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esp-idf/components/bt/bluedroid/btc/profile/std/battery/battery_prf.c
Tian Hao 521ef3f579 component/bt : new architectecture 
1st compile ok
2016-11-15 20:56:15 +08:00

625 lines
22 KiB
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#include <stdint.h>
// 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 <string.h>
#include <stdbool.h>
#include <stdio.h>
//#include "bluedroid_test.h"
#include "bta_api.h"
#include "bta_gatt_api.h"
#include "controller.h"
#include "gatt_int.h"
#include "bt_trace.h"
#include "btm_api.h"
#include "bt_types.h"
#include "dis_api.h"
#if BLE_INCLUDED == true
#define BA_MAX_CHAR_NUM 1
#define BA_MAX_ATTR_NUM (BA_MAX_CHAR_NUM * 5 + 1)
/*max 3 descriptors, 1 desclaration and 1 value*/
#ifndef BATTER_LEVEL_PROP
#define BATTER_LEVEL_PROP (GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_NOTIFY)
#endif
#ifndef BATTER_LEVEL_PERM
#define BATTER_LEVEL_PERM (GATT_PERM_READ)
#endif
#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]
esp_gatts_if_t server_if;
tBATTERY_CB battery_cb;
tGATT_CHAR_PROP prop = GATT_CHAR_PROP_BIT_READ;
tBA_REG_INFO ba_reg_info;
UINT8 attr_handle_bit = 0x00;
extern tDIS_CB dis_cb;
esp_bt_uuid_t bas_uuid = {LEN_UUID_16, {UUID_SERVCLASS_BATTERY}};
/******************************************************************************
** Function bas_gatts_callback
**
** Description battery service register callback function
*******************************************************************************/
static void bas_gatts_callback(esp_gatts_evt_t event, tBTA_GATTS* p_data)
{
switch (event)
{
case ESP_GATTS_REG_EVT:
{
esp_gatt_status_t status = p_data->reg_oper.status;
server_if = p_data->reg_oper.server_if;
LOG_ERROR("BAS register completed: event=%d, status=%d, server_if=%d\n",
event, status, server_if);
UINT8 app_id = 0xff;
bas_init(server_if, app_id);
tDIS_ATTR_MASK mask = 0x01ff;
DIS_Init(server_if, mask);
}
break;
/*connect callback*/
case ESP_GATTS_CONNECT_EVT:
{
LOG_ERROR("\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_ERROR("is_connected=%d\n",is_connected);
}
break;
/*create service callback*/
case ESP_GATTS_CREATE_EVT:
{
LOG_ERROR("create service:server_if=%d,service_id=0x%x,service_uuid=0x%x\n",
p_data->create.server_if, p_data->create.service_id,
p_data->create.uuid.uu.uuid16);
UINT16 service_uuid = p_data->create.uuid.uu.uuid16;
UINT16 service_id = p_data->create.service_id;
if (service_uuid == 0x180f)
{
tBT_UUID uuid = {LEN_UUID_16, {GATT_UUID_BATTERY_LEVEL}};
bas_AddChar(service_id, &uuid);
}
if (service_uuid == 0x180a)
{
dis_cb.service_handle = service_id;
dis_cb.max_handle = service_id + DIS_MAX_ATTR_NUM;
dis_AddChar(service_id);
}
}
break;
case ESP_GATTS_ADD_CHAR_EVT:
{
LOG_ERROR("create characteristic:server_if=%d,service_id=0x%x,char_uuid=0x%x\n",
p_data->add_result.server_if, p_data->add_result.service_id,
p_data->add_result.char_uuid.uu.uuid16);
UINT16 char_uuid = p_data->add_result.char_uuid.uu.uuid16;
UINT16 service_id = p_data->add_result.service_id;
if(char_uuid == GATT_UUID_BATTERY_LEVEL)
bas_AddCharDescr(service_id, p_data->add_result.attr_id);
if(char_uuid == GATT_UUID_SYSTEM_ID | GATT_UUID_MODEL_NUMBER_STR | GATT_UUID_PNP_ID |
GATT_UUID_SERIAL_NUMBER_STR | GATT_UUID_FW_VERSION_STR | GATT_UUID_HW_VERSION_STR |
GATT_UUID_SW_VERSION_STR | GATT_UUID_MANU_NAME | GATT_UUID_IEEE_DATA)
{
switch (char_uuid)
{
case GATT_UUID_SYSTEM_ID:
dis_cb.dis_attr[0].handle = service_id; break;
case GATT_UUID_MODEL_NUMBER_STR:
dis_cb.dis_attr[1].handle = service_id; break;
case GATT_UUID_SERIAL_NUMBER_STR:
dis_cb.dis_attr[2].handle = service_id; break;
case GATT_UUID_FW_VERSION_STR:
dis_cb.dis_attr[3].handle = service_id; break;
case GATT_UUID_HW_VERSION_STR:
dis_cb.dis_attr[4].handle = service_id; break;
case GATT_UUID_SW_VERSION_STR:
dis_cb.dis_attr[5].handle = service_id; break;
case GATT_UUID_MANU_NAME:
dis_cb.dis_attr[6].handle = service_id; break;
case GATT_UUID_IEEE_DATA:
dis_cb.dis_attr[7].handle = service_id; break;
case GATT_UUID_PNP_ID:
dis_cb.dis_attr[8].handle = service_id; break;
}
}
}
break;
case ESP_GATTS_ADD_CHAR_DESCR_EVT:
{
LOG_ERROR("create descriptor:server_if=%d,service_id=0x%x,attr_id=0x%x,char_uuid=0x%x\n",
p_data->add_result.server_if, p_data->add_result.service_id,
p_data->add_result.attr_id, p_data->add_result.char_uuid.uu.uuid16);
bas_AddCharDescr(p_data->add_result.service_id, p_data->add_result.attr_id);
}
break;
case ESP_GATTS_START_EVT:
{
LOG_ERROR("start service:server_if=%d,service_id=0x%x\n", p_data->srvc_oper.server_if,
p_data->srvc_oper.service_id);
bas_service_cmpl(p_data->srvc_oper.service_id, p_data->srvc_oper.status);
/*start advertising*/
//if(p_data->srvc_oper.status == GATT_SUCCESS)
// BTA_GATTS_Listen(server_if, true, NULL);
// BTA_GATTC_Broadcast(client_if, true); //non-connectable
}
break;
case ESP_GATTS_READ_EVT:
{
UINT32 trans_id = p_data->req_data.trans_id;
UINT16 conn_id = p_data->req_data.conn_id;
UINT16 handle = p_data->req_data.p_data->read_req.handle;
bool is_long = p_data->req_data.p_data->read_req.is_long;
LOG_ERROR("read request:event=0x%x,handle=0x%x,trans_id=0x%x,conn_id=0x%x\n",
event, handle, trans_id, conn_id);
if (dis_valid_handle_range(handle))
{
tGATT_VALUE p_value;
p_value.handle = handle;
p_value.conn_id = conn_id;
p_value.offset = p_data->req_data.p_data->read_req.offset;
dis_s_read_attr_value(p_data->req_data.p_data, &p_value, trans_id, conn_id);
}
else
bas_s_read_attr_value(p_data->req_data.p_data, trans_id, conn_id);
}
break;
case ESP_GATTS_WRITE_EVT:
{
UINT32 trans_id = p_data->req_data.trans_id;
UINT16 conn_id = p_data->req_data.conn_id;
UINT16 handle = p_data->req_data.p_data->write_req.handle;
LOG_ERROR("write request:event=0x%x,handle=0x%x,trans_id=0x%x,conn_id=0x%x\n",
event, handle, trans_id, conn_id);
bas_s_write_attr_value(p_data->req_data.p_data, trans_id, conn_id,
p_data->req_data.remote_bda);
}
break;
case ESP_GATTS_EXEC_WRITE_EVT:
{
UINT32 trans_id = p_data->req_data.trans_id;
UINT16 conn_id = p_data->req_data.conn_id;
UINT8 exec_write = p_data->req_data.p_data->exec_write;
LOG_ERROR("execute write request:event=0x%x,exce_write=0x%x,trans_id=0x%x,conn_id=0x%x\n",
event, exec_write, trans_id, conn_id);
}
break;
case ESP_GATTS_MTU_EVT:
{
UINT32 trans_id = p_data->req_data.trans_id;
UINT16 conn_id = p_data->req_data.conn_id;
UINT16 mtu = p_data->req_data.p_data->mtu;
LOG_ERROR("exchange mtu request:event=0x%x,mtu=0x%x,trans_id=0x%x,conn_id=0x%x\n",
event, mtu, trans_id, conn_id);
}
break;
case ESP_GATTS_CFM_EVT:
{
UINT32 trans_id = p_data->req_data.trans_id;
UINT16 conn_id = p_data->req_data.conn_id;
LOG_ERROR("configue request:trans_id=0x%x,conn_id=0x%x\n",
trans_id, conn_id);
}
break;
default:
LOG_ERROR("unsettled event: %d\n", event);
break;
}
}
/******************************************************************************
** Function bas_callback
**
** Description battery service callback for client request
*******************************************************************************/
static void bas_callback(UINT32 trans_id, UINT16 conn_id, UINT8 app_id,
UINT8 event, tBA_WRITE_DATA *p_data)
{
tBA_RSP_DATA p_rsp;
tGATT_STATUS st = ESP_GATT_OK;
switch(event)
{
case BA_READ_LEVEL_REQ :
{
LOG_ERROR("read battery level\n");
p_rsp.ba_level = 60; //battery level
Battery_Rsp(trans_id, conn_id, app_id, st, event, &p_rsp);
}
break;
case BA_READ_PRE_FMT_REQ :
{
LOG_ERROR("read presentation format\n");
}
break;
case BA_READ_CLT_CFG_REQ :
{
LOG_ERROR("read client characteristic configuration request\n");
p_rsp.clt_cfg = 0x0001; //notification
Battery_Rsp(trans_id, conn_id, app_id, st, event, &p_rsp);
}
break;
case BA_READ_RPT_REF_REQ :
{
LOG_ERROR("read report reference descriptor\n");
}
break;
/*battery level notify*/
case BA_WRITE_CLT_CFG_REQ :
{
LOG_ERROR("write client characteristic configuration request\n");
Battery_Rsp(trans_id, conn_id, app_id, st, event, NULL);
int battery_level = 50;
Battery_Notify(conn_id, app_id, p_data->remote_bda, battery_level);
}
break;
default:
break;
}
return;
}
/*****************************************************************************
** Function bas_s_read_attr_value
**
** Description it will be called when client sends a read request
******************************************************************************/
void bas_s_read_attr_value(tGATTS_DATA *p_data, UINT32 trans_id, UINT16 conn_id)
{
tBA_INST *p_inst = &battery_cb.battery_inst[0];
UINT8 i;
esp_gatt_status_t st = ESP_GATT_NOT_FOUND;
UINT16 handle = p_data->read_req.handle;
for (i = 0; i < BA_MAX_INT_NUM; i ++, p_inst ++)
{
// read battery level
if (handle == p_inst->ba_level_hdl ||
handle == p_inst->clt_cfg_hdl ||
handle == p_inst->rpt_ref_hdl ||
handle == p_inst->pres_fmt_hdl)
{
if (p_data->read_req.is_long)
st = ESP_GATT_NOT_LONG;
if (p_inst->p_cback)
{
if (handle == p_inst->ba_level_hdl) p_inst->pending_evt = BA_READ_LEVEL_REQ;
if (handle == p_inst->clt_cfg_hdl) p_inst->pending_evt = BA_READ_CLT_CFG_REQ;
if (handle == p_inst->pres_fmt_hdl) p_inst->pending_evt = BA_READ_PRE_FMT_REQ;
if (handle == p_inst->rpt_ref_hdl) p_inst->pending_evt = BA_READ_RPT_REF_REQ ;
// p_inst->pending_clcb_idx = clcb_idx;
p_inst->pending_handle = handle;
//act = SRVC_ACT_PENDING;
(*p_inst->p_cback)(trans_id, conn_id, p_inst->app_id, p_inst->pending_evt, NULL);
}
else /* application is not registered */
st = ESP_GATT_ERR_UNLIKELY;
break;
}
/* else attribute not found */
}
}
/*****************************************************************************
** Function bas_s_write_attr_value
**
** Description it will be called when client sends a write request
******************************************************************************/
void bas_s_write_attr_value(tGATTS_DATA *p_data, UINT32 trans_id, UINT16 conn_id, BD_ADDR bd_addr)
{
tBA_WRITE_DATA cfg;
UINT8 *p = p_data->write_req.value;
tBA_INST *p_inst = &battery_cb.battery_inst[0];
UINT8 i;
esp_gatt_status_t st = ESP_GATT_NOT_FOUND;
UINT16 handle = p_data->write_req.handle;
for (i = 0; i < BA_MAX_INT_NUM; i ++, p_inst ++)
{
if (handle == p_inst->clt_cfg_hdl)
{
memcpy(cfg.remote_bda, bd_addr, BD_ADDR_LEN);
STREAM_TO_UINT16(cfg.clt_cfg, p);
if (p_inst->p_cback)
{
p_inst->pending_evt = BA_WRITE_CLT_CFG_REQ;
p_inst->pending_handle = handle;
cfg.need_rsp = p_data->write_req.need_rsp;
(*p_inst->p_cback)(trans_id, conn_id, p_inst->app_id, p_inst->pending_evt, &cfg);
}
else /* all other handle is not writable */
st = ESP_GATT_WRITE_NOT_PERMIT;
break;
}
}
}
/***************************************************************
**
** Function bas_register
**
** Description register app for battery service
**
****************************************************************/
void bas_register(void)
{
esp_ble_gatts_app_register(&bas_uuid, bas_gatts_callback);
}
/***************************************************************
**
** Function bas_init
**
** Description register battery service
**
****************************************************************/
void bas_init(tBTA_GATTS_IF gatt_if, UINT16 app_id)
{
tBA_INST *p_inst;
ba_reg_info.is_pri = true;
ba_reg_info.ba_level_descr = BA_LEVEL_NOTIFY;
ba_reg_info.transport = GATT_TRANSPORT_LE;
ba_reg_info.p_cback = bas_callback;
if (battery_cb.inst_id == BA_MAX_INT_NUM)
{
GATT_TRACE_ERROR("MAX battery service has been reached\n");
return;
}
p_inst = &battery_cb.battery_inst[battery_cb.inst_id];
LOG_ERROR("create battery service\n");
LOG_ERROR("inst_id=%d\n", battery_cb.inst_id);
esp_ble_gatts_create_srvc (gatt_if, &bas_uuid, battery_cb.inst_id ,
BA_MAX_ATTR_NUM, ba_reg_info.is_pri);
battery_cb.inst_id ++;
p_inst->app_id = app_id;
p_inst->p_cback = ba_reg_info.p_cback;
}
/***************************************************************
**
** Function bas_AddChar
**
** Description add characteristic for battery service
**
****************************************************************/
void bas_AddChar(UINT16 service_id, tBT_UUID *char_uuid)
{
if (ba_reg_info.ba_level_descr & BA_LEVEL_NOTIFY)
prop |= GATT_CHAR_PROP_BIT_NOTIFY;
attr_handle_bit = 0x01;
esp_ble_gatts_add_char(service_id, char_uuid, BATTER_LEVEL_PERM, prop);
}
/***************************************************************
**
** Function bas_AddCharDescr
**
** Description add descriptor for battery service if needed
**
****************************************************************/
void bas_AddCharDescr(UINT16 service_id, UINT16 attr_id)
{
tBT_UUID uuid;
uuid.len = LEN_UUID_16;
battery_cb.inst_id --;
tBA_INST *p_inst = &battery_cb.battery_inst[battery_cb.inst_id++];
/*store the attribute handles*/
if(attr_handle_bit == 0x01)
p_inst->ba_level_hdl = attr_id;
else if(attr_handle_bit == 0x02)
p_inst->clt_cfg_hdl = attr_id;
else if(attr_handle_bit == 0x04)
p_inst->pres_fmt_hdl = attr_id;
else if(attr_handle_bit == 0x08)
p_inst->rpt_ref_hdl = attr_id;
if (ba_reg_info.ba_level_descr != 0)
{
if (ba_reg_info.ba_level_descr & BA_LEVEL_NOTIFY)
{
uuid.uu.uuid16 = GATT_UUID_CHAR_CLIENT_CONFIG;
ba_reg_info.ba_level_descr &= 0xfe;
attr_handle_bit = 0x02;
esp_ble_gatts_add_char_descr(service_id, (GATT_PERM_READ|GATT_PERM_WRITE), &uuid);
return;
}
/* need presentation format descriptor? */
if (ba_reg_info.ba_level_descr & BA_LEVEL_PRE_FMT)
{
uuid.uu.uuid16 = GATT_UUID_CHAR_PRESENT_FORMAT;
esp_ble_gatts_add_char_descr(service_id, GATT_PERM_READ, &uuid);
ba_reg_info.ba_level_descr &= 0xfd;
attr_handle_bit = 0x04;
return;
}
/* need report reference format descriptor? */
if (ba_reg_info.ba_level_descr & BA_LEVEL_RPT_REF)
{
uuid.uu.uuid16 = GATT_UUID_RPT_REF_DESCR;
ba_reg_info.ba_level_descr &= 0xfb;
esp_ble_gatts_add_char_descr(service_id, GATT_PERM_READ, &uuid);
attr_handle_bit = 0x08;
return;
}
}
else
esp_ble_gatts_start_srvc(service_id);
}
/***************************************************************
**
** Function bas_service_cmpl
**
** Description create battery service complete
**
****************************************************************/
void bas_service_cmpl(UINT16 service_id, esp_gatt_status_t status)
{
if(status != ESP_GATT_OK)
{
battery_cb.inst_id --;
esp_ble_gatts_dele_srvc(service_id);
}
}
/*******************************************************************************
**
** Function Battery_Rsp
**
** Description Respond to a battery service request
**
*******************************************************************************/
void Battery_Rsp (UINT32 trans_id, UINT16 conn_id, UINT8 app_id,
esp_gatt_status_t st, UINT8 event, tBA_RSP_DATA *p_rsp)
{
tBA_INST *p_inst = &battery_cb.battery_inst[0];
tGATTS_RSP rsp;
UINT8 *pp;
UINT8 i = 0;
while (i < BA_MAX_INT_NUM)
{
if (p_inst->app_id == app_id && p_inst->ba_level_hdl != 0)
break;
i ++;
}
if (i == BA_MAX_INT_NUM)
return;
memset(&rsp, 0, sizeof(tGATTS_RSP));
if (p_inst->pending_evt == event)
{
switch (event)
{
case BA_READ_CLT_CFG_REQ:
rsp.attr_value.handle = p_inst->pending_handle;
rsp.attr_value.len = 2;
pp = rsp.attr_value.value;
UINT16_TO_STREAM(pp, p_rsp->clt_cfg);
esp_ble_gatts_send_rsp(conn_id, trans_id, st, &rsp);
//srvc_sr_rsp(p_inst->pending_clcb_idx, st, &rsp);
break;
case BA_READ_LEVEL_REQ:
rsp.attr_value.handle = p_inst->pending_handle;
rsp.attr_value.len = 1;
pp = rsp.attr_value.value;
UINT8_TO_STREAM(pp, p_rsp->ba_level);
esp_ble_gatts_send_rsp(conn_id, trans_id, st, &rsp);
//srvc_sr_rsp(p_inst->pending_clcb_idx, st, &rsp);
break;
case BA_WRITE_CLT_CFG_REQ:
esp_ble_gatts_send_rsp(conn_id, trans_id, st, NULL);
//srvc_sr_rsp(p_inst->pending_clcb_idx, st, NULL);
break;
case BA_READ_RPT_REF_REQ:
rsp.attr_value.handle = p_inst->pending_handle;
rsp.attr_value.len = 2;
pp = rsp.attr_value.value;
UINT8_TO_STREAM(pp, p_rsp->rpt_ref.rpt_id);
UINT8_TO_STREAM(pp, p_rsp->rpt_ref.rpt_type);
esp_ble_gatts_send_rsp(conn_id, trans_id, st, &rsp);
//srvc_sr_rsp(p_inst->pending_clcb_idx, st, &rsp);
break;
default:
break;
}
// p_inst->pending_clcb_idx = 0;
p_inst->pending_evt = 0;
p_inst->pending_handle = 0;
}
return;
}
/*******************************************************************************
**
** Function Battery_Notify
**
** Description Send battery level notification
**
*******************************************************************************/
void Battery_Notify (UINT16 conn_id, UINT8 app_id, BD_ADDR remote_bda, UINT8 battery_level)
{
tBA_INST *p_inst = &battery_cb.battery_inst[0];
UINT8 i = 0;
while (i < BA_MAX_INT_NUM)
{
if (p_inst->app_id == app_id && p_inst->ba_level_hdl != 0)
break;
i ++;
}
if (i == BA_MAX_INT_NUM || p_inst->clt_cfg_hdl == 0)
return;
esp_ble_gatts_hdl_val_indica(conn_id, p_inst->ba_level_hdl, 1, &battery_level, false);
//srvc_sr_notify(remote_bda, p_inst->ba_level_hdl, 1, &battery_level);
}
#endif
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