μC/OS-II™ Real-Time Operating System - Mouser · PDF fileμC/OS-II™ Real-Time...
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1 Micriμm data sheet for μC/Probe™ (10/24/11) +1 954 217 2036 | email: [email protected] | www.micrium.com
DESCRIPTION
μC/OS-II is a portable, ROMable, scalable, preemptive, real-time
deterministic multitasking kernel for microprocessors,
microcontrollers and DSPs. Offering unprecedented ease-of-use,
μC/OS-II is delivered with complete 100% ANSI C source code and
in-depth documentation. μC/OS-II runs on the largest number of
processor architectures, with ports available for download from the
Micrium Web site.
μC/OS-II manages up to 250 application tasks. μC/OS-II includes:
semaphores; event flags; mutual-exclusion semaphores that eliminate
unbounded priority inversions; message mailboxes and queues; task,
time and timer management; and fixed sized memory block
management.
μC/OS-II’s footprint can be scaled (between 5 Kbytes to 24 Kbytes) to
only contain the features required for a specific application. The
execution time for most services provided by μC/OS-II is both
constant and deterministic; execution times do not depend on the
number of tasks running in the application.
A validation suite provides all documentation necessary to support
the use of μC/OS-II in safety-critical systems. Specifically, μC/OS-II is
currently implemented in a wide array of high level of safety-critical
devices, including:
■ Those certified for Avionics DO-178B
■ Medical FDA pre-market notification (510(k)) and pre-market
approval (PMA) devices
■ SIL3/SIL4 IEC for transportation and nuclear systems, 99%
compliant with the Motor Industry Software Reliability
Association (MISRA-C:1998) C Coding Standards
APPLICATIONS
■ Avionics
■ Medical equipment/devices
■ Data communications equipment
■ White goods (appliances)
■ Mobile Phones, PDAs, MIDs
■ Industrial controls
■ Consumer electronics
■ Automotive
■ A wide-range of embedded applications
FEATURES
■ Unprecedented ease-of-use combined with an extremely short
learning curve enables rapid time-to-market advantage.
■ Runs on the largest number of processor architectures with ports
easily downloaded.
■ Scalability – Between 5 Kbytes to 24 Kbytes
■ Max interrupt disable time: 200 clock cycles (typical
configuration, ARM9, no wait states).
■ Sufficiently robust tomeet rigorous safety-critical system
requirements
■ Complete ANSI C source code is available for a 30-day trial use.
μC/OS-II™ Real-Time Operating System
2 Micriμm data sheet for μC/Probe™ (10/24/11) +1 954 217 2036 | email: [email protected] | www.micrium.com
MULTI-THREADED APPLICATIONS
μC/OS-II allows developers to produce multi-threaded applications,
vital to the development of safety-critical systems. Thanks to
improved integration with IAR Embedded Workbench for ARM,
developers can access all the inherent non-reentrant features of
C/C++ in a thread-safe manner.
Application developers who write code for use in multi-threaded
environments will find the support critical when protecting shared
objects using system locks, file-stream locks, and thread-local storage
(TLS) in multi-threaded environments.
Micrium and IAR collaborated in providing the first thread-safe
support in μC/OS-II for the IAR DLIB run-time library. Protection for
such non-reentrant functions as strtok(), rand(), errno() and more are
local to each thread. Global and static variables typically used by
these functions are protected by the Micrium kernel.
μC/OS-II
COMMUNICATIONS STACKS AND MIDDLEWARE
The current μC/USB-Host version is V3.10. In version 3.20 it will be
available to run without a RTOS.
PLUG-INS AND TOOLS
μC/OS-II Kernel Awareness Plug-In (KA) allows for the display of
μC/OS-II’s internal data structures in a series of windows integrated
with the C-SPY Debugger from IAR’s Embedded Workbench. This
allows you to examine each task, semaphore, mutex, mailbox, queue,
and event flag group, as well as tasks waiting on kernel objects.
MONITORING
Use μC/Probe to visualize all μC/OS-II -based applications allowing a
design engineer to monitor and change values in a product at run
time. μC/Probe interfaces to any embedded targetwhether or not it
has a real-time kernel, and works with any (8-bit, 16, bit, 32-bit,
64-bit CPU or DSP. μC/Probe saves valuable time throughout product
design, and can also serve as a product’s user interface.
Who should use this RTOS? Developers who want to save time on their current and next embedded system project, and who want the cleanest, most popular, and robust RTOS on the market.
Supported Processors See complete list in Processor Chart
Maximum ROM Footprint (Unscaled)
24 Kbytes
Minimum ROM Footprint (Scaled) 6 Kbytes
Number of Kernel Services 10 different using 80 API calls
Multitasking Model Preemptive
Code Execution Entities Tasks, ISRs
Dynamic Objects Static and Dynamic
Data Movement Message Mailboxes (unlimited) and Message Queues (unlimited)
Semaphores - Full Counting Yes (unlimited)
Mutexes - With Priority Inheritance Yes (priority calling)
Event Flags Yes (unlimited), configurable for 8, 16, or 32 bits
Memory Partitions - RAM Management
Yes
Timers Yes (unlimited)
Requires an RTOSRTOS not Required
RTOS not Required
μC/TCP-IP TCP/IP Networking Small RAM/ROM footprint, IP v4
X
μC/USB Host USB Host stack
X
μC/USB DeviceUSB Device stack
X
μC/USB OTG USB Host and Device stack
X
μC/FS FAT and FAT=Free File System
X
μC/CAN CAN Open Stack
X
μC/GUI Graphical User Interphace
X
3 Micriμm data sheet for μC/Probe™ (10/24/11) +1 954 217 2036 | email: [email protected] | www.micrium.com
PROCESSOR ARCHITECTURES
Architectures supported by μC/OS-II include:
For pricing, delivery, and ordering information, please visit Micrium’s
website at: www.micrium.com.
Company Architecture
Actel Cortex-M1
Altera Nios II, Cortex-M1
Analog Devices AduC7xxx (ARM7), ADSP-21xx, Blackfin 5xx, SHARC
ARM ARM7, ARM9, ARM11, Cortex-M1, Cortex-M3
Atmel SAM7 (ARM7), SAM9(ARM9), AVR, AVR 32
Freescale 9S08, 9S12, Coldfire, PowerPC, i.MX
Fujitsu FR50
Infineon TriCore, 80C16x
Intel 80x86
Lattice Micro32
Luminary Micro Cortex-M3
Microchip PIC24, dsPIC33, PIC32 (MIPS)
MIPS R3000, R4000
NXP ARM7, ARM9, Cortex-M3
Renesas H8, M16C, M32C, R32C, RL78, SH, 78Kx, V850
Samsung ARM7, ARM9
ST 80C16x, STR7 (ARM7), STR9 (ARM9),STM32 (Cortex-M3)
TI MSP430, TMS320, TMS470 (ARM7)
Toshiba Cortex-M3
Xilinx MicroBlaze, PowerPC
ZILOG Z80, eZ80
For the way Engineers work
Mouser Electronics
Authorized Distributor
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