Texas Instruments: Stellaris®︎ Robotic Evaluation Board (Evalbot) with Micrium´s µC/OS-III

vandana — Fri, 25 Oct 2013 12:22:10 GMT

Current Revision posted to Documents by vandana on 10/25/2013 12:22:10 PM

Buy NowBuy Now

Development Tools

Kit Overview

The Stellaris® Robotic Evaluation Board (EVALBOT) is a is a mini robot that allows developers to experience the Stellaris ARM® Cortex™-M3 based LM3S9B92 MCU in real-world applications that leverage the processor's integrated 10/100 Ethernet MAC/PHY, USB On-The-Go, CAN, and motion control capabilities. Based on a complete analog and embedded processing signal chain from TI, the kit includes all of the hardware and software required for quick assembly so that developers can begin evaluation in 10 minutes or less. The board also uses a range of Texas Instruments’ analog components for motor drive, power supply, and communications functions. After a few minutes of assembly, the EVALBOT’s electronics are ready-to-run.

When roaming, three AA batteries supply power to the EVALBOT. The EVALBOT automatically selects USB power when tethered to a PC as a USB device or when debugging. Test points are provided to all key EVALBOT signals. Two 20-pin headers enable future wireless communications using standardized Texas Instruments’ low-power embedded radio modules (EM boards). Additional microcontroller signals are available on break-out pads arranged in rows adjacent to the microcontroller.

The EVALBOT has factory-installed quickstart software resident in on-chip Flash memory. For software debugging and Flash programming, an integrated In-Circuit Debug Interface (ICDI) requires only a single USB cable for debug and serial port functions.

The EVALBOT is available in a bundle (EKB-UCOS3-BNDLEKB-UCOS3-BNDL) with a Stellaris-specific version of uC/OS-IIIuC/OS-III: The Real-Time Kernel by Jean J. Labrosse. This book reveals how a real-time kernel works using Micrium’s μC/OS-III and the Stellaris EVALBOT as references. In addition, the board is also available separately (EKB-UCOS3-EVMEKB-UCOS3-EVM) for those who already have the book.

The example projects include:

Display : display various strings on the OLED display on a rotational basis to get familiarized with the basic structure of uC/OS-III operating on the EVM-EVALBOT
Audio: play WAV files stored in the internal flash memory of the LM3S9B92 microcontroller
Control: how to control each motor independently using the user buttons; turning motors off if the bump sensor is triggered; and monitoring robot status such as motor state, bump sensor state, CPU usage, and motor speed though uC/Probe.

LM3S9B92 Microcontroller

The Stellaris LM3S9B92 is an ARM® Cortex™-M3-based microcontroller with 256-KB flash memory, 96-KB SRAM, 80-MHz operation, Ethernet MAC/PHY, USB Host/Device/OTG, and a wide range of other peripherals. Unused microcontroller signals are routed to either the 20-pin EM expansion headers or to 0.1“ pitch break-out pads which are labeled with their GPIO reference. An internal multiplexer allows different peripheral functions to be assigned to each of these GPIO pads. When adding external circuitry, consideration should be given to the additional load on the EVALBOT’s power rails.

Clocking
The EVALBOT uses a 16.0-MHz crystal (Y3) to complete the LM3S9B92 microcontroller's main internal clock circuit. An internal PLL, configured in software, multiples this clock to higher frequencies for core and peripheral timing. A 25.0 MHz (Y1) crystal provides an accurate timebase for the Ethernet PHY.
Power Supplies
The EVALBOT can be powered either from batteries, the ICDI USB cable, or a USB device cable. The power source is determined by a Texas Instruments TPS2113 Auto Switching Power Mux and two Schottky diodes. Battery power is selected automatically when USB power is not present.

Key Applications: Motion control, Factory automation, Fire and security, HVAC and building control, Power and energy, Transportation, Test and measurement equipment, Medical instrumentation, Remote monitoring, Electronic point-of-sale (POS) machines, Network appliances and switches, Gaming equipment.

More Development Kits and Tools
	Texas Instruments Development Kits		Texas Instruments Development Tools
	Development Platforms & Kits		element14 Knode

Development Tools

Software Development Tools:

Tool Type	Supplier	MPN	Supported Family	Description
IDE	Embest	CoIDE	ARM Cortex™-M	CooCox offer freely available powerful software development tool for ARM Cortex-M3 & Cortex-M0 based microcontrollers. Coocox Tools organizes and provides the knowledge required by developers. Learn More
RTOS	Embest	CoOS	ARM Cortex™-M	CoOS is a free and open RTOS from CooCox, designed specifically for Cortex-M processor, supports preemptive priority and round-robin, Semaphore, Mutex, Flag, Mailbox and Queue for communication & synchronization, highly scalable, minimum system kernel is only 974Bytes, supports interrupt while task switching, supports stack overflow detection, supports the platforms of ICCARM, ARMCC, GCC. Learn More
IDE	Texas Instruments	Code Composer Studio (CCStudio)	TI ARM MCUs	CCStudio is an integrated development environment (IDE) for TI embedded processor families. CCStudio comprises a suite of tools used to develop and debug embedded applications. It includes compilers for each of TI's device families, source code editor, project build environment, debugger, profiler, simulators, real-time operating system and many other features. Learn More
IDE	ARM	Keil MDK-ARM	ARM Cortex™-M / Cortex-R4 / ARM7™ / ARM9™	The MDK-ARM is a complete software development environment for Cortex™-M, Cortex-R4, ARM7™ and ARM9™ processor-based devices. MDK-ARM is specifically designed for microcontroller applications, it is easy to learn and use, yet powerful enough for the most demanding embedded applications. Learn More
RTOS	Micrium	µC/OS-III	TI ARM MCUs	μC/OS-III is Micrium’s newest RTOS, designed for developers who need to save time on their current and next embedded sytem projects. Using a commercial real-time kernel such as μC/OS-III provides a solid foundation and framework to the design engineer dealing with the growing complexity of embedded designs. Learn More
RTOS	Segger	embOS	TI ARM MCUs	SEGGER embOS (Real Time Operating System) follows strict, yet efficient coding and documentation standards. embOS is a priority-controlled real time operating system, designed to be used as foundation for the development of embedded real-time applications. Learn More

Hardware Development Tools:

Tool Type	Supplier	MPN	Supported Family	Description
Debugger	Embest	ColinkExColinkEx	ARM Cortex™-M	ARM Cortex-M MCU JTAG Hardware Debugging Probe which supports in CooCox software and Keil Realview MDK
Emulator / Debugger / Programmer	ARM	ULINK2ULINK2	ARM Cortex™-M / Cortex-R4 / ARM7™ / ARM9™	ULINK2 Debug Adapter
Emulator / Debugger / Programmer	ARM	ULINKProULINKPro	ARM Cortex™-M / Cortex-R4 / ARM7™ / ARM9™	ULINKpro Debug and Trace Unit
Emulator	Segger	J-LinkJ-Link	ARM Cortex™-M / Cortex-R4 / ARM7™ / ARM9™	JTAG/SWD Emulator with USB interface
Programmer	Segger	Flasher ARMFlasher ARM	ARM Cortex™-M / Cortex-R4 / ARM7™ / ARM9™	Flash Programmer for ARM and Cortex cores

Technical Documents

Learning Center

Type	Description
Readme	Stellaris Robotic Evaluation Board README First
User Manual	Evalbot User Manual
User Manual	Cortex-M3 Instruction Set Technical User's Manual
User Manual	Stellaris Bootloader User Guide
Book	Book - uC/OS-III for TI Stellaris
Datasheet	Datasheet Stellaris LM3S9B92 Microcontroller
Application Note	Application Note Stellaris ADC Calibration
Application Note	Using Schematic Part and PCB Footprint Libraries for Stellaris (AN01256)

Design Elements

Type	Description
Schematics	Evalbot board Schematics
Software	Micrium uC/OS-III Project for Luminary Micro LM3S9B92
Software	uC/OS-III Source Code
BSDL	Stellaris LM3S9B92 100LQFP BSDL Model
BSDL	Stellaris LM3S9B92 108BGA BSDL Model
IBIS	Stellaris LM3S9B92 100LQFP IBIS Model

Video

www.youtube.com/watch

Kit Features

This evaluation kit provides a hands-on mini robotic platform for learning and using the μC/OS-III real-time kernel. The evaluation kit includes the following features:

Evaluation board with robotic capabilities
Mechanical components assembled by user
Stellaris® LM3S9B92 microcontroller
MicroSD card connector
I2S audio codec with speaker
USB Host and Device connectors
RJ45 Ethernet connector
Bright 96 x 16 blue OLED display
On-board In-Circuit Debug Interface (ICDI)
Battery power (3 AA batteries) or power through USB
Wireless communication expansion port
Robot features
- Two DC gear-motors provide drive and steering
- Opto-sensors detect wheel rotation with 45° resolution
- Sensors for "bump" detection

Kit Contents

The Texas Instruments EKB-UCOS3-EVMEKB-UCOS3-EVM is supplied with the below contents:

Stellaris® Robotic Evaluation Board for use with Micrium’s μC/OS-III (board only)

Tags: cortex-m3, texas_instruments, arm, ekb-ucos3-evm, lm3s9b92, evalbot