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Low-level

  • This GLib version 2.16.1. GLib is the Low-level core library that forms the basis for projects such

    This GLib version 2.16.1. GLib is the Low-level core library that forms the basis for projects such as GTK+ and GNOME. It provides data structure handling for C, portability wrappers, and interfaces for such runtime functionality as an event loop, threads, dynamic loading, and an object system.

    標(biāo)簽: GLib the Low-level projects

    上傳時(shí)間: 2013-12-19

    上傳用戶:tb_6877751

  • gps design guide,for low level study

    gps design guide,for low level study

    標(biāo)簽: design guide level study

    上傳時(shí)間: 2016-10-30

    上傳用戶:liglechongchong

  • low level hook to record mouse and keyobard events and play back

    low level hook to record mouse and keyobard events and play back

    標(biāo)簽: and keyobard events record

    上傳時(shí)間: 2016-11-15

    上傳用戶:天涯

  • if an application works with restricted low level system calls, it must obtain a Microsoft Mobile2Ma

    if an application works with restricted low level system calls, it must obtain a Microsoft Mobile2Market privileged signature. To get a privileged signature, logo certification is now a requirement, not an option! This article shows how to abstract some of the most common issues a developer will encounter when creating a native code application that must be logo certified for each platform. windowsmobile5.0以上版本logo注冊例子,可以加入自己的工程文件中。

    標(biāo)簽: application restricted Microsoft Mobile2Ma

    上傳時(shí)間: 2017-01-16

    上傳用戶:13160677563

  • zigbee協(xié)議棧中MAC層中Low-level的部分源代碼

    zigbee協(xié)議棧中MAC層中Low-level的部分源代碼,實(shí)現(xiàn)數(shù)據(jù)部分的通信功能,也給出了其相關(guān)定義

    標(biāo)簽: Low-level zigbee MAC 協(xié)議棧

    上傳時(shí)間: 2017-08-24

    上傳用戶:agent

  • Visual Basic Low Level Disk Acces

    Visual Basic Low Level Disk Acces

    標(biāo)簽: Visual Basic Acces Level

    上傳時(shí)間: 2013-12-23

    上傳用戶:王楚楚

  • PXA270 design guide low level primitives

    PXA270 design guide low level primitives

    標(biāo)簽: primitives design guide level

    上傳時(shí)間: 2014-06-30

    上傳用戶:yxgi5

  • libpcap is a system-independent interface for user-level packet capture. libpcap provides a portable

    libpcap is a system-independent interface for user-level packet capture. libpcap provides a portable framework for Low-level network monitoring. Applications include network statistics collection, security monitoring, network debugging, etc.

    標(biāo)簽: libpcap system-independent user-level interface

    上傳時(shí)間: 2014-08-11

    上傳用戶:saharawalker

  • 使用軟件程序仿真C500微控制器系列SSC(同步串行通道)功

    The solution presented in this paper and in the attached source files emulates the mostimportant SSC functions by using SW routines implemented in C. The code is focused onthe SAB C513, but will fit to all C500 derivatives.Beyond the low level software drivers a test shell is delivered. This shell allows a quicktest of the software drivers by an emulator or a starter kit demo board.

    標(biāo)簽: C500 SSC 軟件 程序

    上傳時(shí)間: 2013-11-24

    上傳用戶:363186

  • Input Signal Rise and Fall Tim

    All inputs of the C16x family have Schmitt-Trigger input characteristics. These Schmitt-Triggers are intended to always provide proper internal low and high levels, even if anundefined voltage level (between TTL-VIL and TTL-VIH) is externally applied to the pin.The hysteresis of these inputs, however, is very small, and can not be properly used in anapplication to suppress signal noise, and to shape slow rising/falling input transitions.Thus, it must be taken care that rising/falling input signals pass the undefined area of theTTL-specification between VIL and VIH with a sufficient rise/fall time, as generally usualand specified for TTL components (e.g. 74LS series: gates 1V/us, clock inputs 20V/us).The effect of the implemented Schmitt-Trigger is that even if the input signal remains inthe undefined area, well defined low/high levels are generated internally. Note that allinput signals are evaluated at specific sample points (depending on the input and theperipheral function connected to it), at that signal transitions are detected if twoconsecutive samples show different levels. Thus, only the current level of an input signalat these sample points is relevant, that means, the necessary rise/fall times of the inputsignal is only dependant on the sample rate, that is the distance in time between twoconsecutive evaluation time points. If an input signal, for instance, is sampled throughsoftware every 10us, it is irrelevant, which input level would be seen between thesamples. Thus, it would be allowable for the signal to take 10us to pass through theundefined area. Due to the sample rate of 10us, it is assured that only one sample canoccur while the signal is within the undefined area, and no incorrect transition will bedetected. For inputs which are connected to a peripheral function, e.g. capture inputs, thesample rate is determined by the clock cycle of the peripheral unit. In the case of theCAPCOM unit this means a sample rate of 400ns @ 20MHz CPU clock. This requiresinput signals to pass through the undefined area within these 400ns in order to avoidmultiple capture events.For input signals, which do not provide the required rise/fall times, external circuitry mustbe used to shape the signal transitions.In the attached diagram, the effect of the sample rate is shown. The numbers 1 to 5 in thediagram represent possible sample points. Waveform a) shows the result if the inputsignal transition time through the undefined TTL-level area is less than the time distancebetween the sample points (sampling at 1, 2, 3, and 4). Waveform b) can be the result ifthe sampling is performed more than once within the undefined area (sampling at 1, 2, 5,3, and 4).Sample points:1. Evaluation of the signal clearly results in a low level2. Either a low or a high level can be sampled here. If low is sampled, no transition willbe detected. If the sample results in a high level, a transition is detected, and anappropriate action (e.g. capture) might take place.3. Evaluation here clearly results in a high level. If the previous sample 2) had alreadydetected a high, there is no change. If the previous sample 2) showed a low, atransition from low to high is detected now.

    標(biāo)簽: Signal Input Fall Rise

    上傳時(shí)間: 2013-10-23

    上傳用戶:copu

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