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USB LINUX DEVICE DRIVER PROGRAMMING

PREREQUISITE : Advanced C, Linux Systems and Character Driver Programming

The Linux kernel supports two main types of USB drivers: drivers on a host system and drivers on a device. The USB drivers for a host system control the USB devices that are plugged into it, from the host's point of view USB host is a desktop computer. The USB drivers in a device, control how that single device looks to the host computer as a USB device.

 

CH1: UNDERSTANDING USB DEVICE DRIVER AND USB SUBSYSTEM IN LINUX

USB Device Basics

USB Driver types

USB device detection in Linux

Defferents types of data transfers

USB and Sysfs

USB Request Block

Writing a USB Driver

Registering a USB Driver

Hands-On Assignments

 

Lab1:Installing a and writing a simple USB device driver.The driver should register itself with the USB subsystem upon loading and unregister upon unloading.

Lab2: Write a USB device driver to print out information abot configuration , interfaces and endpoint for a registered usb device.

 

CH2: USB GADGET DEVICE DRIVER ON BEAGLEBONE

Linux USB Gadget & Host Drivers

USB Gadget Driver Mechanism

USB Host Driver Mechanism

USB Core & Hot Plug n Play

USB Gadget Transfer Functions

Integration with a Vertical

Types of USB Device Drivers

Register a composite driver

Structure of usb_composite_driver

Structure of struct usb_function

 

Hands-On Assignment on Embedded Board

Lab1:Beaglebone Black as standard USB Gadget Devices

Lab2:First take at a USB Gadget Driver

Lab3:Getting down to the hardware of BBB

Lab4:Creating Interface for USB Gadget Driver

Lab5:Creating Endpoint for USB Gadget Driver

Lab6:LoopBack USB Gadget Device Driver

Lab7:Creating Multiple Interface for USB Gadget Driver

Lab8:Controlling using custom USB Host Driver & App

Lab9:Controlling BBB GPIO LED through USB Drivers

 

 

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