In a preemptive priority based RTOS, priority inversion problem is among the major sources of deadline violations. Priority inheritance protocol is one of the approaches to reduce priority inversion. Unfortunately, RTOS like uC/OS can’t support priority inheritance protocol since it does not allow kernel to have multiple tasks at the same priority. Although it has different ways to avoid priority inversion such as priority ceiling protocol, developers still have some difficulties in programming real time applications with it. In this paper, we redesign the uC/OS kernel to provide the ability to support round robin scheduling and implement priority inheritance semaphore on the modified kernel. As result, we port new kernel with priority inheritance semaphore to evaluation board, and evaluate the Execution time of each of the kernel service as well as verify the operations of our implementation.
標(biāo)簽： priority preemptive inversion problem
上傳時(shí)間： 2015-12-14
上傳用戶：氣溫達(dá)上千萬的
ollydbg完全教程。OllyDbg 是一種具有可視化界面的 32 位匯編-分析調(diào)試器。它的特別之處在于可以在沒有源代碼時(shí)解決問題，并且可以處理其它編譯器無法解決的難題。 一，什么是 OllyDbg？ 二，一般原理［General principles］ 三，反匯編器［Disassembler］ 四，分析器［Analysis］ 五，Object掃描器［Object scanner］ 六，Implib掃描器 ［Implib scanner］ 七，如何開始調(diào)試［How to start debugging session］ 八，CPU 窗口［CPU window］ 九，斷點(diǎn)［Breakpoints］ 十，內(nèi)存映射窗口［Memory map window］ 十一、十二，監(jiān)視與監(jiān)察器［Watches and inspectors］ 十三，線程［Threads］ 十四，復(fù)制到剪切板［Copy to clipboard］ 十五，調(diào)用棧［Call stack］ 十六，調(diào)用樹［Call tree］ 十七，選項(xiàng)［Options］ 十八，搜索［Search］ 十九，自解壓文件［Self-extracting (SFX) files］ 二十，單步執(zhí)行與自動(dòng)執(zhí)行［Step-by-step Execution and animation］ 二一，Hit跟蹤［Hit trace］
標(biāo)簽： ollydbg OllyDbg 32 教程
上傳時(shí)間： 2016-01-02
上傳用戶：xhz1993
Program main BIOS image | | /B - Program Boot Block | | /N - Program NVRAM | | /C - Destroy CMOS checksum | | /E - Program Embedded Controller Block | | /K - Program all non-critical blocks | | /Kn - Program n th non-critical block only(n=0-7) | | /Q - Silent Execution | | /REBOOT - Reboot after programming | | /X - Don t Check ROM ID | | /S - Display current system s ROMID | | /Ln - Load CMOS defaults
標(biāo)簽： Program Destroy Block NVRAM
上傳時(shí)間： 2016-07-26
上傳用戶：wfl_yy
The widespread use of embedded systems mandates the development of industrial software design methods, i.e. computer-aided design and engineering of embedded applications using formal models (frameworks) and standardized prefabricated components, much in the same way as in other mature areas of engineering such as mechanical engineering and electronics. These guidelines have been used to develop Component-based Design of Software for Embedded Systems (COMDES). The paper gives an overview of the COMDES framework, followed by a presentation of a generic component types, such as function blocks, activities and function units. The Execution of function units is discussed in the context of a newly developed Execution model, i.e. timed-multitasking, which has been extended to distributed embedded systems.
標(biāo)簽： development widespread industrial embedded
上傳時(shí)間： 2014-01-23
上傳用戶：z754970244
The main MIPS processor of SMP8630 comes with a JTAG interface, allowing: access to caches and data bus (DRAM) with a bandwidth of about 200kbit/s examining the processor state whatever the Execution mode (monice) connecting to monice using mdi-server and using a gdb client on the processor to step and break accurately whatever the Execution mode running semi-hosted applications fl ash write tool memory testing (MT command) real-time traces: has not been built in CPU (Config3_TL=0) and only supported by MajicPLUS probes (maybe built into emulator?)
標(biāo)簽： interface processor allowing access
上傳時(shí)間： 2013-12-19
上傳用戶：youke111
Fortran has always been the principal language used in the fields of scientific, numerical, and engineering programming, and a series of revisions to the standard defining successive versions of the language has progressively enhanced its power and kept it competitive with several generations of rivals. Beginning in 1978, the technical committee responsible for the development of Fortran standards, X3J3 (now called J3), laboured to produce a new, much- needed modern version of the language, Fortran 90. Its purpose is to "promote portability, reliability, maintainability, and efficient Execution... on a variety of computing systems". The standard was published in 1991, and work began in 1993 on a minor revision, known informally as Fortran 95. Now this revised
標(biāo)簽： scientific the principal numerical
上傳時(shí)間： 2017-04-12
上傳用戶：a3318966
The JavaServer Pages (JSP) Expression Language (EL) is a simple non-procedural scripting language that can be used to evaluate dynamic expressions within a JSP page. Each EL expression evaluates to a single value that is then expressed as text in the output of the JSP (when used in template text), or passed as a value to a JSP action. As such, it is ideal for adding dynamic elements to the HTML page (or other text output) generated by the Execution of a JSP.
標(biāo)簽： non-procedural JavaServer Expression scripting
上傳時(shí)間： 2017-07-13
上傳用戶：dbs012280
nesc language introduction. nesC is an extension to C [2] designed to embody the structuring concepts and Execution model of TinyOS [1]. TinyOS is an event-driven operating system designed for sensor network nodes that have very limited resources (e.g., 8K bytes of program memory, 512 bytes of RAM). TinyOS has been reimplemented in nesC. This manual describes v1.1 of nesC, changes from v1.0 are summarised in Section 3.
標(biāo)簽： introduction structuring extension language
上傳時(shí)間： 2017-09-04
上傳用戶：66666
STM32F407VET6數(shù)據(jù)手冊Core: ARM 32-bit Cortex?-M4 CPU with FPU,Adaptive real-time accelerator (ARTAccelerator?) allowing 0-wait state Executionfrom Flash memory, frequency up to 168 MHz,memory protection unit, 210 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSPinstructions
標(biāo)簽： stm32f407vet6 數(shù)據(jù)手冊
上傳時(shí)間： 2022-07-25
上傳用戶：
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