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/******************************************************************************
*
* Copyright (C) 2003-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains the GATT client main functions and state machine.
*
******************************************************************************/
#include "common/bt_target.h"
#if (GATTC_INCLUDED == TRUE && BLE_INCLUDED == TRUE)
#include <string.h>
#include "bta_gattc_int.h"
#include "osi/allocator.h"
/*****************************************************************************
** Constants and types
*****************************************************************************/
/* state machine action enumeration list */
enum {
BTA_GATTC_OPEN,
BTA_GATTC_OPEN_FAIL,
BTA_GATTC_OPEN_ERROR,
BTA_GATTC_CANCEL_OPEN,
BTA_GATTC_CANCEL_OPEN_OK,
BTA_GATTC_CANCEL_OPEN_ERROR,
BTA_GATTC_CONN,
BTA_GATTC_START_DISCOVER,
BTA_GATTC_DISC_CMPL,
BTA_GATTC_Q_CMD,
BTA_GATTC_CLOSE,
BTA_GATTC_CLOSE_FAIL,
BTA_GATTC_READ,
BTA_GATTC_WRITE,
BTA_GATTC_OP_CMPL,
BTA_GATTC_SEARCH,
BTA_GATTC_FAIL,
BTA_GATTC_CONFIRM,
BTA_GATTC_EXEC,
BTA_GATTC_READ_MULTI,
BTA_GATTC_IGNORE_OP_CMPL,
BTA_GATTC_DISC_CLOSE,
BTA_GATTC_RESTART_DISCOVER,
BTA_GATTC_CFG_MTU,
BTA_GATTC_READ_BY_TYPE,
BTA_GATTC_READ_MULTI_VAR,
BTA_GATTC_IGNORE
};
/* type for action functions */
typedef void (*tBTA_GATTC_ACTION)(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data);
/* action function list */
const tBTA_GATTC_ACTION bta_gattc_action[] = {
bta_gattc_open,
bta_gattc_open_fail,
bta_gattc_open_error,
bta_gattc_cancel_open,
bta_gattc_cancel_open_ok,
bta_gattc_cancel_open_error,
bta_gattc_conn,
bta_gattc_start_discover,
bta_gattc_disc_cmpl,
bta_gattc_q_cmd,
bta_gattc_close,
bta_gattc_close_fail,
bta_gattc_read,
bta_gattc_write,
bta_gattc_op_cmpl,
bta_gattc_search,
bta_gattc_fail,
bta_gattc_confirm,
bta_gattc_execute,
bta_gattc_read_multi,
bta_gattc_ignore_op_cmpl,
bta_gattc_disc_close,
bta_gattc_restart_discover,
bta_gattc_cfg_mtu,
bta_gattc_read_by_type,
bta_gattc_read_multi_var,
};
/* state table information */
#define BTA_GATTC_ACTIONS 1 /* number of actions */
#define BTA_GATTC_NEXT_STATE 1 /* position of next state */
#define BTA_GATTC_NUM_COLS 2 /* number of columns in state tables */
/* state table for idle state */
static const UINT8 bta_gattc_st_idle[][BTA_GATTC_NUM_COLS] = {
/* Event Action 1 Next state */
/* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_CFG_MTU_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_CLOSE_FAIL, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_REFRESH_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_CACHE_CLEAN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_CONN, BTA_GATTC_CONN_ST},
/* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_READ_BY_TYPE_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_READ_MULTI_VAR_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_IDLE_ST},
};
/* state table for wait for open state */
static const UINT8 bta_gattc_st_w4_conn[][BTA_GATTC_NUM_COLS] = {
/* Event Action 1 Next state */
/* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_OPEN_FAIL, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_CANCEL_OPEN, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_CANCEL_OPEN_OK, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_API_CFG_MTU_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_CANCEL_OPEN, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_API_REFRESH_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_API_CACHE_CLEAN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_CONN, BTA_GATTC_CONN_ST},
/* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_OPEN_FAIL, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_READ_BY_TYPE_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST},
/* BTA_GATTC_API_READ_MULTI_VAR_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_W4_CONN_ST},
};
/* state table for open state */
static const UINT8 bta_gattc_st_connected[][BTA_GATTC_NUM_COLS] = {
/* Event Action 1 Next state */
/* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN, BTA_GATTC_CONN_ST},
/* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_CANCEL_OPEN_ERROR, BTA_GATTC_CONN_ST},
/* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_READ, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_WRITE, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_EXEC, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_CFG_MTU_EVT */ {BTA_GATTC_CFG_MTU, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_CLOSE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_SEARCH, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_CONFIRM, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_READ_MULTI, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_REFRESH_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_CACHE_CLEAN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST},
/* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_CONN, BTA_GATTC_CONN_ST},
/* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_START_DISCOVER, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_CONN_ST},
/* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_OP_CMPL, BTA_GATTC_CONN_ST},
/* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_CLOSE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_READ_BY_TYPE_EVT */ {BTA_GATTC_READ_BY_TYPE, BTA_GATTC_CONN_ST},
/* BTA_GATTC_API_READ_MULTI_VAR_EVT */ {BTA_GATTC_READ_MULTI_VAR, BTA_GATTC_CONN_ST},
};
/* state table for discover state */
static const UINT8 bta_gattc_st_discover[][BTA_GATTC_NUM_COLS] = {
/* Event Action 1 Next state */
/* BTA_GATTC_API_OPEN_EVT */ {BTA_GATTC_OPEN, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_INT_OPEN_FAIL_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_CANCEL_OPEN_EVT */ {BTA_GATTC_CANCEL_OPEN_ERROR, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_INT_CANCEL_OPEN_OK_EVT */ {BTA_GATTC_FAIL, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_READ_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_WRITE_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_EXEC_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_CFG_MTU_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_CLOSE_EVT */ {BTA_GATTC_DISC_CLOSE, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_SEARCH_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_CONFIRM_EVT */ {BTA_GATTC_CONFIRM, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_READ_MULTI_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_REFRESH_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_CACHE_CLEAN_EVT */ {BTA_GATTC_IGNORE, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_INT_CONN_EVT */ {BTA_GATTC_CONN, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_INT_DISCOVER_EVT */ {BTA_GATTC_RESTART_DISCOVER, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_DISCOVER_CMPL_EVT */ {BTA_GATTC_DISC_CMPL, BTA_GATTC_CONN_ST},
/* BTA_GATTC_OP_CMPL_EVT */ {BTA_GATTC_IGNORE_OP_CMPL, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_INT_DISCONN_EVT */ {BTA_GATTC_CLOSE, BTA_GATTC_IDLE_ST},
/* BTA_GATTC_API_READ_BY_TYPE_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST},
/* BTA_GATTC_API_READ_MULTI_VAR_EVT */ {BTA_GATTC_Q_CMD, BTA_GATTC_DISCOVER_ST},
};
/* type for state table */
typedef const UINT8 (*tBTA_GATTC_ST_TBL)[BTA_GATTC_NUM_COLS];
/* state table */
const tBTA_GATTC_ST_TBL bta_gattc_st_tbl[] = {
bta_gattc_st_idle,
bta_gattc_st_w4_conn,
bta_gattc_st_connected,
bta_gattc_st_discover
};
/*****************************************************************************
** Global data
*****************************************************************************/
/* GATTC control block */
#if BTA_DYNAMIC_MEMORY == FALSE
tBTA_GATTC_CB bta_gattc_cb;
#else
tBTA_GATTC_CB *bta_gattc_cb_ptr;
#endif
#if BTA_GATT_DEBUG == TRUE
static char *gattc_evt_code(tBTA_GATTC_INT_EVT evt_code);
static char *gattc_state_code(tBTA_GATTC_STATE state_code);
#endif
/*******************************************************************************
**
** Function bta_gattc_sm_execute
**
** Description State machine event handling function for GATTC
**
**
** Returns BOOLEAN : TRUE if queued client request buffer can be immediately released
** else FALSE
**
*******************************************************************************/
BOOLEAN bta_gattc_sm_execute(tBTA_GATTC_CLCB *p_clcb, UINT16 event, tBTA_GATTC_DATA *p_data)
{
tBTA_GATTC_ST_TBL state_table;
UINT8 action;
int i;
BOOLEAN rt = TRUE;
#if BTA_GATT_DEBUG == TRUE
tBTA_GATTC_STATE in_state = p_clcb->state;
UINT16 in_event = event;
APPL_TRACE_DEBUG("bta_gattc_sm_execute: State 0x%02x [%s], Event 0x%x[%s]", in_state,
gattc_state_code(in_state),
in_event,
gattc_evt_code(in_event));
#endif
/* look up the state table for the current state */
state_table = bta_gattc_st_tbl[p_clcb->state];
event &= 0x00FF;
/* set next state */
p_clcb->state = state_table[event][BTA_GATTC_NEXT_STATE];
/* execute action functions */
for (i = 0; i < BTA_GATTC_ACTIONS; i++) {
if ((action = state_table[event][i]) != BTA_GATTC_IGNORE) {
(*bta_gattc_action[action])(p_clcb, p_data);
if (p_clcb->p_q_cmd == p_data) {
/* buffer is queued, don't free in the bta dispatcher.
* we free it ourselves when a completion event is received.
*/
rt = FALSE;
}
} else {
break;
}
}
#if BTA_GATT_DEBUG == TRUE
if (in_state != p_clcb->state) {
APPL_TRACE_DEBUG("GATTC State Change: [%s] -> [%s] after Event [%s]",
gattc_state_code(in_state),
gattc_state_code(p_clcb->state),
gattc_evt_code(in_event));
}
#endif
return rt;
}
/*******************************************************************************
**
** Function bta_gattc_hdl_event
**
** Description GATT client main event handling function.
**
**
** Returns BOOLEAN
**
*******************************************************************************/
BOOLEAN bta_gattc_hdl_event(BT_HDR *p_msg)
{
tBTA_GATTC_CB *p_cb = &bta_gattc_cb;
tBTA_GATTC_CLCB *p_clcb = NULL;
tBTA_GATTC_RCB *p_clreg;
BOOLEAN rt = TRUE;
#if BTA_GATT_DEBUG == TRUE
APPL_TRACE_DEBUG("bta_gattc_hdl_event: Event [%s]\n", gattc_evt_code(p_msg->event));
#endif
switch (p_msg->event) {
case BTA_GATTC_API_DISABLE_EVT:
bta_gattc_disable(p_cb);
break;
case BTA_GATTC_API_REG_EVT:
bta_gattc_register(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_INT_START_IF_EVT:
bta_gattc_start_if(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_DEREG_EVT:
p_clreg = bta_gattc_cl_get_regcb(((tBTA_GATTC_DATA *)p_msg)->api_dereg.client_if);
bta_gattc_deregister(p_cb, p_clreg);
break;
case BTA_GATTC_API_OPEN_EVT:
bta_gattc_process_api_open(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_CANCEL_OPEN_EVT:
bta_gattc_process_api_open_cancel(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_REFRESH_EVT:
bta_gattc_process_api_refresh(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_CACHE_ASSOC_EVT:
bta_gattc_process_api_cache_assoc(p_cb, (tBTA_GATTC_DATA *)p_msg);
break;
case BTA_GATTC_API_CACHE_GET_ADDR_LIST_EVT:
bta_gattc_process_api_cache_get_addr_list(p_cb, (tBTA_GATTC_DATA *)p_msg);
break;
case BTA_GATTC_API_CACHE_CLEAN_EVT:
bta_gattc_process_api_cache_clean(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
#if BLE_INCLUDED == TRUE
case BTA_GATTC_API_LISTEN_EVT:
bta_gattc_listen(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
case BTA_GATTC_API_BROADCAST_EVT:
bta_gattc_broadcast(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
#endif
case BTA_GATTC_ENC_CMPL_EVT:
bta_gattc_process_enc_cmpl(p_cb, (tBTA_GATTC_DATA *) p_msg);
break;
default:
if (p_msg->event == BTA_GATTC_INT_CONN_EVT) {
p_clcb = bta_gattc_find_int_conn_clcb((tBTA_GATTC_DATA *) p_msg);
p_clreg = bta_gattc_cl_get_regcb(((tBTA_GATTC_DATA *)p_msg)->int_conn.client_if);
if (p_clreg != NULL){
bta_gattc_conncback(p_clreg, (tBTA_GATTC_DATA *) p_msg);
}
} else if (p_msg->event == BTA_GATTC_INT_DISCONN_EVT) {
p_clreg = bta_gattc_cl_get_regcb(((tBTA_GATTC_DATA *)p_msg)->int_conn.client_if);
if (p_clreg != NULL){
bta_gattc_disconncback(p_clreg, (tBTA_GATTC_DATA *) p_msg);
}
p_clcb = bta_gattc_find_int_disconn_clcb((tBTA_GATTC_DATA *) p_msg);
} else {
p_clcb = bta_gattc_find_clcb_by_conn_id(p_msg->layer_specific);
}
if (p_clcb != NULL) {
rt = bta_gattc_sm_execute(p_clcb, p_msg->event, (tBTA_GATTC_DATA *) p_msg);
} else {
APPL_TRACE_DEBUG("Ignore unknown conn ID: %d\n", p_msg->layer_specific);
}
break;
}
return rt;
}
/*****************************************************************************
** Debug Functions
*****************************************************************************/
#if BTA_GATT_DEBUG == TRUE
/*******************************************************************************
**
** Function gattc_evt_code
**
** Description
**
** Returns void
**
*******************************************************************************/
static char *gattc_evt_code(tBTA_GATTC_INT_EVT evt_code)
{
switch (evt_code) {
case BTA_GATTC_API_OPEN_EVT:
return "BTA_GATTC_API_OPEN_EVT";
case BTA_GATTC_INT_OPEN_FAIL_EVT:
return "BTA_GATTC_INT_OPEN_FAIL_EVT";
case BTA_GATTC_API_CANCEL_OPEN_EVT:
return "BTA_GATTC_API_CANCEL_OPEN_EVT";
case BTA_GATTC_INT_CANCEL_OPEN_OK_EVT:
return "BTA_GATTC_INT_CANCEL_OPEN_OK_EVT";
case BTA_GATTC_API_READ_EVT:
return "BTA_GATTC_API_READ_EVT";
case BTA_GATTC_API_WRITE_EVT:
return "BTA_GATTC_API_WRITE_EVT";
case BTA_GATTC_API_EXEC_EVT:
return "BTA_GATTC_API_EXEC_EVT";
case BTA_GATTC_API_CLOSE_EVT:
return "BTA_GATTC_API_CLOSE_EVT";
case BTA_GATTC_API_SEARCH_EVT:
return "BTA_GATTC_API_SEARCH_EVT";
case BTA_GATTC_API_CONFIRM_EVT:
return "BTA_GATTC_API_CONFIRM_EVT";
case BTA_GATTC_API_READ_MULTI_EVT:
return "BTA_GATTC_API_READ_MULTI_EVT";
case BTA_GATTC_INT_CONN_EVT:
return "BTA_GATTC_INT_CONN_EVT";
case BTA_GATTC_INT_DISCOVER_EVT:
return "BTA_GATTC_INT_DISCOVER_EVT";
case BTA_GATTC_DISCOVER_CMPL_EVT:
return "BTA_GATTC_DISCOVER_CMPL_EVT";
case BTA_GATTC_OP_CMPL_EVT:
return "BTA_GATTC_OP_CMPL_EVT";
case BTA_GATTC_INT_DISCONN_EVT:
return "BTA_GATTC_INT_DISCONN_EVT";
case BTA_GATTC_INT_START_IF_EVT:
return "BTA_GATTC_INT_START_IF_EVT";
case BTA_GATTC_API_REG_EVT:
return "BTA_GATTC_API_REG_EVT";
case BTA_GATTC_API_DEREG_EVT:
return "BTA_GATTC_API_DEREG_EVT";
case BTA_GATTC_API_REFRESH_EVT:
return "BTA_GATTC_API_REFRESH_EVT";
case BTA_GATTC_API_CACHE_CLEAN_EVT:
return "BTA_GATTC_API_CACHE_CLEAN_EVT";
case BTA_GATTC_API_LISTEN_EVT:
return "BTA_GATTC_API_LISTEN_EVT";
case BTA_GATTC_API_DISABLE_EVT:
return "BTA_GATTC_API_DISABLE_EVT";
case BTA_GATTC_API_CFG_MTU_EVT:
return "BTA_GATTC_API_CFG_MTU_EVT";
case BTA_GATTC_API_READ_BY_TYPE_EVT:
return "BTA_GATTC_API_READ_BY_TYPE_EVT";
case BTA_GATTC_API_READ_MULTI_VAR_EVT:
return "BTA_GATTC_API_READ_MULTI_VAR_EVT";
default:
return "unknown GATTC event code";
}
}
/*******************************************************************************
**
** Function gattc_state_code
**
** Description
**
** Returns void
**
*******************************************************************************/
static char *gattc_state_code(tBTA_GATTC_STATE state_code)
{
switch (state_code) {
case BTA_GATTC_IDLE_ST:
return "GATTC_IDLE_ST";
case BTA_GATTC_W4_CONN_ST:
return "GATTC_W4_CONN_ST";
case BTA_GATTC_CONN_ST:
return "GATTC_CONN_ST";
case BTA_GATTC_DISCOVER_ST:
return "GATTC_DISCOVER_ST";
default:
return "unknown GATTC state code";
}
}
#endif /* Debug Functions */
void bta_gattc_deinit(void)
{
#if BTA_DYNAMIC_MEMORY
memset(bta_gattc_cb_ptr, 0, sizeof(tBTA_GATTC_CB));
FREE_AND_RESET(bta_gattc_cb_ptr);
#endif /* #if BTA_DYNAMIC_MEMORY */
}
uint8_t bta_gattc_cl_rcb_active_count(void)
{
uint8_t count = 0;
uint8_t dm_gattc_uuid[16];
// When SDP is included, Bluedroid stack will register the DM GATTC application
memset(dm_gattc_uuid, 0x87, 16);
for (uint8_t i = 0; i < BTA_GATTC_CL_MAX; i ++) {
if (bta_gattc_cb.cl_rcb[i].in_use &&
memcmp(bta_gattc_cb.cl_rcb[i].app_uuid.uu.uuid128, dm_gattc_uuid, 16)) {
count++;
}
}
return count;
}
#endif /* GATTC_INCLUDED == TRUE && BLE_INCLUDED == TRUE */
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