385 lines
12 KiB
C
385 lines
12 KiB
C
/**
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****************************************************************************************
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*
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* @file button_pro.c
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*
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* @brief Application entry point
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*
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* Copyright (C) Espressif 2016
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* Created by Yulong at 2016/8/18
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*
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*
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****************************************************************************************
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*/
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#include <stdint.h>
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#include <string.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include "bt_target.h"
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#include "bt_trace.h"
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#include "bt_types.h"
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#include "gatt_api.h"
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#include "bta_api.h"
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#include "bta_gatt_api.h"
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#include "bta_gatts_int.h"
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#include "bt_app_api.h"
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#include "button_pro.h"
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#include "prf_defs.h"
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#if (BUT_PROFILE_CFG)
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#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
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button_env_cb_t button_cb_env;
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tBLE_BD_ADDR p_peer_bda = {
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.type = API_PUBLIC_ADDR,
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.bda = {0}
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};
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esp_ble_adv_params_all_t adv_params =
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{
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.adv_int_min = BTM_BLE_ADV_INT_MIN + 0x100,
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.adv_int_max = BTM_BLE_ADV_INT_MIN + 0x100,
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.adv_type = API_NON_DISCOVERABLE,
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.addr_type_own = API_PUBLIC_ADDR,
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.channel_map = ESP_BLE_ADV_CHNL_MAP,
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.adv_filter_policy = ADV_ALLOW_SCAN_ANY_CON_ANY,
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.p_dir_bda = &p_peer_bda
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};
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/*****************************************************************************
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** Constants
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*****************************************************************************/
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static void button_profile_cb(esp_gatts_evt_t event, esp_gatts_t *p_data);
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/*******************************************************************************
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**
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** Function button_profile_cb
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**
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** Description the callback function after the profile has been register to the BTA manager module
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**
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** Returns NULL
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**
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*******************************************************************************/
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static void button_profile_cb(esp_gatts_evt_t event, esp_gatts_t *p_data)
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{
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esp_gatts_rsp_t rsp;
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esp_bt_uuid_t uuid = {LEN_UUID_16, {ATT_SVC_BUTTON}};
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but_inst_t *p_inst = &button_cb_env.button_inst;
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uint8_t net_event = 0xff;
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uint8_t len = 0;
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uint8_t *p_rec_data = NULL;
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//LOG_ERROR("p_data->status = %x\n",p_data->status);
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//if(p_data->status != BTA_GATT_OK){
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// LOG_ERROR("button profile register failed\n");
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// return;
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//}
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LOG_ERROR("button profile cb event = %x\n",event);
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switch(event)
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{
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case ESP_GATTS_REG_EVT:
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LOG_ERROR("p_data->reg_oper.status = %x\n",p_data->reg_oper.status);
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LOG_ERROR("(p_data->reg_oper.uuid.uu.uuid16=%x\n",p_data->reg_oper.uuid.uu.uuid16);
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if(p_data->reg_oper.status != BTA_GATT_OK)
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{
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LOG_ERROR("button profile register failed\n");
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}
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button_cb_env.gatt_if = p_data->reg_oper.server_if;
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button_cb_env.enabled = true;
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//button_cb_env.button_inst.app_id = p_data->reg_oper.uuid;
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//create the button service to the service data base.
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if(p_data->reg_oper.uuid.uu.uuid16 == ATT_SVC_BUTTON)
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{
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Button_CreateService();
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}
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break;
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case ESP_GATTS_READ_EVT:
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//tBTA_GATTS_RSP rsp;
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memset(&rsp,0,sizeof(tBTA_GATTS_API_RSP));
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rsp.attr_value.handle = p_data->req_data.p_data->read_req.handle;
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rsp.attr_value.len = 2;
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esp_ble_gatts_send_rsp(p_data->req_data.conn_id,p_data->req_data.trans_id,
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p_data->req_data.status,&rsp);
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break;
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case ESP_GATTS_WRITE_EVT:
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esp_ble_gatts_send_rsp(p_data->req_data.conn_id,p_data->req_data.trans_id,
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p_data->req_data.status,NULL);
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LOG_ERROR("Received button data:");
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for(int i = 0; i < p_data->req_data.p_data->write_req.len; i++){
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LOG_ERROR("%x",p_data->req_data.p_data->write_req.value[i]);
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}
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LOG_ERROR("\n");
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if(p_data->req_data.p_data->write_req.handle == button_cb_env.button_inst.but_wirt_hdl){
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if(p_data->req_data.p_data->write_req.value[0] == 0xFF){
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net_event = RECEIVE_NET_PASSWD_EVT;
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len = p_data->req_data.p_data->write_req.len - 1;
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p_rec_data = &p_data->req_data.p_data->write_req.value[1];
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LOG_ERROR("RECEIVE_NET_PASSWD_EVT\n");
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}else if(p_data->req_data.p_data->write_req.value[0] == 0xEE){
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net_event = RECEIVE_NET_SSD_EVT;
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len = p_data->req_data.p_data->write_req.len - 1;
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p_rec_data = &p_data->req_data.p_data->write_req.value[1];
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LOG_ERROR("RECEIVE_NET_SSD_EVT\n");
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}else{
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net_event = 0xff;
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len = p_data->req_data.p_data->write_req.len;
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p_rec_data = p_data->req_data.p_data->write_req.value;
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}
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// button_msg_notify(len,p_rec_data);
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(*p_inst->p_cback)(button_cb_env.button_inst.app_id,net_event,len,p_rec_data);
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}
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break;
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case ESP_GATTS_CFM_EVT:
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break;
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case ESP_GATTS_CREATE_EVT:
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//tBT_UUID uuid_butt_write;
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uuid.uu.uuid16 = ATT_CHAR_BUTTON_WIT;
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//tBTA_GATT_PERM perm = (GATT_PERM_WRITE|GATT_PERM_READ);
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//tBTA_GATT_CHAR_PROP prop = (GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_WRITE);
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//uuid = {LEN_UUID_16, {ATT_SVC_BUTTON}};
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button_cb_env.clcb.cur_srvc_id= p_data->create.service_id;
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button_cb_env.is_primery = p_data->create.is_primary;
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//uuid = {LEN_UUID_16, {ATT_CHAR_BUTTON_WIT}};
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//start the button service after created
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esp_ble_gatts_start_srvc(p_data->create.service_id);
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//add the frist button characteristic --> write characteristic
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esp_ble_gatts_add_char(button_cb_env.clcb.cur_srvc_id,&uuid,
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(GATT_PERM_WRITE|GATT_PERM_READ),
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(GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_WRITE));
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break;
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case ESP_GATTS_ADD_CHAR_EVT:
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if(p_data->add_result.char_uuid.uu.uuid16 == ATT_CHAR_BUTTON_WIT)
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{
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uuid.uu.uuid16 = ATT_CHAR_BUTTON_NTF;
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//tBTA_GATT_PERM perm = GATT_PERM_READ;
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tBTA_GATT_CHAR_PROP prop = (GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_NOTIFY);
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//save the att handle to the env
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button_cb_env.button_inst.but_wirt_hdl = p_data->add_result.attr_id;
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//add the frist button characteristic --> Notify characteristic
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esp_ble_gatts_add_char(button_cb_env.clcb.cur_srvc_id,&uuid,
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GATT_PERM_READ,(GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_NOTIFY));
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}else if(p_data->add_result.char_uuid.uu.uuid16 == ATT_CHAR_BUTTON_NTF){ // add the gattc config descriptor to the notify charateristic
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//tBTA_GATT_PERM perm = (GATT_PERM_WRITE|GATT_PERM_WRITE);
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uuid.uu.uuid16 = GATT_UUID_CHAR_CLIENT_CONFIG;
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button_cb_env.button_inst.but_ntf_hdl = p_data->add_result.attr_id;
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esp_ble_gatts_add_char_descr (button_cb_env.clcb.cur_srvc_id,
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(GATT_PERM_WRITE|GATT_PERM_WRITE),
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&uuid);
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}
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break;
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case ESP_GATTS_ADD_CHAR_DESCR_EVT:
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if(p_data->add_result.char_uuid.uu.uuid16 == GATT_UUID_CHAR_CLIENT_CONFIG)
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{
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button_cb_env.button_inst.but_cfg_hdl = p_data->add_result.attr_id;
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}
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///Start advertising
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LOG_ERROR("\nStart sent the ADV.\n");
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esp_ble_start_advertising (&adv_params);
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break;
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case ESP_GATTS_CONNECT_EVT:
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//set the connection flag to true
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button_env_clcb_alloc(p_data->conn.conn_id, p_data->conn.remote_bda);
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break;
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case ESP_GATTS_DISCONNECT_EVT:
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//set the connection flag to true
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button_cb_env.clcb.connected = false;
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break;
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case ESP_GATTS_OPEN_EVT:
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///stop the advertising after connected
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esp_ble_stop_advertising();
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break;
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case ESP_GATTS_CLOSE_EVT:
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if(button_cb_env.clcb.connected && (button_cb_env.clcb.conn_id == p_data->conn.conn_id))
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{
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//set the connection channal congested flag to true
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button_cb_env.clcb.congest = p_data->congest.congested;
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}
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break;
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case ESP_GATTS_CONGEST_EVT:
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break;
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default:
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break;
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}
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}
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/*******************************************************************************
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**
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** Function Button_CreateService
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**
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** Description Create a Service for the button profile
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**
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** Returns NULL
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**
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*******************************************************************************/
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void Button_CreateService(void)
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{
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esp_gatts_if_t server_if ;
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esp_bt_uuid_t uuid = {LEN_UUID_16, {ATT_SVC_BUTTON}};
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uint16_t num_handle = KEY_IDX_NB;
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uint8_t inst = 0x00;
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server_if = button_cb_env.gatt_if;
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button_cb_env.inst_id = inst;
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//if(!button_cb_env.enabled)
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//{
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// LOG_ERROR("button service added error.");
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//}
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esp_ble_gatts_create_srvc(server_if,&uuid,inst,num_handle,true);
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}
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/*******************************************************************************
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**
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** Function button_env_clcb_alloc
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**
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** Description The function allocates a GATT profile connection link control block
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**
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** Returns NULL if not found. Otherwise pointer to the connection link block.
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**
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*******************************************************************************/
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but_clcb_t *button_env_clcb_alloc (uint16_t conn_id, BD_ADDR remote_bda)
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{
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but_clcb_t *p_clcb = NULL;
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p_clcb = &button_cb_env.clcb;
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if(!p_clcb->in_use)
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{
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p_clcb->in_use = TRUE;
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p_clcb->conn_id = conn_id;
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LOG_ERROR("p_clcb->conn_id = %x\n",conn_id);
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p_clcb->connected = TRUE;
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memcpy(p_clcb->remote_bda,remote_bda,BD_ADDR_LEN);
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}
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return p_clcb;
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}
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/*******************************************************************************
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**
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** Function button_env_find_conn_id_by_bd_adddr
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**
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** Description The function searches all LCB with macthing bd address
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**
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** Returns total number of clcb found.
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**
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*******************************************************************************/
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uint16_t button_env_find_conn_id_by_bd_adddr(BD_ADDR remote_bda)
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{
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uint8_t i_clcb;
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but_clcb_t *p_clcb = NULL;
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for(i_clcb = 0, p_clcb = &button_cb_env.clcb; i_clcb < BUTT_MAX_APPS; i_clcb++, p_clcb++)
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{
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if(p_clcb->in_use && p_clcb->connected &&memcmp(p_clcb->remote_bda,remote_bda,BD_ADDR_LEN))
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{
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return p_clcb->conn_id;
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}
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}
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return GATT_INVALID_CONN_ID;
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}
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/*******************************************************************************
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**
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** Function button_env_clcb_dealloc
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**
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** Description The function deallocates a GATT profile connection link control block
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**
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** Returns True the deallocation is successful
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**
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*******************************************************************************/
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BOOLEAN button_env_clcb_dealloc(uint16_t conn_id)
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{
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uint16_t i_clcb = 0;
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but_clcb_t *p_clcb = NULL;
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for(i_clcb = 0, p_clcb = &button_cb_env.clcb; i_clcb < 1; i_clcb++, p_clcb++)
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{
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if(p_clcb->in_use && p_clcb->connected && (p_clcb->conn_id == conn_id))
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{
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memset(p_clcb, 0, sizeof(but_clcb_t));
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return TRUE;
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}
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}
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return FALSE;
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}
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/*******************************************************************************
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**
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** Function button_init
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**
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** Description Initializa the GATT Service for button profiles.
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**
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*******************************************************************************/
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esp_gatt_status_t button_init (but_prf_cb_t call_back)
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{
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tBT_UUID app_uuid = {LEN_UUID_16,{ATT_SVC_BUTTON}};
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if(button_cb_env.enabled)
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{
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LOG_ERROR("button svc already initaliezd");
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return GATT_ERROR;
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}
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else
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{
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memset(&button_cb_env,0,sizeof(button_env_cb_t));
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}
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if(call_back != NULL)
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{
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button_cb_env.button_inst.p_cback = call_back;
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}
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/* register the button profile to the BTA_GATTS module*/
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esp_ble_gatts_app_register(&app_uuid,button_profile_cb);
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button_cb_env.enabled = TRUE;
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return ESP_GATT_OK;
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}
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void button_disable(uint16_t connid)
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{
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button_env_clcb_dealloc(connid);
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}
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void button_msg_notify(uint16_t len, uint8_t *button_msg)
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{
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BOOLEAN conn_status = button_cb_env.clcb.connected;
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uint16_t conn_id = button_cb_env.clcb.conn_id;
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uint16_t attr_id = button_cb_env.button_inst.but_ntf_hdl;
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//notify rsp==false; indicate rsp==true.
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BOOLEAN rsp = false;
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if(!conn_status && button_cb_env.clcb.congest)
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{
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LOG_ERROR("the conneciton for button profile has been loss\n");
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return;
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}
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esp_ble_gatts_hdl_val_indica (conn_id, attr_id, len,
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button_msg, rsp);
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}
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#endif ///BUT_PROFILE_CFG
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