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OVMS3-idf/components/bt/bluedroid/profiles/sample_button/button_pro.c
Tian Hao b80325604d component/bt: add bluedroid 1st version 
1. add bluedroid 1st version
2. alarm adapter
3. task semaphore lock
4. other bugs resolved
2016-09-26 21:37:39 +08:00

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/**
****************************************************************************************
*
* @file button_pro.c
*
* @brief Application entry point
*
* Copyright (C) Espressif 2016
* Created by Yulong at 2016/8/18
*
*
****************************************************************************************
*/
#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 "button_pro.h"
#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
tBUTTON_CB_ENV button_cb_env;
/*****************************************************************************
** Constants
*****************************************************************************/
static void button_profile_cb(tBTA_GATTS_EVT event, tBTA_GATTS *p_data);
/*******************************************************************************
**
** Function button_profile_cb
**
** Description the callback function after the profile has been register to the BTA manager module
**
** Returns NULL
**
*******************************************************************************/
static void button_profile_cb(tBTA_GATTS_EVT event, tBTA_GATTS *p_data)
{
tBTA_GATTS_RSP rsp;
tBT_UUID uuid = {LEN_UUID_16, {ATT_SVC_BUTTON}};
//LOG_ERROR("p_data->status = %x\n",p_data->status);
//if(p_data->status != BTA_GATT_OK){
// LOG_ERROR("button profile register failed\n");
// return;
//}
LOG_ERROR("button profile cb event = %x\n",event);
switch(event)
{
case BTA_GATTS_REG_EVT:
LOG_ERROR("p_data->reg_oper.status = %x\n",p_data->reg_oper.status);
LOG_ERROR("(p_data->reg_oper.uuid.uu.uuid16=%x\n",p_data->reg_oper.uuid.uu.uuid16);
if(p_data->reg_oper.status != BTA_GATT_OK)
{
LOG_ERROR("button profile register failed\n");
}
button_cb_env.gatt_if = p_data->reg_oper.server_if;
button_cb_env.enabled = true;
//button_cb_env.button_inst.app_id = p_data->reg_oper.uuid;
//create the button service to the service data base.
if(p_data->reg_oper.uuid.uu.uuid16 == ATT_SVC_BUTTON)
{
Button_CreateService();
}
break;
case BTA_GATTS_READ_EVT:
//tBTA_GATTS_RSP rsp;
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;
BTA_GATTS_SendRsp(p_data->req_data.conn_id,p_data->req_data.trans_id,
p_data->req_data.status,&rsp);
break;
case BTA_GATTS_WRITE_EVT:
BTA_GATTS_SendRsp(p_data->req_data.conn_id,p_data->req_data.trans_id,
p_data->req_data.status,NULL);
break;
case BTA_GATTS_CONF_EVT:
break;
case BTA_GATTS_CREATE_EVT:
//tBT_UUID uuid_butt_write;
uuid.uu.uuid16 = ATT_CHAR_BUTTON_WIT;
//tBTA_GATT_PERM perm = (GATT_PERM_WRITE|GATT_PERM_READ);
//tBTA_GATT_CHAR_PROP prop = (GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_WRITE);
//uuid = {LEN_UUID_16, {ATT_SVC_BUTTON}};
button_cb_env.clcb.cur_srvc_id= p_data->create.service_id;
button_cb_env.is_primery = p_data->create.is_primary;
//uuid = {LEN_UUID_16, {ATT_CHAR_BUTTON_WIT}};
//start the button service after created
BTA_GATTS_StartService(p_data->create.service_id,BTA_GATT_TRANSPORT_LE);
//add the frist button characteristic --> write characteristic
BTA_GATTS_AddCharacteristic(button_cb_env.clcb.cur_srvc_id,&uuid,
(GATT_PERM_WRITE|GATT_PERM_READ),
(GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_WRITE));
break;
case BTA_GATTS_ADD_CHAR_EVT:
if(p_data->add_result.char_uuid.uu.uuid16 == ATT_CHAR_BUTTON_WIT)
{
uuid.uu.uuid16 = ATT_CHAR_BUTTON_NTF;
//tBTA_GATT_PERM perm = GATT_PERM_READ;
tBTA_GATT_CHAR_PROP prop = (GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_NOTIFY);
//save the att handle to the env
button_cb_env.button_inst.but_wirt_hdl = p_data->add_result.attr_id;
//add the frist button characteristic --> Notify characteristic
BTA_GATTS_AddCharacteristic(button_cb_env.clcb.cur_srvc_id,&uuid,
GATT_PERM_READ,(GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_NOTIFY));
}else if(p_data->add_result.char_uuid.uu.uuid16 == ATT_CHAR_BUTTON_NTF){ // add the gattc config descriptor to the notify charateristic
//tBTA_GATT_PERM perm = (GATT_PERM_WRITE|GATT_PERM_WRITE);
uuid.uu.uuid16 = GATT_UUID_CHAR_CLIENT_CONFIG;
button_cb_env.button_inst.but_ntf_hdl = p_data->add_result.attr_id;
BTA_GATTS_AddCharDescriptor (button_cb_env.clcb.cur_srvc_id,
(GATT_PERM_WRITE|GATT_PERM_WRITE),
&uuid);
}
break;
case BTA_GATTS_ADD_CHAR_DESCR_EVT:
if(p_data->add_result.char_uuid.uu.uuid16 == GATT_UUID_CHAR_CLIENT_CONFIG)
{
button_cb_env.button_inst.but_cfg_hdl = p_data->add_result.attr_id;
}
break;
case BTA_GATTS_CONNECT_EVT:
//set the connection flag to true
button_env_clcb_alloc(p_data->conn.conn_id, p_data->conn.remote_bda);
break;
case BTA_GATTS_DISCONNECT_EVT:
//set the connection flag to true
button_cb_env.clcb.connected = false;
break;
case BTA_GATTS_OPEN_EVT:
break;
case BTA_GATTS_CLOSE_EVT:
if(button_cb_env.clcb.connected && (button_cb_env.clcb.conn_id == p_data->conn.conn_id))
{
//set the connection channal congested flag to true
button_cb_env.clcb.congest = p_data->congest.congested;
}
break;
case BTA_GATTS_LISTEN_EVT:
break;
case BTA_GATTS_CONGEST_EVT:
break;
default:
break;
}
}
/*******************************************************************************
**
** Function Button_CreateService
**
** Description Create a Service for the button profile
**
** Returns NULL
**
*******************************************************************************/
void Button_CreateService(void)
{
tBTA_GATTS_IF server_if ;
tBT_UUID uuid = {LEN_UUID_16, {ATT_SVC_BUTTON}};
UINT16 num_handle = KEY_IDX_NB;
UINT8 inst = 0x00;
server_if = button_cb_env.gatt_if;
button_cb_env.inst_id = inst;
//if(!button_cb_env.enabled)
//{
// LOG_ERROR("button service added error.");
//}
BTA_GATTS_CreateService(server_if,&uuid,inst,num_handle,true);
}
/*******************************************************************************
**
** Function button_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.
**
*******************************************************************************/
tBUT_CLCB *button_env_clcb_alloc (UINT16 conn_id, BD_ADDR remote_bda)
{
tBUT_CLCB *p_clcb = NULL;
p_clcb = &button_cb_env.clcb;
if(!p_clcb->in_use)
{
p_clcb->in_use = TRUE;
p_clcb->conn_id = conn_id;
LOG_ERROR("p_clcb->conn_id = %x\n",conn_id);
p_clcb->connected = TRUE;
memcpy(p_clcb->remote_bda,remote_bda,BD_ADDR_LEN);
}
return p_clcb;
}
/*******************************************************************************
**
** Function button_env_find_conn_id_by_bd_adddr
**
** Description The function searches all LCB with macthing bd address
**
** Returns total number of clcb found.
**
*******************************************************************************/
UINT16 button_env_find_conn_id_by_bd_adddr(BD_ADDR remote_bda)
{
UINT8 i_clcb;
tBUT_CLCB *p_clcb = NULL;
for(i_clcb = 0, p_clcb = &button_cb_env.clcb; i_clcb < BUTT_MAX_APPS; i_clcb++, p_clcb++)
{
if(p_clcb->in_use && p_clcb->connected &&memcmp(p_clcb->remote_bda,remote_bda,BD_ADDR_LEN))
{
return p_clcb->conn_id;
}
}
return GATT_INVALID_CONN_ID;
}
/*******************************************************************************
**
** Function button_env_clcb_dealloc
**
** Description The function deallocates a GATT profile connection link control block
**
** Returns True the deallocation is successful
**
*******************************************************************************/
/*
BOOLEAN button_env_clcb_dealloc(UINT16 conn_id)
{
UINT8 i_clcb = 0;
tBUT_CLCB *p_clcb = NULL;
for(i_clcb = 0, p_clcb = &button_cb_env.clcb; i_clcb < BUTT_MAX_APPS; i_clcb++, p_clcb++)
{
if(p_clcb->in_use && p_clcb->connected && (p_clcb->conn_id == conn_id))
{
unsigned j;
for(j = 0; j < ARRAY_SIZE(p_clcb->button_value.data_string);j++)
{
if(p_clcb->button_value.data_string[j])
{
GKI_freebuf(p_clcb->button_value.data_string[j]);
}
}
memset(p_clcb, 0, sizeof(tBUT_CLCB));
return TRUE;
}
}
return FALSE;
}*/
/*******************************************************************************
**
** Function button_init
**
** Description Initializa the GATT Service for button profiles.
**
*******************************************************************************/
tGATT_STATUS button_init (void)
{
tBT_UUID app_uuid = {LEN_UUID_16,{ATT_SVC_BUTTON}};
if(button_cb_env.enabled)
{
LOG_ERROR("button svc already initaliezd");
return GATT_ERROR;
}
else
{
memset(&button_cb_env,0,sizeof(tBUTTON_CB_ENV));
}
/*
register the button profile to the BTA_GATTS module*/
BTA_GATTS_AppRegister(&app_uuid,button_profile_cb);
button_cb_env.enabled = TRUE;
return GATT_SUCCESS;
}
void button_msg_notify(UINT8 len, UINT8 *button_msg)
{
BOOLEAN conn_status = button_cb_env.clcb.connected;
UINT16 conn_id = button_cb_env.clcb.conn_id;
UINT16 attr_id = button_cb_env.button_inst.but_ntf_hdl;
//notify rsp==false; indicate rsp==true.
BOOLEAN rsp = false;
if(!conn_status && button_cb_env.clcb.congest)
{
LOG_ERROR("the conneciton for button profile has been loss");
return;
}
BTA_GATTS_HandleValueIndication (conn_id, attr_id, len,
button_msg, rsp);
}
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