API Guides ********** :link_to_translation:`zh_CN:[中文]` .. toctree:: :maxdepth: 1 Application Level Tracing BluFi Bootloader Build System Build System (Legacy GNU Make) Console Component Deep Sleep Wake Stubs Error Handling ESP-MESH ESP32 Core Dump Event Handling External SPI-connected RAM Fatal Errors Flash Encryption <../security/flash-encryption> FreeRTOS SMP Changes General Notes High Level Interrupts JTAG Debugging Linker Script Generation lwIP TCP/IP Stack Partition Tables RF Calibration ROM debug console Secure Boot <../security/secure-boot> Thread Local Storage Tools ULP Coprocessor (Legacy GNU Make) ULP Coprocessor Unit Testing (Legacy GNU Make) Unit Testing WiFi Driver