Microchip AT91RM9200 Manual

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SMART ARM-based Microcontrollers

AT15004:Using SAM-BA for Linux on SAM

Devices

APPLICATION NOTE

Introduction

A few of the SAM devices are pre-loaded with the Atmel® SAM Boot

Assistant (Atmel SAM-BA®). This bootloader allows In-System Programming

(ISP) from USB host without using any other external programming interface.

SAM-BA has been validated on various Linux distributions such as Ubuntu,

Debian, Fedora, openSUSE, and Mint. However, it will work on other

distributions as well. Tested distributions are listed at www.at91.com/

linux4sam.

This application note describes the steps to install and use SAM-BA on

some popular Linux distributions to program Atmel ARM® based devices.

Features

•Allows to program, verify, and secure an Atmel SAM device without

using a device programmer

•Uses USB CDC class for communicating to the host

•Use SAM-BA Command Line mode to program SAM devices

•Source code for SAM-BA applet is available and can be customized to

user’s needs such as Encrypted loader and custom protocol

Atmel-42728A-Using-SAM-BA-for-Linux-on-SMART-ARM-based-Microcontrollers_AT15004_Application Note-08/2016

Table of Contents

Introduction......................................................................................................................1

Features.......................................................................................................................... 1

1. Introduction to SAM-BA............................................................................................. 3

2. Installing SAM-BA on Different Linux Distributions ...................................................4

2.1. Setup............................................................................................................................................ 4

2.2. Installing SAM-BA.........................................................................................................................4

3. Using SAM-BA ..........................................................................................................6

3.1. Understanding SAM-BA Architecture........................................................................................... 6

3.1.1. SAM-BA Monitor............................................................................................................ 6

3.1.2. Applet Workflow.............................................................................................................7

3.2. Connect device.............................................................................................................................8

3.3. Understanding SAM-BA GUI........................................................................................................9

3.3.1. Memory Display Area.................................................................................................. 10

3.3.1.1. Read Memory............................................................................................10

3.3.1.2. Edit Memory Content................................................................................. 11

3.3.2. Memory Download Area...............................................................................................11

3.3.2.1. Flashing Firmware..................................................................................... 11

3.3.2.2. Reading From Memory.............................................................................. 11

3.3.2.3. Compare Memory with a File.....................................................................12

3.3.3. Script File Functionality................................................................................................12

3.3.3.1. Start/Stop/Reset Recording.......................................................................12

3.3.3.2. Edit the Script File..................................................................................... 12

3.3.3.3. Execute the Script File...............................................................................12

3.4. SAM-BA in command line...........................................................................................................13

4. Tested Devices........................................................................................................ 14

5. FAQ..........................................................................................................................15

6. References.............................................................................................................. 16

7. Revision history....................................................................................................... 17

Atmel AT15004:Using SAM-BA for Linux on SAM Devices [APPLICATION NOTE]

Atmel-42728A-Using-SAM-BA-for-Linux-on-SMART-ARM-based-Microcontrollers_AT15004_Application Note-08/2016

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	AT91RM9200

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