AsyncWebServer_Teensy41 Library

Projects Libraries
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AsyncWebServer_Teensy41 library GitHub release
How To Install Using Arduino Library Manager

This library is based on, modified from:

  1. Hristo Gochkov's ESPAsyncWebServer

to apply the better and faster asynchronous feature of the powerful ESPAsyncWebServer Library into Teensy 4.1 using built-in QNEthernet

Why Async is better

  • Using asynchronous network means that you can handle more than one connection at the same time
  • You are called once the request is ready and parsed
  • When you send the response, you are immediately ready to handle other connections while the server is taking care of sending the response in the background
  • Speed is OMG
  • Easy to use API, HTTP Basic and Digest MD5 Authentication (default), ChunkedResponse
  • Easily extensible to handle any type of content
  • Supports Continue 100
  • Async WebSocket plugin offering different locations without extra servers or ports
  • Async EventSource (Server-Sent Events) plugin to send events to the browser
  • URL Rewrite plugin for conditional and permanent url rewrites
  • ServeStatic plugin that supports cache, Last-Modified, default index and more
  • Simple template processing engine to handle templates

Currently supported Boards

  1. Teensy 4.1 using QNEthernet Library

Changelog

Releases v1.4.1

  1. Initial porting and coding for Teensy 4.1 using built-in QNEthernet
  2. Bump up version to v1.4.1 to sync with AsyncWebServer_STM32 v1.4.1

Debug Termimal Output Samples

1. Async_AdvancedWebServer on Teensy4.1 QNEthernet

Following are debug terminal output and screen shots when running example Async_AdvancedWebServer on Teensy4.1 using Built-in Ethernet and QNEthernet Library demonstrate the operation of AsyncWebServer.

Start Async_AdvancedWebServer on TEENSY 4.1 with Teensy4.1 QNEthernet
AsyncWebServer_Teensy41 v1.4.1
Initialize Ethernet using DHCP => Connected! IP address:192.168.2.107
HTTP EthernetWebServer is @ IP : 192.168.2.107

Async_AdvancedWebServer

2. MQTTClient_Auth on Teensy4.1 QNEthernet

Following is debug terminal output when running example MQTTClient_Auth on Teensy4.1 using Built-in Ethernet and QNEthernet Library.

Start MQTTClient_Auth on TEENSY 4.1 with Teensy4.1 QNEthernet
AsyncWebServer_Teensy41 v1.4.1
Initialize Ethernet using DHCP => Connected! IP address:192.168.2.107
Attempting MQTT connection to broker.emqx.io...connected
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on TEENSY 4.1 with Teensy4.1 QNEthernet
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on TEENSY 4.1 with Teensy4.1 QNEthernet
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on TEENSY 4.1 with Teensy4.1 QNEthernet
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on TEENSY 4.1 with Teensy4.1 QNEthernet
Message Send : MQTT_Pub => Hello from MQTTClient_Auth on TEENSY 4.1 with Teensy4.1 QNEthernet
Message arrived [MQTT_Pub] Hello from MQTTClient_Auth on TEENSY 4.1 with Teensy4.1 QNEthernet
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