API Guides ********** :link_to_translation:`zh_CN:[中文]` .. toctree:: :maxdepth: 1 Application Level Tracing <app_trace> BluFi <blufi> Bootloader <bootloader> Build System <build-system> Build System (Legacy GNU Make) <build-system-legacy> Console Component <console> Deep Sleep Wake Stubs <deep-sleep-stub> Error Handling <error-handling> ESP-BLE-MESH <esp-ble-mesh/ble-mesh-index> ESP-MESH (Wi-Fi) <mesh> ESP32 Core Dump <core_dump> Event Handling <event-handling> External SPI-connected RAM <external-ram> Fatal Errors <fatal-errors> Flash Encryption <../security/flash-encryption> FreeRTOS SMP Changes <freertos-smp> General Notes <general-notes> High Level Interrupts <hlinterrupts> JTAG Debugging <jtag-debugging/index> Linker Script Generation <linker-script-generation> lwIP TCP/IP Stack <lwip> Partition Tables <partition-tables> RF Calibration <RF_calibration> ROM debug console <romconsole> Secure Boot <../security/secure-boot> Thread Local Storage <thread-local-storage> Tools <tools/index> ULP Coprocessor (CMake) <ulp-cmake> ULP Coprocessor (Legacy GNU Make) <ulp-legacy> ULP Coprocessor <ulp> Unit Testing (Legacy GNU Make) <unit-tests-legacy> Unit Testing <unit-tests> WiFi Driver <wifi>