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OVMS3-idf/components/bt/bluedroid/profiles/esp/blufi/blufi_prf.c
Tian Hao 118984283a component/bt : blufi use api 
1. use api
2. bluetooth init/deinit/enable/disable wrap api(1st version)
3. bluetooth deinit(free resource) still some problem
2016-11-07 02:16:00 +08:00

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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// 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 <stdint.h>
#include <string.h>
#include <stdbool.h>
#include <stdio.h>
#include "bt_target.h"
#include "bt_trace.h"
#include "bt_types.h"
#include "gatt_api.h"
#include "bta_api.h"
#include "bta_gatt_api.h"
#include "bta_gatts_int.h"
#include "blufi_prf.h"
#include "blufi_adv.h"
#include "esp_adv_api.h"
#include "esp_bt_defs.h"
#include "esp_gatt_api.h"
#define BT_BD_ADDR_STR "%02x:%02x:%02x:%02x:%02x:%02x"
#define BT_BD_ADDR_HEX(addr) addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]
void blufi_config_success(void);
void blufi_config_failed(void);
UINT16 esp32_uuid = SVC_BLUFI_UUID;
UINT8 esp32_manu[17] = {0xff,0x20,0x14,0x07,0x22,0x00,0x02,0x5B,0x00,0x33,0x49,0x31,0x30,0x4a,0x30,0x30,0x31};
tBTA_BLE_MANU p_esp32_manu = {sizeof(esp32_manu),esp32_manu}; /* manufacturer data */
tBTA_BLE_SERVICE esp32_service = {
0x01, //only one service in the blufi profile
false,
&esp32_uuid
}; /* 16 bits services */
esp_ble_adv_data_cfg_t esp32_adv_data[ADV_SCAN_IDX_MAX] =
{
[BLE_ADV_DATA_IDX] = {
.adv_name = "Espressif_008",
{
{0,0},
NULL, //no manufature data to be setting in the esp32 adervetisiing datas
&esp32_service,
NULL, //the 128 bits service uuid set to null(not used)
NULL, //the 32 bits Service UUID set to null(not used)
NULL, //16 bits services Solicitation UUIDs set to null(not used)
NULL, //List of 32 bit Service Solicitation UUIDs set to null(not used)
NULL, //List of 128 bit Service Solicitation UUIDs set to null(not used)
NULL, //proprietary data set to null(not used)
NULL, //service data set not null(no service data to be sent)
0x0200, //device type : generic display
BTA_DM_GENERAL_DISC, // General discoverable.
0xFE //the tx power value,defult value is 0
},
},
[BLE_SCAN_RSP_DATA_IDX] = {
.adv_name = NULL,
{
{0,0},
&p_esp32_manu,
NULL,
NULL, //the 128 bits service uuid set to null(not used)
NULL, //the 32 bits Service UUID set to null(not used)
NULL, //16 bits services Solicitation UUIDs set to null(not used)
NULL, //List of 32 bit Service Solicitation UUIDs set to null(not used)
NULL, //List of 128 bit Service Solicitation UUIDs set to null(not used)
NULL, //proprietary data set to null(not used)
NULL, //service data set not null(no service data to be sent)
0x0000, //device type : generic display
0x00, // General discoverable.
0x00}, //the tx power value,defult value is 0
}
};
tBLE_BD_ADDR peer_bda = {
.type = API_PUBLIC_ADDR,
.bda = {0}
};
esp_ble_adv_params_all_t adv_params =
{
.adv_int_min = BTM_BLE_ADV_INT_MIN + 0x100,
.adv_int_max = BTM_BLE_ADV_INT_MIN + 0x100,
.adv_type = API_NON_DISCOVERABLE,
.addr_type_own = API_PUBLIC_ADDR,
.channel_map = ESP_BLE_ADV_CHNL_MAP,
.adv_filter_policy = ADV_ALLOW_SCAN_ANY_CON_ANY,
.p_dir_bda = &peer_bda
};
static tBLUFI_CB_ENV blufi_cb_env;
/*****************************************************************************
** Constants
*****************************************************************************/
static void blufi_profile_cb(esp_gatts_evt_t event, esp_gatts_t *p_data);
/*******************************************************************************
**
** Function blufi_profile_cb
**
** Description the callback function after the profile has been register to the BTA manager module
**
** Returns NULL
**
*******************************************************************************/
static void blufi_profile_cb(esp_gatts_evt_t event, esp_gatts_t *p_data)
{
esp_gatts_rsp_t rsp;
esp_bt_uuid_t uuid = {LEN_UUID_16, {SVC_BLUFI_UUID}};
tBLUFI_INST *p_inst = &blufi_cb_env.blufi_inst;
UINT8 net_event = 0xff;
UINT8 len = 0;
UINT8 *p_rec_data = NULL;
esp_gatt_status_t status;
LOG_DEBUG("blufi profile cb event = %x\n",event);
switch(event) {
case ESP_GATTS_REG_EVT:
status = p_data->reg_oper.status;
LOG_DEBUG("p_data->reg_oper.status = %x\n",p_data->reg_oper.status);
LOG_DEBUG("(p_data->reg_oper.uuid.uu.uuid16=%x\n",p_data->reg_oper.uuid.uu.uuid16);
if(p_data->reg_oper.status != ESP_GATT_OK) {
LOG_ERROR("blufi profile register failed\n");
return;
}
blufi_cb_env.gatt_if = p_data->reg_oper.server_if;
blufi_cb_env.enabled = true;
LOG_DEBUG("register complete: event=%d, status=%d, server_if=%d\n",
event, status, blufi_cb_env.gatt_if);
LOG_DEBUG("set advertising parameters\n");
//set the advertising data to the btm layer
BlufiBleConfigadvData(&esp32_adv_data[BLE_ADV_DATA_IDX], NULL);
//set the adversting data to the btm layer
BlufiBleSetScanRsp(&esp32_adv_data[BLE_SCAN_RSP_DATA_IDX],NULL);
esp_ble_start_advertising(&adv_params);
//create the blufi service to the service data base.
if(p_data->reg_oper.uuid.uu.uuid16 == SVC_BLUFI_UUID) {
blufi_create_service();
}
break;
case ESP_GATTS_READ_EVT:
memset(&rsp, 0, sizeof(tBTA_GATTS_API_RSP));
rsp.attr_value.handle = p_data->req_data.p_data->read_req.handle;
rsp.attr_value.len = 2;
//rsp.attr_value.value[0] = 0xde;
//rsp.attr_value.value[1] = 0xed;
//rsp.attr_value.value[2] = 0xbe;
//rsp.attr_value.value[3] = 0xef;
esp_ble_gatts_send_rsp(p_data->req_data.conn_id,p_data->req_data.trans_id,
p_data->req_data.status,&rsp);
break;
case ESP_GATTS_WRITE_EVT:
esp_ble_gatts_send_rsp(p_data->req_data.conn_id,p_data->req_data.trans_id,
p_data->req_data.status,NULL);
LOG_DEBUG("Received blufi data:");
for(int i = 0; i < p_data->req_data.p_data->write_req.len; i++){
LOG_DEBUG("%x",p_data->req_data.p_data->write_req.value[i]);
}
LOG_DEBUG("\n");
if (p_data->req_data.p_data->write_req.handle == blufi_cb_env.blufi_inst.blufi_hdl) {
p_rec_data = &p_data->req_data.p_data->write_req.value[0];
if (p_inst && p_inst->blufi_cback)
p_inst->blufi_cback(blufi_cb_env.blufi_inst.app_id, net_event, len, p_rec_data);
}
break;
case ESP_GATTS_CFM_EVT:
/* Nothing */
break;
case ESP_GATTS_CREATE_EVT:
uuid.uu.uuid16 = CHAR_BLUFI_UUID;
blufi_cb_env.clcb.cur_srvc_id = p_data->create.service_id;
blufi_cb_env.is_primery = p_data->create.is_primary;
//start the blufi service after created
esp_ble_gatts_start_srvc(p_data->create.service_id);
//add the frist blufi characteristic --> write characteristic
esp_ble_gatts_add_char(blufi_cb_env.clcb.cur_srvc_id, &uuid,
(GATT_PERM_WRITE | GATT_PERM_READ),
(GATT_CHAR_PROP_BIT_READ | GATT_CHAR_PROP_BIT_WRITE | GATT_CHAR_PROP_BIT_NOTIFY));
break;
case ESP_GATTS_ADD_CHAR_EVT:
if(p_data->add_result.char_uuid.uu.uuid16 == CHAR_BLUFI_UUID)
{
//save the att handle to the env
blufi_cb_env.blufi_inst.blufi_hdl = p_data->add_result.attr_id;
uuid.uu.uuid16 = GATT_UUID_CHAR_CLIENT_CONFIG;
esp_ble_gatts_add_char_descr(blufi_cb_env.clcb.cur_srvc_id,
(GATT_PERM_WRITE|GATT_PERM_WRITE),
&uuid);
}
break;
case ESP_GATTS_ADD_CHAR_DESCR_EVT:
/* Nothing */
break;
case ESP_GATTS_CONNECT_EVT:
//set the connection flag to true
blufi_env_clcb_alloc(p_data->conn.conn_id, p_data->conn.remote_bda);
LOG_DEBUG("\ndevice is connected "BT_BD_ADDR_STR", server_if=%d,reason=0x%x,connect_id=%d\n",
BT_BD_ADDR_HEX(p_data->conn.remote_bda), p_data->conn.server_if,
p_data->conn.reason, p_data->conn.conn_id);
/*return whether the remote device is currently connected*/
int is_connected = BTA_DmGetConnectionState(p_data->conn.remote_bda);
LOG_DEBUG("is_connected=%d\n",is_connected);
esp_ble_stop_advertising(); //stop adv
break;
case ESP_GATTS_DISCONNECT_EVT:
//set the connection flag to true
blufi_cb_env.clcb.connected = false;
esp_ble_start_advertising(&adv_params);
break;
case ESP_GATTS_OPEN_EVT:
break;
case ESP_GATTS_CLOSE_EVT:
if(blufi_cb_env.clcb.connected && (blufi_cb_env.clcb.conn_id == p_data->conn.conn_id))
{
//set the connection channal congested flag to true
blufi_cb_env.clcb.congest = p_data->congest.congested;
}
break;
case ESP_GATTS_CONGEST_EVT:
break;
default:
break;
}
}
/*******************************************************************************
**
** Function blufi_create_service
**
** Description Create a Service for the blufi profile
**
** Returns NULL
**
*******************************************************************************/
void blufi_create_service(void)
{
esp_gatts_if_t server_if ;
esp_bt_uuid_t uuid = {LEN_UUID_16, {SVC_BLUFI_UUID}};
UINT16 num_handle = BLUFI_HDL_NUM;
UINT8 inst = 0x00;
server_if = blufi_cb_env.gatt_if;
blufi_cb_env.inst_id = inst;
if(!blufi_cb_env.enabled)
{
LOG_ERROR("blufi service added error.");
return;
}
esp_ble_gatts_create_srvc(server_if, &uuid, inst, num_handle, true);
}
/*******************************************************************************
**
** Function blufi_env_clcb_alloc
**
** Description The function allocates a GATT profile connection link control block
**
** Returns NULL if not found. Otherwise pointer to the connection link block.
**
*******************************************************************************/
tBLUFI_CLCB *blufi_env_clcb_alloc (UINT16 conn_id, BD_ADDR remote_bda)
{
tBLUFI_CLCB *p_clcb = NULL;
p_clcb = &blufi_cb_env.clcb;
if(!p_clcb->in_use)
{
p_clcb->in_use = TRUE;
p_clcb->conn_id = conn_id;
p_clcb->connected = TRUE;
memcpy(p_clcb->remote_bda, remote_bda, BD_ADDR_LEN);
LOG_ERROR("p_clcb->conn_id = %x\n", conn_id);
}
return p_clcb;
}
/*******************************************************************************
**
** Function blufi_env_find_conn_id_by_bd_adddr
**
** Description The function searches all LCB with macthing bd address
**
** Returns total number of clcb found.
**
*******************************************************************************/
/*
UINT16 blufi_env_find_conn_id_by_bd_adddr(BD_ADDR remote_bda)
{
UINT8 i_clcb;
tBLUFI_CLCB *p_clcb = NULL;
for(i_clcb = 0, p_clcb = &blufi_cb_env.clcb; i_clcb < BLUFIT_MAX_APPS; i_clcb++, p_clcb++)
{
if(p_clcb->in_use && p_clcb->connected && memcmp(p_clcb->remote_bda, remote_bda, BD_ADDR_LEN) == 0)
{
return p_clcb->conn_id;
}
}
return GATT_INVALID_CONN_ID;
}
*/
/*******************************************************************************
**
** Function blufi_env_clcb_dealloc
**
** Description The function deallocates a GATT profile connection link control block
**
** Returns True the deallocation is successful
**
*******************************************************************************/
BOOLEAN blufi_env_clcb_dealloc(UINT16 conn_id)
{
// UINT8 i_clcb = 0;
// tBLUFI_CLCB *p_clcb = NULL;
return FALSE;
}
/*******************************************************************************
**
** Function blufi_init
**
** Description Initializa the GATT Service for blufi profiles.
**
*******************************************************************************/
esp_gatt_status_t blufi_profile_init (tBLUFI_CBACK *call_back)
{
esp_bt_uuid_t app_uuid = {LEN_UUID_16, {SVC_BLUFI_UUID}};
if(blufi_cb_env.enabled)
{
LOG_ERROR("blufi svc already initaliezd");
return GATT_ERROR;
}
else
{
memset(&blufi_cb_env,0,sizeof(tBLUFI_CB_ENV));
}
if(call_back != NULL)
{
blufi_cb_env.blufi_inst.blufi_cback = call_back;
}
/* register the blufi profile to the ESP_GATTS module*/
esp_ble_gatts_app_register(&app_uuid, blufi_profile_cb);
return GATT_SUCCESS;
}
void blufi_msg_notify(UINT8 *blufi_msg, UINT8 len)
{
BOOLEAN conn_status = blufi_cb_env.clcb.connected;
UINT16 conn_id = blufi_cb_env.clcb.conn_id;
UINT16 attr_id = blufi_cb_env.blufi_inst.blufi_hdl;
//notify rsp==false; indicate rsp==true.
BOOLEAN rsp = false;
if(!conn_status && blufi_cb_env.clcb.congest)
{
LOG_ERROR("the conneciton for blufi profile has been loss");
return;
}
esp_ble_gatts_hdl_val_indica(conn_id, attr_id, len,
blufi_msg, rsp);
}
void blufi_config_success(void)
{
uint8_t *success_msg = "BLUFI_CONFIG_OK";
blufi_msg_notify(success_msg, strlen(success_msg));
}
void blufi_config_failed(void)
{
uint8_t *failed_msg = "BLUFI_CONFIG_FAILED";
blufi_msg_notify(failed_msg, strlen(failed_msg));
}
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