Texas Instruments BIOSUSB Manual de usuario

Template Version 1.4

User Guide

BIOSUSB User Guide

01.10.01

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BIOSUSB Release Notes

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BIOSUSB Release Notes

IMPORTANT NOTICE

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time of sale in accordance with TI’s standard warranty. Testing and other quality control

techniques are used to the extent TI deems necessary to support this warranty. Except

where mandated by government requirements, testing of all parameters of each product is

not necessarily performed.

TI assumes no liability for applications assistance or customer product design. Customers

are responsible for their products and applications using TI components. To minimize the

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BIOSUSB User Guide

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BIOSUSB User Guide

TABLE OF CONTENTS

1 Introduction................................................................................................. 7

1.1 Terms & Abbreviations............................................................................7

1.2 References ............................................................................................7

2 Installation Guide......................................................................................... 8

2.1 System Requirements.............................................................................8

2.2 Installation and configuration of dependent packages. ................................8

3 Folder Structure ......................................................................................... 10

4 USB Host Stack Architecture ...................................................................... 12

4.1 Host Core Stack ...................................................................................12

4.2 Host Class (MSC) Driver........................................................................12

4.3 Host Class (HID) Driver.........................................................................12

4.4 Host Generic Services ...........................................................................13

4.5 Platform Abstraction and Native OS Abstraction .......................................13

4.6 Host Stack Component Libraries and Dependencies ..................................13

4.7 Host Stack Component Build Options ......................................................13

4.8 Platform specific library.........................................................................14

4.9 Use Case: USB Host Mass Storage Functionality.......................................14

4.10 Use Case: USB Host HID Functionality ....................................................14

5 USB Device Stack Architecture ................................................................... 15

5.1 Device Core Stack ................................................................................15

5.2 Device (MSC) Function Driver ................................................................15

5.3 Device (HID) Function Driver.................................................................15

5.4 Device Generic Services ........................................................................15

5.5 Platform Abstraction and Native OS Abstraction .......................................16

5.6 Device Stack Component Libraries and Dependencies ...............................16

5.7 Device Stack Component Build Options ...................................................16

5.8 Use Case: USB Device Mass Storage Functionality....................................17

5.9 Use Case: USB Device HID Functionality .................................................17

6 Building and Running USB Application Example ......................................... 18

6.1 Building the USB MSC Device example for NAND OR MMC/SD OR

SATA. .................................................................................................18

6.2 Building the USB HID (keyboard) Device example. ...................................19

6.3 Building the USB Host Mass Storage example. .........................................19

6.4 Building the USB Host HID (keyboard/mouse) example.............................20

7 Technical Support BIOSUSB ....................................................................... 21

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BIOSUSB User Guide

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BIOSUSB User Guide

1 Introduction

The BIOS USB Package (based on JUNGO USB stack) provides capability to incorporate a

USB host or USB device functionality for an embedded device. This document describes the

USB host and device stack architecture, installation procedure and example use cases in TI

BIOS environment.

The BIOSUSB package supports both CCS3 and CCS4 for the following platforms

C6747/OMAPL137

C6748/OMAPL138

1.1 Terms & Abbreviations

Term Description

API Application Programming Interface

Port Platform and Operating system abstraction layer

JOS USB general services module

USB Device Platform capable of performing USB device functionality

USB Host Platform capable of performing USB host functionality

MSC Mass Storage Class

USB Universal Serial Bus

USBware Product name of Jungo’s USB host and device stack

1.2 References

#Document Description

1usb_device_stack.pdf USBware device stack details

2usb_host_stack.pdf USBware host stack details

3mass_storage_class_driver.pdf USBware mass storage driver details

4mass_storage_fd.pdf USBware mass storage function driver details

5hid_class_driver.pdf HID Class driver details

6hid_keyboard_fd.pdf HID keyboard function driver details

7hid_fd_lib.pdf HID function driver library reference

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BIOSUSB User Guide

2 Installation Guide

This chapter discusses the BIOS USB package installation procedure and how to

configure and run the usb host or device sample example provided along with the

package, refer to section-6.

2.1 System Requirements

The following products are required to be installed prior to using the BIOSUSB

Package for C6747/OMAPL37 and C6748/OMAPL138 platform:

For CCS3 Environment

CCS 3.3.80.11 (service release 10)

DSP-BIOS versioned 5.41.02.14

Code Generation Tools 6.1.9

EVM C6747/OMAPL37 (Rev-D recommended) or C6748/OMAPL138 Board

(Beta- version recommended)

XDS 510 USB Emulator (Optional) – EVM has on board emulator

For CCS4 Environment

CCS4 version 4.0.0.16000

DSP-BIOS versioned 5.41.02.14

XDS 510 USB Emulator (Optional) – EVM has on board emulator

Dependent Packages

EDMA 3 LLD – versioned 01.11.00.02

ERTFS File System package versioned 1.10.00.30 or higher version

PSP_DRIVERS Package - The BIOSPSP GA Package with versioned 1.30.00

2.2 Installation and configuration of dependent packages.

BIOS USB package is dependent on the following packages and as such expects

these packages to be installed and configured correctly prior to its installation and

usage.

I. EDMA3 LLD Driver package

II. RTFS package – Required for BIOS USB Host functionality. RTFS package is

needed for supporting MSC devices such as USB sticks, USB HDD’s etc.

III. PSP_DRIVERS Package

1. Install EDMA-3 LLD Driver into preferred drive/folder. Please refer the EDMA3

package installation guide. The environment variable ‘

EDMA3LLD_BIOS5_INSTALLDIR’ is used in the sample application projects for

referring to the EDMA3 driver libraries. This environment variable is created and

updated by the EDMA3 LLD driver during its installation. Please ensure that this

environment variable is pointing to the EDMA3 LLD install directory intended to be

used along with this package. This is more important when there are multiple EDMA

LLD installations as the installer updates this environment variable with latest

installation version. (eg. If EDMA LLD driver is installed into c:\edma3_lld\ the

environment variable is set to EDMA3LLD_BIOS5_INSTALLDIR=c:\edma3_lld).

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BIOSUSB User Guide

2. Install the RTFS Driver into preferred drive/folder. Please refer to the RTFS package

installation guide. The environment variable ‘RTFS_INSTALL_DIR’ is used in the

sample application project for referring to RTFS driver libraries. Please ensure that

this environment variable is pointing to the RTFS install directory intended to be used

along with this package.

3. Install BIOSPSP Package Driver into preferred drive/folder. Please refer to PSP

driver’s installation procedure. The environment variable

‘PSP_DRIVERS_INSTALL_DIR’ is used in the sample application project for referring

to libraries of PSP components like block media, PSC, platforms, MMC/SD, NAND, I2C

etc. Please ensure that this environment variable is pointing to the install directory of

PSP component intended to be used along with this package. (eg. If BIOSPSP

package is installed into c:\pspdrivers_1_30_00_06\ the environment variable is set

to PSP_DRIVERS_INSTALL_DIR = c:\pspdrivers_1_30_00_06).

4. Install the BIOS USB package using the self extracting installer. Figure-1 shows the

directory structure of BIOS USB Package after the installation. The installer will

create BIOSUSB_INSTALL_DIR environment variable pointing to BIOSUSB

installation directory. This environment variable is used in USB Host MSC application

examples of RTFS package.

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BIOSUSB User Guide

3 Folder Structure

Figure 1 illustrates the folder structure and placement of the BIOS USB package.

Figure 1: BIOSUSB directory structure

The folder ‘biosusb’ contains the following components

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