CPE109-4: COMPUTING PLATFORMS FOR EMBEDDED SYSTEMS

It is primarily responsible for getting the operating system from wherever it is stored and copying it to memory to launch.

The boot loader

It defines a model for the interface between operating systems and platform firmware operating system boot.

Unified Extensible Firmware Interface (UEFI)

A real time OS working with real time constraints as power, time and efficient usage of memory.

REAL TIME OPERATING SYSTEM (RTOS)

A privately held company founded in 1985 (formerly LynuxWorks) and based out of San Jose, California.

LynxOS

A full-featured and robust OS that scales down to meet the constrained resource requirements of realtime embedded systems with a true microkernel design.

QNX (QNX Neutrino RTOS)

A small hard real-time kernel that can run Linux as its lowest priority thread, begun at New Mexico Tech in 1994.

RTLinux

A 32-bit embedded operating system for smart, connected and small-footprint devices used for mobile handhelds, gateways and Internet appliances.

Windows CE .NET

The world’s number one automation company boasting 30.7% of the global market share, offering SIMATIC controllers.

Siemens PLC

An automation company whose network of controllers can manage a whole plant, offering controllers for small-size applications like MicorLogix, SLC500 and CompactLogix systems.

Allen Bradley PLC

Considered as the world’s number three with a market share of 13.9%, based mostly in Japan and Asia, and offering GX Developer PLC Programming Software.

Mitsubishi PLC

The only automation software provider that employs an online AutoUpdate system, allowing users to easily download and install updates for FREE.

Omron PLC

The OS boot loader must be aware of the local ________ if the operating system is stored on a mass storage device.

file system

The UEFI interface consists of ________ that contain platform-related information, boot service calls, and runtime service calls.

data tables

Most of the embedded systems are bound to ________ constraints and it is achieved using real time system.

real time

LynxOS has a historical focus on A&D markets for customers needing ________ certification.

DO-178

Embedded systems based on PLC platform are based on general purpose microprocessor or microcontroller or on ________ processor used in some available PLC device.

DSP

SIMATIC is a short form of ________ Automatic.

Siemens

Enumerate the four Intel architecture boot loaders.

GRUB2; VxWorks; Syslinux; Eboot

Enumerate the three UEFI boot loaders mentioned in the presentation.

GRUB2 UEFI Boot; VxWorks; eLILO

Enumerate the classification of RTOS.

Hard RTOS; Firm RTOS; Soft RTOS

Enumerate the five widely used RTOS mentioned in the presentation.

LynxOS-178; QNX; RTLinux; VxWorks; Windows CE

Enumerate at least five CPU compatibilities of VxWorks.

MIPS; PowerPC; Intel i960; SPARC; SH-4; x86 family; ARM; StrongARM; xScale

Enumerate the three virtualization examples given.

Linux Vservers; Xen; Xenomai

Enumerate at least four key PLC software platforms from Schneider Electric.

TwidoSuite; EcoStruxure Machine Expert; Zelio Soft; ProWORX 32; Ecostruxure Control Expert; Modicon M168 Programming Software

Enumerate the small-size application controllers of Allen Bradley PLC.

MicroLogix; SLC500; CompactLogix systems