Real time systems design principles for distributed embedded applications by hermann kopetz

... xvii 1. 1 Terminology / 1. 1 .1 Systems Concepts / 1. 1.2 Real-Time Definitions / 1. 1.3 Events and Determinism / 1. 1.4 CPU Utilization / 10 1. 2 Real-Time System Design Issues / 12 1. 3 Example Real-Time ... Real-Time Systems / 13 1. 4 Common Misconceptions / 15 1. 5 Brief History / 16 1. 5 .1 Theoretical Advances / 17 1. 5.2 Early Systems / 17 1. 5.3 H...

Ngày tải lên: 13/08/2014, 08:20

... avionics systems, and medical systems, and the real-time design issues are the same for them as they are for most other systems 2. 7 a OTHER SPECIAL DEVICES 59 b x1 x2 x3 x4 Figure 2. 24 A typical ... resultant and operandum as the same The 2- address instruction is of the form: op-code operandam, operandum As a mathematical function, the 2- address would be expressed as: op...

Ngày tải lên: 13/08/2014, 08:20

... 24 26 28 30 32 t2 Figure 3. 10 EDF task schedule for task set in Table 3. 4 Table 3. 4 Task set for example of EDF scheduling τi ei pi τ1 τ2 34 36 98 REAL-TIME OPERATING SYSTEMS Table 3. 5 Task set ... execution at t6 and lets 3 execute to completion at t7 Task 3 is then allowed to lock S1 , and subsequently S2 , and completes at t8 122 REAL-TIME OPERATING SYSTEMS 3....

Ngày tải lên: 13/08/2014, 08:20

... complex diagrams 4. 5 STRUCTURED ANALYSIS AND DESIGN Methods for structured analysis and structured design (SASD) have evolved over almost 30 years and are widely used in real- time applications, ... high-resolution interval timer structure: struct itimerspec{ struct timespec it_value, it_interval; }; int timer_settime (timer_t timerid, int flag, struct itimerspec *value, st...

Ngày tải lên: 13/08/2014, 08:20

... Event All Traffic Standards/Display of Commanded Phase All Traffic Standards/Display of Commanded Phase All Traffic Standards/Display of Phase All Traffic Standards/Display of commanded phase Intersection ... 2003 Real-Time Systems Design and Analysis, By Phillip A Laplante ISBN 0-471-22 855 -9  2004 Institute of Electrical and Electronics Engineers 2 25 226 SOFTWARE SYSTEM DESIGN...

Ngày tải lên: 13/08/2014, 08:20

... Structured Analysis and Structured Design in Real-Time Applications There are several apparent problems in using structured analysis and structured design (SASD) to model the real-time systems, ... domain layer of design from concepts in domain model Design Model Design Figure 5.17 The UML and its role in specification and design (Adapted from [Larman02]) 252 SOFT...

Ngày tải lên: 13/08/2014, 08:20

... oriented and procedural Real-Time Systems Design and Analysis, By Phillip A Laplante ISBN 0- 471 -22855-9  2004 Institute of Electrical and Electronics Engineers 321 322 PROGRAMMING LANGUAGES AND THE ... divide-by-zero, and user-defined ones The ability to define and handle exceptional conditions in the high-level language aids in the construction of interrupt handlers and...

Ngày tải lên: 13/08/2014, 08:20

... Raton, FL, 2003 Real-Time Systems Design and Analysis, By Phillip A Laplante ISBN 0-471-2 285 5-9  2004 Institute of Electrical and Electronics Engineers 351 352 PERFORMANCE ANALYSIS AND OPTIMIZATION ... m = 4, λ = 380 , and µ = 16.5; then p= ( 380 /16.5)4 /4! + ( 380 /16.5) + ( 380 /16.5)2 /2 + ( 380 /16.5)3 /3! + ( 380 /16.5)4 /4! = 0 .83 4 This means there is a potential...

Ngày tải lên: 13/08/2014, 08:20

... (editor-in-chief), CRC Press, Boca Raton, FL, 2001 Real-Time Systems Design and Analysis, By Phillip A Laplante ISBN 0-471-22855 -9  2004 Institute of Electrical and Electronics Engineers 445 446 GLOSSARY ... where preliminary and final documents are required and where additional documentation such as a hardware integration plan and software integration plan may be required...

Ngày tải lên: 13/08/2014, 08:20

... buffering data, 99 critical regions, 104 105 , 114, 118 kernels, functions in, 73 mailboxes, 102 104 queues, 104 ring buffers, 101 102 , 104 , 126 semaphores, 73, 105 –111, 119, 120–121, 143–145 significance ... Small computer systems interface (SCSI) Self-modifying code, 439 Self-testing, 84 Semaphores: binary, 106 109 counting, 107 109 deadlock situation, 112 defined, 105 mailboxes...

Ngày tải lên: 13/08/2014, 08:20

... The Concise Handbook Of Linux for Embedded Real- Time Systems TimeSys Corporation Version 1.1 1-888-432 -TIME ©2002 TimeSys Corporation Pittsburgh, PA www.timesys.com Embedded Real- Time Systems ... • TimeSys Corporation About TimeSys Linux TimeSys Linux : an Embedded Real- Time OS Based on Linux TimeSys Linux is a Linux- based real- time operating sys...

Ngày tải lên: 08/03/2016, 09:24