API Reference

• Wi-Fi
  • Wi-Fi
  • Smart Config
  • ESPNOW
• Mesh
  • ESP Mesh
• Bluetooth
  • Bluetooth Controller && VHCI
  • Bluetooth Common
  • Bluetooth LE
  • Bluetooth Classic
• Ethernet
  • Ethernet
• Peripherals
  • ADC
  • DAC
  • GPIO (including RTC low power I/O)
  • I2C
  • I2S
  • LED Control
  • MCPWM
  • Pulse Counter
  • Remote Control
  • SDMMC Host
  • SD SPI Host
  • SDIO Slave
  • Sigma-delta Modulation
  • SPI Master
  • SPI Slave
  • Timer
  • Touch Sensor
  • UART
• Protocols
  • mDNS
  • ESP-TLS
  • HTTP Client
• Storage
  • SPI Flash and Partition APIs
  • SD/SDIO/MMC Driver
  • Non-Volatile Storage
  • NVS Partition Generation Utility
  • Virtual Filesystem
  • FAT Filesystem
  • Wear Levelling
  • SPIFFS Filesystem
• System
  • FreeRTOS
  • FreeRTOS Additions
  • Heap Memory Allocation
  • Heap Memory Debugging
  • Interrupt Allocation
  • Watchdogs
  • Inter-Processor Call
  • High Resolution Timer
  • Logging
  • Application Level Tracing
  • Power Management
  • Sleep Modes
  • Base MAC address
  • Over The Air Updates (OTA)
  • ESP HTTPS OTA
  • ESP pthread
  • Error Codes and Helper Functions
• Configuration Options
  • Introduction
  • Using sdkconfig.defaults
  • Configuration Options Reference
  • Customisations
• Error Codes Reference