/******************************************************************************
*
* Copyright (C) 2009-2013 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.
*
******************************************************************************/
#include "bt_target.h"
#include <string.h>
#include "bt_utils.h"
#include "btcore/include/uuid.h"
#include "btm_int.h"
#include "gap_api.h"
#include "gap_int.h"
#include "gatt_api.h"
#include "gatt_int.h"
#include "gattdefs.h"
#include "hcimsgs.h"
#include "osi/include/osi.h"
#define GAP_CHAR_ICON_SIZE 2
#define GAP_CHAR_DEV_NAME_SIZE 248
#define GAP_MAX_NUM_INC_SVR 0
#define GAP_MAX_ATTR_NUM (2 * GAP_MAX_CHAR_NUM + GAP_MAX_NUM_INC_SVR + 1)
#define GAP_MAX_CHAR_VALUE_SIZE (30 + GAP_CHAR_DEV_NAME_SIZE)
#ifndef GAP_ATTR_DB_SIZE
#define GAP_ATTR_DB_SIZE \
GATT_DB_MEM_SIZE(GAP_MAX_NUM_INC_SVR, GAP_MAX_CHAR_NUM, \
GAP_MAX_CHAR_VALUE_SIZE)
#endif
static void gap_ble_s_attr_request_cback(uint16_t conn_id, uint32_t trans_id,
tGATTS_REQ_TYPE op_code,
tGATTS_DATA* p_data);
/* client connection callback */
static void gap_ble_c_connect_cback(tGATT_IF gatt_if, BD_ADDR bda,
uint16_t conn_id, bool connected,
tGATT_DISCONN_REASON reason,
tGATT_TRANSPORT transport);
static void gap_ble_c_cmpl_cback(uint16_t conn_id, tGATTC_OPTYPE op,
tGATT_STATUS status,
tGATT_CL_COMPLETE* p_data);
static tGATT_CBACK gap_cback = {gap_ble_c_connect_cback,
gap_ble_c_cmpl_cback,
NULL,
NULL,
gap_ble_s_attr_request_cback,
NULL,
NULL,
NULL,
NULL};
/*******************************************************************************
*
* Function gap_find_clcb_by_bd_addr
*
* Description The function searches all LCB with macthing bd address
*
* Returns total number of clcb found.
*
******************************************************************************/
tGAP_CLCB* gap_find_clcb_by_bd_addr(BD_ADDR bda) {
uint8_t i_clcb;
tGAP_CLCB* p_clcb = NULL;
for (i_clcb = 0, p_clcb = gap_cb.clcb; i_clcb < GAP_MAX_CL;
i_clcb++, p_clcb++) {
if (p_clcb->in_use && !memcmp(p_clcb->bda, bda, BD_ADDR_LEN)) {
return p_clcb;
}
}
return NULL;
}
/* returns LCB with matching connection ID, or NULL if not found */
tGAP_CLCB* gap_ble_find_clcb_by_conn_id(uint16_t conn_id) {
uint8_t i_clcb;
tGAP_CLCB* p_clcb = NULL;
for (i_clcb = 0, p_clcb = gap_cb.clcb; i_clcb < GAP_MAX_CL;
i_clcb++, p_clcb++) {
if (p_clcb->in_use && p_clcb->connected && p_clcb->conn_id == conn_id) {
return p_clcb;
}
}
return NULL;
}
/*******************************************************************************
*
* Function gap_clcb_alloc
*
* Description The function allocates a GAP connection link control block
*
* Returns NULL if not found. Otherwise pointer to the connection link
* block.
*
******************************************************************************/
tGAP_CLCB* gap_clcb_alloc(BD_ADDR bda) {
uint8_t i_clcb = 0;
tGAP_CLCB* p_clcb = NULL;
for (i_clcb = 0, p_clcb = gap_cb.clcb; i_clcb < GAP_MAX_CL;
i_clcb++, p_clcb++) {
if (!p_clcb->in_use) {
fixed_queue_free(p_clcb->pending_req_q, NULL);
memset(p_clcb, 0, sizeof(tGAP_CLCB));
p_clcb->in_use = true;
memcpy(p_clcb->bda, bda, BD_ADDR_LEN);
p_clcb->pending_req_q = fixed_queue_new(SIZE_MAX);
return p_clcb;
}
}
return NULL;
}
/*******************************************************************************
*
* Function gap_ble_dealloc_clcb
*
* Description The function clean up the pending request queue in GAP
*
* Returns none
*
******************************************************************************/
void gap_ble_dealloc_clcb(tGAP_CLCB* p_clcb) {
tGAP_BLE_REQ* p_q;
while ((p_q = (tGAP_BLE_REQ*)fixed_queue_try_dequeue(
p_clcb->pending_req_q)) != NULL) {
/* send callback to all pending requests if being removed*/
if (p_q->p_cback != NULL) (*p_q->p_cback)(false, p_clcb->bda, 0, NULL);
osi_free(p_q);
}
fixed_queue_free(p_clcb->pending_req_q, NULL);
memset(p_clcb, 0, sizeof(tGAP_CLCB));
}
/*******************************************************************************
*
* Function gap_ble_enqueue_request
*
* Description The function enqueue a GAP client request
*
* Returns true is successul; false otherwise
*
******************************************************************************/
bool gap_ble_enqueue_request(tGAP_CLCB* p_clcb, uint16_t uuid,
tGAP_BLE_CMPL_CBACK* p_cback) {
tGAP_BLE_REQ* p_q = (tGAP_BLE_REQ*)osi_malloc(sizeof(tGAP_BLE_REQ));
p_q->p_cback = p_cback;
p_q->uuid = uuid;
fixed_queue_enqueue(p_clcb->pending_req_q, p_q);
return true;
}
/*******************************************************************************
*
* Function gap_ble_dequeue_request
*
* Description The function dequeue a GAP client request if any
*
* Returns true is successul; false otherwise
*
******************************************************************************/
bool gap_ble_dequeue_request(tGAP_CLCB* p_clcb, uint16_t* p_uuid,
tGAP_BLE_CMPL_CBACK** p_cback) {
tGAP_BLE_REQ* p_q =
(tGAP_BLE_REQ*)fixed_queue_try_dequeue(p_clcb->pending_req_q);
;
if (p_q != NULL) {
*p_cback = p_q->p_cback;
*p_uuid = p_q->uuid;
osi_free(p_q);
return true;
}
return false;
}
/*******************************************************************************
* GAP Attributes Database Request callback
******************************************************************************/
tGATT_STATUS gap_read_attr_value(uint16_t handle, tGATT_VALUE* p_value,
bool is_long) {
tGAP_ATTR* p_db_attr = gap_cb.gatt_attr;
uint8_t *p = p_value->value, i;
uint16_t offset = p_value->offset;
uint8_t* p_dev_name = NULL;
for (i = 0; i < GAP_MAX_CHAR_NUM; i++, p_db_attr++) {
if (handle == p_db_attr->handle) {
if (p_db_attr->uuid != GATT_UUID_GAP_DEVICE_NAME && is_long == true)
return GATT_NOT_LONG;
switch (p_db_attr->uuid) {
case GATT_UUID_GAP_DEVICE_NAME:
BTM_ReadLocalDeviceName((char**)&p_dev_name);
if (strlen((char*)p_dev_name) > GATT_MAX_ATTR_LEN)
p_value->len = GATT_MAX_ATTR_LEN;
else
p_value->len = (uint16_t)strlen((char*)p_dev_name);
if (offset > p_value->len)
return GATT_INVALID_OFFSET;
else {
p_value->len -= offset;
p_dev_name += offset;
ARRAY_TO_STREAM(p, p_dev_name, p_value->len);
GAP_TRACE_EVENT("GATT_UUID_GAP_DEVICE_NAME len=0x%04x",
p_value->len);
}
break;
case GATT_UUID_GAP_ICON:
UINT16_TO_STREAM(p, p_db_attr->attr_value.icon);
p_value->len = 2;
break;
case GATT_UUID_GAP_PREF_CONN_PARAM:
UINT16_TO_STREAM(
p, p_db_attr->attr_value.conn_param.int_min); /* int_min */
UINT16_TO_STREAM(
p, p_db_attr->attr_value.conn_param.int_max); /* int_max */
UINT16_TO_STREAM(
p, p_db_attr->attr_value.conn_param.latency); /* latency */
UINT16_TO_STREAM(
p, p_db_attr->attr_value.conn_param.sp_tout); /* sp_tout */
p_value->len = 8;
break;
/* address resolution */
case GATT_UUID_GAP_CENTRAL_ADDR_RESOL:
UINT8_TO_STREAM(p, p_db_attr->attr_value.addr_resolution);
p_value->len = 1;
break;
}
return GATT_SUCCESS;
}
}
return GATT_NOT_FOUND;
}
/*******************************************************************************
* GAP Attributes Database Read/Read Blob Request process
******************************************************************************/
tGATT_STATUS gap_proc_read(UNUSED_ATTR tGATTS_REQ_TYPE type,
tGATT_READ_REQ* p_data, tGATTS_RSP* p_rsp) {
tGATT_STATUS status = GATT_NO_RESOURCES;
if (p_data->is_long) p_rsp->attr_value.offset = p_data->offset;
p_rsp->attr_value.handle = p_data->handle;
status =
gap_read_attr_value(p_data->handle, &p_rsp->attr_value, p_data->is_long);
return status;
}
/******************************************************************************
*
* Function gap_proc_write_req
*
* Description GAP ATT server process a write request.
*
* Returns void.
*
******************************************************************************/
uint8_t gap_proc_write_req(UNUSED_ATTR tGATTS_REQ_TYPE type,
tGATT_WRITE_REQ* p_data) {
tGAP_ATTR* p_db_attr = gap_cb.gatt_attr;
uint8_t i;
for (i = 0; i < GAP_MAX_CHAR_NUM; i++, p_db_attr++) {
if (p_data->handle == p_db_attr->handle) {
return GATT_WRITE_NOT_PERMIT;
}
}
return GATT_NOT_FOUND;
}
/******************************************************************************
*
* Function gap_ble_s_attr_request_cback
*
* Description GAP ATT server attribute access request callback.
*
* Returns void.
*
******************************************************************************/
void gap_ble_s_attr_request_cback(uint16_t conn_id, uint32_t trans_id,
tGATTS_REQ_TYPE type, tGATTS_DATA* p_data) {
uint8_t status = GATT_INVALID_PDU;
tGATTS_RSP rsp_msg;
bool ignore = false;
GAP_TRACE_EVENT("gap_ble_s_attr_request_cback : recv type (0x%02x)", type);
memset(&rsp_msg, 0, sizeof(tGATTS_RSP));
switch (type) {
case GATTS_REQ_TYPE_READ_CHARACTERISTIC:
case GATTS_REQ_TYPE_READ_DESCRIPTOR:
status = gap_proc_read(type, &p_data->read_req, &rsp_msg);
break;
case GATTS_REQ_TYPE_WRITE_CHARACTERISTIC:
case GATTS_REQ_TYPE_WRITE_DESCRIPTOR:
if (!p_data->write_req.need_rsp) ignore = true;
status = gap_proc_write_req(type, &p_data->write_req);
break;
case GATTS_REQ_TYPE_WRITE_EXEC:
ignore = true;
GAP_TRACE_EVENT("Ignore GATTS_REQ_TYPE_WRITE_EXEC");
break;
case GATTS_REQ_TYPE_MTU:
GAP_TRACE_EVENT("Get MTU exchange new mtu size: %d", p_data->mtu);
ignore = true;
break;
default:
GAP_TRACE_EVENT("Unknown/unexpected LE GAP ATT request: 0x%02x", type);
break;
}
if (!ignore) GATTS_SendRsp(conn_id, trans_id, status, &rsp_msg);
}
/*******************************************************************************
*
* Function btm_ble_att_db_init
*
* Description GAP ATT database initalization.
*
* Returns void.
*
******************************************************************************/
void gap_attr_db_init(void) {
tBT_UUID app_uuid = {LEN_UUID_128, {0}};
uint16_t service_handle;
/* Fill our internal UUID with a fixed pattern 0x82 */
memset(&app_uuid.uu.uuid128, 0x82, LEN_UUID_128);
memset(gap_cb.gatt_attr, 0, sizeof(tGAP_ATTR) * GAP_MAX_CHAR_NUM);
gap_cb.gatt_if = GATT_Register(&app_uuid, &gap_cback);
GATT_StartIf(gap_cb.gatt_if);
bt_uuid_t svc_uuid, name_uuid, icon_uuid, pref_uuid, addr_res_uuid;
uuid_128_from_16(&svc_uuid, UUID_SERVCLASS_GAP_SERVER);
uuid_128_from_16(&name_uuid, GATT_UUID_GAP_DEVICE_NAME);
uuid_128_from_16(&icon_uuid, GATT_UUID_GAP_ICON);
uuid_128_from_16(&pref_uuid, GATT_UUID_GAP_PREF_CONN_PARAM);
uuid_128_from_16(&addr_res_uuid, GATT_UUID_GAP_CENTRAL_ADDR_RESOL);
btgatt_db_element_t service[] = {
{.type = BTGATT_DB_PRIMARY_SERVICE, .uuid = svc_uuid},
{.type = BTGATT_DB_CHARACTERISTIC,
.uuid = name_uuid,
.properties = GATT_CHAR_PROP_BIT_READ,
.permissions = GATT_PERM_READ},
{.type = BTGATT_DB_CHARACTERISTIC,
.uuid = icon_uuid,
.properties = GATT_CHAR_PROP_BIT_READ,
.permissions = GATT_PERM_READ},
{.type = BTGATT_DB_CHARACTERISTIC,
.uuid = addr_res_uuid,
.properties = GATT_CHAR_PROP_BIT_READ,
.permissions = GATT_PERM_READ}
#if (BTM_PERIPHERAL_ENABLED == TRUE) /* Only needed for peripheral testing */
,
{.type = BTGATT_DB_CHARACTERISTIC,
.uuid = pref_uuid,
.properties = GATT_CHAR_PROP_BIT_READ,
.permissions = GATT_PERM_READ}
#endif
};
/* Add a GAP service */
GATTS_AddService(gap_cb.gatt_if, service,
sizeof(service) / sizeof(btgatt_db_element_t));
service_handle = service[0].attribute_handle;
GAP_TRACE_EVENT("%s: service_handle = %d", __func__, service_handle);
gap_cb.gatt_attr[0].uuid = GATT_UUID_GAP_DEVICE_NAME;
gap_cb.gatt_attr[0].handle = service[1].attribute_handle;
gap_cb.gatt_attr[1].uuid = GATT_UUID_GAP_ICON;
gap_cb.gatt_attr[1].handle = service[2].attribute_handle;
gap_cb.gatt_attr[2].uuid = GATT_UUID_GAP_CENTRAL_ADDR_RESOL;
gap_cb.gatt_attr[2].handle = service[3].attribute_handle;
gap_cb.gatt_attr[2].attr_value.addr_resolution = 0;
#if (BTM_PERIPHERAL_ENABLED == TRUE) /* Only needed for peripheral testing */
gap_cb.gatt_attr[3].uuid = GATT_UUID_GAP_PREF_CONN_PARAM;
gap_cb.gatt_attr[3].attr_value.conn_param.int_max =
GAP_PREFER_CONN_INT_MAX; /* 6 */
gap_cb.gatt_attr[3].attr_value.conn_param.int_min =
GAP_PREFER_CONN_INT_MIN; /* 0 */
gap_cb.gatt_attr[3].attr_value.conn_param.latency =
GAP_PREFER_CONN_LATENCY; /* 0 */
gap_cb.gatt_attr[3].attr_value.conn_param.sp_tout =
GAP_PREFER_CONN_SP_TOUT; /* 2000 */
gap_cb.gatt_attr[3].handle = service[4].attribute_handle;
#endif
}
/*******************************************************************************
*
* Function GAP_BleAttrDBUpdate
*
* Description GAP ATT database update.
*
* Returns void.
*
******************************************************************************/
void GAP_BleAttrDBUpdate(uint16_t attr_uuid, tGAP_BLE_ATTR_VALUE* p_value) {
tGAP_ATTR* p_db_attr = gap_cb.gatt_attr;
uint8_t i = 0;
GAP_TRACE_EVENT("GAP_BleAttrDBUpdate attr_uuid=0x%04x", attr_uuid);
for (i = 0; i < GAP_MAX_CHAR_NUM; i++, p_db_attr++) {
if (p_db_attr->uuid == attr_uuid) {
GAP_TRACE_EVENT("Found attr_uuid=0x%04x", attr_uuid);
switch (attr_uuid) {
case GATT_UUID_GAP_ICON:
p_db_attr->attr_value.icon = p_value->icon;
break;
case GATT_UUID_GAP_PREF_CONN_PARAM:
memcpy((void*)&p_db_attr->attr_value.conn_param,
(const void*)&p_value->conn_param,
sizeof(tGAP_BLE_PREF_PARAM));
break;
case GATT_UUID_GAP_DEVICE_NAME:
BTM_SetLocalDeviceName((char*)p_value->p_dev_name);
break;
case GATT_UUID_GAP_CENTRAL_ADDR_RESOL:
p_db_attr->attr_value.addr_resolution = p_value->addr_resolution;
break;
}
break;
}
}
return;
}
/*******************************************************************************
*
* Function gap_ble_send_cl_read_request
*
* Description utility function to send a read request for a GAP
* charactersitic
*
* Returns true if read started, else false if GAP is busy
*
******************************************************************************/
bool gap_ble_send_cl_read_request(tGAP_CLCB* p_clcb) {
tGATT_READ_PARAM param;
uint16_t uuid = 0;
bool started = false;
if (gap_ble_dequeue_request(p_clcb, &uuid, &p_clcb->p_cback)) {
memset(¶m, 0, sizeof(tGATT_READ_PARAM));
param.service.uuid.len = LEN_UUID_16;
param.service.uuid.uu.uuid16 = uuid;
param.service.s_handle = 1;
param.service.e_handle = 0xFFFF;
param.service.auth_req = 0;
if (GATTC_Read(p_clcb->conn_id, GATT_READ_BY_TYPE, ¶m) ==
GATT_SUCCESS) {
p_clcb->cl_op_uuid = uuid;
started = true;
}
}
return started;
}
/*******************************************************************************
*
* Function gap_ble_cl_op_cmpl
*
* Description GAP client operation complete callback
*
* Returns void
*
******************************************************************************/
void gap_ble_cl_op_cmpl(tGAP_CLCB* p_clcb, bool status, uint16_t len,
uint8_t* p_name) {
tGAP_BLE_CMPL_CBACK* p_cback = p_clcb->p_cback;
uint16_t op = p_clcb->cl_op_uuid;
GAP_TRACE_EVENT("gap_ble_cl_op_cmpl status: %d", status);
p_clcb->cl_op_uuid = 0;
p_clcb->p_cback = NULL;
if (p_cback && op) {
GAP_TRACE_EVENT("calling gap_ble_cl_op_cmpl");
(*p_cback)(status, p_clcb->bda, len, (char*)p_name);
}
/* if no further activity is requested in callback, drop the link */
if (p_clcb->connected) {
if (!gap_ble_send_cl_read_request(p_clcb)) {
GATT_Disconnect(p_clcb->conn_id);
gap_ble_dealloc_clcb(p_clcb);
}
}
}
/*******************************************************************************
*
* Function gap_ble_c_connect_cback
*
* Description Client connection callback.
*
* Returns void
*
******************************************************************************/
static void gap_ble_c_connect_cback(UNUSED_ATTR tGATT_IF gatt_if, BD_ADDR bda,
uint16_t conn_id, bool connected,
tGATT_DISCONN_REASON reason,
UNUSED_ATTR tGATT_TRANSPORT transport) {
tGAP_CLCB* p_clcb = gap_find_clcb_by_bd_addr(bda);
if (p_clcb != NULL) {
if (connected) {
p_clcb->conn_id = conn_id;
p_clcb->connected = true;
/* start operation is pending */
gap_ble_send_cl_read_request(p_clcb);
} else {
p_clcb->connected = false;
gap_ble_cl_op_cmpl(p_clcb, false, 0, NULL);
/* clean up clcb */
gap_ble_dealloc_clcb(p_clcb);
}
}
}
/*******************************************************************************
*
* Function gap_ble_c_cmpl_cback
*
* Description Client operation complete callback.
*
* Returns void
*
******************************************************************************/
static void gap_ble_c_cmpl_cback(uint16_t conn_id, tGATTC_OPTYPE op,
tGATT_STATUS status, tGATT_CL_COMPLETE* p_data)
{
tGAP_CLCB* p_clcb = gap_ble_find_clcb_by_conn_id(conn_id);
uint16_t op_type;
uint16_t min, max, latency, tout;
uint16_t len;
uint8_t* pp;
if (p_clcb == NULL) return;
op_type = p_clcb->cl_op_uuid;
GAP_TRACE_EVENT(
"gap_ble_c_cmpl_cback() - op_code: 0x%02x status: 0x%02x read_type: "
"0x%04x",
op, status, op_type);
/* Currently we only issue read commands */
if (op != GATTC_OPTYPE_READ) return;
if (status != GATT_SUCCESS) {
gap_ble_cl_op_cmpl(p_clcb, false, 0, NULL);
return;
}
pp = p_data->att_value.value;
switch (op_type) {
case GATT_UUID_GAP_PREF_CONN_PARAM:
GAP_TRACE_EVENT("GATT_UUID_GAP_PREF_CONN_PARAM");
/* Extract the peripheral preferred connection parameters and save them */
STREAM_TO_UINT16(min, pp);
STREAM_TO_UINT16(max, pp);
STREAM_TO_UINT16(latency, pp);
STREAM_TO_UINT16(tout, pp);
BTM_BleSetPrefConnParams(p_clcb->bda, min, max, latency, tout);
/* release the connection here */
gap_ble_cl_op_cmpl(p_clcb, true, 0, NULL);
break;
case GATT_UUID_GAP_DEVICE_NAME:
GAP_TRACE_EVENT("GATT_UUID_GAP_DEVICE_NAME");
len = (uint16_t)strlen((char*)pp);
if (len > GAP_CHAR_DEV_NAME_SIZE) len = GAP_CHAR_DEV_NAME_SIZE;
gap_ble_cl_op_cmpl(p_clcb, true, len, pp);
break;
case GATT_UUID_GAP_CENTRAL_ADDR_RESOL:
gap_ble_cl_op_cmpl(p_clcb, true, 1, pp);
break;
}
}
/*******************************************************************************
*
* Function gap_ble_accept_cl_operation
*
* Description Start a process to read peer address resolution capability
*
* Returns true if request accepted
*
******************************************************************************/
bool gap_ble_accept_cl_operation(BD_ADDR peer_bda, uint16_t uuid,
tGAP_BLE_CMPL_CBACK* p_cback) {
tGAP_CLCB* p_clcb;
bool started = false;
if (p_cback == NULL && uuid != GATT_UUID_GAP_PREF_CONN_PARAM)
return (started);
p_clcb = gap_find_clcb_by_bd_addr(peer_bda);
if (p_clcb == NULL) {
p_clcb = gap_clcb_alloc(peer_bda);
if (p_clcb == NULL) {
GAP_TRACE_ERROR("gap_ble_accept_cl_operation max connection reached");
return started;
}
}
GAP_TRACE_EVENT("%s() - BDA: %08x%04x cl_op_uuid: 0x%04x", __func__,
(peer_bda[0] << 24) + (peer_bda[1] << 16) +
(peer_bda[2] << 8) + peer_bda[3],
(peer_bda[4] << 8) + peer_bda[5], uuid);
if (GATT_GetConnIdIfConnected(gap_cb.gatt_if, peer_bda, &p_clcb->conn_id,
BT_TRANSPORT_LE))
p_clcb->connected = true;
if (!GATT_Connect(gap_cb.gatt_if, p_clcb->bda, true, BT_TRANSPORT_LE, true))
return started;
/* enqueue the request */
gap_ble_enqueue_request(p_clcb, uuid, p_cback);
if (p_clcb->connected && p_clcb->cl_op_uuid == 0)
started = gap_ble_send_cl_read_request(p_clcb);
else /* wait for connection up or pending operation to finish */
started = true;
return started;
}
/*******************************************************************************
*
* Function GAP_BleReadPeerPrefConnParams
*
* Description Start a process to read a connected peripheral's preferred
* connection parameters
*
* Returns true if read started, else false if GAP is busy
*
******************************************************************************/
bool GAP_BleReadPeerPrefConnParams(BD_ADDR peer_bda) {
return gap_ble_accept_cl_operation(peer_bda, GATT_UUID_GAP_PREF_CONN_PARAM,
NULL);
}
/*******************************************************************************
*
* Function GAP_BleReadPeerDevName
*
* Description Start a process to read a connected peripheral's device
* name.
*
* Returns true if request accepted
*
******************************************************************************/
bool GAP_BleReadPeerDevName(BD_ADDR peer_bda, tGAP_BLE_CMPL_CBACK* p_cback) {
return gap_ble_accept_cl_operation(peer_bda, GATT_UUID_GAP_DEVICE_NAME,
p_cback);
}
/*******************************************************************************
*
* Function GAP_BleReadPeerAddressResolutionCap
*
* Description Start a process to read peer address resolution capability
*
* Returns true if request accepted
*
******************************************************************************/
bool GAP_BleReadPeerAddressResolutionCap(BD_ADDR peer_bda,
tGAP_BLE_CMPL_CBACK* p_cback) {
return gap_ble_accept_cl_operation(peer_bda, GATT_UUID_GAP_CENTRAL_ADDR_RESOL,
p_cback);
}
/*******************************************************************************
*
* Function GAP_BleCancelReadPeerDevName
*
* Description Cancel reading a peripheral's device name.
*
* Returns true if request accepted
*
******************************************************************************/
bool GAP_BleCancelReadPeerDevName(BD_ADDR peer_bda) {
tGAP_CLCB* p_clcb = gap_find_clcb_by_bd_addr(peer_bda);
GAP_TRACE_EVENT(
"GAP_BleCancelReadPeerDevName() - BDA: %08x%04x cl_op_uuid: 0x%04x",
(peer_bda[0] << 24) + (peer_bda[1] << 16) + (peer_bda[2] << 8) +
peer_bda[3],
(peer_bda[4] << 8) + peer_bda[5],
(p_clcb == NULL) ? 0 : p_clcb->cl_op_uuid);
if (p_clcb == NULL) {
GAP_TRACE_ERROR("Cannot cancel current op is not get dev name");
return false;
}
if (!p_clcb->connected) {
if (!GATT_CancelConnect(gap_cb.gatt_if, peer_bda, true)) {
GAP_TRACE_ERROR("Cannot cancel where No connection id");
return false;
}
}
gap_ble_cl_op_cmpl(p_clcb, false, 0, NULL);
return (true);
}