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//
Developers // Micrium OS // Micrium USB Host

USB Host

USB communication is asymmetrical, with most of the intelligence residing in the host side of the protocol. As a result, implementing a host can be particularly challenging. Micrium OS can help with its full-featured USB host stack.

  1. Overview
  2. Getting Started
  3. Tech Docs
  4. Community & Support
  1. Overview

USB Host Highlights

 Compact stack ideal for use on resource-constrained devices

 Efficient, multi-task architecture

 Intuitive API enabling numerous endpoint and bus-management operations

 Support for external hubs

 Test cases and test harness for verifying stack integration

 

USB Host Class Support

Micrium's USB host module includes CDC ACM, HID, and MSC class drivers.

Classes   Example Device Type
Hub   External USB hubs with any number of ports
Android Open Accessory Protocol (AOAP)   Android devices in accessory mode
Communications Device Class Abstract Control Model (CDC ACM)   USB Modems and USB-to-serial adapters
Human Interface Device (HID)   Keyboards, Mice and Vendor-specific HID devices
Mass Storage Class (MSC)   Flash drives, Hard disk drives and CD/DVD drives
USB-to-Serial Class   USB-To-serial adapters from Future Technology Devices International, Silicon Labs and Prolific
  1. Getting Started

Download and Install Simplicity Studio

The Micrium OS USB host stack is distributed exclusively through Simplicity Studio.  Within Studio, you’ll find software examples based on the host stack. To install Studio, choose the appropriate software package below. 

Windows Installer
Mac Installer
Linux Installer
*Simplicity Studio v5 User Guide

Hardware Support

The Micrium OS USB host stack can be run on EFM32 MCUs.  Check Simplicity Studio for example projects targeting your preferred part. 



Simplicity Studio Versions

Studio Version 5

Studio Version 4


Related Resources

Micrium OS Examples: 57 hidden gems you may not know about

  1. Tech Docs

Micrium OS USB Host Software Manuals

Micrium OS USB Host API References

  1. Community & Support

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