REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 6 docx

... between m_VehicleTrafficStandard[0] and m_Approach[0]. Same messages as between m_PedestrianTrafficStandard[0] and m_Approach[0]. Same messages as between m_PedestrianDetector[0] and m_Approach[0]. ... traffic standards associated with the approach. 3. Handling of pedestrian crossing events. 4. Handling of loop detector entry and exit events. 5. Tracking the vehicle count. Figure 16 i...

Ngày tải lên: 13/08/2014, 08:20

... register 5 STORE R6,&reg6 ; save register 6 STORE R7,&reg7 ; save register 7 JU @APP ; execute real-time application program LOAD R7,&reg7 ; restore register 7 LOAD R6,&reg6 ; restore ... at t 6 and lets τ 3 execute to completion at t 7 .Taskτ 3 is then allowed to lock S 1 , and subsequently S 2 ,and completes at t 8 . 3.1 REAL-TIME KERNELS 87 associated with rou...

Ngày tải lên: 13/08/2014, 08:20

... 3. 46 6.92 13.84 27 .68 18 20 3. 46 6.92 13.84 27 .68 55. 36 24 20 3. 46 6.92 13.84 27 .68 55. 36 30 20 3. 46 6.92 13.84 27 .68 55. 36 36 20 3. 46 6.92 13.84 27 .68 55. 36 42 20 3. 46 6.92 13.84 27 .68 55. 36 18 ... 16. 7 33.3 66 .7 133.3 266 .6 Pier Length (ft) 18 10 1.73 3. 46 6.92 13.84 27 .68 24 10 1.73 3. 46 6.92 13.84 27 .68 30 10 1.73 3. 46 6.92 13.84 27 .68 36 1...

Ngày tải lên: 09/08/2014, 22:23

... CONTENTS 6. 5.5 Fortran / 340 6. 5 .6 Java / 341 6. 5.7 Occam 2 / 345 6. 5.8 Special Real-Time Languages / 3 46 6.5.9 Know the Compiler and Rules of Thumb / 3 46 6 .6 Coding Standards / 347 6. 7 Exercises ... and Call-by-Reference / 324 6. 3.3 Global Variables / 325 6. 3.4 Recursion / 325 6. 3.5 Dynamic Memory Allocation / 325 6. 3 .6 Typing / 3 26 6.3.7 Exception Handlin...

Ngày tải lên: 13/08/2014, 08:20

... applications, including image processing, avionics systems, and medical systems, and the real-time design issues are the same for them as they are for most other systems. 44 2 HARDWARE CONSIDERATIONS FFFFFFFF FFFFFF00 FFFFFE00 FFC00000 DMA Memory-mapped ... register. Interrupt handling instructions, such as the Intel 80× 86 s CLI, clears the inter- rupt flag in the status register,...

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, probably ... structured analysis emerged in the 1980s to account for system dynamics and use if for the specification of real-time systems. These approaches include Gomaa’s DARTS...

Ngày tải lên: 13/08/2014, 08:20

... outstanding commercial software. Real-time engineers know that their systems are frequently subject to changes in hardware, algorithms, and even application. Therefore these systems must be designed ... low coupling and high cohesion versus high coupling and low cohesion. The second point is that the proper use of graphical design techniques can positively influence the eventual...

Ngày tải lên: 13/08/2014, 08:20

... 30, Table 31, and Table 32 illustrate SDD compliance with the SRS requirements. 3 26 6 PROGRAMMING LANGUAGES AND THE SOFTWARE PRODUCTION PROCESS reasonable. When writing real-time systems, however, ... requests. 3. Decryption and validation of emergency vehicle preemption requests. 4. Generation and handling of events required to control intersection phase. 324 6 PROGRAMMING LAN...

Ngày tải lên: 13/08/2014, 08:20

... time of 26 microseconds. For path 3, the pipeline execution trace looks like 2 468 101214 161 82022 Time in microseconds 24 26 F12 D12 E12 F9 E9 F8 D8 E8 (flush) F7 D7 D6 E5 E6 E7 F5 D5 F6 F4 D4 E4 F3 ... 10,000(3/4)  1 0 tdt+  1 .6 1 dt − 10,000(5/4)  1 .6 1 tdt = 10,000(3/8)t 2    1 0 + 10,000(2)t    1 .6 1 − 10,000(5/8)t 2    1 .6 1 = 10,000(3/8) + 10,000(3.2 −2) − 10,000...

Ngày tải lên: 13/08/2014, 08:20

... of 64 kilobytes of 16- bit memory. CRC- 16 is to be employed to check the validity of the memory contents. The memory contents represent a polynomial of at most order 65 , 5 36 · 16 = 1, 048, 5 76. ... information systems and therefore are not particularly applicable to many other systems, such as real-time, embedded, communications, and process control software. The motivation...

Ngày tải lên: 13/08/2014, 08:20