針對(duì)目前使用的RS232接口數(shù)字化B超鍵盤(pán)存在PC主機(jī)啟動(dòng)時(shí)不能設(shè)置BIOS，提出一種PS2鍵盤(pán)的設(shè)計(jì)方法?；赪78E052D單片機(jī)，采用8通道串行A/D轉(zhuǎn)換器設(shè)計(jì)了8個(gè)TGC電位器信息采集電路，電位器位置信息以鍵盤(pán)掃描碼序列形式發(fā)送，正交編碼器信號(hào)通過(guò)XC9536XL轉(zhuǎn)換為單片機(jī)可接收的中斷信號(hào)，軟件接收到中斷信息后等效處理成按鍵。結(jié)果表明，在滿(mǎn)足開(kāi)機(jī)可設(shè)置BIOS同時(shí)，又可實(shí)現(xiàn)超聲特有功能，不需要專(zhuān)門(mén)設(shè)計(jì)驅(qū)動(dòng)程序，接口簡(jiǎn)單，成本低。
Abstract: Aiming at the problem of the digital ultrasonic diagnostic imaging system keyboard with RS232 interface currently used couldn?蒺t set the BIOS when the PC boot， this paper proposed a design method of PS2 keyboards. Based on W78E052D microcontroller，designed eight TGC potentiometers InFormation acquisition circuit with 8-channel serial A/D converter， potentiometer position InFormation sent out with keyboard scan code sequentially.The control circuit based on XC9536 CPLD is used for converting the mechanical actions of the encoders into the signals that can be identified by the MCU， software received interrupt InFormation and equivalently treatmented as key. The results show that the BIOS can be set to meet the boot， ultrasound specific functionality can be achieved at the same time， it does not require specially designed driver，the interface is simple and low cost.
在航電系統(tǒng)維護(hù)過(guò)程中，為解決定位故障的效率和降低維修成本等問(wèn)題，提出了基于ICD（Interface Control Document，接口控制文件）的1553B總線(xiàn)的信息監(jiān)控系統(tǒng)模型。該系統(tǒng)運(yùn)用數(shù)據(jù)采集卡對(duì)總線(xiàn)中傳輸?shù)男盘?hào)有無(wú)失真、偏差等電氣特性進(jìn)行檢測(cè)，并使用1553B通訊卡通過(guò)測(cè)控軟件LabWindows/CVI編程與ICD數(shù)據(jù)庫(kù)的動(dòng)態(tài)鏈接，實(shí)現(xiàn)總線(xiàn)信息的解析和故障的判斷。與傳統(tǒng)的維護(hù)過(guò)程相比，這種模型能夠從信號(hào)的電氣特性以及信息的解析等全方位的去檢測(cè)判斷故障的來(lái)源，并且能夠廣泛在其他1553B總線(xiàn)系統(tǒng)內(nèi)擴(kuò)展應(yīng)用。驗(yàn)證表明該監(jiān)控系統(tǒng)可以對(duì)總線(xiàn)信息進(jìn)行快速有效地監(jiān)測(cè)分析，能滿(mǎn)足應(yīng)用需求。
Abstract: In the process of avionics system maintenance， to solve the problems such as improving the efficiency of fast orientation to troubles and reducing maintenance cost， system of 1553B bus InFormation monitor model based on ICD was proposed. The system observed whether the data which transmitted on the bus appear distortion and deviation by using data acquisition card. And using 1553B communication card programming of the measure software LabWindows/CVI and the dynamic linking of ICD database， message analysis and fault estimation could be realized. Compared with traditional maintenance， this model can all-dimensionally detect and analyze the source of faults from both electrical characteristics of the signal and message analysis， and it can be widely applied in the other 1553B system. Experiment shown that this monitor system can effectively detect and analyze the bus message and can meet the application requirements.
為提高太陽(yáng)能的利用率，以ATmega8單片機(jī)為控制核心，設(shè)計(jì)了一套光電跟蹤與視日運(yùn)動(dòng)軌跡跟蹤互補(bǔ)控制的雙軸太陽(yáng)跟蹤器。該跟蹤器在晴天時(shí)，利用光敏電阻采集光強(qiáng)判斷太陽(yáng)位置,控制步進(jìn)電機(jī)實(shí)現(xiàn)光電跟蹤；在陰天時(shí)，采集時(shí)鐘器件PCF8583的時(shí)間信息,計(jì)算當(dāng)前太陽(yáng)位置來(lái)實(shí)現(xiàn)視日運(yùn)動(dòng)軌跡跟蹤。實(shí)驗(yàn)表明：該太陽(yáng)跟蹤器能在不同天氣狀況下對(duì)太陽(yáng)進(jìn)行較準(zhǔn)確地跟蹤，能量接收效率提高了30%，達(dá)到充分利用太陽(yáng)能的目的。
Abstract:
To improve the utilization rate of solar energy，a kind of solar tracking controller which effectively combined the sun angle tracking and photo electric tracking based on ATmega8is designed.In the sunny days，the solar tracking con-troller determines the sun's position by using photosensitive resistances to collect light intensity and control stepper motors to achieve photo electric tracking，n cloudy days，it collects clock chip PCF8583time InFormation to calculate the current position of the sun and achieve the sun angle tracking.Experimental results show the solar tracking controller accurately tracks the sun in different weather conditions，improves received energy efficiency by30%and reaches the purpose of full use of solar energy.
提出一種基于C8051F040的炮塔方位角測(cè)試系統(tǒng)的設(shè)計(jì)方案，給出測(cè)試系統(tǒng)的各個(gè)模塊軟硬件設(shè)計(jì)。炮塔方位角測(cè)試系統(tǒng)集數(shù)據(jù)采集，數(shù)據(jù)傳輸和數(shù)據(jù)顯示等功能于一體，實(shí)現(xiàn)了炮塔方位角裝置的離線(xiàn)檢測(cè)。系統(tǒng)軟件采用C51編寫(xiě)，對(duì)單片機(jī)進(jìn)行有效電源管理，保證了系統(tǒng)的穩(wěn)定性，可靠性。
Abstract:
This paper puts forwards a design of artillery position system based on C8051F040，describes all modules hardware and software design of measurement system.The system has the function of InFormation collection，transmission，and display.It can measure artillery position system in offline.The system software using C51can manage the power of single chip microcomputer，guarantee the stability，reliability.
從系統(tǒng)硬件設(shè)計(jì)和軟件構(gòu)成上，介紹一種以AT89C52單片機(jī)為核心,通過(guò)無(wú)線(xiàn)遙控方法實(shí)現(xiàn)對(duì)預(yù)設(shè)電話(huà)自動(dòng)撥號(hào)報(bào)警的智能呼救系統(tǒng)。系統(tǒng)提供了患者在緊急情況下無(wú)法使用電話(huà)報(bào)警時(shí)的一種報(bào)警手段。由用戶(hù)預(yù)設(shè)的多組電話(huà)號(hào)碼作為語(yǔ)音報(bào)警對(duì)象,預(yù)錄可長(zhǎng)達(dá)20 s的語(yǔ)音信號(hào)來(lái)說(shuō)明患者所處地點(diǎn)及病情，并通知患者家人。
Abstract:
This paper introduces a intelligent alarming system which is realized by wireless remote control system.This system chiefly consists of AT89C51 the system can processor.User can input several groups of telephone number regarded as alarming objects,The system can record some InFormation 20 seconds to tell the site of the patient.And notice the rokonok of the patient.
提出了一種基于C8051F320的列車(chē)安全巡檢儀的設(shè)計(jì)方案，詳細(xì)闡述了巡檢儀的各個(gè)模塊的硬、軟件設(shè)計(jì)。巡檢儀集信息采集、軸溫檢測(cè)、照明和記錄存儲(chǔ)等功能于一體，實(shí)現(xiàn)了對(duì)列車(chē)安全巡檢工作有效的監(jiān)督和科學(xué)管理。系統(tǒng)軟件采用C51編寫(xiě)，對(duì)單片機(jī)進(jìn)行有效的電源管理，保證了巡檢儀的穩(wěn)定性、可靠性和低功耗性。
Abstract:
This paper puts forward a design of train safety inspection based on C8051F320,describes all modules hardware and software design of inspection instrument.The inspection instrument has the function of InFormation collection, axle’s temperature detection, lighting and records storage.It can supervise and administer train safety inspection work effectively.The system software using C51 can manage the power of single chip microcomputer, and guarantee the stability, reliability and low power consumption of the inspection instrument.
針對(duì)船舶氣象儀保障維修而設(shè)計(jì)的船舶氣象儀測(cè)試系統(tǒng)，包括信息處理終端、主儀器檢測(cè)模塊、傳感器檢測(cè)模塊，各個(gè)模塊都采用基于AVR單片機(jī)的嵌入式系統(tǒng)，模塊之間通過(guò)CAN總線(xiàn)進(jìn)行通信。結(jié)果表明，船舶氣象儀測(cè)試系統(tǒng)能夠快速檢測(cè)船舶氣象儀故障，與單純依靠人工方式排查故障相比，故障檢測(cè)時(shí)間縮短了60%以上。
Abstract:
The test system of ship meteorological instrument was developed to satisfy the maintenance of ship meteorological instruments，which composed of InFormation processing terminal， testing module of main instrument and testing module of sensors. Each of these modules included an embedded system based on microcontroller of AVR series and communicated with other module by CAN bus. The results show that the test system can judge the fault of ship meteorological instrument quickly and shorten the fault detection time as much as 60% compared with simple manual troubleshooting.
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MPLAB C30用戶(hù)指南(英文)
HIGHLIGHTSThe InFormation covered in this chapter is as follows:• About this Guide• Recommended Reading• Troubleshooting• The Microchip Web Site• Development Systems Customer Notification Service• Customer Support
Document LayoutThe document layout is as follows:• Chapter 1: Compiler Overview – describes MPLAB C30, development tools andfeature set.• Chapter 2: Differences between MPLAB C30 and ANSI C – describes thedifferences between the C language supported by MPLAB C30 syntax and thestandard ANSI-89 C.• Chapter 3: Using MPLAB C30 – describes how to use the MPLAB C30 compilerfrom the command line.• Chapter 4: MPLAB C30 Runtime Environment – describes the MPLAB C30runtime model, including InFormation on sections, initialization, memory models, thesoftware stack and much more.• Chapter 5: Data Types – describes MPLAB C30 integer, floating point and pointerdata types.• Chapter 6: Device Support Files – describes the MPLAB C30 header and registerdefinition files, as well as how to use with SFR’s.• Chapter 7: Interrupts – describes how to use interrupts.• Chapter 8: Mixing Assembly Language and C Modules – provides guidelines tousing MPLAB C30 with MPLAB ASM30 assembly language modules.
