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https://github.com/espressif/esp-idf.git
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1627 lines
59 KiB
C
1627 lines
59 KiB
C
/******************************************************************************
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*
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* Copyright (C) 1999-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* this file contains GATT interface functions
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*
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******************************************************************************/
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#include "common/bt_target.h"
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#if defined(BTA_GATT_INCLUDED) && (BTA_GATT_INCLUDED == TRUE)
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#include "osi/allocator.h"
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#include <string.h>
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#include "stack/gatt_api.h"
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#include "gatt_int.h"
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#include "stack/l2c_api.h"
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#include "btm_int.h"
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#include "stack/sdpdefs.h"
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#include "stack/sdp_api.h"
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/*******************************************************************************
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**
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** Function GATT_SetTraceLevel
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**
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** Description This function sets the trace level. If called with
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** a value of 0xFF, it simply returns the current trace level.
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**
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** Input Parameters:
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** level: The level to set the GATT tracing to:
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** 0xff-returns the current setting.
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** 0-turns off tracing.
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** >= 1-Errors.
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** >= 2-Warnings.
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** >= 3-APIs.
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** >= 4-Events.
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** >= 5-Debug.
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**
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** Returns The new or current trace level
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**
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*******************************************************************************/
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UINT8 GATT_SetTraceLevel (UINT8 new_level)
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{
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if (new_level != 0xFF) {
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gatt_cb.trace_level = new_level;
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}
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return (gatt_cb.trace_level);
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}
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#if (GATTS_INCLUDED == TRUE)
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/*****************************************************************************
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**
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** GATT SERVER API
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**
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******************************************************************************/
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/*******************************************************************************
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**
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** Function GATTS_AddHandleRange
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**
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** Description This function add the allocated handles range for the specifed
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** application UUID, service UUID and service instance
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**
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** Parameter p_hndl_range: pointer to allocated handles information
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**
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** Returns TRUE if handle range is added sucessfully; otherwise FALSE.
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**
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*******************************************************************************/
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BOOLEAN GATTS_AddHandleRange(tGATTS_HNDL_RANGE *p_hndl_range)
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{
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tGATT_HDL_LIST_ELEM *p_buf;
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BOOLEAN status = FALSE;
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if ((p_buf = gatt_alloc_hdl_buffer()) != NULL) {
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p_buf->asgn_range = *p_hndl_range;
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status = gatt_add_an_item_to_list(&gatt_cb.hdl_list_info, p_buf);
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}
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return status;
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}
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/*******************************************************************************
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**
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** Function GATTS_NVRegister
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**
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** Description Application manager calls this function to register for
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** NV save callback function. There can be one and only one
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** NV save callback function.
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**
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** Parameter p_cb_info : callback informaiton
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**
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** Returns TRUE if registered OK, else FALSE
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**
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*******************************************************************************/
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BOOLEAN GATTS_NVRegister (tGATT_APPL_INFO *p_cb_info)
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{
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BOOLEAN status = FALSE;
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if (p_cb_info) {
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gatt_cb.cb_info = *p_cb_info;
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status = TRUE;
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gatt_init_srv_chg();
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}
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return status;
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}
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/*******************************************************************************
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**
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** Function GATTS_CreateService
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**
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** Description This function is called to reserve a block of handles for a service.
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**
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** *** It should be called only once per service instance ***
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**
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** Parameter gatt_if : application if
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** p_svc_uuid : service UUID
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** svc_inst : instance of the service inside the application
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** num_handles : number of handles needed by the service.
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** is_pri : is a primary service or not.
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**
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** Returns service handle if sucessful, otherwise 0.
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**
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*******************************************************************************/
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UINT16 GATTS_CreateService (tGATT_IF gatt_if, tBT_UUID *p_svc_uuid,
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UINT16 svc_inst, UINT16 num_handles, BOOLEAN is_pri)
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{
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tGATT_HDL_LIST_INFO *p_list_info = &gatt_cb.hdl_list_info;
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tGATT_HDL_LIST_ELEM *p_list = NULL;
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UINT16 s_hdl = 0;
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BOOLEAN save_hdl = FALSE;
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tGATTS_PENDING_NEW_SRV_START *p_buf = NULL;
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tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
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tBT_UUID *p_app_uuid128;
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GATT_TRACE_API ("GATTS_CreateService\n" );
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if (p_reg == NULL) {
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GATT_TRACE_ERROR ("Inavlid gatt_if=%d\n", gatt_if);
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return (0);
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}
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p_app_uuid128 = &p_reg->app_uuid128;
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if ((p_list = gatt_find_hdl_buffer_by_app_id(p_app_uuid128, p_svc_uuid, svc_inst)) != NULL) {
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s_hdl = p_list->asgn_range.s_handle;
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GATT_TRACE_DEBUG ("Service already been created!!\n");
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} else {
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if ( (p_svc_uuid->len == LEN_UUID_16) && (p_svc_uuid->uu.uuid16 == UUID_SERVCLASS_GATT_SERVER)) {
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s_hdl = gatt_cb.hdl_cfg.gatt_start_hdl;
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} else if ((p_svc_uuid->len == LEN_UUID_16) && (p_svc_uuid->uu.uuid16 == UUID_SERVCLASS_GAP_SERVER)) {
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s_hdl = gatt_cb.hdl_cfg.gap_start_hdl;
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} else {
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p_list = p_list_info->p_first;
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if (p_list) {
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s_hdl = p_list->asgn_range.e_handle + 1;
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}
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if (s_hdl < gatt_cb.hdl_cfg.app_start_hdl) {
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s_hdl = gatt_cb.hdl_cfg.app_start_hdl;
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}
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save_hdl = TRUE;
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}
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/* check for space */
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if (num_handles > (0xFFFF - s_hdl + 1)) {
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GATT_TRACE_ERROR ("GATTS_ReserveHandles: no handles, s_hdl: %u needed: %u\n", s_hdl, num_handles);
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return (0);
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}
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if ( (p_list = gatt_alloc_hdl_buffer()) == NULL) {
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/* No free entry */
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GATT_TRACE_ERROR ("GATTS_ReserveHandles: no free handle blocks\n");
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return (0);
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}
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p_list->asgn_range.app_uuid128 = *p_app_uuid128;
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p_list->asgn_range.svc_uuid = *p_svc_uuid;
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p_list->asgn_range.svc_inst = svc_inst;
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p_list->asgn_range.s_handle = s_hdl;
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p_list->asgn_range.e_handle = s_hdl + num_handles - 1;
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p_list->asgn_range.is_primary = is_pri;
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gatt_add_an_item_to_list(p_list_info, p_list);
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if (save_hdl) {
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if (gatt_cb.cb_info.p_nv_save_callback) {
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(*gatt_cb.cb_info.p_nv_save_callback)(TRUE, &p_list->asgn_range);
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}
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/* add a pending new service change item to the list */
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if ( (p_buf = gatt_add_pending_new_srv_start(&p_list->asgn_range)) == NULL) {
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/* No free entry */
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GATT_TRACE_ERROR ("gatt_add_pending_new_srv_start: no free blocks\n");
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if (p_list) {
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gatt_remove_an_item_from_list(p_list_info, p_list);
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gatt_free_attr_value_buffer(p_list);
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gatt_free_hdl_buffer(p_list);
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}
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return (0);
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}
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GATT_TRACE_DEBUG ("Add a new srv chg item\n");
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}
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}
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if (!gatts_init_service_db(&p_list->svc_db, p_svc_uuid, is_pri, s_hdl , num_handles)) {
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GATT_TRACE_ERROR ("GATTS_ReserveHandles: service DB initialization failed\n");
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if (p_list) {
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gatt_remove_an_item_from_list(p_list_info, p_list);
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gatt_free_attr_value_buffer(p_list);
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gatt_free_hdl_buffer(p_list);
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}
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if (p_buf) {
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osi_free(fixed_queue_try_remove_from_queue(gatt_cb.pending_new_srv_start_q, p_buf));
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}
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return (0);
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}
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return (s_hdl);
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}
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/*******************************************************************************
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**
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** Function GATTS_AddIncludeService
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**
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** Description This function is called to add an included service.
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**
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** Parameter service_handle : To which service this included service is added to.
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** include_svc_handle : included service handle.
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**
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** Returns included service attribute handle. If 0, add included service
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** fail.
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**
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*******************************************************************************/
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UINT16 GATTS_AddIncludeService (UINT16 service_handle, UINT16 include_svc_handle)
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{
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tGATT_HDL_LIST_ELEM *p_decl, *p_incl_decl;
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if ((p_decl = gatt_find_hdl_buffer_by_handle(service_handle)) == NULL) {
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GATT_TRACE_DEBUG("Service not created");
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return 0;
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}
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if ((p_incl_decl = gatt_find_hdl_buffer_by_handle(include_svc_handle)) == NULL) {
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GATT_TRACE_DEBUG("Included Service not created");
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return 0;
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}
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return gatts_add_included_service(&p_decl->svc_db,
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p_incl_decl->asgn_range.s_handle,
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p_incl_decl->asgn_range.e_handle,
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p_incl_decl->asgn_range.svc_uuid);
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}
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/*******************************************************************************
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**
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** Function GATTS_AddCharacteristic
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**
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** Description This function is called to add a characteristic into a service.
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** It will add a characteristic declaration and characteristic
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** value declaration into the service database identified by the
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** service handle.
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**
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** Parameter service_handle : To which service this included service is added to.
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** char_uuid : Characteristic UUID.
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** perm : Characteristic value declaration attribute permission.
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** property : Characteristic Properties
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**
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** Returns Characteristic value declaration attribute handle. 0 if failed.
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**
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*******************************************************************************/
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UINT16 GATTS_AddCharacteristic (UINT16 service_handle, tBT_UUID *p_char_uuid,
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tGATT_PERM perm, tGATT_CHAR_PROP property,
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tGATT_ATTR_VAL *attr_val, tGATTS_ATTR_CONTROL *control)
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{
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tGATT_HDL_LIST_ELEM *p_decl;
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if ((p_decl = gatt_find_hdl_buffer_by_handle(service_handle)) == NULL) {
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GATT_TRACE_DEBUG("Service not created\n");
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return 0;
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}
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/* data validity checking */
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if ( ((property & GATT_CHAR_PROP_BIT_AUTH) && !(perm & GATT_WRITE_SIGNED_PERM)) ||
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((perm & GATT_WRITE_SIGNED_PERM) && !(property & GATT_CHAR_PROP_BIT_AUTH)) ) {
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GATT_TRACE_DEBUG("Invalid configuration property=0x%x perm=0x%x\n ", property, perm);
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return 0;
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}
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return gatts_add_characteristic(&p_decl->svc_db,
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perm,
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property,
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p_char_uuid,
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attr_val, control);
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}
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/*******************************************************************************
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**
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** Function GATTS_AddCharDescriptor
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**
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** Description This function is called to add a characteristic descriptor
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** into a service database. Add descriptor should follow add char
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** to which it belongs, and next add char should be done only
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** after all add descriptors for the previous char.
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**
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** Parameter service_handle : To which service this characteristic descriptor
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** is added to.
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** perm : Characteristic value declaration attribute
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** permission.
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** p_descr_uuid : Characteristic descriptor UUID
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**
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** Returns Characteristic descriptor attribute handle. 0 if add
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** characteristic descriptor failed.
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**
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*******************************************************************************/
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UINT16 GATTS_AddCharDescriptor (UINT16 service_handle,
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tGATT_PERM perm,
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tBT_UUID *p_descr_uuid, tGATT_ATTR_VAL *attr_val, tGATTS_ATTR_CONTROL *control)
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{
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tGATT_HDL_LIST_ELEM *p_decl;
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if ((p_decl = gatt_find_hdl_buffer_by_handle(service_handle)) == NULL) {
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GATT_TRACE_DEBUG("Service not created");
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return 0;
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}
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if (p_descr_uuid == NULL ||
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(p_descr_uuid->len != LEN_UUID_128 && p_descr_uuid->len != LEN_UUID_16
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&& p_descr_uuid->len != LEN_UUID_32)) {
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GATT_TRACE_DEBUG("Illegal parameter");
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return 0;
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}
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return gatts_add_char_descr(&p_decl->svc_db,
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perm,
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p_descr_uuid,
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attr_val, control);
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}
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/*******************************************************************************
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**
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** Function GATTS_DeleteService
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**
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** Description This function is called to delete a service.
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**
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** Parameter gatt_if : application interface
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** p_svc_uuid : service UUID
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** svc_inst : instance of the service inside the application
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**
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** Returns TRUE if operation succeed, FALSE if handle block was not found.
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**
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*******************************************************************************/
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BOOLEAN GATTS_DeleteService (tGATT_IF gatt_if, tBT_UUID *p_svc_uuid, UINT16 svc_inst)
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{
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tGATT_HDL_LIST_INFO *p_list_info = &gatt_cb.hdl_list_info;
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tGATT_HDL_LIST_ELEM *p_list = NULL;
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UINT8 i_sreg;
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tGATTS_PENDING_NEW_SRV_START *p_buf;
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tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
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tBT_UUID *p_app_uuid128;
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GATT_TRACE_DEBUG ("GATTS_DeleteService");
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if (p_reg == NULL) {
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GATT_TRACE_ERROR ("Applicaiton not foud");
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return (FALSE);
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}
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p_app_uuid128 = &p_reg->app_uuid128;
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if ((p_list = gatt_find_hdl_buffer_by_app_id(p_app_uuid128, p_svc_uuid, svc_inst)) == NULL) {
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GATT_TRACE_ERROR ("No Service found");
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return (FALSE);
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}
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if ( (p_buf = gatt_sr_is_new_srv_chg(&p_list->asgn_range.app_uuid128,
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&p_list->asgn_range.svc_uuid,
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p_list->asgn_range.svc_inst)) != NULL) {
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GATT_TRACE_DEBUG ("Delete a new service changed item - the service has not yet started");
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osi_free(fixed_queue_try_remove_from_queue(gatt_cb.pending_new_srv_start_q, p_buf));
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} else {
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if (GATTS_SEND_SERVICE_CHANGE_MODE == GATTS_SEND_SERVICE_CHANGE_AUTO) {
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gatt_proc_srv_chg();
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}
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}
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if ((i_sreg = gatt_sr_find_i_rcb_by_app_id (p_app_uuid128,
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p_svc_uuid,
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svc_inst)) != GATT_MAX_SR_PROFILES) {
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GATTS_StopService(gatt_cb.sr_reg[i_sreg].s_hdl);
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}
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GATT_TRACE_DEBUG ("released handles s_hdl=%u e_hdl=%u",
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p_list->asgn_range.s_handle , p_list->asgn_range.e_handle );
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if ( (p_list->asgn_range.s_handle >= gatt_cb.hdl_cfg.app_start_hdl)
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&& gatt_cb.cb_info.p_nv_save_callback) {
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(*gatt_cb.cb_info.p_nv_save_callback)(FALSE, &p_list->asgn_range);
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}
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gatt_remove_an_item_from_list(p_list_info, p_list);
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gatt_free_attr_value_buffer(p_list);
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gatt_free_hdl_buffer(p_list);
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return (TRUE);
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}
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/*******************************************************************************
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**
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** Function GATTS_StartService
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**
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** Description This function is called to start a service with GATT
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**
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** Parameter gatt_if : service handle.
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** p_cback : application service callback functions.
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** sup_transport : supported transport(s) for this primary service
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**
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** return GATT_SUCCESS if sucessfully started; otherwise error code.
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**
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*******************************************************************************/
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tGATT_STATUS GATTS_StartService (tGATT_IF gatt_if, UINT16 service_handle,
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tGATT_TRANSPORT sup_transport)
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{
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tGATT_SR_REG *p_sreg;
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tGATT_HDL_LIST_ELEM *p_list = NULL;
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UINT8 i_sreg;
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#if (SDP_INCLUDED == TRUE)
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tBT_UUID *p_uuid;
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#endif ///SDP_INCLUDED == TRUE
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tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
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tGATTS_PENDING_NEW_SRV_START *p_buf;
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GATT_TRACE_API ("GATTS_StartService");
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if (p_reg == NULL) {
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/* Not found */
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GATT_TRACE_ERROR ("Applicaiton not found ");
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return GATT_NOT_FOUND;
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}
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if ((p_list = gatt_find_hdl_buffer_by_handle(service_handle)) == NULL) {
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/* Not found */
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GATT_TRACE_ERROR ("no service found");
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return GATT_NOT_FOUND;
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}
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if (gatt_sr_find_i_rcb_by_app_id (&p_list->asgn_range.app_uuid128,
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&p_list->asgn_range.svc_uuid,
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p_list->asgn_range.svc_inst) != GATT_MAX_SR_PROFILES) {
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GATT_TRACE_ERROR ("Duplicate Service start - Service already started");
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return GATT_SERVICE_STARTED;
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}
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|
|
/*this is a new application servoce start */
|
|
if ((i_sreg = gatt_sr_alloc_rcb(p_list)) == GATT_MAX_SR_PROFILES) {
|
|
GATT_TRACE_ERROR ("GATTS_StartService: no free server registration block");
|
|
return GATT_NO_RESOURCES;
|
|
}
|
|
|
|
p_sreg = &gatt_cb.sr_reg[i_sreg];
|
|
p_sreg->gatt_if = gatt_if;
|
|
|
|
switch (sup_transport) {
|
|
case GATT_TRANSPORT_BR_EDR:
|
|
case GATT_TRANSPORT_LE_BR_EDR:
|
|
if (p_sreg->type == GATT_UUID_PRI_SERVICE) {
|
|
#if (SDP_INCLUDED == TRUE)
|
|
p_uuid = gatts_get_service_uuid (p_sreg->p_db);
|
|
p_sreg->sdp_handle = gatt_add_sdp_record(p_uuid, p_sreg->s_hdl, p_sreg->e_hdl);
|
|
#endif ///SDP_INCLUDED == TRUE
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
gatts_update_srv_list_elem(i_sreg, p_sreg->s_hdl,
|
|
p_list->asgn_range.is_primary);
|
|
|
|
gatt_add_a_srv_to_list(&gatt_cb.srv_list_info, &gatt_cb.srv_list[i_sreg]);
|
|
|
|
GATT_TRACE_DEBUG ("allocated i_sreg=%d\n", i_sreg);
|
|
|
|
GATT_TRACE_DEBUG ("s_hdl=%d e_hdl=%d type=0x%x svc_inst=%d sdp_hdl=0x%x\n",
|
|
p_sreg->s_hdl, p_sreg->e_hdl,
|
|
p_sreg->type, p_sreg->service_instance,
|
|
p_sreg->sdp_handle);
|
|
|
|
|
|
if ( (p_buf = gatt_sr_is_new_srv_chg(&p_list->asgn_range.app_uuid128,
|
|
&p_list->asgn_range.svc_uuid,
|
|
p_list->asgn_range.svc_inst)) != NULL) {
|
|
if (GATTS_SEND_SERVICE_CHANGE_MODE == GATTS_SEND_SERVICE_CHANGE_AUTO) {
|
|
gatt_proc_srv_chg();
|
|
}
|
|
/* remove the new service element after the srv changed processing is completed*/
|
|
|
|
osi_free(fixed_queue_try_remove_from_queue(gatt_cb.pending_new_srv_start_q, p_buf));
|
|
}
|
|
return GATT_SUCCESS;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTS_StopService
|
|
**
|
|
** Description This function is called to stop a service
|
|
**
|
|
** Parameter service_handle : this is the start handle of a service
|
|
**
|
|
** Returns None.
|
|
**
|
|
*******************************************************************************/
|
|
void GATTS_StopService (UINT16 service_handle)
|
|
{
|
|
UINT8 ii = gatt_sr_find_i_rcb_by_handle(service_handle);
|
|
|
|
GATT_TRACE_API("GATTS_StopService %u", service_handle);
|
|
|
|
/* Index 0 is reserved for GATT, and is never stopped */
|
|
if ( (ii > 0) && (ii < GATT_MAX_SR_PROFILES) && (gatt_cb.sr_reg[ii].in_use) ) {
|
|
#if(SDP_INCLUDED == TRUE)
|
|
if (gatt_cb.sr_reg[ii].sdp_handle) {
|
|
SDP_DeleteRecord(gatt_cb.sr_reg[ii].sdp_handle);
|
|
}
|
|
#endif ///SDP_INCLUDED == TRUE
|
|
gatt_remove_a_srv_from_list(&gatt_cb.srv_list_info, &gatt_cb.srv_list[ii]);
|
|
gatt_cb.srv_list[ii].in_use = FALSE;
|
|
memset (&gatt_cb.sr_reg[ii], 0, sizeof(tGATT_SR_REG));
|
|
} else {
|
|
GATT_TRACE_ERROR("GATTS_StopService service_handle: %u is not in use", service_handle);
|
|
}
|
|
}
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTs_HandleValueIndication
|
|
**
|
|
** Description This function sends a handle value indication to a client.
|
|
**
|
|
** Parameter conn_id: connection identifier.
|
|
** attr_handle: Attribute handle of this handle value indication.
|
|
** val_len: Length of the indicated attribute value.
|
|
** p_val: Pointer to the indicated attribute value data.
|
|
**
|
|
** Returns GATT_SUCCESS if sucessfully sent or queued; otherwise error code.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTS_HandleValueIndication (UINT16 conn_id, UINT16 attr_handle, UINT16 val_len, UINT8 *p_val)
|
|
{
|
|
tGATT_STATUS cmd_status = GATT_NO_RESOURCES;
|
|
|
|
tGATT_VALUE indication;
|
|
BT_HDR *p_msg;
|
|
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
|
|
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
|
|
|
|
|
|
GATT_TRACE_API ("GATTS_HandleValueIndication");
|
|
if ( (p_reg == NULL) || (p_tcb == NULL)) {
|
|
GATT_TRACE_ERROR ("GATTS_HandleValueIndication Unknown conn_id: %u ", conn_id);
|
|
return (tGATT_STATUS) GATT_INVALID_CONN_ID;
|
|
}
|
|
|
|
if (! GATT_HANDLE_IS_VALID (attr_handle)) {
|
|
return GATT_ILLEGAL_PARAMETER;
|
|
}
|
|
|
|
indication.conn_id = conn_id;
|
|
indication.handle = attr_handle;
|
|
indication.len = val_len;
|
|
memcpy (indication.value, p_val, val_len);
|
|
indication.auth_req = GATT_AUTH_REQ_NONE;
|
|
|
|
if (GATT_HANDLE_IS_VALID(p_tcb->indicate_handle)) {
|
|
/* TODO: need to further check whether deleting pending queue here cause reducing transport performance */
|
|
/*
|
|
GATT_TRACE_DEBUG ("Add a pending indication");
|
|
if ((p_buf = gatt_add_pending_ind(p_tcb, &indication)) != NULL) {
|
|
cmd_status = GATT_SUCCESS;
|
|
} else {
|
|
cmd_status = GATT_NO_RESOURCES;
|
|
}
|
|
*/
|
|
return GATT_BUSY;
|
|
} else {
|
|
|
|
if ( (p_msg = attp_build_sr_msg (p_tcb, GATT_HANDLE_VALUE_IND, (tGATT_SR_MSG *)&indication)) != NULL) {
|
|
cmd_status = attp_send_sr_msg (p_tcb, p_msg);
|
|
|
|
if (cmd_status == GATT_SUCCESS || cmd_status == GATT_CONGESTED) {
|
|
p_tcb->indicate_handle = indication.handle;
|
|
gatt_start_conf_timer(p_tcb);
|
|
}
|
|
}
|
|
}
|
|
return cmd_status;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTS_HandleValueNotification
|
|
**
|
|
** Description This function sends a handle value notification to a client.
|
|
**
|
|
** Parameter conn_id: connection identifier.
|
|
** attr_handle: Attribute handle of this handle value indication.
|
|
** val_len: Length of the indicated attribute value.
|
|
** p_val: Pointer to the indicated attribute value data.
|
|
**
|
|
** Returns GATT_SUCCESS if sucessfully sent; otherwise error code.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTS_HandleValueNotification (UINT16 conn_id, UINT16 attr_handle,
|
|
UINT16 val_len, UINT8 *p_val)
|
|
{
|
|
tGATT_STATUS cmd_sent = GATT_ILLEGAL_PARAMETER;
|
|
BT_HDR *p_buf;
|
|
tGATT_VALUE notif;
|
|
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
|
|
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
|
|
|
|
GATT_TRACE_API ("GATTS_HandleValueNotification");
|
|
|
|
if ( (p_reg == NULL) || (p_tcb == NULL)) {
|
|
GATT_TRACE_ERROR ("GATTS_HandleValueNotification Unknown conn_id: %u \n", conn_id);
|
|
return (tGATT_STATUS) GATT_INVALID_CONN_ID;
|
|
}
|
|
|
|
if (GATT_HANDLE_IS_VALID (attr_handle)) {
|
|
notif.handle = attr_handle;
|
|
notif.len = val_len;
|
|
memcpy (notif.value, p_val, val_len);
|
|
notif.auth_req = GATT_AUTH_REQ_NONE;
|
|
|
|
if ((p_buf = attp_build_sr_msg (p_tcb, GATT_HANDLE_VALUE_NOTIF, (tGATT_SR_MSG *)¬if))
|
|
!= NULL) {
|
|
cmd_sent = attp_send_sr_msg (p_tcb, p_buf);
|
|
} else {
|
|
cmd_sent = GATT_NO_RESOURCES;
|
|
}
|
|
}
|
|
return cmd_sent;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTS_SendRsp
|
|
**
|
|
** Description This function sends the server response to client.
|
|
**
|
|
** Parameter conn_id: connection identifier.
|
|
** trans_id: transaction id
|
|
** status: response status
|
|
** p_msg: pointer to message parameters structure.
|
|
**
|
|
** Returns GATT_SUCCESS if sucessfully sent; otherwise error code.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTS_SendRsp (UINT16 conn_id, UINT32 trans_id,
|
|
tGATT_STATUS status, tGATTS_RSP *p_msg)
|
|
{
|
|
tGATT_STATUS cmd_sent = GATT_ILLEGAL_PARAMETER;
|
|
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
|
|
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
|
|
|
|
GATT_TRACE_API ("GATTS_SendRsp: conn_id: %u trans_id: %u Status: 0x%04x\n",
|
|
conn_id, trans_id, status);
|
|
|
|
if ( (p_reg == NULL) || (p_tcb == NULL)) {
|
|
GATT_TRACE_ERROR ("GATTS_SendRsp Unknown conn_id: %u\n", conn_id);
|
|
return (tGATT_STATUS) GATT_INVALID_CONN_ID;
|
|
}
|
|
|
|
if (p_tcb->sr_cmd.trans_id != trans_id) {
|
|
GATT_TRACE_ERROR ("GATTS_SendRsp conn_id: %u waiting for op_code = %02x\n",
|
|
conn_id, p_tcb->sr_cmd.op_code);
|
|
|
|
return (GATT_WRONG_STATE);
|
|
}
|
|
/* Process App response */
|
|
cmd_sent = gatt_sr_process_app_rsp (p_tcb, gatt_if, trans_id, p_tcb->sr_cmd.op_code, status, p_msg);
|
|
|
|
return cmd_sent;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTS_SetAttributeValue
|
|
**
|
|
** Description This function sends to set the attribute value .
|
|
**
|
|
** Parameter attr_handle:the attribute handle
|
|
** length: the attribute length
|
|
** value: the value to be set to the attribute in the database
|
|
**
|
|
** Returns GATT_SUCCESS if successfully sent; otherwise error code.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTS_SetAttributeValue(UINT16 attr_handle, UINT16 length, UINT8 *value)
|
|
{
|
|
tGATT_STATUS status;
|
|
tGATT_HDL_LIST_ELEM *p_decl = NULL;
|
|
|
|
GATT_TRACE_DEBUG("GATTS_SetAttributeValue: attr_handle: %u length: %u \n",
|
|
attr_handle, length);
|
|
if (length <= 0){
|
|
return GATT_INVALID_ATTR_LEN;
|
|
}
|
|
if ((p_decl = gatt_find_hdl_buffer_by_attr_handle(attr_handle)) == NULL) {
|
|
GATT_TRACE_DEBUG("Service not created\n");
|
|
return GATT_INVALID_HANDLE;
|
|
}
|
|
|
|
status = gatts_set_attribute_value(&p_decl->svc_db, attr_handle, length, value);
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTS_GetAttributeValue
|
|
**
|
|
** Description This function sends to set the attribute value .
|
|
**
|
|
** Parameter attr_handle: the attribute handle
|
|
** length:the attribute value length in the database
|
|
** value: the attribute value out put
|
|
**
|
|
** Returns GATT_SUCCESS if successfully sent; otherwise error code.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTS_GetAttributeValue(UINT16 attr_handle, UINT16 *length, UINT8 **value)
|
|
{
|
|
tGATT_STATUS status;
|
|
tGATT_HDL_LIST_ELEM *p_decl;
|
|
|
|
GATT_TRACE_DEBUG("GATTS_GetAttributeValue: attr_handle: %u\n",
|
|
attr_handle);
|
|
|
|
if ((p_decl = gatt_find_hdl_buffer_by_attr_handle(attr_handle)) == NULL) {
|
|
GATT_TRACE_ERROR("Service not created\n");
|
|
return GATT_INVALID_HANDLE;
|
|
}
|
|
|
|
status = gatts_get_attribute_value(&p_decl->svc_db, attr_handle, length, value);
|
|
return status;
|
|
}
|
|
#endif ///GATTS_INCLUDED == TRUE
|
|
|
|
|
|
#if (GATTC_INCLUDED == TRUE)
|
|
/*******************************************************************************/
|
|
/* GATT Profile Srvr Functions */
|
|
/*******************************************************************************/
|
|
|
|
/*******************************************************************************/
|
|
/* */
|
|
/* GATT CLIENT APIs */
|
|
/* */
|
|
/*******************************************************************************/
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTC_ConfigureMTU
|
|
**
|
|
** Description This function is called to configure the ATT MTU size.
|
|
**
|
|
** Parameters conn_id: connection identifier.
|
|
** mtu - attribute MTU size..
|
|
**
|
|
** Returns GATT_SUCCESS if command started successfully.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTC_ConfigureMTU (UINT16 conn_id)
|
|
{
|
|
UINT8 ret = GATT_NO_RESOURCES;
|
|
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
|
|
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
|
|
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
|
|
tGATT_CLCB *p_clcb;
|
|
uint16_t mtu = gatt_get_local_mtu();
|
|
|
|
GATT_TRACE_API ("GATTC_ConfigureMTU conn_id=%d mtu=%d", conn_id, mtu );
|
|
|
|
/* Validate that the link is BLE, not BR/EDR */
|
|
if (p_tcb->transport != BT_TRANSPORT_LE) {
|
|
return GATT_ERROR;
|
|
}
|
|
|
|
if ( (p_tcb == NULL) || (p_reg == NULL) || (mtu < GATT_DEF_BLE_MTU_SIZE) || (mtu > GATT_MAX_MTU_SIZE)) {
|
|
return GATT_ILLEGAL_PARAMETER;
|
|
}
|
|
|
|
if (gatt_is_clcb_allocated(conn_id)) {
|
|
GATT_TRACE_ERROR("GATTC_ConfigureMTU GATT_BUSY conn_id = %d", conn_id);
|
|
return GATT_BUSY;
|
|
}
|
|
|
|
if ((p_clcb = gatt_clcb_alloc(conn_id)) != NULL) {
|
|
p_clcb->p_tcb->payload_size = mtu;
|
|
p_clcb->operation = GATTC_OPTYPE_CONFIG;
|
|
|
|
ret = attp_send_cl_msg (p_clcb->p_tcb, p_clcb->clcb_idx, GATT_REQ_MTU, (tGATT_CL_MSG *)&mtu);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTC_Discover
|
|
**
|
|
** Description This function is called to do a discovery procedure on ATT server.
|
|
**
|
|
** Parameters conn_id: connection identifier.
|
|
** disc_type:discovery type.
|
|
** p_param: parameters of discovery requirement.
|
|
**
|
|
** Returns GATT_SUCCESS if command received/sent successfully.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTC_Discover (UINT16 conn_id, tGATT_DISC_TYPE disc_type,
|
|
tGATT_DISC_PARAM *p_param)
|
|
{
|
|
tGATT_STATUS status = GATT_SUCCESS;
|
|
tGATT_CLCB *p_clcb;
|
|
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
|
|
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
|
|
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
|
|
|
|
GATT_TRACE_API ("GATTC_Discover conn_id=%d disc_type=%d", conn_id, disc_type);
|
|
|
|
if ( (p_tcb == NULL) || (p_reg == NULL) || (p_param == NULL) ||
|
|
(disc_type >= GATT_DISC_MAX)) {
|
|
GATT_TRACE_ERROR("GATTC_Discover Illegal param: disc_type %d conn_id = %d", disc_type, conn_id);
|
|
return GATT_ILLEGAL_PARAMETER;
|
|
}
|
|
|
|
|
|
if (gatt_is_clcb_allocated(conn_id)) {
|
|
GATT_TRACE_ERROR("GATTC_Discover GATT_BUSY conn_id = %d", conn_id);
|
|
return GATT_BUSY;
|
|
}
|
|
|
|
|
|
if ((p_clcb = gatt_clcb_alloc(conn_id)) != NULL ) {
|
|
if (!GATT_HANDLE_IS_VALID(p_param->s_handle) ||
|
|
!GATT_HANDLE_IS_VALID(p_param->e_handle) ||
|
|
/* search by type does not have a valid UUID param */
|
|
(disc_type == GATT_DISC_SRVC_BY_UUID &&
|
|
p_param->service.len == 0)) {
|
|
gatt_clcb_dealloc(p_clcb);
|
|
return GATT_ILLEGAL_PARAMETER;
|
|
}
|
|
|
|
p_clcb->operation = GATTC_OPTYPE_DISCOVERY;
|
|
p_clcb->op_subtype = disc_type;
|
|
p_clcb->s_handle = p_param->s_handle;
|
|
p_clcb->e_handle = p_param->e_handle;
|
|
p_clcb->uuid = p_param->service;
|
|
|
|
gatt_act_discovery(p_clcb);
|
|
} else {
|
|
status = GATT_NO_RESOURCES;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTC_Read
|
|
**
|
|
** Description This function is called to read the value of an attribute from
|
|
** the server.
|
|
**
|
|
** Parameters conn_id: connection identifier.
|
|
** type - attribute read type.
|
|
** p_read - read operation parameters.
|
|
**
|
|
** Returns GATT_SUCCESS if command started successfully.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTC_Read (UINT16 conn_id, tGATT_READ_TYPE type, tGATT_READ_PARAM *p_read)
|
|
{
|
|
tGATT_STATUS status = GATT_SUCCESS;
|
|
tGATT_CLCB *p_clcb;
|
|
tGATT_READ_MULTI *p_read_multi;
|
|
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
|
|
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
|
|
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
|
|
|
|
GATT_TRACE_API ("GATTC_Read conn_id=%d type=%d", conn_id, type);
|
|
|
|
if ( (p_tcb == NULL) || (p_reg == NULL) || (p_read == NULL) || ((type >= GATT_READ_MAX) || (type == 0))) {
|
|
GATT_TRACE_ERROR("GATT_Read Illegal param: conn_id %d, type 0%d,", conn_id, type);
|
|
return GATT_ILLEGAL_PARAMETER;
|
|
}
|
|
|
|
if (gatt_is_clcb_allocated(conn_id)) {
|
|
GATT_TRACE_ERROR("GATTC_Read GATT_BUSY conn_id = %d", conn_id);
|
|
return GATT_BUSY;
|
|
}
|
|
|
|
if ( (p_clcb = gatt_clcb_alloc(conn_id)) != NULL ) {
|
|
p_clcb->operation = GATTC_OPTYPE_READ;
|
|
p_clcb->op_subtype = type;
|
|
p_clcb->auth_req = p_read->by_handle.auth_req;
|
|
p_clcb->counter = 0;
|
|
|
|
switch (type) {
|
|
case GATT_READ_BY_TYPE:
|
|
case GATT_READ_CHAR_VALUE:
|
|
p_clcb->s_handle = p_read->service.s_handle;
|
|
p_clcb->e_handle = p_read->service.e_handle;
|
|
memcpy(&p_clcb->uuid, &p_read->service.uuid, sizeof(tBT_UUID));
|
|
break;
|
|
case GATT_READ_MULTIPLE:
|
|
p_clcb->s_handle = 0;
|
|
/* copy multiple handles in CB */
|
|
p_read_multi = (tGATT_READ_MULTI *)osi_malloc(sizeof(tGATT_READ_MULTI));
|
|
p_clcb->p_attr_buf = (UINT8 *)p_read_multi;
|
|
memcpy (p_read_multi, &p_read->read_multiple, sizeof(tGATT_READ_MULTI));
|
|
case GATT_READ_BY_HANDLE:
|
|
case GATT_READ_PARTIAL:
|
|
memset(&p_clcb->uuid, 0, sizeof(tBT_UUID));
|
|
p_clcb->s_handle = p_read->by_handle.handle;
|
|
|
|
if (type == GATT_READ_PARTIAL) {
|
|
p_clcb->counter = p_read->partial.offset;
|
|
}
|
|
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
/* start security check */
|
|
if (gatt_security_check_start(p_clcb) == FALSE) {
|
|
status = GATT_NO_RESOURCES;
|
|
gatt_clcb_dealloc(p_clcb);
|
|
}
|
|
} else {
|
|
status = GATT_NO_RESOURCES;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTC_Write
|
|
**
|
|
** Description This function is called to write the value of an attribute to
|
|
** the server.
|
|
**
|
|
** Parameters conn_id: connection identifier.
|
|
** type - attribute write type.
|
|
** p_write - write operation parameters.
|
|
**
|
|
** Returns GATT_SUCCESS if command started successfully.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTC_Write (UINT16 conn_id, tGATT_WRITE_TYPE type, tGATT_VALUE *p_write)
|
|
{
|
|
tGATT_STATUS status = GATT_SUCCESS;
|
|
tGATT_CLCB *p_clcb;
|
|
tGATT_VALUE *p;
|
|
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
|
|
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
|
|
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
|
|
if ( (p_tcb == NULL) || (p_reg == NULL) || (p_write == NULL) ||
|
|
((type != GATT_WRITE) && (type != GATT_WRITE_PREPARE) && (type != GATT_WRITE_NO_RSP)) ) {
|
|
GATT_TRACE_ERROR("GATT_Write Illegal param: conn_id %d, type 0%d,", conn_id, type);
|
|
return GATT_ILLEGAL_PARAMETER;
|
|
}
|
|
|
|
if (gatt_is_clcb_allocated(conn_id)) {
|
|
GATT_TRACE_ERROR("GATTC_Write GATT_BUSY conn_id = %d", conn_id);
|
|
return GATT_BUSY;
|
|
}
|
|
|
|
if ((p_clcb = gatt_clcb_alloc(conn_id)) != NULL ) {
|
|
p_clcb->operation = GATTC_OPTYPE_WRITE;
|
|
p_clcb->op_subtype = type;
|
|
p_clcb->auth_req = p_write->auth_req;
|
|
|
|
if (( p_clcb->p_attr_buf = (UINT8 *)osi_malloc((UINT16)sizeof(tGATT_VALUE))) != NULL) {
|
|
memcpy(p_clcb->p_attr_buf, (void *)p_write, sizeof(tGATT_VALUE));
|
|
|
|
p = (tGATT_VALUE *)p_clcb->p_attr_buf;
|
|
if (type == GATT_WRITE_PREPARE) {
|
|
p_clcb->start_offset = p_write->offset;
|
|
p->offset = 0;
|
|
}
|
|
|
|
if (gatt_security_check_start(p_clcb) == FALSE) {
|
|
status = GATT_NO_RESOURCES;
|
|
}
|
|
} else {
|
|
status = GATT_NO_RESOURCES;
|
|
}
|
|
|
|
if (status == GATT_NO_RESOURCES) {
|
|
gatt_clcb_dealloc(p_clcb);
|
|
}
|
|
} else {
|
|
status = GATT_NO_RESOURCES;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTC_ExecuteWrite
|
|
**
|
|
** Description This function is called to send an Execute write request to
|
|
** the server.
|
|
**
|
|
** Parameters conn_id: connection identifier.
|
|
** is_execute - to execute or cancel the prepare write requet(s)
|
|
**
|
|
** Returns GATT_SUCCESS if command started successfully.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTC_ExecuteWrite (UINT16 conn_id, BOOLEAN is_execute)
|
|
{
|
|
tGATT_STATUS status = GATT_SUCCESS;
|
|
tGATT_CLCB *p_clcb;
|
|
tGATT_EXEC_FLAG flag;
|
|
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
|
|
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
|
|
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
|
|
GATT_TRACE_API ("GATTC_ExecuteWrite conn_id=%d is_execute=%d", conn_id, is_execute);
|
|
|
|
if ( (p_tcb == NULL) || (p_reg == NULL) ) {
|
|
GATT_TRACE_ERROR("GATTC_ExecuteWrite Illegal param: conn_id %d", conn_id);
|
|
return GATT_ILLEGAL_PARAMETER;
|
|
}
|
|
|
|
if (gatt_is_clcb_allocated(conn_id)) {
|
|
GATT_TRACE_ERROR("GATTC_Write GATT_BUSY conn_id = %d", conn_id);
|
|
return GATT_BUSY;
|
|
}
|
|
|
|
if ((p_clcb = gatt_clcb_alloc(conn_id)) != NULL) {
|
|
p_clcb->operation = GATTC_OPTYPE_EXE_WRITE;
|
|
flag = is_execute ? GATT_PREP_WRITE_EXEC : GATT_PREP_WRITE_CANCEL;
|
|
gatt_send_queue_write_cancel (p_clcb->p_tcb, p_clcb, flag);
|
|
} else {
|
|
GATT_TRACE_ERROR("Unable to allocate client CB for conn_id %d ", conn_id);
|
|
status = GATT_NO_RESOURCES;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATTC_SendHandleValueConfirm
|
|
**
|
|
** Description This function is called to send a handle value confirmation
|
|
** as response to a handle value notification from server.
|
|
**
|
|
** Parameters conn_id: connection identifier.
|
|
** handle: the handle of the attribute confirmation.
|
|
**
|
|
** Returns GATT_SUCCESS if command started successfully.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATTC_SendHandleValueConfirm (UINT16 conn_id, UINT16 handle)
|
|
{
|
|
tGATT_STATUS ret = GATT_ILLEGAL_PARAMETER;
|
|
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(GATT_GET_TCB_IDX(conn_id));
|
|
|
|
GATT_TRACE_API ("GATTC_SendHandleValueConfirm conn_id=%d handle=0x%x", conn_id, handle);
|
|
|
|
if (p_tcb) {
|
|
if (p_tcb->ind_count > 0 ) {
|
|
btu_stop_timer (&p_tcb->ind_ack_timer_ent);
|
|
|
|
GATT_TRACE_DEBUG ("notif_count=%d ", p_tcb->ind_count);
|
|
/* send confirmation now */
|
|
ret = attp_send_cl_msg(p_tcb, 0, GATT_HANDLE_VALUE_CONF, (tGATT_CL_MSG *)&handle);
|
|
|
|
p_tcb->ind_count = 0;
|
|
|
|
} else {
|
|
GATT_TRACE_DEBUG ("GATTC_SendHandleValueConfirm - conn_id: %u - ignored not waiting for indicaiton ack", conn_id);
|
|
ret = GATT_SUCCESS;
|
|
}
|
|
} else {
|
|
GATT_TRACE_ERROR ("GATTC_SendHandleValueConfirm - Unknown conn_id: %u", conn_id);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#endif ///GATTC_INCLUDED == TRUE
|
|
|
|
/*******************************************************************************/
|
|
/* */
|
|
/* GATT APIs */
|
|
/* */
|
|
/*******************************************************************************/
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_SetIdleTimeout
|
|
**
|
|
** Description This function (common to both client and server) sets the idle
|
|
** timeout for a tansport connection
|
|
**
|
|
** Parameter bd_addr: target device bd address.
|
|
** idle_tout: timeout value in seconds.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void GATT_SetIdleTimeout (BD_ADDR bd_addr, UINT16 idle_tout, tBT_TRANSPORT transport)
|
|
{
|
|
tGATT_TCB *p_tcb;
|
|
BOOLEAN status = FALSE;
|
|
|
|
if ((p_tcb = gatt_find_tcb_by_addr (bd_addr, transport)) != NULL) {
|
|
if (p_tcb->att_lcid == L2CAP_ATT_CID) {
|
|
status = L2CA_SetFixedChannelTout (bd_addr, L2CAP_ATT_CID, idle_tout);
|
|
|
|
if (idle_tout == GATT_LINK_IDLE_TIMEOUT_WHEN_NO_APP)
|
|
L2CA_SetIdleTimeoutByBdAddr(p_tcb->peer_bda,
|
|
GATT_LINK_IDLE_TIMEOUT_WHEN_NO_APP, BT_TRANSPORT_LE);
|
|
} else {
|
|
status = L2CA_SetIdleTimeout (p_tcb->att_lcid, idle_tout, FALSE);
|
|
}
|
|
}
|
|
|
|
GATT_TRACE_API ("GATT_SetIdleTimeout idle_tout=%d status=%d(1-OK 0-not performed)",
|
|
idle_tout, status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_Register
|
|
**
|
|
** Description This function is called to register an application
|
|
** with GATT
|
|
**
|
|
** Parameter p_app_uuid128: Application UUID
|
|
** p_cb_info: callback functions.
|
|
**
|
|
** Returns 0 for error, otherwise the index of the client registered with GATT
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_IF GATT_Register (tBT_UUID *p_app_uuid128, tGATT_CBACK *p_cb_info)
|
|
{
|
|
tGATT_REG *p_reg;
|
|
UINT8 i_gatt_if = 0;
|
|
tGATT_IF gatt_if = 0;
|
|
|
|
GATT_TRACE_API ("GATT_Register");
|
|
gatt_dbg_display_uuid(*p_app_uuid128);
|
|
|
|
for (i_gatt_if = 0, p_reg = gatt_cb.cl_rcb; i_gatt_if < GATT_MAX_APPS; i_gatt_if++, p_reg++) {
|
|
if (p_reg->in_use && !memcmp(p_app_uuid128->uu.uuid128, p_reg->app_uuid128.uu.uuid128, LEN_UUID_128)) {
|
|
GATT_TRACE_ERROR("application already registered.");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
for (i_gatt_if = 0, p_reg = gatt_cb.cl_rcb; i_gatt_if < GATT_MAX_APPS; i_gatt_if++, p_reg++) {
|
|
if (!p_reg->in_use) {
|
|
memset(p_reg, 0 , sizeof(tGATT_REG));
|
|
i_gatt_if++; /* one based number */
|
|
p_reg->app_uuid128 = *p_app_uuid128;
|
|
gatt_if =
|
|
p_reg->gatt_if = (tGATT_IF)i_gatt_if;
|
|
p_reg->app_cb = *p_cb_info;
|
|
p_reg->in_use = TRUE;
|
|
|
|
break;
|
|
}
|
|
}
|
|
GATT_TRACE_API ("allocated gatt_if=%d\n", gatt_if);
|
|
return gatt_if;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_Deregister
|
|
**
|
|
** Description This function deregistered the application from GATT.
|
|
**
|
|
** Parameters gatt_if: applicaiton interface.
|
|
**
|
|
** Returns None.
|
|
**
|
|
*******************************************************************************/
|
|
void GATT_Deregister (tGATT_IF gatt_if)
|
|
{
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
tGATT_TCB *p_tcb;
|
|
tGATT_CLCB *p_clcb;
|
|
UINT8 i, j;
|
|
#if (GATTS_INCLUDED == TRUE)
|
|
UINT8 ii;
|
|
tGATT_SR_REG *p_sreg;
|
|
#endif ///GATTS_INCLUDED == TRUE
|
|
GATT_TRACE_API ("GATT_Deregister gatt_if=%d", gatt_if);
|
|
/* Index 0 is GAP and is never deregistered */
|
|
if ( (gatt_if == 0) || (p_reg == NULL) ) {
|
|
GATT_TRACE_ERROR ("GATT_Deregister with invalid gatt_if: %u", gatt_if);
|
|
return;
|
|
}
|
|
|
|
/* stop all services */
|
|
/* todo an applcaiton can not be deregistered if its services is also used by other application
|
|
deregisteration need to bed performed in an orderly fashion
|
|
no check for now */
|
|
#if (GATTS_INCLUDED == TRUE)
|
|
for (ii = 0, p_sreg = gatt_cb.sr_reg; ii < GATT_MAX_SR_PROFILES; ii++, p_sreg++) {
|
|
if (p_sreg->in_use && (p_sreg->gatt_if == gatt_if)) {
|
|
GATTS_StopService(p_sreg->s_hdl);
|
|
}
|
|
}
|
|
/* free all services db buffers if owned by this application */
|
|
gatt_free_srvc_db_buffer_app_id(&p_reg->app_uuid128);
|
|
#endif ///GATTS_INCLUDED == TRUE
|
|
/* When an application deregisters, check remove the link associated with the app */
|
|
|
|
for (i = 0, p_tcb = gatt_cb.tcb; i < GATT_MAX_PHY_CHANNEL; i++, p_tcb++) {
|
|
if (p_tcb->in_use) {
|
|
if (gatt_get_ch_state(p_tcb) != GATT_CH_CLOSE) {
|
|
gatt_update_app_use_link_flag(gatt_if, p_tcb, FALSE, FALSE);
|
|
if (!gatt_num_apps_hold_link(p_tcb)) {
|
|
/* this will disconnect the link or cancel the pending connect request at lower layer*/
|
|
gatt_disconnect(p_tcb);
|
|
}
|
|
}
|
|
|
|
for (j = 0, p_clcb = &gatt_cb.clcb[j]; j < GATT_CL_MAX_LCB; j++, p_clcb++) {
|
|
if (p_clcb->in_use &&
|
|
(p_clcb->p_reg->gatt_if == gatt_if) &&
|
|
(p_clcb->p_tcb->tcb_idx == p_tcb->tcb_idx)) {
|
|
btu_stop_timer(&p_clcb->rsp_timer_ent);
|
|
gatt_clcb_dealloc (p_clcb);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
gatt_deregister_bgdev_list(gatt_if);
|
|
/* update the listen mode */
|
|
#if (defined(BLE_PERIPHERAL_MODE_SUPPORT) && (BLE_PERIPHERAL_MODE_SUPPORT == TRUE))
|
|
GATT_Listen(gatt_if, FALSE, NULL);
|
|
#endif
|
|
|
|
memset (p_reg, 0, sizeof(tGATT_REG));
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_StartIf
|
|
**
|
|
** Description This function is called after registration to start receiving
|
|
** callbacks for registered interface. Function may call back
|
|
** with connection status and queued notifications
|
|
**
|
|
** Parameter gatt_if: applicaiton interface.
|
|
**
|
|
** Returns None.
|
|
**
|
|
*******************************************************************************/
|
|
void GATT_StartIf (tGATT_IF gatt_if)
|
|
{
|
|
tGATT_REG *p_reg;
|
|
tGATT_TCB *p_tcb;
|
|
BD_ADDR bda;
|
|
UINT8 start_idx, found_idx;
|
|
UINT16 conn_id;
|
|
tGATT_TRANSPORT transport ;
|
|
|
|
GATT_TRACE_API ("GATT_StartIf gatt_if=%d", gatt_if);
|
|
if ((p_reg = gatt_get_regcb(gatt_if)) != NULL) {
|
|
start_idx = 0;
|
|
while (gatt_find_the_connected_bda(start_idx, bda, &found_idx, &transport)) {
|
|
p_tcb = gatt_find_tcb_by_addr(bda, transport);
|
|
if (p_reg->app_cb.p_conn_cb && p_tcb) {
|
|
conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, gatt_if);
|
|
(*p_reg->app_cb.p_conn_cb)(gatt_if, bda, conn_id, TRUE, 0, transport);
|
|
}
|
|
start_idx = ++found_idx;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_Connect
|
|
**
|
|
** Description This function initiate a connecttion to a remote device on GATT
|
|
** channel.
|
|
**
|
|
** Parameters gatt_if: applicaiton interface
|
|
** bd_addr: peer device address.
|
|
** bd_addr_type: peer device address type.
|
|
** is_direct: is a direct conenection or a background auto connection
|
|
**
|
|
** Returns TRUE if connection started; FALSE if connection start failure.
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN GATT_Connect (tGATT_IF gatt_if, BD_ADDR bd_addr, tBLE_ADDR_TYPE bd_addr_type, BOOLEAN is_direct, tBT_TRANSPORT transport)
|
|
{
|
|
tGATT_REG *p_reg;
|
|
BOOLEAN status = FALSE;
|
|
|
|
GATT_TRACE_API ("GATT_Connect gatt_if=%d", gatt_if);
|
|
|
|
/* Make sure app is registered */
|
|
if ((p_reg = gatt_get_regcb(gatt_if)) == NULL) {
|
|
GATT_TRACE_ERROR("GATT_Connect - gatt_if =%d is not registered", gatt_if);
|
|
return (FALSE);
|
|
}
|
|
|
|
if (is_direct) {
|
|
status = gatt_act_connect (p_reg, bd_addr, bd_addr_type, transport);
|
|
} else {
|
|
if (transport == BT_TRANSPORT_LE) {
|
|
status = gatt_update_auto_connect_dev(gatt_if, TRUE, bd_addr, TRUE);
|
|
} else {
|
|
GATT_TRACE_ERROR("Unsupported transport for background connection");
|
|
}
|
|
}
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_CancelConnect
|
|
**
|
|
** Description This function terminate the connection initaition to a remote
|
|
** device on GATT channel.
|
|
**
|
|
** Parameters gatt_if: client interface. If 0 used as unconditionally disconnect,
|
|
** typically used for direct connection cancellation.
|
|
** bd_addr: peer device address.
|
|
**
|
|
** Returns TRUE if connection started; FALSE if connection start failure.
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN GATT_CancelConnect (tGATT_IF gatt_if, BD_ADDR bd_addr, BOOLEAN is_direct)
|
|
{
|
|
tGATT_REG *p_reg;
|
|
tGATT_TCB *p_tcb;
|
|
BOOLEAN status = TRUE;
|
|
tGATT_IF temp_gatt_if;
|
|
UINT8 start_idx, found_idx;
|
|
|
|
GATT_TRACE_API ("GATT_CancelConnect gatt_if=%d", gatt_if);
|
|
|
|
if ((gatt_if != 0) && ((p_reg = gatt_get_regcb(gatt_if)) == NULL)) {
|
|
GATT_TRACE_ERROR("GATT_CancelConnect - gatt_if =%d is not registered", gatt_if);
|
|
return (FALSE);
|
|
}
|
|
|
|
if (is_direct) {
|
|
if (!gatt_if) {
|
|
GATT_TRACE_DEBUG("GATT_CancelConnect - unconditional");
|
|
start_idx = 0;
|
|
/* only LE connection can be cancelled */
|
|
p_tcb = gatt_find_tcb_by_addr(bd_addr, BT_TRANSPORT_LE);
|
|
if (p_tcb && gatt_num_apps_hold_link(p_tcb)) {
|
|
while (status && gatt_find_app_hold_link(p_tcb, start_idx, &found_idx, &temp_gatt_if)) {
|
|
status = gatt_cancel_open(temp_gatt_if, bd_addr);
|
|
start_idx = ++found_idx;
|
|
}
|
|
} else {
|
|
GATT_TRACE_ERROR("GATT_CancelConnect - no app found");
|
|
status = FALSE;
|
|
}
|
|
} else {
|
|
status = gatt_cancel_open(gatt_if, bd_addr);
|
|
}
|
|
} else {
|
|
if (!gatt_if) {
|
|
if (gatt_get_num_apps_for_bg_dev(bd_addr)) {
|
|
while (gatt_find_app_for_bg_dev(bd_addr, &temp_gatt_if)) {
|
|
gatt_remove_bg_dev_for_app(temp_gatt_if, bd_addr);
|
|
}
|
|
} else {
|
|
GATT_TRACE_ERROR("GATT_CancelConnect -no app associated with the bg device for unconditional removal");
|
|
status = FALSE;
|
|
}
|
|
} else {
|
|
status = gatt_remove_bg_dev_for_app(gatt_if, bd_addr);
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_Disconnect
|
|
**
|
|
** Description This function disconnect the GATT channel for this registered
|
|
** application.
|
|
**
|
|
** Parameters conn_id: connection identifier.
|
|
**
|
|
** Returns GATT_SUCCESS if disconnected.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATT_Disconnect (UINT16 conn_id)
|
|
{
|
|
tGATT_STATUS ret = GATT_ILLEGAL_PARAMETER;
|
|
tGATT_TCB *p_tcb = NULL;
|
|
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
|
|
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
|
|
|
|
GATT_TRACE_API ("GATT_Disconnect conn_id=%d ", conn_id);
|
|
|
|
p_tcb = gatt_get_tcb_by_idx(tcb_idx);
|
|
|
|
if (p_tcb) {
|
|
gatt_update_app_use_link_flag(gatt_if, p_tcb, FALSE, FALSE);
|
|
if (!gatt_num_apps_hold_link(p_tcb)) {
|
|
gatt_disconnect(p_tcb);
|
|
}
|
|
ret = GATT_SUCCESS;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_SendServiceChangeIndication
|
|
**
|
|
** Description This function is to send a service change indication
|
|
**
|
|
** Parameters bd_addr: peer device address.
|
|
**
|
|
** Returns None.
|
|
**
|
|
*******************************************************************************/
|
|
tGATT_STATUS GATT_SendServiceChangeIndication (BD_ADDR bd_addr)
|
|
{
|
|
UINT8 start_idx, found_idx;
|
|
BOOLEAN srv_chg_ind_pending = FALSE;
|
|
tGATT_TCB *p_tcb;
|
|
tBT_TRANSPORT transport;
|
|
tGATT_STATUS status = GATT_NOT_FOUND;
|
|
if (GATTS_SEND_SERVICE_CHANGE_MODE == GATTS_SEND_SERVICE_CHANGE_AUTO) {
|
|
status = GATT_WRONG_STATE;
|
|
GATT_TRACE_ERROR ("%s can't send service change indication manually, please configure the option through menuconfig", __func__);
|
|
return status;
|
|
}
|
|
|
|
if(bd_addr) {
|
|
status = gatt_send_srv_chg_ind(bd_addr);
|
|
} else {
|
|
start_idx = 0;
|
|
BD_ADDR addr;
|
|
while (gatt_find_the_connected_bda(start_idx, addr, &found_idx, &transport)) {
|
|
p_tcb = &gatt_cb.tcb[found_idx];
|
|
srv_chg_ind_pending = gatt_is_srv_chg_ind_pending(p_tcb);
|
|
|
|
if (!srv_chg_ind_pending) {
|
|
status = gatt_send_srv_chg_ind(addr);
|
|
} else {
|
|
status = GATT_BUSY;
|
|
GATT_TRACE_DEBUG("discard srv chg - already has one in the queue");
|
|
}
|
|
start_idx = ++found_idx;
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_GetConnectionInfor
|
|
**
|
|
** Description This function use conn_id to find its associated BD address and applciation
|
|
** interface
|
|
**
|
|
** Parameters conn_id: connection id (input)
|
|
** p_gatt_if: applicaiton interface (output)
|
|
** bd_addr: peer device address. (output)
|
|
**
|
|
** Returns TRUE the ligical link information is found for conn_id
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN GATT_GetConnectionInfor(UINT16 conn_id, tGATT_IF *p_gatt_if, BD_ADDR bd_addr,
|
|
tBT_TRANSPORT *p_transport)
|
|
{
|
|
|
|
tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
|
|
tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
|
|
BOOLEAN status = FALSE;
|
|
|
|
GATT_TRACE_API ("GATT_GetConnectionInfor conn_id=%d", conn_id);
|
|
|
|
if (p_tcb && p_reg ) {
|
|
memcpy(bd_addr, p_tcb->peer_bda, BD_ADDR_LEN);
|
|
*p_gatt_if = gatt_if;
|
|
*p_transport = p_tcb->transport;
|
|
status = TRUE;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_GetConnIdIfConnected
|
|
**
|
|
** Description This function find the conn_id if the logical link for BD address
|
|
** and applciation interface is connected
|
|
**
|
|
** Parameters gatt_if: applicaiton interface (input)
|
|
** bd_addr: peer device address. (input)
|
|
** p_conn_id: connection id (output)
|
|
** transport: transport option
|
|
**
|
|
** Returns TRUE the logical link is connected
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN GATT_GetConnIdIfConnected(tGATT_IF gatt_if, BD_ADDR bd_addr, UINT16 *p_conn_id,
|
|
tBT_TRANSPORT transport)
|
|
{
|
|
tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
|
|
tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(bd_addr, transport);
|
|
BOOLEAN status = FALSE;
|
|
|
|
if (p_reg && p_tcb && (gatt_get_ch_state(p_tcb) == GATT_CH_OPEN) ) {
|
|
*p_conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, gatt_if);
|
|
status = TRUE;
|
|
}
|
|
|
|
GATT_TRACE_API ("GATT_GetConnIdIfConnected status=%d\n", status);
|
|
return status;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function GATT_Listen
|
|
**
|
|
** Description This function start or stop LE advertisement and listen for
|
|
** connection.
|
|
**
|
|
** Parameters gatt_if: applicaiton interface
|
|
** p_bd_addr: listen for specific address connection, or NULL for
|
|
** listen to all device connection.
|
|
** start: start or stop listening.
|
|
**
|
|
** Returns TRUE if advertisement is started; FALSE if adv start failure.
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN GATT_Listen (tGATT_IF gatt_if, BOOLEAN start, BD_ADDR_PTR bd_addr)
|
|
{
|
|
tGATT_REG *p_reg;
|
|
|
|
GATT_TRACE_API ("GATT_Listen gatt_if=%d", gatt_if);
|
|
|
|
/* Make sure app is registered */
|
|
if ((p_reg = gatt_get_regcb(gatt_if)) == NULL) {
|
|
GATT_TRACE_ERROR("GATT_Listen - gatt_if =%d is not registered", gatt_if);
|
|
return (FALSE);
|
|
}
|
|
|
|
if (bd_addr != NULL) {
|
|
gatt_update_auto_connect_dev(gatt_if, start, bd_addr, FALSE);
|
|
} else {
|
|
p_reg->listening = start ? GATT_LISTEN_TO_ALL : GATT_LISTEN_TO_NONE;
|
|
}
|
|
|
|
return gatt_update_listen_mode();
|
|
}
|
|
|
|
#endif
|
|
|