xtensa

Free and open (as much as possible) integrated SDK for ESP8266/ESP8285 chips

All CPU and MCU documentation in one place

The OpenSource Disassembler

ESP32 software USB host through general IO pins. We can connect up to 4 USB-LS HID (keyboard mouse joystick) devices simultaneously.

A compiler for ARM, X86, MSP430, xtensa and more implemented in pure Python

A kernel written in Rust

Implementation of target-xtensa for QEMU.

Peripheral Access Crates for Espressif SoCs and modules

Forth for ESP-8266

Linux port for xtensa architecture. None of these branches are stable.

Interpreter experiment. Testing dispatch methods: Switching, Direct/Indirect Threaded Code, Tail-Calls and Inlining

IDAPython plugin for Tensilica Xtensa (as seen in ESP8266), version 2

Xtensa CPU architecture (ESP8266) binaries for ScratchABit interactive disassembler

Generating the call graph from elf binary file

ESPxRGB is an Arduino/ESP-IDF library of RGB, RGBW, HSV conversion functions and Gamma Correction written in Xtensa assembler for ESP SoCs with Xtensa cores (ESP32).

Board Support Package for the WEMOS/LOLIN D1 mini

ESP32 Firmware Patching Framework with Streamlined Binary/Runtime Patching Methods. Used in conjunction with Platformio and Ghidra.

A simple driver for ESP8266 enthusiasts out there to drive MCP23017 16-bit IO Expander

ESP8266 and ESP32 ports of RIOT-OS, for detailed information about RIOT-OS see