ESP32 の BLEデバイス化にチャレンジ!(2) [Arduino]
ESP32をGATTデバイス化しようにも、すっかりBLEの仕様も忘れてしまっているし、ESP32のESP-IDFと言われるSDKもよく分からないし、しかも調べる時間ないし…
なにかよい資料がないかなとあら探しをしていたら、ESP32 による Heart Rate Profile のサンプルを見つけました!
esp-idf/examples/bluetooth/gatt_server_service_table/main/gatts_table_creat_demo.c
Heart Rate Profile なら mbed HRM1017 を使った開発経験があります。
mbed HRM1017 で Heart Rate Profile をサポートしてみる
http://makers-with-myson.blog.so-net.ne.jp/archive/c2306056631-1
これをヒントに、ESP32のBLEの使い方を習熟していきたいと思います。とりあえずダメもとで ESP-IDF のコードを Arduino のスケッチに移植してしみました。
何も考えずに移植したコードなので、うまく動かないだろうなぁと思いつつ試してみました。
とりあえずログは出ましたがそれらしい動きは一切なし。やっぱダメですね。ぼちぼち調べていくかぁ。
(´・ω・`)
なにかよい資料がないかなとあら探しをしていたら、ESP32 による Heart Rate Profile のサンプルを見つけました!
esp-idf/examples/bluetooth/gatt_server_service_table/main/gatts_table_creat_demo.c
Heart Rate Profile なら mbed HRM1017 を使った開発経験があります。
mbed HRM1017 で Heart Rate Profile をサポートしてみる
http://makers-with-myson.blog.so-net.ne.jp/archive/c2306056631-1
これをヒントに、ESP32のBLEの使い方を習熟していきたいと思います。とりあえずダメもとで ESP-IDF のコードを Arduino のスケッチに移植してしみました。
#pragma GCC diagnostic push #pragma GCC diagnostic warning "-fpermissive" #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "freertos/event_groups.h" #include "esp_system.h" #include "esp_log.h" #include "nvs_flash.h" #include "bt.h" #include "bta_api.h" #include "esp_gap_ble_api.h" #include "esp_gatts_api.h" #include "esp_bt_defs.h" #include "esp_bt_main.h" #include "esp_bt_main.h" #define HRPS_HT_MEAS_MAX_LEN (13) #define HRPS_MANDATORY_MASK (0x0F) #define HRPS_BODY_SENSOR_LOC_MASK (0x30) #define HRPS_HR_CTNL_PT_MASK (0xC0) ///Attributes State Machine enum { HRS_IDX_SVC, HRS_IDX_HR_MEAS_CHAR, HRS_IDX_HR_MEAS_VAL, HRS_IDX_HR_MEAS_NTF_CFG, HRS_IDX_BOBY_SENSOR_LOC_CHAR, HRS_IDX_BOBY_SENSOR_LOC_VAL, HRS_IDX_HR_CTNL_PT_CHAR, HRS_IDX_HR_CTNL_PT_VAL, HRS_IDX_NB, }; #define GATTS_TABLE_TAG "GATTS_TABLE_DEMO" #define HEART_PROFILE_NUM 1 #define HEART_PROFILE_APP_IDX 0 #define ESP_HEART_RATE_APP_ID 0x55 #define SAMPLE_DEVICE_NAME "ESP_HEART_RATE" #define SAMPLE_MANUFACTURER_DATA_LEN 17 #define HEART_RATE_SVC_INST_ID 0 #define GATTS_DEMO_CHAR_VAL_LEN_MAX 0x40 uint8_t char1_str[] ={0x11,0x22,0x33}; uint16_t heart_rate_handle_table[HRS_IDX_NB]; esp_attr_value_t gatts_demo_char1_val = { .attr_max_len = GATTS_DEMO_CHAR_VAL_LEN_MAX, .attr_len = sizeof(char1_str), .attr_value = char1_str, }; static uint8_t heart_rate_service_uuid[16] = { /* LSB <--------------------------------------------------------------------------------> MSB */ //first uuid, 16bit, [12],[13] is the value 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0x18, 0x0D, 0x00, 0x00, }; static esp_ble_adv_data_t heart_rate_adv_config = { .set_scan_rsp = false, .include_name = true, .include_txpower = true, .min_interval = 0x20, .max_interval = 0x40, .appearance = 0x00, .manufacturer_len = 0, //TEST_MANUFACTURER_DATA_LEN, .p_manufacturer_data = NULL, //&test_manufacturer[0], .service_data_len = 0, .p_service_data = NULL, .service_uuid_len = sizeof(heart_rate_service_uuid), .p_service_uuid = heart_rate_service_uuid, .flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT), }; static esp_ble_adv_params_t heart_rate_adv_params; struct gatts_profile_inst { esp_gatts_cb_t gatts_cb; uint16_t gatts_if; uint16_t app_id; uint16_t conn_id; uint16_t service_handle; esp_gatt_srvc_id_t service_id; uint16_t char_handle; esp_bt_uuid_t char_uuid; esp_gatt_perm_t perm; esp_gatt_char_prop_t property; uint16_t descr_handle; esp_bt_uuid_t descr_uuid; }; static void gatts_profile_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param); /* One gatt-based profile one app_id and one gatts_if, this array will store the gatts_if returned by ESP_GATTS_REG_EVT */ static struct gatts_profile_inst heart_rate_profile_tab[HEART_PROFILE_NUM] = { [HEART_PROFILE_APP_IDX] = { .gatts_cb = gatts_profile_event_handler, .gatts_if = ESP_GATT_IF_NONE, /* Not get the gatt_if, so initial is ESP_GATT_IF_NONE */ }, }; /* * HTPT PROFILE ATTRIBUTES **************************************************************************************** */ /* * Heart Rate PROFILE ATTRIBUTES **************************************************************************************** */ /// Heart Rate Sensor Service static const uint16_t heart_rate_svc = ESP_GATT_UUID_HEART_RATE_SVC; #define CHAR_DECLARATION_SIZE (sizeof(uint8_t)) static const uint16_t primary_service_uuid = ESP_GATT_UUID_PRI_SERVICE; static const uint16_t character_declaration_uuid = ESP_GATT_UUID_CHAR_DECLARE; static const uint16_t character_client_config_uuid = ESP_GATT_UUID_CHAR_CLIENT_CONFIG; static const uint8_t char_prop_notify = ESP_GATT_CHAR_PROP_BIT_NOTIFY; static const uint8_t char_prop_read = ESP_GATT_CHAR_PROP_BIT_READ; static const uint8_t char_prop_read_write = ESP_GATT_CHAR_PROP_BIT_WRITE|ESP_GATT_CHAR_PROP_BIT_READ; /// Heart Rate Sensor Service - Heart Rate Measurement Characteristic, notify static const uint16_t heart_rate_meas_uuid = ESP_GATT_HEART_RATE_MEAS; static const uint8_t heart_measurement_ccc[2] ={ 0x00, 0x00}; /// Heart Rate Sensor Service -Body Sensor Location characteristic, read static const uint16_t body_sensor_location_uuid = ESP_GATT_BODY_SENSOR_LOCATION; static const uint8_t body_sensor_loc_val[1] = {0x00}; /// Heart Rate Sensor Service - Heart Rate Control Point characteristic, write&read static const uint16_t heart_rate_ctrl_point = ESP_GATT_HEART_RATE_CNTL_POINT; static const uint8_t heart_ctrl_point[1] = {0x00}; /// Full HRS Database Description - Used to add attributes into the database static const esp_gatts_attr_db_t heart_rate_gatt_db[HRS_IDX_NB] = { // Heart Rate Service Declaration [HRS_IDX_SVC] = {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&primary_service_uuid, ESP_GATT_PERM_READ, sizeof(uint16_t), sizeof(heart_rate_svc), (uint8_t *)&heart_rate_svc}}, // Heart Rate Measurement Characteristic Declaration [HRS_IDX_HR_MEAS_CHAR] = {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ, CHAR_DECLARATION_SIZE,CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_notify}}, // Heart Rate Measurement Characteristic Value [HRS_IDX_HR_MEAS_VAL] = {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&heart_rate_meas_uuid, ESP_GATT_PERM_READ, HRPS_HT_MEAS_MAX_LEN,0, NULL}}, // Heart Rate Measurement Characteristic - Client Characteristic Configuration Descriptor [HRS_IDX_HR_MEAS_NTF_CFG] = {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_client_config_uuid, ESP_GATT_PERM_READ|ESP_GATT_PERM_WRITE, sizeof(uint16_t),sizeof(heart_measurement_ccc), (uint8_t *)heart_measurement_ccc}}, // Body Sensor Location Characteristic Declaration [HRS_IDX_BOBY_SENSOR_LOC_CHAR] = {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ, CHAR_DECLARATION_SIZE,CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_read}}, // Body Sensor Location Characteristic Value [HRS_IDX_BOBY_SENSOR_LOC_VAL] = {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&body_sensor_location_uuid, ESP_GATT_PERM_READ, sizeof(uint8_t), sizeof(body_sensor_loc_val), (uint8_t *)body_sensor_loc_val}}, // Heart Rate Control Point Characteristic Declaration [HRS_IDX_HR_CTNL_PT_CHAR] = {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ, CHAR_DECLARATION_SIZE,CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_read_write}}, // Heart Rate Control Point Characteristic Value [HRS_IDX_HR_CTNL_PT_VAL] = {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&heart_rate_ctrl_point, ESP_GATT_PERM_WRITE|ESP_GATT_PERM_READ, sizeof(uint8_t), sizeof(heart_ctrl_point), (uint8_t *)heart_ctrl_point}}, }; static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param) { Serial.println("gap_event_handler"); switch (event) { case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT: Serial.println(" ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT"); esp_ble_gap_start_advertising(&heart_rate_adv_params); break; case ESP_GAP_BLE_ADV_START_COMPLETE_EVT: //advertising start complete event to indicate advertising start successfully or failed Serial.println(" ESP_GAP_BLE_ADV_START_COMPLETE_EVT"); if (param->adv_start_cmpl.status != ESP_BT_STATUS_SUCCESS) { Serial.println("Advertising start failed"); } break; default: break; } } static void gatts_profile_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param) { Serial.println("gatts_profile_event_handler:"); switch (event) { case ESP_GATTS_REG_EVT: Serial.println(" ESP_GATTS_REG_EVT"); esp_ble_gap_set_device_name(SAMPLE_DEVICE_NAME); esp_ble_gap_config_adv_data(&heart_rate_adv_config); esp_ble_gatts_create_attr_tab(heart_rate_gatt_db, gatts_if, HRS_IDX_NB, HEART_RATE_SVC_INST_ID); break; case ESP_GATTS_READ_EVT: Serial.println(" ESP_GATTS_READ_EVT"); char hrp1 = 0x1E; // dummy data char hrp2 = 0x00; // dummy data esp_gatt_rsp_t rsp; memset(&rsp, 0, sizeof(esp_gatt_rsp_t)); rsp.attr_value.handle = param->read.handle; rsp.attr_value.len = 2; rsp.attr_value.value[0] = hrp1; rsp.attr_value.value[1] = hrp2; esp_ble_gatts_send_response(gatts_if, param->read.conn_id, param->read.trans_id, ESP_GATT_OK, &rsp); break; case ESP_GATTS_WRITE_EVT: Serial.println(" ESP_GATTS_WRITE_EVT"); break; case ESP_GATTS_EXEC_WRITE_EVT: Serial.println(" ESP_GATTS_EXEC_WRITE_EVT"); break; case ESP_GATTS_MTU_EVT: Serial.println(" ESP_GATTS_MTU_EVT"); break; case ESP_GATTS_CONF_EVT: Serial.println(" ESP_GATTS_CONF_EVT"); break; case ESP_GATTS_UNREG_EVT: Serial.println(" ESP_GATTS_UREG_EVT"); break; case ESP_GATTS_DELETE_EVT: Serial.println(" ESP_GATTS_DELETE_EVT"); break; case ESP_GATTS_START_EVT: Serial.println(" ESP_GATTS_START_EVT"); break; case ESP_GATTS_STOP_EVT: Serial.println(" ESP_GATTS_STOP_EVT"); break; case ESP_GATTS_CONNECT_EVT: Serial.println(" ESP_GATTS_CONNECT_EVT"); break; case ESP_GATTS_DISCONNECT_EVT: Serial.println(" ESP_GATTS_DISCONNECT_EVT"); break; case ESP_GATTS_OPEN_EVT: Serial.println(" ESP_GATTS_OPEN_EVT"); break; case ESP_GATTS_CANCEL_OPEN_EVT: Serial.println(" ESP_GATTS_CANCEL_OPEN_EVT"); break; case ESP_GATTS_CLOSE_EVT: Serial.println(" ESP_GATTS_CLOSE_EVT"); break; case ESP_GATTS_LISTEN_EVT: Serial.println(" ESP_GATTS_LISTEN_EVT"); break; case ESP_GATTS_CONGEST_EVT: Serial.println(" ESP_GATTS_CONGEST_EVT"); break; case ESP_GATTS_CREAT_ATTR_TAB_EVT:{ Serial.println("ESP_GATTS_CREAT_ATTR_TAB_EVT"); if (param->add_attr_tab.status != ESP_GATT_OK){ Serial.println("Create attribute table failed"); } else if (param->add_attr_tab.num_handle != HRS_IDX_NB){ Serial.println("Create attribute table abnormally"); } else { memcpy(heart_rate_handle_table, param->add_attr_tab.handles, sizeof(heart_rate_handle_table)); esp_ble_gatts_start_service(heart_rate_handle_table[HRS_IDX_SVC]); } } break; default: break; } } static void gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param) { Serial.println("gatts_event_handler:"); /* If event is register event, store the gatts_if for each profile */ if (event == ESP_GATTS_REG_EVT) { if (param->reg.status == ESP_GATT_OK) { Serial.println(" Reg app success"); heart_rate_profile_tab[HEART_PROFILE_APP_IDX].gatts_if = gatts_if; } else { Serial.println(" Reg app failed"); return; } } do { int idx; for (idx = 0; idx < HEART_PROFILE_NUM; idx++) { if (gatts_if == ESP_GATT_IF_NONE || /* ESP_GATT_IF_NONE, not specify a certain gatt_if, need to call every profile cb function */ gatts_if == heart_rate_profile_tab[idx].gatts_if) { if (heart_rate_profile_tab[idx].gatts_cb) { heart_rate_profile_tab[idx].gatts_cb(event, gatts_if, param); } } } } while (0); } void setup() { Serial.begin(115200); /* initialize advertising info */ heart_rate_adv_params.adv_int_min = 0x20; heart_rate_adv_params.adv_int_max = 0x40; heart_rate_adv_params.adv_type = ADV_TYPE_IND; heart_rate_adv_params.own_addr_type = BLE_ADDR_TYPE_PUBLIC; heart_rate_adv_params.channel_map = ADV_CHNL_ALL; heart_rate_adv_params.adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY; esp_err_t ret; esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT(); ret = esp_bt_controller_init(&bt_cfg); if (ret) { Serial.println("esp_bt_controller_init failed"); return; } ret = esp_bt_controller_enable(ESP_BT_MODE_BTDM); if (ret) { Serial.println("esp_bt_controller_enable enable controller"); return; } Serial.println("Init bluetooth"); ret = esp_bluedroid_init(); if (ret) { Serial.println("esp_bluedroid_init failed"); return; } ret = esp_bluedroid_enable(); if (ret) { Serial.println("esp_bluedroid_enable failed"); return; } esp_ble_gatts_register_callback(gatts_event_handler); esp_ble_gap_register_callback(gap_event_handler); esp_ble_gatts_app_register(ESP_HEART_RATE_APP_ID); } void loop() { // put your main code here, to run repeatedly: }
何も考えずに移植したコードなので、うまく動かないだろうなぁと思いつつ試してみました。
Init bluetooth gatts_event_handler: Reg app success gatts_profile_event_handler: ESP_GATTS_REG_EVT gatts_event_handler: gatts_profile_event_handler: gap_event_handler ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT gap_event_handler ESP_GAP_BLE_ADV_START_COMPLETE_EVT gatts_event_handler: gatts_profile_event_handler: gap_event_handler
とりあえずログは出ましたがそれらしい動きは一切なし。やっぱダメですね。ぼちぼち調べていくかぁ。
(´・ω・`)
waves ESP32-DevKitC ESP-WROOM-32 ESP32 DevKitC V2 WiFi BLE 技適取得済 国内発送
- 出版社/メーカー: waves(ウェイブス)
- メディア: エレクトロニクス
SparkFun ESP32 Thing Development Workshop (English Edition)
- 出版社/メーカー: PE Press
- 発売日: 2017/04/09
- メディア: Kindle版
MicroPython for ESP32 Development Workshop (English Edition)
- 出版社/メーカー:
- 発売日: 2017/08/19
- メディア: Kindle版
HTMLやCSSとかだと
単純にコピペしただけでも綺麗に表示できた時があったので、
まずは単純コピーは試してみることにしています(^^)
by ワンモア (2017-11-13 09:30)
何事も、まずはやってみるですよね!(^^;
by ys_oota (2017-11-14 09:22)