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AT application for ESP32/ESP32-C2/ESP32-C3/ESP32-C6/ESP8266

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ESP-AT

Documentation Version

esp-at project was started and powered by Espressif Systems (@espressif) as an official project, for the ESP32-C2, ESP32-C3, ESP32-C6, ESP32, and ESP8266 Series SoCs provided for Windows, Linux, and macOS.
It is now supported and maintained by Espressif esp-at team (@esp-at).

Introduction

Espressif Wi-Fi and Bluetooth® chipsets are often used as add-on modules to seamlessly integrate wireless connectivity features into new and existing products.
In an effort to facilitate this and cut down on engineering costs, Espressif Systems has developed a set of AT commands that can be used to interface with Espressif products.

"AT" means 'attention'. Each command string is prefixed with "AT", and a number of discrete commands can be concatenated after the "AT".

The AT command firmware allows for rapid integration by providing:

  • In-built TCP/IP stack and data buffering
  • Easy integration with resource-constrained host platforms
  • Easy-to-parse command-response protocols
  • Customized, user-defined AT commands

Resources

ESP-AT Support Policy for ESP Chip Series

  • ESP32-C2 Series

    • Preferred recommended chip for using ESP-AT on
    • Recommended released version: v3.1.0.0
  • ESP32-C3 Series

    • Preferred recommended chip for using ESP-AT on
    • Recommended released version: v3.2.0.0
  • ESP32-C6 Series

    • Preferred recommended chip for using ESP-AT on
    • The first version of ESP-AT firmware (v4.0.0.0) is planned to be released in October 2023.
  • ESP32 Series

    • Recommended released version: v3.2.0.0
  • ESP8266 Series

  • Other Series

    • ESP-AT will support ESP32-C5 series of chips.
    • ESP-AT will not support ESP32-S and ESP32-H series of chips.

ESP-AT 项目

esp-at 作为由 Espressif Systems (@espressif) 发起和提供技术支持的官方项目,适用于 Windows、Linux、macOS 上的 ESP32-C2ESP32-C3ESP32-C6ESP32、和 ESP8266 系列芯片。
当前该项目由 Espressif esp-at 团队 (@esp-at) 负责技术支持和维护。

简介

乐鑫 Wi-Fi 和蓝牙芯片可以用作附加模块,完美集成在其他现有产品上,提供无线通讯功能。 为降低客户开发成本,乐鑫开发了一套 AT 指令集,方便客户简单快速地使用 AT 指令来控制芯片。

乐鑫提供的 AT 指令固件具有以下特色,利于芯片集成到应用中:

  • 内置 TCP/IP 堆栈和数据缓冲
  • 能便捷地集成到资源受限的主机平台中
  • 主机对指令的回应易于解析
  • 用户可自定义 AT 指令

资源

ESP-AT 对不同芯片系列支持策略

  • ESP32-C2 系列

    • ESP-AT 首选推荐芯片
    • 推荐使用的发布版本:v3.1.0.0
  • ESP32-C3 系列

    • ESP-AT 首选推荐芯片
    • 推荐使用的发布版本:v3.2.0.0
  • ESP32-C6 系列

    • ESP-AT 首选推荐芯片
    • 计划在 2023 年 10 月发布首版 ESP-AT 固件(v4.0.0.0)
  • ESP32 系列

    • 推荐使用的发布版本:v3.2.0.0
  • ESP8266 系列

  • 其它系列

    • ESP-AT 将计划支持 ESP32-C5 系列芯片
    • ESP-AT 无计划支持 ESP32-S、ESP32-H 系列芯片

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AT application for ESP32/ESP32-C2/ESP32-C3/ESP32-C6/ESP8266

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