arduino-esp32/libraries/BLE/src/BLEDevice.cpp

665 lines
21 KiB
C++

/*
* BLE.cpp
*
* Created on: Mar 16, 2017
* Author: kolban
*/
#include "sdkconfig.h"
#if defined(CONFIG_BT_ENABLED)
#include <freertos/FreeRTOS.h>
#include <freertos/event_groups.h>
#include <freertos/task.h>
#include <esp_err.h>
#include <nvs_flash.h>
#include <esp_bt.h> // ESP32 BLE
#include <esp_bt_device.h> // ESP32 BLE
#include <esp_bt_main.h> // ESP32 BLE
#include <esp_gap_ble_api.h> // ESP32 BLE
#include <esp_gatts_api.h> // ESP32 BLE
#include <esp_gattc_api.h> // ESP32 BLE
#include <esp_gatt_common_api.h>// ESP32 BLE
#include <esp_err.h> // ESP32 ESP-IDF
#include <map> // Part of C++ Standard library
#include <sstream> // Part of C++ Standard library
#include <iomanip> // Part of C++ Standard library
#include "BLEDevice.h"
#include "BLEClient.h"
#include "BLEUtils.h"
#include "GeneralUtils.h"
#if defined(ARDUINO_ARCH_ESP32)
#include "esp32-hal-bt.h"
#endif
#include "esp32-hal-log.h"
/**
* Singletons for the BLEDevice.
*/
BLEServer* BLEDevice::m_pServer = nullptr;
BLEScan* BLEDevice::m_pScan = nullptr;
BLEClient* BLEDevice::m_pClient = nullptr;
bool initialized = false;
esp_ble_sec_act_t BLEDevice::m_securityLevel = (esp_ble_sec_act_t)0;
BLESecurityCallbacks* BLEDevice::m_securityCallbacks = nullptr;
uint16_t BLEDevice::m_localMTU = 23; // not sure if this variable is useful
BLEAdvertising* BLEDevice::m_bleAdvertising = nullptr;
uint16_t BLEDevice::m_appId = 0;
std::map<uint16_t, conn_status_t> BLEDevice::m_connectedClientsMap;
gap_event_handler BLEDevice::m_customGapHandler = nullptr;
gattc_event_handler BLEDevice::m_customGattcHandler = nullptr;
gatts_event_handler BLEDevice::m_customGattsHandler = nullptr;
/**
* @brief Create a new instance of a client.
* @return A new instance of the client.
*/
/* STATIC */ BLEClient* BLEDevice::createClient() {
log_v(">> createClient");
#ifndef CONFIG_GATTC_ENABLE // Check that BLE GATTC is enabled in make menuconfig
log_e("BLE GATTC is not enabled - CONFIG_GATTC_ENABLE not defined");
abort();
#endif // CONFIG_GATTC_ENABLE
m_pClient = new BLEClient();
log_v("<< createClient");
return m_pClient;
} // createClient
/**
* @brief Create a new instance of a server.
* @return A new instance of the server.
*/
/* STATIC */ BLEServer* BLEDevice::createServer() {
log_v(">> createServer");
#ifndef CONFIG_GATTS_ENABLE // Check that BLE GATTS is enabled in make menuconfig
log_e("BLE GATTS is not enabled - CONFIG_GATTS_ENABLE not defined");
abort();
#endif // CONFIG_GATTS_ENABLE
m_pServer = new BLEServer();
m_pServer->createApp(m_appId++);
log_v("<< createServer");
return m_pServer;
} // createServer
/**
* @brief Handle GATT server events.
*
* @param [in] event The event that has been newly received.
* @param [in] gatts_if The connection to the GATT interface.
* @param [in] param Parameters for the event.
*/
/* STATIC */ void BLEDevice::gattServerEventHandler(
esp_gatts_cb_event_t event,
esp_gatt_if_t gatts_if,
esp_ble_gatts_cb_param_t* param
) {
log_d("gattServerEventHandler [esp_gatt_if: %d] ... %s",
gatts_if,
BLEUtils::gattServerEventTypeToString(event).c_str());
BLEUtils::dumpGattServerEvent(event, gatts_if, param);
switch (event) {
case ESP_GATTS_CONNECT_EVT: {
#ifdef CONFIG_BLE_SMP_ENABLE // Check that BLE SMP (security) is configured in make menuconfig
if(BLEDevice::m_securityLevel){
esp_ble_set_encryption(param->connect.remote_bda, BLEDevice::m_securityLevel);
}
#endif // CONFIG_BLE_SMP_ENABLE
break;
} // ESP_GATTS_CONNECT_EVT
default: {
break;
}
} // switch
if (BLEDevice::m_pServer != nullptr) {
BLEDevice::m_pServer->handleGATTServerEvent(event, gatts_if, param);
}
if(m_customGattsHandler != nullptr) {
m_customGattsHandler(event, gatts_if, param);
}
} // gattServerEventHandler
/**
* @brief Handle GATT client events.
*
* Handler for the GATT client events.
*
* @param [in] event
* @param [in] gattc_if
* @param [in] param
*/
/* STATIC */ void BLEDevice::gattClientEventHandler(
esp_gattc_cb_event_t event,
esp_gatt_if_t gattc_if,
esp_ble_gattc_cb_param_t* param) {
log_d("gattClientEventHandler [esp_gatt_if: %d] ... %s",
gattc_if, BLEUtils::gattClientEventTypeToString(event).c_str());
BLEUtils::dumpGattClientEvent(event, gattc_if, param);
switch(event) {
case ESP_GATTC_CONNECT_EVT: {
#ifdef CONFIG_BLE_SMP_ENABLE // Check that BLE SMP (security) is configured in make menuconfig
if(BLEDevice::m_securityLevel){
esp_ble_set_encryption(param->connect.remote_bda, BLEDevice::m_securityLevel);
}
#endif // CONFIG_BLE_SMP_ENABLE
break;
} // ESP_GATTS_CONNECT_EVT
default:
break;
} // switch
for(auto &myPair : BLEDevice::getPeerDevices(true)) {
conn_status_t conn_status = (conn_status_t)myPair.second;
if(((BLEClient*)conn_status.peer_device)->getGattcIf() == gattc_if || ((BLEClient*)conn_status.peer_device)->getGattcIf() == ESP_GATT_IF_NONE || gattc_if == ESP_GATT_IF_NONE){
((BLEClient*)conn_status.peer_device)->gattClientEventHandler(event, gattc_if, param);
}
}
if(m_customGattcHandler != nullptr) {
m_customGattcHandler(event, gattc_if, param);
}
} // gattClientEventHandler
/**
* @brief Handle GAP events.
*/
/* STATIC */ void BLEDevice::gapEventHandler(
esp_gap_ble_cb_event_t event,
esp_ble_gap_cb_param_t *param) {
BLEUtils::dumpGapEvent(event, param);
switch(event) {
case ESP_GAP_BLE_OOB_REQ_EVT: /* OOB request event */
log_i("ESP_GAP_BLE_OOB_REQ_EVT");
break;
case ESP_GAP_BLE_LOCAL_IR_EVT: /* BLE local IR event */
log_i("ESP_GAP_BLE_LOCAL_IR_EVT");
break;
case ESP_GAP_BLE_LOCAL_ER_EVT: /* BLE local ER event */
log_i("ESP_GAP_BLE_LOCAL_ER_EVT");
break;
case ESP_GAP_BLE_NC_REQ_EVT: /* NUMERIC CONFIRMATION */
log_i("ESP_GAP_BLE_NC_REQ_EVT");
#ifdef CONFIG_BLE_SMP_ENABLE // Check that BLE SMP (security) is configured in make menuconfig
if(BLEDevice::m_securityCallbacks != nullptr){
esp_ble_confirm_reply(param->ble_security.ble_req.bd_addr, BLEDevice::m_securityCallbacks->onConfirmPIN(param->ble_security.key_notif.passkey));
}
#endif // CONFIG_BLE_SMP_ENABLE
break;
case ESP_GAP_BLE_PASSKEY_REQ_EVT: /* passkey request event */
log_i("ESP_GAP_BLE_PASSKEY_REQ_EVT: ");
// esp_log_buffer_hex(m_remote_bda, sizeof(m_remote_bda));
#ifdef CONFIG_BLE_SMP_ENABLE // Check that BLE SMP (security) is configured in make menuconfig
if(BLEDevice::m_securityCallbacks != nullptr){
esp_ble_passkey_reply(param->ble_security.ble_req.bd_addr, true, BLEDevice::m_securityCallbacks->onPassKeyRequest());
}
#endif // CONFIG_BLE_SMP_ENABLE
break;
/*
* TODO should we add white/black list comparison?
*/
case ESP_GAP_BLE_SEC_REQ_EVT:
/* send the positive(true) security response to the peer device to accept the security request.
If not accept the security request, should sent the security response with negative(false) accept value*/
log_i("ESP_GAP_BLE_SEC_REQ_EVT");
#ifdef CONFIG_BLE_SMP_ENABLE // Check that BLE SMP (security) is configured in make menuconfig
if(BLEDevice::m_securityCallbacks!=nullptr){
esp_ble_gap_security_rsp(param->ble_security.ble_req.bd_addr, BLEDevice::m_securityCallbacks->onSecurityRequest());
}
else{
esp_ble_gap_security_rsp(param->ble_security.ble_req.bd_addr, true);
}
#endif // CONFIG_BLE_SMP_ENABLE
break;
/*
*
*/
case ESP_GAP_BLE_PASSKEY_NOTIF_EVT: //the app will receive this evt when the IO has Output capability and the peer device IO has Input capability.
//display the passkey number to the user to input it in the peer deivce within 30 seconds
log_i("ESP_GAP_BLE_PASSKEY_NOTIF_EVT");
#ifdef CONFIG_BLE_SMP_ENABLE // Check that BLE SMP (security) is configured in make menuconfig
log_i("passKey = %d", param->ble_security.key_notif.passkey);
if(BLEDevice::m_securityCallbacks!=nullptr){
BLEDevice::m_securityCallbacks->onPassKeyNotify(param->ble_security.key_notif.passkey);
}
#endif // CONFIG_BLE_SMP_ENABLE
break;
case ESP_GAP_BLE_KEY_EVT:
//shows the ble key type info share with peer device to the user.
log_d("ESP_GAP_BLE_KEY_EVT");
#ifdef CONFIG_BLE_SMP_ENABLE // Check that BLE SMP (security) is configured in make menuconfig
log_i("key type = %s", BLESecurity::esp_key_type_to_str(param->ble_security.ble_key.key_type));
#endif // CONFIG_BLE_SMP_ENABLE
break;
case ESP_GAP_BLE_AUTH_CMPL_EVT:
log_i("ESP_GAP_BLE_AUTH_CMPL_EVT");
#ifdef CONFIG_BLE_SMP_ENABLE // Check that BLE SMP (security) is configured in make menuconfig
if(BLEDevice::m_securityCallbacks != nullptr){
BLEDevice::m_securityCallbacks->onAuthenticationComplete(param->ble_security.auth_cmpl);
}
#endif // CONFIG_BLE_SMP_ENABLE
break;
default: {
break;
}
} // switch
if (BLEDevice::m_pClient != nullptr) {
BLEDevice::m_pClient->handleGAPEvent(event, param);
}
if (BLEDevice::m_pScan != nullptr) {
BLEDevice::getScan()->handleGAPEvent(event, param);
}
if(m_bleAdvertising != nullptr) {
BLEDevice::getAdvertising()->handleGAPEvent(event, param);
}
if(m_customGapHandler != nullptr) {
BLEDevice::m_customGapHandler(event, param);
}
} // gapEventHandler
/**
* @brief Get the BLE device address.
* @return The BLE device address.
*/
/* STATIC*/ BLEAddress BLEDevice::getAddress() {
const uint8_t* bdAddr = esp_bt_dev_get_address();
esp_bd_addr_t addr;
memcpy(addr, bdAddr, sizeof(addr));
return BLEAddress(addr);
} // getAddress
/**
* @brief Retrieve the Scan object that we use for scanning.
* @return The scanning object reference. This is a singleton object. The caller should not
* try and release/delete it.
*/
/* STATIC */ BLEScan* BLEDevice::getScan() {
//log_v(">> getScan");
if (m_pScan == nullptr) {
m_pScan = new BLEScan();
//log_d(" - creating a new scan object");
}
//log_v("<< getScan: Returning object at 0x%x", (uint32_t)m_pScan);
return m_pScan;
} // getScan
/**
* @brief Get the value of a characteristic of a service on a remote device.
* @param [in] bdAddress
* @param [in] serviceUUID
* @param [in] characteristicUUID
*/
/* STATIC */ std::string BLEDevice::getValue(BLEAddress bdAddress, BLEUUID serviceUUID, BLEUUID characteristicUUID) {
log_v(">> getValue: bdAddress: %s, serviceUUID: %s, characteristicUUID: %s", bdAddress.toString().c_str(), serviceUUID.toString().c_str(), characteristicUUID.toString().c_str());
BLEClient* pClient = createClient();
pClient->connect(bdAddress);
std::string ret = pClient->getValue(serviceUUID, characteristicUUID);
pClient->disconnect();
log_v("<< getValue");
return ret;
} // getValue
/**
* @brief Initialize the %BLE environment.
* @param deviceName The device name of the device.
*/
/* STATIC */ void BLEDevice::init(std::string deviceName) {
if(!initialized){
initialized = true; // Set the initialization flag to ensure we are only initialized once.
esp_err_t errRc = ESP_OK;
#ifdef ARDUINO_ARCH_ESP32
if (!btStart()) {
errRc = ESP_FAIL;
return;
}
#else
errRc = ::nvs_flash_init();
if (errRc != ESP_OK) {
log_e("nvs_flash_init: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
}
#ifndef CLASSIC_BT_ENABLED
esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT);
#endif
esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
errRc = esp_bt_controller_init(&bt_cfg);
if (errRc != ESP_OK) {
log_e("esp_bt_controller_init: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
}
#ifndef CLASSIC_BT_ENABLED
errRc = esp_bt_controller_enable(ESP_BT_MODE_BLE);
if (errRc != ESP_OK) {
log_e("esp_bt_controller_enable: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
}
#else
errRc = esp_bt_controller_enable(ESP_BT_MODE_BTDM);
if (errRc != ESP_OK) {
log_e("esp_bt_controller_enable: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
}
#endif
#endif
esp_bluedroid_status_t bt_state = esp_bluedroid_get_status();
if (bt_state == ESP_BLUEDROID_STATUS_UNINITIALIZED) {
errRc = esp_bluedroid_init();
if (errRc != ESP_OK) {
log_e("esp_bluedroid_init: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
}
}
if (bt_state != ESP_BLUEDROID_STATUS_ENABLED) {
errRc = esp_bluedroid_enable();
if (errRc != ESP_OK) {
log_e("esp_bluedroid_enable: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
}
}
errRc = esp_ble_gap_register_callback(BLEDevice::gapEventHandler);
if (errRc != ESP_OK) {
log_e("esp_ble_gap_register_callback: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
}
#ifdef CONFIG_GATTC_ENABLE // Check that BLE client is configured in make menuconfig
errRc = esp_ble_gattc_register_callback(BLEDevice::gattClientEventHandler);
if (errRc != ESP_OK) {
log_e("esp_ble_gattc_register_callback: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
}
#endif // CONFIG_GATTC_ENABLE
#ifdef CONFIG_GATTS_ENABLE // Check that BLE server is configured in make menuconfig
errRc = esp_ble_gatts_register_callback(BLEDevice::gattServerEventHandler);
if (errRc != ESP_OK) {
log_e("esp_ble_gatts_register_callback: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
}
#endif // CONFIG_GATTS_ENABLE
errRc = ::esp_ble_gap_set_device_name(deviceName.c_str());
if (errRc != ESP_OK) {
log_e("esp_ble_gap_set_device_name: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
};
#ifdef CONFIG_BLE_SMP_ENABLE // Check that BLE SMP (security) is configured in make menuconfig
esp_ble_io_cap_t iocap = ESP_IO_CAP_NONE;
errRc = ::esp_ble_gap_set_security_param(ESP_BLE_SM_IOCAP_MODE, &iocap, sizeof(uint8_t));
if (errRc != ESP_OK) {
log_e("esp_ble_gap_set_security_param: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
return;
};
#endif // CONFIG_BLE_SMP_ENABLE
}
vTaskDelay(200 / portTICK_PERIOD_MS); // Delay for 200 msecs as a workaround to an apparent Arduino environment issue.
} // init
/**
* @brief Set the transmission power.
* The power level can be one of:
* * ESP_PWR_LVL_N14
* * ESP_PWR_LVL_N11
* * ESP_PWR_LVL_N8
* * ESP_PWR_LVL_N5
* * ESP_PWR_LVL_N2
* * ESP_PWR_LVL_P1
* * ESP_PWR_LVL_P4
* * ESP_PWR_LVL_P7
*
* The power types can be one of:
* * ESP_BLE_PWR_TYPE_CONN_HDL0
* * ESP_BLE_PWR_TYPE_CONN_HDL1
* * ESP_BLE_PWR_TYPE_CONN_HDL2
* * ESP_BLE_PWR_TYPE_CONN_HDL3
* * ESP_BLE_PWR_TYPE_CONN_HDL4
* * ESP_BLE_PWR_TYPE_CONN_HDL5
* * ESP_BLE_PWR_TYPE_CONN_HDL6
* * ESP_BLE_PWR_TYPE_CONN_HDL7
* * ESP_BLE_PWR_TYPE_CONN_HDL8
* * ESP_BLE_PWR_TYPE_ADV
* * ESP_BLE_PWR_TYPE_SCAN
* * ESP_BLE_PWR_TYPE_DEFAULT
* @param [in] powerType.
* @param [in] powerLevel.
*/
/* STATIC */ void BLEDevice::setPower(esp_power_level_t powerLevel, esp_ble_power_type_t powerType) {
log_v(">> setPower: %d (type: %d)", powerLevel, powerType);
esp_err_t errRc = ::esp_ble_tx_power_set(powerType, powerLevel);
if (errRc != ESP_OK) {
log_e("esp_ble_tx_power_set: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
};
log_v("<< setPower");
} // setPower
/**
* @brief Set the value of a characteristic of a service on a remote device.
* @param [in] bdAddress
* @param [in] serviceUUID
* @param [in] characteristicUUID
*/
/* STATIC */ void BLEDevice::setValue(BLEAddress bdAddress, BLEUUID serviceUUID, BLEUUID characteristicUUID, std::string value) {
log_v(">> setValue: bdAddress: %s, serviceUUID: %s, characteristicUUID: %s", bdAddress.toString().c_str(), serviceUUID.toString().c_str(), characteristicUUID.toString().c_str());
BLEClient* pClient = createClient();
pClient->connect(bdAddress);
pClient->setValue(serviceUUID, characteristicUUID, value);
pClient->disconnect();
} // setValue
/**
* @brief Return a string representation of the nature of this device.
* @return A string representation of the nature of this device.
*/
/* STATIC */ std::string BLEDevice::toString() {
std::string res = "BD Address: " + getAddress().toString();
return res;
} // toString
/**
* @brief Add an entry to the BLE white list.
* @param [in] address The address to add to the white list.
*/
void BLEDevice::whiteListAdd(BLEAddress address) {
log_v(">> whiteListAdd: %s", address.toString().c_str());
esp_err_t errRc = esp_ble_gap_update_whitelist(true, *address.getNative()); // True to add an entry.
if (errRc != ESP_OK) {
log_e("esp_ble_gap_update_whitelist: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
}
log_v("<< whiteListAdd");
} // whiteListAdd
/**
* @brief Remove an entry from the BLE white list.
* @param [in] address The address to remove from the white list.
*/
void BLEDevice::whiteListRemove(BLEAddress address) {
log_v(">> whiteListRemove: %s", address.toString().c_str());
esp_err_t errRc = esp_ble_gap_update_whitelist(false, *address.getNative()); // False to remove an entry.
if (errRc != ESP_OK) {
log_e("esp_ble_gap_update_whitelist: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
}
log_v("<< whiteListRemove");
} // whiteListRemove
/*
* @brief Set encryption level that will be negotiated with peer device durng connection
* @param [in] level Requested encryption level
*/
void BLEDevice::setEncryptionLevel(esp_ble_sec_act_t level) {
BLEDevice::m_securityLevel = level;
}
/*
* @brief Set callbacks that will be used to handle encryption negotiation events and authentication events
* @param [in] cllbacks Pointer to BLESecurityCallbacks class callback
*/
void BLEDevice::setSecurityCallbacks(BLESecurityCallbacks* callbacks) {
BLEDevice::m_securityCallbacks = callbacks;
}
/*
* @brief Setup local mtu that will be used to negotiate mtu during request from client peer
* @param [in] mtu Value to set local mtu, should be larger than 23 and lower or equal to 517
*/
esp_err_t BLEDevice::setMTU(uint16_t mtu) {
log_v(">> setLocalMTU: %d", mtu);
esp_err_t err = esp_ble_gatt_set_local_mtu(mtu);
if (err == ESP_OK) {
m_localMTU = mtu;
} else {
log_e("can't set local mtu value: %d", mtu);
}
log_v("<< setLocalMTU");
return err;
}
/*
* @brief Get local MTU value set during mtu request or default value
*/
uint16_t BLEDevice::getMTU() {
return m_localMTU;
}
bool BLEDevice::getInitialized() {
return initialized;
}
BLEAdvertising* BLEDevice::getAdvertising() {
if(m_bleAdvertising == nullptr) {
m_bleAdvertising = new BLEAdvertising();
log_i("create advertising");
}
log_d("get advertising");
return m_bleAdvertising;
}
void BLEDevice::startAdvertising() {
log_v(">> startAdvertising");
getAdvertising()->start();
log_v("<< startAdvertising");
} // startAdvertising
void BLEDevice::stopAdvertising() {
log_v(">> stopAdvertising");
getAdvertising()->stop();
log_v("<< stopAdvertising");
} // stopAdvertising
/* multi connect support */
/* requires a little more work */
std::map<uint16_t, conn_status_t> BLEDevice::getPeerDevices(bool _client) {
return m_connectedClientsMap;
}
BLEClient* BLEDevice::getClientByGattIf(uint16_t conn_id) {
return (BLEClient*)m_connectedClientsMap.find(conn_id)->second.peer_device;
}
void BLEDevice::updatePeerDevice(void* peer, bool _client, uint16_t conn_id) {
log_d("update conn_id: %d, GATT role: %s", conn_id, _client? "client":"server");
std::map<uint16_t, conn_status_t>::iterator it = m_connectedClientsMap.find(ESP_GATT_IF_NONE);
if (it != m_connectedClientsMap.end()) {
std::swap(m_connectedClientsMap[conn_id], it->second);
m_connectedClientsMap.erase(it);
}else{
it = m_connectedClientsMap.find(conn_id);
if (it != m_connectedClientsMap.end()) {
conn_status_t _st = it->second;
_st.peer_device = peer;
std::swap(m_connectedClientsMap[conn_id], _st);
}
}
}
void BLEDevice::addPeerDevice(void* peer, bool _client, uint16_t conn_id) {
log_i("add conn_id: %d, GATT role: %s", conn_id, _client? "client":"server");
conn_status_t status = {
.peer_device = peer,
.connected = true,
.mtu = 23
};
m_connectedClientsMap.insert(std::pair<uint16_t, conn_status_t>(conn_id, status));
}
void BLEDevice::removePeerDevice(uint16_t conn_id, bool _client) {
log_i("remove: %d, GATT role %s", conn_id, _client?"client":"server");
if(m_connectedClientsMap.find(conn_id) != m_connectedClientsMap.end())
m_connectedClientsMap.erase(conn_id);
}
/* multi connect support */
/**
* @brief de-Initialize the %BLE environment.
* @param release_memory release the internal BT stack memory
*/
/* STATIC */ void BLEDevice::deinit(bool release_memory) {
if (!initialized) return;
esp_bluedroid_disable();
esp_bluedroid_deinit();
esp_bt_controller_disable();
esp_bt_controller_deinit();
#ifdef ARDUINO_ARCH_ESP32
if (release_memory) {
esp_bt_controller_mem_release(ESP_BT_MODE_BTDM); // <-- require tests because we released classic BT memory and this can cause crash (most likely not, esp-idf takes care of it)
} else {
initialized = false;
}
#endif
}
void BLEDevice::setCustomGapHandler(gap_event_handler handler) {
m_customGapHandler = handler;
}
void BLEDevice::setCustomGattcHandler(gattc_event_handler handler) {
m_customGattcHandler = handler;
}
void BLEDevice::setCustomGattsHandler(gatts_event_handler handler) {
m_customGattsHandler = handler;
}
#endif // CONFIG_BT_ENABLED