mirror of
https://github.com/h2zero/esp-nimble-cpp.git
synced 2024-05-20 16:01:20 +02:00
4ff9baf68a
Somehow, the conn_handle can have the value of `0xffff`. Not sure why or how, but anyway it should be managed before moving forward on NimBLECharacteristic::handleGapEvent. Otherwise, an unhandled exception will occur on `assert(rc == 0);`
659 lines
22 KiB
C++
659 lines
22 KiB
C++
/*
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* NimBLECharacteristic.cpp
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*
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* Created: on March 3, 2020
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* Author H2zero
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*
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* BLECharacteristic.cpp
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*
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* Created on: Jun 22, 2017
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* Author: kolban
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*/
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#include "nimconfig.h"
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#if defined(CONFIG_BT_ENABLED) && defined(CONFIG_BT_NIMBLE_ROLE_PERIPHERAL)
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#include "NimBLECharacteristic.h"
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#include "NimBLE2904.h"
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#include "NimBLEDevice.h"
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#include "NimBLELog.h"
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#define NULL_HANDLE (0xffff)
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#define NIMBLE_SUB_NOTIFY 0x0001
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#define NIMBLE_SUB_INDICATE 0x0002
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static NimBLECharacteristicCallbacks defaultCallback;
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static const char* LOG_TAG = "NimBLECharacteristic";
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/**
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* @brief Construct a characteristic
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* @param [in] uuid - UUID (const char*) for the characteristic.
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* @param [in] properties - Properties for the characteristic.
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* @param [in] max_len - The maximum length in bytes that the characteristic value can hold. (Default: 512 bytes for esp32, 20 for all others).
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* @param [in] pService - pointer to the service instance this characteristic belongs to.
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*/
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NimBLECharacteristic::NimBLECharacteristic(const char* uuid, uint16_t properties,
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uint16_t max_len, NimBLEService* pService)
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: NimBLECharacteristic(NimBLEUUID(uuid), properties, max_len, pService) {
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}
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/**
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* @brief Construct a characteristic
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* @param [in] uuid - UUID for the characteristic.
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* @param [in] properties - Properties for the characteristic.
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* @param [in] max_len - The maximum length in bytes that the characteristic value can hold. (Default: 512 bytes for esp32, 20 for all others).
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* @param [in] pService - pointer to the service instance this characteristic belongs to.
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*/
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NimBLECharacteristic::NimBLECharacteristic(const NimBLEUUID &uuid, uint16_t properties,
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uint16_t max_len, NimBLEService* pService)
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: m_value(std::min(CONFIG_NIMBLE_CPP_ATT_VALUE_INIT_LENGTH , (int)max_len), max_len) {
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m_uuid = uuid;
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m_handle = NULL_HANDLE;
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m_properties = properties;
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m_pCallbacks = &defaultCallback;
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m_pService = pService;
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m_removed = 0;
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} // NimBLECharacteristic
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/**
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* @brief Destructor.
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*/
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NimBLECharacteristic::~NimBLECharacteristic() {
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for(auto &it : m_dscVec) {
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delete it;
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}
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} // ~NimBLECharacteristic
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/**
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* @brief Create a new BLE Descriptor associated with this characteristic.
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* @param [in] uuid - The UUID of the descriptor.
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* @param [in] properties - The properties of the descriptor.
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* @param [in] max_len - The max length in bytes of the descriptor value.
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* @return The new BLE descriptor.
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*/
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NimBLEDescriptor* NimBLECharacteristic::createDescriptor(const char* uuid, uint32_t properties, uint16_t max_len) {
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return createDescriptor(NimBLEUUID(uuid), properties, max_len);
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}
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/**
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* @brief Create a new BLE Descriptor associated with this characteristic.
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* @param [in] uuid - The UUID of the descriptor.
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* @param [in] properties - The properties of the descriptor.
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* @param [in] max_len - The max length in bytes of the descriptor value.
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* @return The new BLE descriptor.
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*/
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NimBLEDescriptor* NimBLECharacteristic::createDescriptor(const NimBLEUUID &uuid, uint32_t properties, uint16_t max_len) {
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NimBLEDescriptor* pDescriptor = nullptr;
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if(uuid == NimBLEUUID(uint16_t(0x2902))) {
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assert(0 && "0x2902 descriptors cannot be manually created");
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} else if (uuid == NimBLEUUID(uint16_t(0x2904))) {
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pDescriptor = new NimBLE2904(this);
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} else {
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pDescriptor = new NimBLEDescriptor(uuid, properties, max_len, this);
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}
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addDescriptor(pDescriptor);
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return pDescriptor;
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} // createDescriptor
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/**
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* @brief Add a descriptor to the characteristic.
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* @param [in] pDescriptor A pointer to the descriptor to add.
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*/
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void NimBLECharacteristic::addDescriptor(NimBLEDescriptor *pDescriptor) {
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bool foundRemoved = false;
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if(pDescriptor->m_removed > 0) {
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for(auto& it : m_dscVec) {
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if(it == pDescriptor) {
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foundRemoved = true;
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pDescriptor->m_removed = 0;
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}
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}
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}
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if(!foundRemoved) {
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m_dscVec.push_back(pDescriptor);
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}
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pDescriptor->setCharacteristic(this);
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NimBLEDevice::getServer()->serviceChanged();
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}
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/**
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* @brief Remove a descriptor from the characteristic.
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* @param[in] pDescriptor A pointer to the descriptor instance to remove from the characteristic.
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* @param[in] deleteDsc If true it will delete the descriptor instance and free it's resources.
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*/
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void NimBLECharacteristic::removeDescriptor(NimBLEDescriptor *pDescriptor, bool deleteDsc) {
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// Check if the descriptor was already removed and if so, check if this
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// is being called to delete the object and do so if requested.
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// Otherwise, ignore the call and return.
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if(pDescriptor->m_removed > 0) {
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if(deleteDsc) {
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for(auto it = m_dscVec.begin(); it != m_dscVec.end(); ++it) {
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if ((*it) == pDescriptor) {
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delete *it;
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m_dscVec.erase(it);
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break;
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}
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}
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}
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return;
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}
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pDescriptor->m_removed = deleteDsc ? NIMBLE_ATT_REMOVE_DELETE : NIMBLE_ATT_REMOVE_HIDE;
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NimBLEDevice::getServer()->serviceChanged();
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} // removeDescriptor
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/**
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* @brief Return the BLE Descriptor for the given UUID.
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* @param [in] uuid The UUID of the descriptor.
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* @return A pointer to the descriptor object or nullptr if not found.
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*/
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NimBLEDescriptor* NimBLECharacteristic::getDescriptorByUUID(const char* uuid) {
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return getDescriptorByUUID(NimBLEUUID(uuid));
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} // getDescriptorByUUID
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/**
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* @brief Return the BLE Descriptor for the given UUID.
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* @param [in] uuid The UUID of the descriptor.
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* @return A pointer to the descriptor object or nullptr if not found.
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*/
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NimBLEDescriptor* NimBLECharacteristic::getDescriptorByUUID(const NimBLEUUID &uuid) {
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for (auto &it : m_dscVec) {
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if (it->getUUID() == uuid) {
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return it;
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}
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}
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return nullptr;
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} // getDescriptorByUUID
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/**
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* @brief Return the BLE Descriptor for the given handle.
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* @param [in] handle The handle of the descriptor.
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* @return A pointer to the descriptor object or nullptr if not found.
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*/
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NimBLEDescriptor *NimBLECharacteristic::getDescriptorByHandle(uint16_t handle) {
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for (auto &it : m_dscVec) {
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if (it->getHandle() == handle) {
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return it;
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}
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}
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return nullptr;
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}
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/**
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* @brief Get the handle of the characteristic.
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* @return The handle of the characteristic.
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*/
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uint16_t NimBLECharacteristic::getHandle() {
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return m_handle;
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} // getHandle
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/**
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* @brief Get the properties of the characteristic.
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* @return The properties of the characteristic.
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*/
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uint16_t NimBLECharacteristic::getProperties() {
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return m_properties;
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} // getProperties
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/**
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* @brief Get the service associated with this characteristic.
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*/
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NimBLEService* NimBLECharacteristic::getService() {
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return m_pService;
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} // getService
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void NimBLECharacteristic::setService(NimBLEService *pService) {
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m_pService = pService;
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}
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/**
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* @brief Get the UUID of the characteristic.
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* @return The UUID of the characteristic.
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*/
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NimBLEUUID NimBLECharacteristic::getUUID() {
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return m_uuid;
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} // getUUID
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/**
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* @brief Retrieve the current value of the characteristic.
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* @return The NimBLEAttValue containing the current characteristic value.
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*/
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NimBLEAttValue NimBLECharacteristic::getValue(time_t *timestamp) {
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if(timestamp != nullptr) {
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m_value.getValue(timestamp);
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}
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return m_value;
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} // getValue
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/**
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* @brief Retrieve the the current data length of the characteristic.
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* @return The length of the current characteristic data.
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*/
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size_t NimBLECharacteristic::getDataLength() {
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return m_value.size();
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}
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/**
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* @brief STATIC callback to handle events from the NimBLE stack.
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*/
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int NimBLECharacteristic::handleGapEvent(uint16_t conn_handle, uint16_t attr_handle,
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struct ble_gatt_access_ctxt *ctxt,
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void *arg)
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{
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if (conn_handle > BLE_HCI_LE_CONN_HANDLE_MAX)
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{
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NIMBLE_LOGW(LOG_TAG, "Conn_handle (%d) is above the maximum value (%d)", conn_handle, BLE_HCI_LE_CONN_HANDLE_MAX);
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return BLE_ATT_ERR_INVALID_HANDLE;
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}
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const ble_uuid_t *uuid;
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int rc;
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NimBLEConnInfo peerInfo;
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NimBLECharacteristic* pCharacteristic = (NimBLECharacteristic*)arg;
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NIMBLE_LOGD(LOG_TAG, "Characteristic %s %s event", pCharacteristic->getUUID().toString().c_str(),
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ctxt->op == BLE_GATT_ACCESS_OP_READ_CHR ? "Read" : "Write");
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uuid = ctxt->chr->uuid;
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if(ble_uuid_cmp(uuid, &pCharacteristic->getUUID().getNative()->u) == 0){
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switch(ctxt->op) {
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case BLE_GATT_ACCESS_OP_READ_CHR: {
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rc = ble_gap_conn_find(conn_handle, &peerInfo.m_desc);
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assert(rc == 0);
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// If the packet header is only 8 bytes this is a follow up of a long read
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// so we don't want to call the onRead() callback again.
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if(ctxt->om->om_pkthdr_len > 8 ||
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pCharacteristic->m_value.size() <= (ble_att_mtu(peerInfo.m_desc.conn_handle) - 3)) {
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pCharacteristic->m_pCallbacks->onRead(pCharacteristic, peerInfo);
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}
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ble_npl_hw_enter_critical();
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rc = os_mbuf_append(ctxt->om, pCharacteristic->m_value.data(), pCharacteristic->m_value.size());
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ble_npl_hw_exit_critical(0);
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return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
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}
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case BLE_GATT_ACCESS_OP_WRITE_CHR: {
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uint16_t att_max_len = pCharacteristic->m_value.max_size();
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if (ctxt->om->om_len > att_max_len) {
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return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN;
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}
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uint8_t buf[att_max_len];
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size_t len = ctxt->om->om_len;
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memcpy(buf, ctxt->om->om_data,len);
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os_mbuf *next;
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next = SLIST_NEXT(ctxt->om, om_next);
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while(next != NULL){
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if((len + next->om_len) > att_max_len) {
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return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN;
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}
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memcpy(&buf[len], next->om_data, next->om_len);
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len += next->om_len;
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next = SLIST_NEXT(next, om_next);
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}
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rc = ble_gap_conn_find(conn_handle, &peerInfo.m_desc);
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assert(rc == 0);
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pCharacteristic->setValue(buf, len);
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pCharacteristic->m_pCallbacks->onWrite(pCharacteristic, peerInfo);
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return 0;
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}
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default:
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break;
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}
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}
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return BLE_ATT_ERR_UNLIKELY;
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}
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/**
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* @brief Get the number of clients subscribed to the characteristic.
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* @returns Number of clients subscribed to notifications / indications.
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*/
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size_t NimBLECharacteristic::getSubscribedCount() {
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return m_subscribedVec.size();
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}
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/**
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* @brief Set the subscribe status for this characteristic.\n
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* This will maintain a vector of subscribed clients and their indicate/notify status.
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*/
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void NimBLECharacteristic::setSubscribe(struct ble_gap_event *event) {
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NimBLEConnInfo peerInfo;
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if(ble_gap_conn_find(event->subscribe.conn_handle, &peerInfo.m_desc) != 0) {
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return;
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}
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uint16_t subVal = 0;
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if(event->subscribe.cur_notify > 0 && (m_properties & NIMBLE_PROPERTY::NOTIFY)) {
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subVal |= NIMBLE_SUB_NOTIFY;
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}
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if(event->subscribe.cur_indicate && (m_properties & NIMBLE_PROPERTY::INDICATE)) {
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subVal |= NIMBLE_SUB_INDICATE;
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}
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NIMBLE_LOGI(LOG_TAG, "New subscribe value for conn: %d val: %d",
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event->subscribe.conn_handle, subVal);
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if(!event->subscribe.cur_indicate && event->subscribe.prev_indicate) {
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NimBLEDevice::getServer()->clearIndicateWait(event->subscribe.conn_handle);
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}
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auto it = m_subscribedVec.begin();
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for(;it != m_subscribedVec.end(); ++it) {
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if((*it).first == event->subscribe.conn_handle) {
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break;
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}
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}
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if(subVal > 0) {
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if(it == m_subscribedVec.end()) {
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m_subscribedVec.push_back({event->subscribe.conn_handle, subVal});
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} else {
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(*it).second = subVal;
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}
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} else if(it != m_subscribedVec.end()) {
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m_subscribedVec.erase(it);
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}
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m_pCallbacks->onSubscribe(this, peerInfo, subVal);
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}
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/**
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* @brief Send an indication.
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*/
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void NimBLECharacteristic::indicate() {
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notify(false);
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} // indicate
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/**
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* @brief Send an indication.
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* @param[in] value A pointer to the data to send.
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* @param[in] length The length of the data to send.
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*/
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void NimBLECharacteristic::indicate(const uint8_t* value, size_t length) {
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notify(value, length, false);
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} // indicate
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/**
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* @brief Send an indication.
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* @param[in] value A std::vector<uint8_t> containing the value to send as the notification value.
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*/
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void NimBLECharacteristic::indicate(const std::vector<uint8_t>& value) {
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notify(value.data(), value.size(), false);
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} // indicate
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/**
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* @brief Send a notification or indication.
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* @param[in] is_notification if true sends a notification, false sends an indication.
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* @param[in] conn_handle Connection handle to send individual notification, or BLE_HCI_LE_CONN_HANDLE_MAX + 1 to send notification to all subscribed clients.
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*/
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void NimBLECharacteristic::notify(bool is_notification, uint16_t conn_handle) {
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notify(m_value.data(), m_value.length(), is_notification, conn_handle);
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} // notify
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/**
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* @brief Send a notification or indication.
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* @param[in] value A std::vector<uint8_t> containing the value to send as the notification value.
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* @param[in] is_notification if true sends a notification, false sends an indication.
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* @param[in] conn_handle Connection handle to send individual notification, or BLE_HCI_LE_CONN_HANDLE_MAX + 1 to send notification to all subscribed clients.
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*/
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void NimBLECharacteristic::notify(const std::vector<uint8_t>& value, bool is_notification, uint16_t conn_handle) {
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notify(value.data(), value.size(), is_notification, conn_handle);
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} // notify
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/**
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* @brief Send a notification or indication.
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* @param[in] value A pointer to the data to send.
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* @param[in] length The length of the data to send.
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* @param[in] is_notification if true sends a notification, false sends an indication.
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* @param[in] conn_handle Connection handle to send individual notification, or BLE_HCI_LE_CONN_HANDLE_MAX + 1 to send notification to all subscribed clients.
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*/
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void NimBLECharacteristic::notify(const uint8_t* value, size_t length, bool is_notification, uint16_t conn_handle) {
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NIMBLE_LOGD(LOG_TAG, ">> notify: length: %d", length);
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if(!(m_properties & NIMBLE_PROPERTY::NOTIFY) &&
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!(m_properties & NIMBLE_PROPERTY::INDICATE))
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{
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NIMBLE_LOGE(LOG_TAG,
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"<< notify-Error; Notify/indicate not enabled for characteristic: %s",
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std::string(getUUID()).c_str());
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}
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if (m_subscribedVec.size() == 0) {
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NIMBLE_LOGD(LOG_TAG, "<< notify: No clients subscribed.");
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return;
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}
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m_pCallbacks->onNotify(this);
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bool reqSec = (m_properties & BLE_GATT_CHR_F_READ_AUTHEN) ||
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(m_properties & BLE_GATT_CHR_F_READ_AUTHOR) ||
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(m_properties & BLE_GATT_CHR_F_READ_ENC);
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int rc = 0;
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for (auto &it : m_subscribedVec) {
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// check if need a specific client
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if ((conn_handle <= BLE_HCI_LE_CONN_HANDLE_MAX) && (it.first != conn_handle)) {
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continue;
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}
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uint16_t _mtu = getService()->getServer()->getPeerMTU(it.first) - 3;
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// check if connected and subscribed
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if(_mtu == 0 || it.second == 0) {
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continue;
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}
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// check if security requirements are satisfied
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if(reqSec) {
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struct ble_gap_conn_desc desc;
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rc = ble_gap_conn_find(it.first, &desc);
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if(rc != 0 || !desc.sec_state.encrypted) {
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continue;
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}
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}
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if (length > _mtu) {
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NIMBLE_LOGW(LOG_TAG, "- Truncating to %d bytes (maximum notify size)", _mtu);
|
|
}
|
|
|
|
if(is_notification && (!(it.second & NIMBLE_SUB_NOTIFY))) {
|
|
NIMBLE_LOGW(LOG_TAG,
|
|
"Sending notification to client subscribed to indications, sending indication instead");
|
|
is_notification = false;
|
|
}
|
|
|
|
if(!is_notification && (!(it.second & NIMBLE_SUB_INDICATE))) {
|
|
NIMBLE_LOGW(LOG_TAG,
|
|
"Sending indication to client subscribed to notification, sending notification instead");
|
|
is_notification = true;
|
|
}
|
|
|
|
// don't create the m_buf until we are sure to send the data or else
|
|
// we could be allocating a buffer that doesn't get released.
|
|
// We also must create it in each loop iteration because it is consumed with each host call.
|
|
os_mbuf *om = ble_hs_mbuf_from_flat(value, length);
|
|
|
|
if(!is_notification && (m_properties & NIMBLE_PROPERTY::INDICATE)) {
|
|
if(!NimBLEDevice::getServer()->setIndicateWait(it.first)) {
|
|
NIMBLE_LOGE(LOG_TAG, "prior Indication in progress");
|
|
os_mbuf_free_chain(om);
|
|
return;
|
|
}
|
|
|
|
rc = ble_gattc_indicate_custom(it.first, m_handle, om);
|
|
if(rc != 0){
|
|
NimBLEDevice::getServer()->clearIndicateWait(it.first);
|
|
}
|
|
} else {
|
|
ble_gattc_notify_custom(it.first, m_handle, om);
|
|
}
|
|
}
|
|
|
|
NIMBLE_LOGD(LOG_TAG, "<< notify");
|
|
} // Notify
|
|
|
|
|
|
/**
|
|
* @brief Set the callback handlers for this characteristic.
|
|
* @param [in] pCallbacks An instance of a NimBLECharacteristicCallbacks class\n
|
|
* used to define any callbacks for the characteristic.
|
|
*/
|
|
void NimBLECharacteristic::setCallbacks(NimBLECharacteristicCallbacks* pCallbacks) {
|
|
if (pCallbacks != nullptr){
|
|
m_pCallbacks = pCallbacks;
|
|
} else {
|
|
m_pCallbacks = &defaultCallback;
|
|
}
|
|
} // setCallbacks
|
|
|
|
|
|
/**
|
|
* @brief Get the callback handlers for this characteristic.
|
|
*/
|
|
NimBLECharacteristicCallbacks* NimBLECharacteristic::getCallbacks() {
|
|
return m_pCallbacks;
|
|
} //getCallbacks
|
|
|
|
|
|
/**
|
|
* @brief Set the value of the characteristic from a data buffer .
|
|
* @param [in] data The data buffer to set for the characteristic.
|
|
* @param [in] length The number of bytes in the data buffer.
|
|
*/
|
|
void NimBLECharacteristic::setValue(const uint8_t* data, size_t length) {
|
|
#if CONFIG_NIMBLE_CPP_LOG_LEVEL >= 4
|
|
char* pHex = NimBLEUtils::buildHexData(nullptr, data, length);
|
|
NIMBLE_LOGD(LOG_TAG, ">> setValue: length=%d, data=%s, characteristic UUID=%s",
|
|
length, pHex, getUUID().toString().c_str());
|
|
free(pHex);
|
|
#endif
|
|
|
|
m_value.setValue(data, length);
|
|
NIMBLE_LOGD(LOG_TAG, "<< setValue");
|
|
} // setValue
|
|
|
|
|
|
/**
|
|
* @brief Set the value of the characteristic from a `std::vector<uint8_t>`.\n
|
|
* @param [in] vec The std::vector<uint8_t> reference to set the characteristic value from.
|
|
*/
|
|
void NimBLECharacteristic::setValue(const std::vector<uint8_t>& vec) {
|
|
return setValue((uint8_t*)&vec[0], vec.size());
|
|
}// setValue
|
|
|
|
|
|
/**
|
|
* @brief Return a string representation of the characteristic.
|
|
* @return A string representation of the characteristic.
|
|
*/
|
|
std::string NimBLECharacteristic::toString() {
|
|
std::string res = "UUID: " + m_uuid.toString() + ", handle : 0x";
|
|
char hex[5];
|
|
snprintf(hex, sizeof(hex), "%04x", m_handle);
|
|
res += hex;
|
|
res += " ";
|
|
if (m_properties & BLE_GATT_CHR_PROP_READ ) res += "Read ";
|
|
if (m_properties & BLE_GATT_CHR_PROP_WRITE) res += "Write ";
|
|
if (m_properties & BLE_GATT_CHR_PROP_WRITE_NO_RSP) res += "WriteNoResponse ";
|
|
if (m_properties & BLE_GATT_CHR_PROP_BROADCAST) res += "Broadcast ";
|
|
if (m_properties & BLE_GATT_CHR_PROP_NOTIFY) res += "Notify ";
|
|
if (m_properties & BLE_GATT_CHR_PROP_INDICATE) res += "Indicate ";
|
|
return res;
|
|
} // toString
|
|
|
|
|
|
/**
|
|
* @brief Callback function to support a read request.
|
|
* @param [in] pCharacteristic The characteristic that is the source of the event.
|
|
* @param [in] connInfo A reference to a NimBLEConnInfo instance containing the peer info.
|
|
*/
|
|
void NimBLECharacteristicCallbacks::onRead(NimBLECharacteristic* pCharacteristic, NimBLEConnInfo& connInfo) {
|
|
NIMBLE_LOGD("NimBLECharacteristicCallbacks", "onRead: default");
|
|
} // onRead
|
|
|
|
|
|
/**
|
|
* @brief Callback function to support a write request.
|
|
* @param [in] pCharacteristic The characteristic that is the source of the event.
|
|
* @param [in] connInfo A reference to a NimBLEConnInfo instance containing the peer info.
|
|
*/
|
|
void NimBLECharacteristicCallbacks::onWrite(NimBLECharacteristic* pCharacteristic, NimBLEConnInfo& connInfo) {
|
|
NIMBLE_LOGD("NimBLECharacteristicCallbacks", "onWrite: default");
|
|
} // onWrite
|
|
|
|
|
|
/**
|
|
* @brief Callback function to support a Notify request.
|
|
* @param [in] pCharacteristic The characteristic that is the source of the event.
|
|
*/
|
|
void NimBLECharacteristicCallbacks::onNotify(NimBLECharacteristic* pCharacteristic) {
|
|
NIMBLE_LOGD("NimBLECharacteristicCallbacks", "onNotify: default");
|
|
} // onNotify
|
|
|
|
|
|
/**
|
|
* @brief Callback function to support a Notify/Indicate Status report.
|
|
* @param [in] pCharacteristic The characteristic that is the source of the event.
|
|
* @param [in] code Status return code from the NimBLE stack.
|
|
* @details The status code for success is 0 for notifications and BLE_HS_EDONE for indications,
|
|
* any other value is an error.
|
|
*/
|
|
void NimBLECharacteristicCallbacks::onStatus(NimBLECharacteristic* pCharacteristic, int code) {
|
|
NIMBLE_LOGD("NimBLECharacteristicCallbacks", "onStatus: default");
|
|
} // onStatus
|
|
|
|
|
|
/**
|
|
* @brief Callback function called when a client changes subscription status.
|
|
* @param [in] pCharacteristic The characteristic that is the source of the event.
|
|
* @param [in] connInfo A reference to a NimBLEConnInfo instance containing the peer info.
|
|
* @param [in] subValue The subscription status:
|
|
* * 0 = Un-Subscribed
|
|
* * 1 = Notifications
|
|
* * 2 = Indications
|
|
* * 3 = Notifications and Indications
|
|
*/
|
|
void NimBLECharacteristicCallbacks::onSubscribe(NimBLECharacteristic* pCharacteristic,
|
|
NimBLEConnInfo& connInfo,
|
|
uint16_t subValue)
|
|
{
|
|
NIMBLE_LOGD("NimBLECharacteristicCallbacks", "onSubscribe: default");
|
|
}
|
|
|
|
#endif /* CONFIG_BT_ENABLED && CONFIG_BT_NIMBLE_ROLE_PERIPHERAL */
|