, value,
strlen(value));
}
#endif /* CONFIG_BLUETOOTH_GATT_DYNAMIC_DB */
static struct bt_gatt_attr attrs[] = {
#if !defined(CONFIG_BLUETOOTH_GATT_DYNAMIC_DB)
BT_GATT_PRIMARY_SERVICE(BT_UUID_GAP),
BT_GATT_CHARACTERISTIC(BT_UUID_GAP_DEVICE_NAME, BT_GATT_CHRC_READ),
BT_GATT_DESCRIPTOR(BT_UUID_GAP_DEVICE_NAME, BT_GATT_PERM_READ,
read_name, NULL, DEVICE_NAME),
BT_GATT_CHARACTERISTIC(BT_UUID_GAP_APPEARANCE, BT_GATT_CHRC_READ),
BT_GATT_DESCRIPTOR(BT_UUID_GAP_APPEARANCE, BT_GATT_PERM_READ,
read_appearance, NULL, NULL),
/* Device Information Service Declaration */
BT_GATT_PRIMARY_SERVICE(BT_UUID_DIS),
BT_GATT_CHARACTERISTIC(BT_UUID_DIS_MODEL_NUMBER, BT_GATT_CHRC_READ),
BT_GATT_DESCRIPTOR(BT_UUID_DIS_MODEL_NUMBER, BT_GATT_PERM_READ,
read_model, NULL, CONFIG_SOC),
BT_GATT_CHARACTERISTIC(BT_UUID_DIS_MANUFACTURER_NAME,
BT_GATT_CHRC_READ),
BT_GATT_DESCRIPTOR(BT_UUID_DIS_MANUFACTURER_NAME, BT_GATT_PERM_READ,
read_manuf, NULL, "Manufacturer"),
#endif /* CONFIG_BLUETOOTH_GATT_DYNAMIC_DB */
/* IP Support Service Declaration */
BT_GATT_PRIMARY_SERVICE(BT_UUID_IPSS),
};
static const struct bt_data ad[] = {
BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),
BT_DATA_BYTES(BT_DATA_UUID16_ALL, 0x20, 0x18),
};
static const struct bt_data sd[] = {
BT_DATA(BT_DATA_NAME_COMPLETE, DEVICE_NAME, DEVICE_NAME_LEN),
};
static void connected(struct bt_conn *conn, uint8_t err)
{
if (err) {
printk("Connection failed (err %u)\n", err);
} else {
printk("Connected\n");
}
}
static void disconnected(struct bt_conn *conn, uint8_t reason)
{
printk("Disconnected (reason %u)\n", reason);
}
static struct bt_conn_cb conn_callbacks = {
.connected = connected,
.disconnected = disconnected,
};
void ipss_init(void)
{
bt_gatt_register(attrs, ARRAY_SIZE(attrs));
bt_conn_cb_register(&conn_callbacks);
}
int ipss_advertise(void)
{
int err;
err = bt_le_adv_start(BT_LE_ADV_CONN, ad, ARRAY_SIZE(ad),
sd, ARRAY_SIZE(sd));
if (err) {
return err;
}
return 0;
}