USB Mass Storage Device (MSD) Bootloader
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Project Log 2 2 LPC2148 USB Bootloader
Project Log 2 Project Title: USB MicroSD Card Reader EEE G512 Embedded System Design October 2018 Submitted by: Submitted to: Joy Parikh j 2016A3PS0136P Dr. Devesh Samaiya Rutwik Narendra Jain j 2015A3PS0726P 2 LPC2148 USB Bootloader The LPC2148 USB bootloader performs three steps: 1. The bootloader checks to see if a USB cable has been plugged in. If the LPC2148 detects the presence of a USB cable then it initiates a USB Mass Storage system. This will cause the target board to appear on any computer platform as a removable flash drive. The user can then seamlessly transfer files to the flash drive. In the background, the LPC2148 moves the user's files onto the SD card using the FAT16 file system. 2. The next thing the bootloader does is look for a firmware file (a file named FW.SFE). This file contains the desired operating firmware (in a binary file format) for the LPC2148 mi- croprocessor. If the bootloader finds this file on the FAT16 system then it programs the contents of this file to the flash memory of the LPC2148. In this way, the bootloader acts as a \programmer" for the LPC2148; and we can upgrade the firmware on the LPC2148 simply by loading a new file onto the micro SD card. 3. After performing the first two checks, the bootloader calls the main firmware. The main code should not even know that the bootloader was used and will run normally. 2.1 Details The USB device class used is MSCD (Mass Storage Class Device). The MSCD presents easy integration with PC's operating systems. -
Chapter 12: Mass-Storage Systems
Chapter 12: Mass-Storage Systems Overview of Mass Storage Structure Disk Structure Disk Attachment Disk Scheduling Disk Management Swap-Space Management RAID Structure Disk Attachment Stable-Storage Implementation Tertiary Storage Devices Operating System Issues Performance Issues Objectives Describe the physical structure of secondary and tertiary storage devices and the resulting effects on the uses of the devices Explain the performance characteristics of mass-storage devices Discuss operating-system services provided for mass storage, including RAID and HSM Overview of Mass Storage Structure Magnetic disks provide bulk of secondary storage of modern computers Drives rotate at 60 to 200 times per second Transfer rate is rate at which data flow between drive and computer Positioning time (random-access time) is time to move disk arm to desired cylinder (seek time) and time for desired sector to rotate under the disk head (rotational latency) Head crash results from disk head making contact with the disk surface That’s bad Disks can be removable Drive attached to computer via I/O bus Busses vary, including EIDE, ATA, SATA, USB, Fibre Channel, SCSI Host controller in computer uses bus to talk to disk controller built into drive or storage array Moving-head Disk Mechanism Overview of Mass Storage Structure (Cont.) Magnetic tape Was early secondary-storage medium Relatively permanent and holds large quantities of data Access time slow Random access ~1000 times slower than disk Mainly used for backup, storage of infrequently-used data, transfer medium between systems Kept in spool and wound or rewound past read-write head Once data under head, transfer rates comparable to disk 20-200GB typical storage Common technologies are 4mm, 8mm, 19mm, LTO-2 and SDLT Disk Structure Disk drives are addressed as large 1-dimensional arrays of logical blocks, where the logical block is the smallest unit of transfer. -
Use External Storage Devices Like Pen Drives, Cds, and Dvds
External Intel® Learn Easy Steps Activity Card Storage Devices Using external storage devices like Pen Drives, CDs, and DVDs loading Videos Since the advent of computers, there has been a need to transfer data between devices and/or store them permanently. You may want to look at a file that you have created or an image that you have taken today one year later. For this it has to be stored somewhere securely. Similarly, you may want to give a document you have created or a digital picture you have taken to someone you know. There are many ways of doing this – online and offline. While online data transfer or storage requires the use of Internet, offline storage can be managed with minimum resources. The only requirement in this case would be a storage device. Earlier data storage devices used to mainly be Floppy drives which had a small storage space. However, with the development of computer technology, we today have pen drives, CD/DVD devices and other removable media to store and transfer data. With these, you store/save/copy files and folders containing data, pictures, videos, audio, etc. from your computer and even transfer them to another computer. They are called secondary storage devices. To access the data stored in these devices, you have to attach them to a computer and access the stored data. Some of the examples of external storage devices are- Pen drives, CDs, and DVDs. Introduction to Pen Drive/CD/DVD A pen drive is a small self-powered drive that connects to a computer directly through a USB port. -
UG103.6: Bootloader Fundamentals
UG103.6: Bootloader Fundamentals This document introduces bootloading for Silicon Labs network- ing devices. It describes the concepts of standalone and applica- KEY POINTS tion bootloaders and discusses their relative strengths and weak- • Introduces the Gecko Bootloader. nesses. In addition, it looks at design and implementation details • Summarizes the key features the for each method. Finally, it describes the bootloader file format. bootloaders support and the design decisions associated with selecting a Silicon Labs’ Fundamentals series covers topics that project managers, application de- bootloader. signers, and developers should understand before beginning to work on an embedded • Describes bootloader file formats. networking solution using Silicon Labs chips, networking stacks such as EmberZNet PRO or Silicon Labs Bluetooth®, and associated development tools. The documents can be used as a starting place for anyone needing an introduction to developing wire- less networking applications, or who is new to the Silicon Labs development environ- ment. silabs.com | Building a more connected world. Rev. 1.7 UG103.6: Bootloader Fundamentals Introduction 1. Introduction The bootloader is a program stored in reserved flash memory that can initialize a device, update firmware images, and possibly perform some integrity checks. Firmware image update occurs on demand, either by serial communication or over the air. Production-level pro- gramming is typically done during the product manufacturing process yet it is desirable to be able to reprogram the system after produc- tion is complete. More importantly, it is valuable to be able to update the device's firmware with new features and bug fixes after deploy- ment. The firmware image update capability makes that possible. -
Perfect Devices: the Amazing Endurance of Hard Disk Drives Giora J
T TarnoTek Perfect Devices: The Amazing Endurance of Hard Disk Drives Giora J. Tarnopolsky TARNOTEK & INSIC - Information Storage Industry Consortium www.tarnotek.com [email protected] www.insic.org 2004 - Mass Storage Systems & Technologies Outline z Perfect Inventions z Hard Disk Drives & other consumer products z Hard Disk Drives: Developments 1990 - 2004 z Marketplace z How the technology advances have affected the product offerings z Technology z How market opportunities propelled basic research forward z Disk Drives at the Boundaries z INSIC and Data Storage Systems Research z Closing Remarks: Hard Disk Drive Endurance Giora J. Tarnopolsky HDD - Perfect Devices © 2002-2004\14 April 2004\2 TARNOTEK 2004 - Mass Storage Systems & Technologies PERFECT INVENTIONS Giora J. Tarnopolsky HDD - Perfect Devices © 2002-2004\14 April 2004\3 TARNOTEK 2004 - Mass Storage Systems & Technologies Nearly Perfect Inventions z Certain inventions are created “perfect:” their operation relies on a fundamental principle that cannot be improved, or does not merit improvement z This assures their endurance … z … and defines their domain of development, the limits of applicability of the invention z Examples of perfect inventions are the bicycle, the umbrella, the book, and the disk drive Giora J. Tarnopolsky HDD - Perfect Devices © 2002-2004\14 April 2004\4 TARNOTEK 2004 - Mass Storage Systems & Technologies Bicycle z Gyroscope effect assures stability of the rider z Under torque T, the bike turns but does not fall z Low ratio of vehicle mass to rider mass z ~ 15 % (as compared to ~2,200% for car) z Efficient r T z Rugged r dL z Mass-produced r dt L z Affordable Giora J. -
USART Protocol Used in the STM32 Bootloader
AN3155 Application note USART protocol used in the STM32 bootloader Introduction This application note describes the USART protocol used in the STM32 microcontroller bootloader, providing details on each supported command. This document applies to STM32 products embedding any bootloader version, as specified in application note AN2606 STM32 system memory boot mode, available on www.st.com. These products are listed in Table 1, and are referred to as STM32 throughout the document. For more information about the USART hardware resources and requirements for your device bootloader, refer to the already mentioned AN2606. Table 1. Applicable products Type Product series STM32F0 Series STM32F1 Series STM32F2 Series STM32F3 Series STM32F4 Series STM32F7 Series STM32G0 Series Microcontrollers STM32G4 Series STM32H7 Series STM32L0 Series STM32L1 Series STM32L4 Series STM32L5 Series STM32WB Series STM32WL Series June 2021 AN3155 Rev 14 1/48 www.st.com 1 Contents AN3155 Contents 1 USART bootloader code sequence . 5 2 Choosing the USARTx baud rate . 6 2.1 Minimum baud rate . 6 2.2 Maximum baud rate . 6 3 Bootloader command set . 7 3.1 Get command . 8 3.2 Get Version & Read Protection Status command . 10 3.3 Get ID command . 12 3.4 Read Memory command . 13 3.5 Go command . 16 3.6 Write Memory command . 18 3.7 Erase Memory command . 21 3.8 Extended Erase Memory command . 24 3.9 Write Protect command . 27 3.10 Write Unprotect command . 30 3.11 Readout Protect command . 31 3.12 Readout Unprotect command . 33 3.13 Get Checksum command . 35 3.14 Special command . 39 3.15 Extended Special command . -
Bootloader and Startup Feature Overview and Configuratoin Guide
TechnicalTTechnicalechnical GuideGuidGuidee Bootloader and Startup Feature Overview and Configuration Guide The AlliedWare Plus™ Bootloader Every switch has a startup process. The end result of the startup is that the unit is running a specific version of the operating system software, with the features configured according to a specific startup configuration file. The startup process goes through two main phases: First, the switch boots up off a dedicated bootloader software image, which initializes core functionality of the unit. Then, the bootloader launches the main operating software image, and passes control over to this operating system. The bootloader is the executable code responsible for setting up the system and loading the operating system software. The bootloader is the software that runs the unit when it first powers up, performing basic initialization and executing the product software release. As part of the startup process of the switch, the bootloader allows you various options before running the product operating system software. C613-22004-00 x REV A alliedtelesis.com Products and software version that apply to this guide This guide applies to all AlliedWare Plus products, running version 5.4.4 or later. However, not all features in this guide are supported on all products. To see whether a product supports a particular feature or command, see the following documents: The product’s Datasheet The AlliedWare Plus Datasheet The product’s Command Reference These documents are available from the above links on our website at alliedtelesis.com. Feature support may change in later versions. For the latest information, see the above documents. Content The AlliedWare Plus™ Bootloader .................................................................................... -
CS100: Introduction to Computer Science
In-class Exercise: CS100: Introduction to n What is a flip-flop? n What are the properties of flip-flops? Computer Science n Draw a simple flip-flop circuit? Lecture 3: Data Storage -- Mass storage & representing information Review: bits, their storage and main memory Mass Storage or Secondary Storage n Bits n Magnetic disks n Boolean operations n CDs n Gates n DVDs n Flip-flops (store a single bit) n Magnetic tapes n Main memory (RAM) n Flash drives q Cell, Byte, Address Mass Storage or Secondary Storage Mass Storage Systems n On-line versus off-line n Magnetic Systems q Online - connected and readily available to the q Hard Disk machine q Floppy Disk q Offline - human intervention required q Tape n Typically larger than main memory n Optical Systems n Typically less volatile than main memory q CD n Typically slower than main memory q DVD n Flash Drives 1 Figure 1.9 A magnetic disk storage Magnetic Disks system n Floppy disk q Low capacity n 3.5 inch diskettes 1.44MB q A single plastic disk n Hard Disk system q High capacity systems q Multiple disks mounted on a spindle, multiple read/write heads move in unison n Cylinder: a set of tracks n Platter : a flat circular disk q Heads do not tough the surface of disks Measuring the Performance of Hard Disk Capacity of Hard Disk Systems Systems n (1) seek time n 5MB (1956 by IBM) q The time to move heads from one track to another n 20MB (1980s) n (2) rotation delay n 1 GB (1990s) q Half the time required for the disk to make a complete rotation n 20 GB – 768 GB (3/4) (2006) n (3) access time -
Flash Bootloader
Flash Bootloader Product Information Flash Bootloader Table of Contents 1 Flash Bootloader Overview ...................................................................................................................................................... 4 1.1 Overview of Advantages .......................................................................................................................................................... 5 1.2 Application Areas ...................................................................................................................................................................... 5 1.3 Flash Bootloader System Architecture ................................................................................................................................... 5 1.4 Functions.................................................................................................................................................................................... 6 1.5 Configuration ............................................................................................................................................................................ 6 1.6 Scope of Delivery....................................................................................................................................................................... 7 1.7 Availability ................................................................................................................................................................................ -
Fitech Handheld User Manual Contents Introduction and Important Notes
FiTech Handheld User Manual Contents Introduction and Important Notes ............................................................................................................... 2 Disconnect if Storing Vehicle .................................................................................................................... 2 Connecting to FiTech System ........................................................................................................................ 3 Buttons/Navigating ....................................................................................................................................... 3 Dashboard (View Live Data) .......................................................................................................................... 4 LARGE Gauges (View a Mini-Dash Panel) ..................................................................................................... 4 Showing Actual Dial Gauges! .................................................................................................................... 5 Making changes (Tuning) .............................................................................................................................. 5 PRO Tuning ................................................................................................................................................ 6 Reading and Clearing Faults (Fauld Code menu) .......................................................................................... 6 Writing Calibrations (Write Cal -
MCU Bootloader V2.5.0 Reference Manual
MCU Bootloader v2.5.0 Reference Manual Document Number: MCUBOOTRM Rev. 1, 05/2018 MCU Bootloader v2.5.0 Reference Manual, Rev. 1, 05/2018 2 NXP Semiconductors Contents Section number Title Page Chapter 1 Introduction 1.1 Introduction.....................................................................................................................................................................9 1.2 Terminology....................................................................................................................................................................9 1.3 Block diagram.................................................................................................................................................................10 1.4 Features supported.......................................................................................................................................................... 10 1.5 Components supported....................................................................................................................................................11 Chapter 2 Functional description 2.1 Introduction.....................................................................................................................................................................13 2.2 Memory map...................................................................................................................................................................13 2.3 The MCU Bootloader Configuration Area (BCA)........................................................................................................ -
Using the OMAP-L1x7 Bootloader Urmil Parikh and Joseph Coombs
Application Report SPRAB04G– June 2012 Using the OMAP-L1x7 Bootloader Urmil Parikh and Joseph Coombs ABSTRACT This application report describes various boot mechanisms supported by the OMAP-L1x7 bootloader read- only memory (ROM) image. Topics covered include the Application Image Script (AIS) boot process, an AISgen tool used to generate boot scripts, protocol for booting the device from an external master device, a UART Boot Host GUI for booting the device from a host PC, and any limitations, default settings, and assumptions made by the bootloader. Project collateral discussed in this application report can be downloaded from the following URL: http://www.ti.com/lit/zip/SPRAB04. Contents 1 Introduction .......................................................................................................................................................... 2 2 Boot Modes .......................................................................................................................................................... 3 3 Non-AIS Boot Modes ........................................................................................................................................... 3 4 Application Image Script (AIS) Boot ..................................................................................................................... 5 5 AISgen: Tool to Generate Boot Script (AIS image) ........................................................................................... 11 6 Master Boot – Booting From a Slave Memory Device