// Copyright 2015-2026 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #ifndef ESP32_HAL_BT_MEM_H #define ESP32_HAL_BT_MEM_H #include "soc/soc_caps.h" #include "sdkconfig.h" #if defined(SOC_BT_CLASSIC_SUPPORTED) || defined(SOC_BLE_SUPPORTED) #include #ifdef __cplusplus extern "C" { #endif // Flag defined in esp32-hal-bt.c, set by constructors when BT libraries are linked extern bool _btLibraryInUse; // Constructor runs before app_main(), setting the flag if any BT library is used. // Multiple libraries including this header just set the same flag to true. __attribute__((constructor)) static void _setBtLibraryInUse(void) { _btLibraryInUse = true; } #ifdef __cplusplus } #endif #endif /* SOC_BT_SUPPORTED */ #endif /* ESP32_HAL_BT_MEM_H */