1. cleanup the warnings. 2. fix the some function called in gap 3. fix some code in btc_main
506 lines
17 KiB
C
506 lines
17 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2008-2012 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 the main GATT server attributes access request
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* handling functions.
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*
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******************************************************************************/
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#include "bt_target.h"
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//#include "bt_utils.h"
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#include "gatt_api.h"
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#include "gatt_int.h"
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#include "sdpdefs.h"
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#if BLE_INCLUDED == TRUE
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#define GATTP_MAX_NUM_INC_SVR 0
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#define GATTP_MAX_CHAR_NUM 2
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#define GATTP_MAX_ATTR_NUM (GATTP_MAX_CHAR_NUM * 2 + GATTP_MAX_NUM_INC_SVR + 1)
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#define GATTP_MAX_CHAR_VALUE_SIZE 50
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#ifndef GATTP_ATTR_DB_SIZE
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#define GATTP_ATTR_DB_SIZE GATT_DB_MEM_SIZE(GATTP_MAX_NUM_INC_SVR, GATTP_MAX_CHAR_NUM, GATTP_MAX_CHAR_VALUE_SIZE)
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#endif
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static void gatt_request_cback(UINT16 conn_id, UINT32 trans_id, UINT8 op_code, tGATTS_DATA *p_data);
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static void gatt_connect_cback(tGATT_IF gatt_if, BD_ADDR bda, UINT16 conn_id, BOOLEAN connected,
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tGATT_DISCONN_REASON reason, tBT_TRANSPORT transport);
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static void gatt_disc_res_cback(UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data);
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static void gatt_disc_cmpl_cback(UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status);
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static void gatt_cl_op_cmpl_cback(UINT16 conn_id, tGATTC_OPTYPE op, tGATT_STATUS status,
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tGATT_CL_COMPLETE *p_data);
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static void gatt_cl_start_config_ccc(tGATT_PROFILE_CLCB *p_clcb);
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static tGATT_CBACK gatt_profile_cback = {
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gatt_connect_cback,
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gatt_cl_op_cmpl_cback,
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gatt_disc_res_cback,
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gatt_disc_cmpl_cback,
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gatt_request_cback,
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NULL,
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NULL
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} ;
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/*******************************************************************************
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**
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** Function gatt_profile_find_conn_id_by_bd_addr
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**
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** Description Find the connection ID by remote address
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**
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** Returns Connection ID
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**
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*******************************************************************************/
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UINT16 gatt_profile_find_conn_id_by_bd_addr(BD_ADDR remote_bda)
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{
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UINT16 conn_id = GATT_INVALID_CONN_ID;
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GATT_GetConnIdIfConnected (gatt_cb.gatt_if, remote_bda, &conn_id, BT_TRANSPORT_LE);
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return conn_id;
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}
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/*******************************************************************************
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**
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** Function gatt_profile_find_clcb_by_conn_id
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**
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** Description find clcb by Connection ID
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**
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** Returns Pointer to the found link conenction control block.
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**
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*******************************************************************************/
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static tGATT_PROFILE_CLCB *gatt_profile_find_clcb_by_conn_id(UINT16 conn_id)
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{
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UINT8 i_clcb;
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tGATT_PROFILE_CLCB *p_clcb = NULL;
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for (i_clcb = 0, p_clcb = gatt_cb.profile_clcb; i_clcb < GATT_MAX_APPS; i_clcb++, p_clcb++) {
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if (p_clcb->in_use && p_clcb->conn_id == conn_id) {
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return p_clcb;
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}
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}
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return NULL;
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}
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/*******************************************************************************
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**
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** Function gatt_profile_find_clcb_by_bd_addr
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**
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** Description The function searches all LCBs with macthing bd address.
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**
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** Returns Pointer to the found link conenction control block.
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**
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*******************************************************************************/
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static tGATT_PROFILE_CLCB *gatt_profile_find_clcb_by_bd_addr(BD_ADDR bda, tBT_TRANSPORT transport)
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{
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UINT8 i_clcb;
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tGATT_PROFILE_CLCB *p_clcb = NULL;
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for (i_clcb = 0, p_clcb = gatt_cb.profile_clcb; i_clcb < GATT_MAX_APPS; i_clcb++, p_clcb++) {
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if (p_clcb->in_use && p_clcb->transport == transport &&
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p_clcb->connected && !memcmp(p_clcb->bda, bda, BD_ADDR_LEN)) {
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return p_clcb;
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}
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}
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return NULL;
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}
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/*******************************************************************************
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**
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** Function gatt_profile_clcb_alloc
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**
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** Description The function allocates a GATT profile connection link control block
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**
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** Returns NULL if not found. Otherwise pointer to the connection link block.
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**
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*******************************************************************************/
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tGATT_PROFILE_CLCB *gatt_profile_clcb_alloc (UINT16 conn_id, BD_ADDR bda, tBT_TRANSPORT tranport)
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{
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UINT8 i_clcb = 0;
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tGATT_PROFILE_CLCB *p_clcb = NULL;
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for (i_clcb = 0, p_clcb = gatt_cb.profile_clcb; i_clcb < GATT_MAX_APPS; i_clcb++, p_clcb++) {
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if (!p_clcb->in_use) {
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p_clcb->in_use = TRUE;
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p_clcb->conn_id = conn_id;
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p_clcb->connected = TRUE;
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p_clcb->transport = tranport;
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memcpy (p_clcb->bda, bda, BD_ADDR_LEN);
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break;
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}
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}
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if (i_clcb < GATT_MAX_APPS) {
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return p_clcb;
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}
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return NULL;
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}
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/*******************************************************************************
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**
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** Function gatt_profile_clcb_dealloc
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**
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** Description The function deallocates a GATT profile connection link control block
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**
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** Returns void
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**
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*******************************************************************************/
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void gatt_profile_clcb_dealloc (tGATT_PROFILE_CLCB *p_clcb)
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{
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memset(p_clcb, 0, sizeof(tGATT_PROFILE_CLCB));
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}
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/*******************************************************************************
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**
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** Function gatt_request_cback
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**
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** Description GATT profile attribute access request callback.
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**
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** Returns void.
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**
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*******************************************************************************/
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static void gatt_request_cback (UINT16 conn_id, UINT32 trans_id, tGATTS_REQ_TYPE type,
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tGATTS_DATA *p_data)
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{
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UINT8 status = GATT_INVALID_PDU;
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tGATTS_RSP rsp_msg ;
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BOOLEAN ignore = FALSE;
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memset(&rsp_msg, 0, sizeof(tGATTS_RSP));
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switch (type) {
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case GATTS_REQ_TYPE_READ:
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status = GATT_READ_NOT_PERMIT;
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break;
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case GATTS_REQ_TYPE_WRITE:
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status = GATT_WRITE_NOT_PERMIT;
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break;
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case GATTS_REQ_TYPE_WRITE_EXEC:
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case GATT_CMD_WRITE:
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ignore = TRUE;
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GATT_TRACE_EVENT("Ignore GATT_REQ_EXEC_WRITE/WRITE_CMD" );
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break;
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case GATTS_REQ_TYPE_MTU:
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GATT_TRACE_EVENT("Get MTU exchange new mtu size: %d", p_data->mtu);
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ignore = TRUE;
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break;
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default:
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GATT_TRACE_EVENT("Unknown/unexpected LE GAP ATT request: 0x%02x", type);
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break;
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}
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if (!ignore) {
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GATTS_SendRsp (conn_id, trans_id, status, &rsp_msg);
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}
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}
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/*******************************************************************************
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**
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** Function gatt_connect_cback
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**
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** Description Gatt profile connection callback.
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**
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** Returns void
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**
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*******************************************************************************/
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static void gatt_connect_cback (tGATT_IF gatt_if, BD_ADDR bda, UINT16 conn_id,
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BOOLEAN connected, tGATT_DISCONN_REASON reason,
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tBT_TRANSPORT transport)
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{
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UNUSED(gatt_if);
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GATT_TRACE_EVENT ("%s: from %08x%04x connected:%d conn_id=%d reason = 0x%04x", __FUNCTION__,
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(bda[0] << 24) + (bda[1] << 16) + (bda[2] << 8) + bda[3],
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(bda[4] << 8) + bda[5], connected, conn_id, reason);
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tGATT_PROFILE_CLCB *p_clcb = gatt_profile_find_clcb_by_bd_addr(bda, transport);
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if (p_clcb == NULL) {
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return;
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}
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if (connected) {
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p_clcb->conn_id = conn_id;
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p_clcb->connected = TRUE;
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if (p_clcb->ccc_stage == GATT_SVC_CHANGED_CONNECTING) {
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p_clcb->ccc_stage ++;
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gatt_cl_start_config_ccc(p_clcb);
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}
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} else {
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gatt_profile_clcb_dealloc(p_clcb);
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}
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}
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/*******************************************************************************
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**
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** Function gatt_profile_db_init
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**
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** Description Initializa the GATT profile attribute database.
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**
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*******************************************************************************/
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void gatt_profile_db_init (void)
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{
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tBT_UUID app_uuid = {LEN_UUID_128, {0}};
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tBT_UUID uuid = {LEN_UUID_16, {UUID_SERVCLASS_GATT_SERVER}};
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UINT16 service_handle = 0;
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tGATT_STATUS status;
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/* Fill our internal UUID with a fixed pattern 0x81 */
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memset (&app_uuid.uu.uuid128, 0x81, LEN_UUID_128);
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/* Create a GATT profile service */
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gatt_cb.gatt_if = GATT_Register(&app_uuid, &gatt_profile_cback);
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GATT_StartIf(gatt_cb.gatt_if);
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service_handle = GATTS_CreateService (gatt_cb.gatt_if , &uuid, 0, GATTP_MAX_ATTR_NUM, TRUE);
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/* add Service Changed characteristic
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*/
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uuid.uu.uuid16 = gatt_cb.gattp_attr.uuid = GATT_UUID_GATT_SRV_CHGD;
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gatt_cb.gattp_attr.service_change = 0;
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gatt_cb.gattp_attr.handle =
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gatt_cb.handle_of_h_r = GATTS_AddCharacteristic(service_handle, &uuid, 0, GATT_CHAR_PROP_BIT_INDICATE);
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GATT_TRACE_DEBUG ("gatt_profile_db_init: handle of service changed%d",
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gatt_cb.handle_of_h_r );
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/* start service
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*/
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status = GATTS_StartService (gatt_cb.gatt_if, service_handle, GATTP_TRANSPORT_SUPPORTED );
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GATT_TRACE_DEBUG ("gatt_profile_db_init: gatt_if=%d start status%d",
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gatt_cb.gatt_if, status);
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}
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/*******************************************************************************
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**
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** Function gatt_config_ccc_complete
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**
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** Description The function finish the service change ccc configuration
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**
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** Returns void
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**
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*******************************************************************************/
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static void gatt_config_ccc_complete(tGATT_PROFILE_CLCB *p_clcb)
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{
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GATT_Disconnect(p_clcb->conn_id);
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gatt_profile_clcb_dealloc(p_clcb);
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}
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/*******************************************************************************
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**
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** Function gatt_disc_res_cback
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**
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** Description Gatt profile discovery result callback
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**
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** Returns void
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**
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*******************************************************************************/
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static void gatt_disc_res_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_DISC_RES *p_data)
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{
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tGATT_PROFILE_CLCB *p_clcb = gatt_profile_find_clcb_by_conn_id(conn_id);
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if (p_clcb == NULL) {
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return;
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}
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switch (disc_type) {
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case GATT_DISC_SRVC_BY_UUID:/* stage 1 */
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p_clcb->e_handle = p_data->value.group_value.e_handle;
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p_clcb->ccc_result ++;
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break;
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case GATT_DISC_CHAR:/* stage 2 */
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p_clcb->s_handle = p_data->value.dclr_value.val_handle;
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p_clcb->ccc_result ++;
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break;
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case GATT_DISC_CHAR_DSCPT: /* stage 3 */
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if (p_data->type.uu.uuid16 == GATT_UUID_CHAR_CLIENT_CONFIG) {
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p_clcb->s_handle = p_data->handle;
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p_clcb->ccc_result ++;
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}
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break;
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}
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}
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/*******************************************************************************
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**
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** Function gatt_disc_cmpl_cback
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**
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** Description Gatt profile discovery complete callback
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**
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** Returns void
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**
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*******************************************************************************/
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static void gatt_disc_cmpl_cback (UINT16 conn_id, tGATT_DISC_TYPE disc_type, tGATT_STATUS status)
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{
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tGATT_PROFILE_CLCB *p_clcb = gatt_profile_find_clcb_by_conn_id(conn_id);
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if (p_clcb == NULL) {
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return;
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}
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if (status == GATT_SUCCESS && p_clcb->ccc_result > 0) {
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p_clcb->ccc_result = 0;
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p_clcb->ccc_stage ++;
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gatt_cl_start_config_ccc(p_clcb);
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} else {
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GATT_TRACE_ERROR("%s() - Register for service changed indication failure", __FUNCTION__);
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/* free the connection */
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gatt_config_ccc_complete (p_clcb);
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}
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}
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/*******************************************************************************
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**
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** Function gatt_cl_op_cmpl_cback
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**
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** Description Gatt profile client operation complete callback
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**
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** Returns void
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**
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*******************************************************************************/
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static void gatt_cl_op_cmpl_cback (UINT16 conn_id, tGATTC_OPTYPE op,
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tGATT_STATUS status, tGATT_CL_COMPLETE *p_data)
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{
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tGATT_PROFILE_CLCB *p_clcb = gatt_profile_find_clcb_by_conn_id(conn_id);
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if (p_clcb == NULL) {
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return;
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}
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if (op == GATTC_OPTYPE_WRITE) {
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GATT_TRACE_DEBUG("%s() - ccc write status : %d", __FUNCTION__, status);
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}
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/* free the connection */
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gatt_config_ccc_complete (p_clcb);
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}
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/*******************************************************************************
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**
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** Function gatt_cl_start_config_ccc
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**
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** Description Gatt profile start configure service change CCC
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**
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** Returns void
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**
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*******************************************************************************/
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static void gatt_cl_start_config_ccc(tGATT_PROFILE_CLCB *p_clcb)
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{
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tGATT_DISC_PARAM srvc_disc_param;
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tGATT_VALUE ccc_value;
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GATT_TRACE_DEBUG("%s() - stage: %d", __FUNCTION__, p_clcb->ccc_stage);
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memset (&srvc_disc_param, 0 , sizeof(tGATT_DISC_PARAM));
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memset (&ccc_value, 0 , sizeof(tGATT_VALUE));
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switch (p_clcb->ccc_stage) {
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case GATT_SVC_CHANGED_SERVICE: /* discover GATT service */
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srvc_disc_param.s_handle = 1;
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srvc_disc_param.e_handle = 0xffff;
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srvc_disc_param.service.len = 2;
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srvc_disc_param.service.uu.uuid16 = UUID_SERVCLASS_GATT_SERVER;
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if (GATTC_Discover (p_clcb->conn_id, GATT_DISC_SRVC_BY_UUID, &srvc_disc_param) != GATT_SUCCESS) {
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GATT_TRACE_ERROR("%s() - ccc service error", __FUNCTION__);
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gatt_config_ccc_complete(p_clcb);
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}
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break;
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case GATT_SVC_CHANGED_CHARACTERISTIC: /* discover service change char */
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srvc_disc_param.s_handle = 1;
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srvc_disc_param.e_handle = p_clcb->e_handle;
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srvc_disc_param.service.len = 2;
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srvc_disc_param.service.uu.uuid16 = GATT_UUID_GATT_SRV_CHGD;
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if (GATTC_Discover (p_clcb->conn_id, GATT_DISC_CHAR, &srvc_disc_param) != GATT_SUCCESS) {
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GATT_TRACE_ERROR("%s() - ccc char error", __FUNCTION__);
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gatt_config_ccc_complete(p_clcb);
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}
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break;
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case GATT_SVC_CHANGED_DESCRIPTOR: /* discover service change ccc */
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srvc_disc_param.s_handle = p_clcb->s_handle;
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srvc_disc_param.e_handle = p_clcb->e_handle;
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if (GATTC_Discover (p_clcb->conn_id, GATT_DISC_CHAR_DSCPT, &srvc_disc_param) != GATT_SUCCESS) {
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GATT_TRACE_ERROR("%s() - ccc char descriptor error", __FUNCTION__);
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gatt_config_ccc_complete(p_clcb);
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}
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break;
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case GATT_SVC_CHANGED_CONFIGURE_CCCD: /* write ccc */
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ccc_value.handle = p_clcb->s_handle;
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ccc_value.len = 2;
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ccc_value.value[0] = GATT_CLT_CONFIG_INDICATION;
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if (GATTC_Write (p_clcb->conn_id, GATT_WRITE, &ccc_value) != GATT_SUCCESS) {
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GATT_TRACE_ERROR("%s() - write ccc error", __FUNCTION__);
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gatt_config_ccc_complete(p_clcb);
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}
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break;
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}
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}
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/*******************************************************************************
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**
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** Function GATT_ConfigServiceChangeCCC
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**
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** Description Configure service change indication on remote device
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**
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** Returns none
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**
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*******************************************************************************/
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void GATT_ConfigServiceChangeCCC (BD_ADDR remote_bda, BOOLEAN enable, tBT_TRANSPORT transport)
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{
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tGATT_PROFILE_CLCB *p_clcb = gatt_profile_find_clcb_by_bd_addr (remote_bda, transport);
|
|
|
|
if (p_clcb == NULL) {
|
|
p_clcb = gatt_profile_clcb_alloc (0, remote_bda, transport);
|
|
}
|
|
|
|
if (p_clcb == NULL) {
|
|
return;
|
|
}
|
|
|
|
if (GATT_GetConnIdIfConnected (gatt_cb.gatt_if, remote_bda, &p_clcb->conn_id, transport)) {
|
|
p_clcb->connected = TRUE;
|
|
}
|
|
/* hold the link here */
|
|
GATT_Connect(gatt_cb.gatt_if, remote_bda, TRUE, transport);
|
|
p_clcb->ccc_stage = GATT_SVC_CHANGED_CONNECTING;
|
|
|
|
if (!p_clcb->connected) {
|
|
/* wait for connection */
|
|
return;
|
|
}
|
|
|
|
p_clcb->ccc_stage ++;
|
|
gatt_cl_start_config_ccc(p_clcb);
|
|
}
|
|
|
|
#endif /* BLE_INCLUDED */
|