---
title: "RyanW5500"
url: "https://maker.wiznet.io/scarlet/projects/ryanw5500/"
markdown_url: "https://maker.wiznet.io/scarlet/projects/ryanw5500/md"
type: "UCC: User Created Content"
author: "RyanCW"
author_url: "https://github.com/Ryan-CW-Code/RyanW5500"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "RyanCW"
original_url: "https://github.com/Ryan-CW-Code/RyanW5500"
published: "2023-11-30"
language: "en"
likes: 0
views: 258
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# RyanW5500

> W5500 BSD socket implementation

Original author: RyanCW (source: https://github.com/Ryan-CW-Code/RyanW5500)

## Article

### **"RyanW5500 and RT-Thread: Innovative IoT Networking Solutions"Overview** The RyanW5500 project represents a groundbreaking networking initiative on the RT-Thread platform, utilizing the W5500 Ethernet chip. Complying with POSIX 2017 and network standards, it implements select common BSD socket APIs optimized for Real-Time Operating Systems (RTOS). This software is characterized by its DHCP auto-renewal and minimal resource utilization, ensuring compatibility with RT-Thread's sal and netdev components.

**Features and Configuration**

- **W5500 Initialization and Setup**: The **w5500Start** function initializes the W5500 module, setting up network information such as MAC address, IP, subnet mask, gateway, and DNS. It supports automatic IP assignment with DHCP enabled.

- **TCP/UDP Services**: It configures and runs TCP and UDP echo servers (**tcpEchoTask**, **udpEchoServiceTask**), transmitting data received over the network back to the client.

- **Multicast and Broadcast Support**: The **multicastEchoServiceTask** and **w5500Broadcast** functions handle multicast and broadcast messages, enabling simultaneous data transmission to multiple devices within the network.

- **Network Information and Settings Management**: Functions like **w5500Static**, **w5500Dhcp**, **w5500GetNetInfo** manage network settings and monitor current statuses.

- **Domain Name Resolution**: The **w5500GetHostByName** and **w5500GetAddrInfo** functions translate domain names into IP addresses.

- **Command Interface**: The **RyanW5500Msh** function offers an interface for users to input commands and execute various network tasks.

---

Source: https://maker.wiznet.io/scarlet/projects/ryanw5500/