M7350/external/bluetooth/bluez/plugins/gatt-example.c
2024-09-09 08:57:42 +00:00

576 lines
17 KiB
C

/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2010 Nokia Corporation
* Copyright (C) 2010 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include <errno.h>
#include "lib/uuid.h"
#include "src/plugin.h"
#include "src/adapter.h"
#include "src/shared/util.h"
#include "src/log.h"
#include "attrib/gattrib.h"
#include "attrib/gatt-service.h"
#include "attrib/att.h"
#include "attrib/gatt.h"
#include "attrib/att-database.h"
#include "src/attrib-server.h"
/* FIXME: Not defined by SIG? UUID128? */
#define OPCODES_SUPPORTED_UUID 0xA001
#define BATTERY_STATE_SVC_UUID 0xA002
#define BATTERY_STATE_UUID 0xA003
#define THERM_HUMIDITY_SVC_UUID 0xA004
#define MANUFACTURER_SVC_UUID 0xA005
#define TEMPERATURE_UUID 0xA006
#define FMT_CELSIUS_UUID 0xA007
#define FMT_OUTSIDE_UUID 0xA008
#define RELATIVE_HUMIDITY_UUID 0xA009
#define FMT_PERCENT_UUID 0xA00A
#define BLUETOOTH_SIG_UUID 0xA00B
#define MANUFACTURER_NAME_UUID 0xA00C
#define MANUFACTURER_SERIAL_UUID 0xA00D
#define VENDOR_SPECIFIC_SVC_UUID 0xA00E
#define VENDOR_SPECIFIC_TYPE_UUID 0xA00F
#define FMT_KILOGRAM_UUID 0xA010
#define FMT_HANGING_UUID 0xA011
struct gatt_example_adapter {
struct btd_adapter *adapter;
GSList *sdp_handles;
};
static GSList *adapters = NULL;
static void gatt_example_adapter_free(struct gatt_example_adapter *gadapter)
{
while (gadapter->sdp_handles != NULL) {
uint32_t handle = GPOINTER_TO_UINT(gadapter->sdp_handles->data);
attrib_free_sdp(gadapter->adapter, handle);
gadapter->sdp_handles = g_slist_remove(gadapter->sdp_handles,
gadapter->sdp_handles->data);
}
if (gadapter->adapter != NULL)
btd_adapter_unref(gadapter->adapter);
g_free(gadapter);
}
static int adapter_cmp(gconstpointer a, gconstpointer b)
{
const struct gatt_example_adapter *gatt_adapter = a;
const struct btd_adapter *adapter = b;
if (gatt_adapter->adapter == adapter)
return 0;
return -1;
}
static uint8_t battery_state_read(struct attribute *a,
struct btd_device *device, gpointer user_data)
{
struct btd_adapter *adapter = user_data;
uint8_t value;
value = 0x04;
attrib_db_update(adapter, a->handle, NULL, &value, sizeof(value), NULL);
return 0;
}
static gboolean register_battery_service(struct btd_adapter *adapter)
{
bt_uuid_t uuid;
bt_uuid16_create(&uuid, BATTERY_STATE_SVC_UUID);
return gatt_service_add(adapter, GATT_PRIM_SVC_UUID, &uuid,
/* battery state characteristic */
GATT_OPT_CHR_UUID16, BATTERY_STATE_UUID,
GATT_OPT_CHR_PROPS, GATT_CHR_PROP_READ |
GATT_CHR_PROP_NOTIFY,
GATT_OPT_CHR_VALUE_CB, ATTRIB_READ,
battery_state_read, adapter,
GATT_OPT_INVALID);
}
static void register_termometer_service(struct gatt_example_adapter *adapter,
const uint16_t manuf1[2], const uint16_t manuf2[2])
{
const char *desc_out_temp = "Outside Temperature";
const char *desc_out_hum = "Outside Relative Humidity";
uint16_t start_handle, h;
const int svc_size = 11;
uint32_t sdp_handle;
uint8_t atval[256];
bt_uuid_t uuid;
int len;
bt_uuid16_create(&uuid, THERM_HUMIDITY_SVC_UUID);
start_handle = attrib_db_find_avail(adapter->adapter, &uuid, svc_size);
if (start_handle == 0) {
error("Not enough free handles to register service");
return;
}
DBG("start_handle=0x%04x manuf1=0x%04x-0x%04x, manuf2=0x%04x-0x%04x",
start_handle, manuf1[0], manuf1[1], manuf2[0], manuf2[1]);
h = start_handle;
/* Thermometer: primary service definition */
bt_uuid16_create(&uuid, GATT_PRIM_SVC_UUID);
put_le16(THERM_HUMIDITY_SVC_UUID, &atval[0]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 2);
bt_uuid16_create(&uuid, GATT_INCLUDE_UUID);
/* Thermometer: Include */
if (manuf1[0] && manuf1[1]) {
put_le16(manuf1[0], &atval[0]);
put_le16(manuf1[1], &atval[2]);
put_le16(MANUFACTURER_SVC_UUID, &atval[4]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE,
ATT_NOT_PERMITTED, atval, 6);
}
/* Thermometer: Include */
if (manuf2[0] && manuf2[1]) {
put_le16(manuf2[0], &atval[0]);
put_le16(manuf2[1], &atval[2]);
put_le16(VENDOR_SPECIFIC_SVC_UUID, &atval[4]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE,
ATT_NOT_PERMITTED, atval, 6);
}
/* Thermometer: temperature characteristic */
bt_uuid16_create(&uuid, GATT_CHARAC_UUID);
atval[0] = GATT_CHR_PROP_READ;
put_le16(h + 1, &atval[1]);
put_le16(TEMPERATURE_UUID, &atval[3]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 5);
/* Thermometer: temperature characteristic value */
bt_uuid16_create(&uuid, TEMPERATURE_UUID);
atval[0] = 0x8A;
atval[1] = 0x02;
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 2);
/* Thermometer: temperature characteristic format */
bt_uuid16_create(&uuid, GATT_CHARAC_FMT_UUID);
atval[0] = 0x0E;
atval[1] = 0xFE;
put_le16(FMT_CELSIUS_UUID, &atval[2]);
atval[4] = 0x01;
put_le16(FMT_OUTSIDE_UUID, &atval[5]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 7);
/* Thermometer: characteristic user description */
bt_uuid16_create(&uuid, GATT_CHARAC_USER_DESC_UUID);
len = strlen(desc_out_temp);
strncpy((char *) atval, desc_out_temp, len);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, len);
/* Thermometer: relative humidity characteristic */
bt_uuid16_create(&uuid, GATT_CHARAC_UUID);
atval[0] = GATT_CHR_PROP_READ;
put_le16(h + 1, &atval[1]);
put_le16(RELATIVE_HUMIDITY_UUID, &atval[3]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 5);
/* Thermometer: relative humidity value */
bt_uuid16_create(&uuid, RELATIVE_HUMIDITY_UUID);
atval[0] = 0x27;
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 1);
/* Thermometer: relative humidity characteristic format */
bt_uuid16_create(&uuid, GATT_CHARAC_FMT_UUID);
atval[0] = 0x04;
atval[1] = 0x00;
put_le16(FMT_PERCENT_UUID, &atval[2]);
put_le16(BLUETOOTH_SIG_UUID, &atval[4]);
put_le16(FMT_OUTSIDE_UUID, &atval[6]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 8);
/* Thermometer: characteristic user description */
bt_uuid16_create(&uuid, GATT_CHARAC_USER_DESC_UUID);
len = strlen(desc_out_hum);
strncpy((char *) atval, desc_out_hum, len);
attrib_db_add(adapter->adapter, h, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, len);
g_assert(h - start_handle + 1 == svc_size);
/* Add an SDP record for the above service */
sdp_handle = attrib_create_sdp(adapter->adapter, start_handle,
"Thermometer");
if (sdp_handle)
adapter->sdp_handles = g_slist_prepend(adapter->sdp_handles,
GUINT_TO_POINTER(sdp_handle));
}
static void register_manuf1_service(struct gatt_example_adapter *adapter,
uint16_t range[2])
{
const char *manufacturer_name1 = "ACME Temperature Sensor";
const char *serial1 = "237495-3282-A";
uint16_t start_handle, h;
const int svc_size = 5;
uint8_t atval[256];
bt_uuid_t uuid;
int len;
bt_uuid16_create(&uuid, MANUFACTURER_SVC_UUID);
start_handle = attrib_db_find_avail(adapter->adapter, &uuid, svc_size);
if (start_handle == 0) {
error("Not enough free handles to register service");
return;
}
DBG("start_handle=0x%04x", start_handle);
h = start_handle;
/* Secondary Service: Manufacturer Service */
bt_uuid16_create(&uuid, GATT_SND_SVC_UUID);
put_le16(MANUFACTURER_SVC_UUID, &atval[0]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 2);
/* Manufacturer name characteristic definition */
bt_uuid16_create(&uuid, GATT_CHARAC_UUID);
atval[0] = GATT_CHR_PROP_READ;
put_le16(h + 1, &atval[1]);
put_le16(MANUFACTURER_NAME_UUID, &atval[3]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 5);
/* Manufacturer name characteristic value */
bt_uuid16_create(&uuid, MANUFACTURER_NAME_UUID);
len = strlen(manufacturer_name1);
strncpy((char *) atval, manufacturer_name1, len);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, len);
/* Manufacturer serial number characteristic */
bt_uuid16_create(&uuid, GATT_CHARAC_UUID);
atval[0] = GATT_CHR_PROP_READ;
put_le16(h + 1, &atval[1]);
put_le16(MANUFACTURER_SERIAL_UUID, &atval[3]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 5);
/* Manufacturer serial number characteristic value */
bt_uuid16_create(&uuid, MANUFACTURER_SERIAL_UUID);
len = strlen(serial1);
strncpy((char *) atval, serial1, len);
attrib_db_add(adapter->adapter, h, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, len);
g_assert(h - start_handle + 1 == svc_size);
range[0] = start_handle;
range[1] = start_handle + svc_size - 1;
}
static void register_manuf2_service(struct gatt_example_adapter *adapter,
uint16_t range[2])
{
const char *manufacturer_name2 = "ACME Weighing Scales";
const char *serial2 = "11267-2327A00239";
uint16_t start_handle, h;
const int svc_size = 5;
uint8_t atval[256];
bt_uuid_t uuid;
int len;
bt_uuid16_create(&uuid, MANUFACTURER_SVC_UUID);
start_handle = attrib_db_find_avail(adapter->adapter, &uuid, svc_size);
if (start_handle == 0) {
error("Not enough free handles to register service");
return;
}
DBG("start_handle=0x%04x", start_handle);
h = start_handle;
/* Secondary Service: Manufacturer Service */
bt_uuid16_create(&uuid, GATT_SND_SVC_UUID);
put_le16(MANUFACTURER_SVC_UUID, &atval[0]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 2);
/* Manufacturer name characteristic definition */
bt_uuid16_create(&uuid, GATT_CHARAC_UUID);
atval[0] = GATT_CHR_PROP_READ;
put_le16(h + 1, &atval[1]);
put_le16(MANUFACTURER_NAME_UUID, &atval[3]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 5);
/* Manufacturer name attribute */
bt_uuid16_create(&uuid, MANUFACTURER_NAME_UUID);
len = strlen(manufacturer_name2);
strncpy((char *) atval, manufacturer_name2, len);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, len);
/* Characteristic: serial number */
bt_uuid16_create(&uuid, GATT_CHARAC_UUID);
atval[0] = GATT_CHR_PROP_READ;
put_le16(h + 1, &atval[1]);
put_le16(MANUFACTURER_SERIAL_UUID, &atval[3]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 5);
/* Serial number characteristic value */
bt_uuid16_create(&uuid, MANUFACTURER_SERIAL_UUID);
len = strlen(serial2);
strncpy((char *) atval, serial2, len);
attrib_db_add(adapter->adapter, h, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, len);
g_assert(h - start_handle + 1 == svc_size);
range[0] = start_handle;
range[1] = start_handle + svc_size - 1;
}
static void register_vendor_service(struct gatt_example_adapter *adapter,
uint16_t range[2])
{
uint16_t start_handle, h;
const int svc_size = 3;
uint8_t atval[256];
bt_uuid_t uuid;
bt_uuid16_create(&uuid, VENDOR_SPECIFIC_SVC_UUID);
start_handle = attrib_db_find_avail(adapter->adapter, &uuid, svc_size);
if (start_handle == 0) {
error("Not enough free handles to register service");
return;
}
DBG("start_handle=0x%04x", start_handle);
h = start_handle;
/* Secondary Service: Vendor Specific Service */
bt_uuid16_create(&uuid, GATT_SND_SVC_UUID);
put_le16(VENDOR_SPECIFIC_SVC_UUID, &atval[0]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 2);
/* Vendor Specific Type characteristic definition */
bt_uuid16_create(&uuid, GATT_CHARAC_UUID);
atval[0] = GATT_CHR_PROP_READ;
put_le16(h + 1, &atval[1]);
put_le16(VENDOR_SPECIFIC_TYPE_UUID, &atval[3]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 5);
/* Vendor Specific Type characteristic value */
bt_uuid16_create(&uuid, VENDOR_SPECIFIC_TYPE_UUID);
atval[0] = 0x56;
atval[1] = 0x65;
atval[2] = 0x6E;
atval[3] = 0x64;
atval[4] = 0x6F;
atval[5] = 0x72;
attrib_db_add(adapter->adapter, h, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 6);
g_assert(h - start_handle + 1 == svc_size);
range[0] = start_handle;
range[1] = start_handle + svc_size - 1;
}
static void register_weight_service(struct gatt_example_adapter *adapter,
const uint16_t vendor[2])
{
const char *desc_weight = "Rucksack Weight";
const uint128_t char_weight_uuid_btorder = {
.data = { 0x80, 0x88, 0xF2, 0x18, 0x90, 0x2C, 0x45, 0x0B,
0xB6, 0xC4, 0x62, 0x89, 0x1E, 0x8C, 0x25, 0xE9 } };
const uint128_t prim_weight_uuid_btorder = {
.data = { 0x4F, 0x0A, 0xC0, 0x96, 0x35, 0xD4, 0x49, 0x11,
0x96, 0x31, 0xDE, 0xA8, 0xDC, 0x74, 0xEE, 0xFE } };
uint128_t prim_weight_uuid, char_weight_uuid;
uint16_t start_handle, h;
const int svc_size = 6;
uint32_t sdp_handle;
uint8_t atval[256];
bt_uuid_t uuid;
int len;
btoh128(&char_weight_uuid_btorder, &char_weight_uuid);
btoh128(&prim_weight_uuid_btorder, &prim_weight_uuid);
bt_uuid128_create(&uuid, prim_weight_uuid);
start_handle = attrib_db_find_avail(adapter->adapter, &uuid, svc_size);
if (start_handle == 0) {
error("Not enough free handles to register service");
return;
}
DBG("start_handle=0x%04x, vendor=0x%04x-0x%04x", start_handle,
vendor[0], vendor[1]);
h = start_handle;
/* Weight service: primary service definition */
bt_uuid16_create(&uuid, GATT_PRIM_SVC_UUID);
memcpy(atval, &prim_weight_uuid_btorder, 16);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 16);
if (vendor[0] && vendor[1]) {
/* Weight: include */
bt_uuid16_create(&uuid, GATT_INCLUDE_UUID);
put_le16(vendor[0], &atval[0]);
put_le16(vendor[1], &atval[2]);
put_le16(MANUFACTURER_SVC_UUID, &atval[4]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE,
ATT_NOT_PERMITTED, atval, 6);
}
/* Weight: characteristic */
bt_uuid16_create(&uuid, GATT_CHARAC_UUID);
atval[0] = GATT_CHR_PROP_READ;
put_le16(h + 1, &atval[1]);
memcpy(&atval[3], &char_weight_uuid_btorder, 16);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 19);
/* Weight: characteristic value */
bt_uuid128_create(&uuid, char_weight_uuid);
atval[0] = 0x82;
atval[1] = 0x55;
atval[2] = 0x00;
atval[3] = 0x00;
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 4);
/* Weight: characteristic format */
bt_uuid16_create(&uuid, GATT_CHARAC_FMT_UUID);
atval[0] = 0x08;
atval[1] = 0xFD;
put_le16(FMT_KILOGRAM_UUID, &atval[2]);
put_le16(BLUETOOTH_SIG_UUID, &atval[4]);
put_le16(FMT_HANGING_UUID, &atval[6]);
attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, 8);
/* Weight: characteristic user description */
bt_uuid16_create(&uuid, GATT_CHARAC_USER_DESC_UUID);
len = strlen(desc_weight);
strncpy((char *) atval, desc_weight, len);
attrib_db_add(adapter->adapter, h, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
atval, len);
g_assert(h - start_handle + 1 == svc_size);
/* Add an SDP record for the above service */
sdp_handle = attrib_create_sdp(adapter->adapter, start_handle,
"Weight Service");
if (sdp_handle)
adapter->sdp_handles = g_slist_prepend(adapter->sdp_handles,
GUINT_TO_POINTER(sdp_handle));
}
static int gatt_example_adapter_probe(struct btd_adapter *adapter)
{
uint16_t manuf1_range[2] = {0, 0}, manuf2_range[2] = {0, 0};
uint16_t vendor_range[2] = {0, 0};
struct gatt_example_adapter *gadapter;
gadapter = g_new0(struct gatt_example_adapter, 1);
gadapter->adapter = btd_adapter_ref(adapter);
if (!register_battery_service(adapter)) {
DBG("Battery service could not be registered");
gatt_example_adapter_free(gadapter);
return -EIO;
}
register_manuf1_service(gadapter, manuf1_range);
register_manuf2_service(gadapter, manuf2_range);
register_termometer_service(gadapter, manuf1_range, manuf2_range);
register_vendor_service(gadapter, vendor_range);
register_weight_service(gadapter, vendor_range);
adapters = g_slist_append(adapters, gadapter);
return 0;
}
static void gatt_example_adapter_remove(struct btd_adapter *adapter)
{
struct gatt_example_adapter *gadapter;
GSList *l;
l = g_slist_find_custom(adapters, adapter, adapter_cmp);
if (l == NULL)
return;
gadapter = l->data;
adapters = g_slist_remove(adapters, gadapter);
gatt_example_adapter_free(gadapter);
}
static struct btd_adapter_driver gatt_example_adapter_driver = {
.name = "gatt-example-adapter-driver",
.probe = gatt_example_adapter_probe,
.remove = gatt_example_adapter_remove,
};
static int gatt_example_init(void)
{
return btd_register_adapter_driver(&gatt_example_adapter_driver);
}
static void gatt_example_exit(void)
{
btd_unregister_adapter_driver(&gatt_example_adapter_driver);
}
BLUETOOTH_PLUGIN_DEFINE(gatt_example, VERSION, BLUETOOTH_PLUGIN_PRIORITY_LOW,
gatt_example_init, gatt_example_exit)