1API Guides
2**********
3:link_to_translation:`zh_CN:[中文]`
4
5.. toctree::
6    :maxdepth: 1
7
8    Application Level Tracing <app_trace>
9    Application Startup Flow <startup>
10    :SOC_BT_SUPPORTED: BluFi <blufi>
11    Bootloader <bootloader>
12    Build System <build-system>
13    :esp32: Build System (Legacy GNU Make) <build-system-legacy>
14    Deep Sleep Wake Stubs <deep-sleep-stub>
15    :SOC_USB_SUPPORTED: Device Firmware Upgrade through USB <dfu>
16    Error Handling <error-handling>
17    :SOC_BT_SUPPORTED: ESP-BLE-MESH <esp-ble-mesh/ble-mesh-index>
18    ESP-MESH (Wi-Fi) <mesh>
19    Core Dump <core_dump>
20    Event Handling <event-handling>
21    :SOC_SPIRAM_SUPPORTED: External SPI-connected RAM <external-ram>
22    Fatal Errors <fatal-errors>
23    Flash Encryption <../security/flash-encryption>
24    FreeRTOS SMP Changes <freertos-smp>
25    Hardware Abstraction <hardware-abstraction>
26    :CONFIG_IDF_TARGET_ARCH_XTENSA: High Level Interrupts <hlinterrupts>
27    JTAG Debugging <jtag-debugging/index>
28    Linker Script Generation <linker-script-generation>
29    Memory Types <memory-types>
30    lwIP TCP/IP Stack <lwip>
31    Partition Tables <partition-tables>
32    :esp32: RF Calibration <RF_calibration>
33    :esp32: ROM debug console <romconsole>
34    :esp32: Secure Boot <../security/secure-boot-v1>
35    Secure Boot V2 <../security/secure-boot-v2>
36    Thread Local Storage <thread-local-storage>
37    Tools <tools/index>
38    :SOC_ULP_SUPPORTED: ULP Coprocessor <ulp>
39    :esp32: ULP Coprocessor (Legacy GNU Make) <ulp-legacy>
40    :SOC_RISCV_COPROC_SUPPORTED: ULP-RISC-V Coprocessor <ulp-risc-v>
41    Unit Testing <unit-tests>
42    :esp32: Unit Testing (Legacy GNU Make) <unit-tests-legacy>
43    :SOC_USB_SUPPORTED: USB Console <usb-console>
44    WiFi Driver <wifi>
45