【正文】
ystem based on Linux system design Summary Smart Home is a living environment , there is a residential living environment as a platform to install smart home system , the process of implementing smart home system called smart home integration. Residential as a platform to take advantage of integrated wiring technology, work munication technology, smart home security system design technology, automatic control technology, audio and video technology to integrate home life related facilities , residential facilities and build efficient management of household affairs agenda system , improve home safety , convenience , fort , artistry , and to achieve ecofriendly living environment. Smart home , also known as smart homes , layman39。智能家居又稱智能住宅,通俗地說,它是融合了自動(dòng)化控制系統(tǒng)、計(jì)算機(jī)網(wǎng)絡(luò)系統(tǒng)和網(wǎng)絡(luò)通訊技術(shù)于一體的網(wǎng)絡(luò)化智能化的家居控制系統(tǒng)。智慧家居是今后家居領(lǐng)域發(fā)展的必然趨勢,雖然市場推廣才剛剛開始,但行業(yè)的競爭已經(jīng)很激烈,光是寧波就有不下 5家企業(yè)專門從事這方面開發(fā)。 智能家居 最初的發(fā)展主要以燈光遙控控制、電器遠(yuǎn)程控制和電動(dòng)窗簾控制為主,隨著行業(yè)的發(fā)展,智能控制的功能越來越多,控制的對象不斷擴(kuò)展,控制的聯(lián)動(dòng)場景要求更高,其不斷延伸到家庭安防報(bào)警、背景音樂、可視對講、門禁指紋控制等領(lǐng)域,可以說智能家居幾乎可以涵蓋所有傳統(tǒng)的弱電行業(yè),市場發(fā)展前景誘人,因此和其產(chǎn)業(yè)下面是智能家居的大楷模型圖: 相關(guān)的各路品牌不約而同加大力度爭奪智能家居業(yè)務(wù),市場漸成春秋爭霸之勢。 Boa 是一款單任務(wù)的 HTTP 服務(wù)器 , 與其他傳統(tǒng)的 Web 服務(wù)器不同的是,當(dāng)有連接請求到來時(shí) , 它并不為每個(gè)連接單獨(dú)創(chuàng)建 進(jìn)程 , 也不通過復(fù)制自身進(jìn)程來處理多鏈接 , 而是通過建立 HTTP 請求列表來處理多路 HTTP 連接請求 , 同時(shí)它只為 CGI 程序創(chuàng)建新的進(jìn)程 , 這樣就在最大程度上節(jié)省了系統(tǒng)資源 , 這對嵌入式系統(tǒng)來說至關(guān)重要 . 同時(shí)它還具有自動(dòng)生成目錄、自動(dòng)解壓文件等功能 , 因此 , Boa 具有很高的 HTTP 請求處理速度和效率 , 在嵌入式系統(tǒng)中具有很高的應(yīng)用價(jià)值。他是 服務(wù)器運(yùn)行在外部的一個(gè)接口,他們通過遠(yuǎn)程訪問系統(tǒng)上的使用類型程序,來操控嵌入式設(shè)備。 CGI 的處理步驟: 通過 Inter 把用戶請求送到服務(wù)器。 Javascript JavaScript 被設(shè)計(jì)用來向 HTML 頁面添加交互行為。 目標(biāo)機(jī)主要使用在軟件開發(fā)階段,主要是跟嵌入式系統(tǒng)通信的宿主機(jī)區(qū)分開來,一般是嵌入式應(yīng)用軟件的實(shí)際運(yùn)行環(huán)境或者是仿真系統(tǒng),目標(biāo)機(jī)的硬件資源一般非常有限。 嵌入式系統(tǒng)一般連接后生成的可執(zhí)行程序要盡量小,所以連接過程的函數(shù)庫要盡量的小,因此所使用的函數(shù)庫一般是處理過的 。 基本功能模塊 目前國內(nèi)的智能家居行業(yè)處于一個(gè)初期的發(fā)展階段,還沒有形成一個(gè)公認(rèn)的標(biāo)準(zhǔn), 而且現(xiàn)在的智能家居一般用在住宅或住宅小區(qū),不同的環(huán)境對智能家居要求不一樣,還有些居民想要有獨(dú)特的個(gè)性化設(shè)計(jì),滿足自身的需求?,F(xiàn)在的通信方式從英特網(wǎng)再到 GPRS,通信方式也越來越多樣化與簡單化。 (3)設(shè)備自動(dòng)控制模塊 智能家居是將更多的設(shè)備通過某種方式連接,能夠?qū)⑺麄兊慕y(tǒng)一在一起便于集中控 制,給家庭生活帶來方便。然后闡述了系統(tǒng)硬件連接及測試的整個(gè)過程, 9 由最基本的開發(fā)板連接、溫濕度傳感器、 GPRS 模組,直至將幾個(gè)功能模塊集合到一起,進(jìn)行測試。 ( 1) GPRS 模組 GPRS 模組采用 STM300 通訊芯片 ,利用無線移動(dòng)網(wǎng)絡(luò)來實(shí)現(xiàn)點(diǎn)對點(diǎn)間的全雙工通訊。改 GPRS 模組也可以通過 RS232 接口與 pc 機(jī)相連。該產(chǎn)品為 4 引線,通信接口 連接方便。 11 (4)為了容易區(qū)分其他的超級(jí)終端,建議將新建立的連接命名為 ARM,如圖35。如果差不多就可以移植 uboot 內(nèi)核,否則不能移植。所以對 html 文件的編寫很重要。text39。nbspamp。 //組合準(zhǔn)備發(fā)送的 命定, Ellse if(1==type) URL +=”/cgibin/?”+url_data。 } Else { Alert(“please check the Bowser!”)。 sscanf(data, %d, amp。//跳轉(zhuǎn)到燈的控制網(wǎng)頁 = g_url+/。 Read(led,amp。 If(data amp。 ( 2) 修改燈的信息: Led =open(“/dev/gpH0,O_RDWR”)。amp。= ~(0x02 light)。 Read( led, amp。這樣做也有利于家里做好防火防濕。 //處理讀取的數(shù)據(jù) } } 其中 fd 是溫度傳感器的打開的設(shè)備文件描述符, read 函數(shù)讀取溫濕度的數(shù)值。 ( 4) 發(fā)送短信 如果有一天你在外,忘記帶手機(jī)了,你想給你家人或朋友發(fā)個(gè)消息,或者打個(gè)電話,那就試試這個(gè)吧,雖然不能讓你進(jìn)行電話,但是能夠發(fā)個(gè)短信,能你家人或朋友知道你狀況。 ( 2)短信操作 +CMGF 選擇消息格式 設(shè)置: TEXT 格式: AT+CMGF=1 選擇消息為 TEXT 或 PDU 格式 用 PDU 格式包括所有頭信息的短消息以二進(jìn)制方式傳送寫成十六進(jìn)制的格式 用 TEXT 格式命令和響應(yīng)均為 ASCII 字符 選擇的消息格式存儲(chǔ)在 EEPROM 里 命定格式: AT+CMGF 作用:查詢當(dāng)前值 23 返回值:以 text 方式 +CMGF : 1 OK 格式: AT+CMGF 返回: +CMGF:( 01) OK +CSDH 顯示 TEXT 方式參數(shù) 該命令為 TEXT 方式的結(jié)果代碼 格式: AT+CMDH 作用;可以查詢當(dāng)前值。//發(fā)短信 //組裝號(hào)碼 Strcpy (number,”AT+CMGS=\”)。 25 4 總結(jié)與展望 總結(jié) 本文在閱讀一些文獻(xiàn)和對 linux 嵌入式學(xué)習(xí)的同時(shí),對智能家居系統(tǒng)作了深入的分析,但自身水平有限,在做智能家居雪球分析時(shí),有些地方考慮的不到位,在后期開發(fā)過程中導(dǎo)致不斷的返工,極大的影響了項(xiàng)目的進(jìn)程速度。對于將來的工作,這樣的項(xiàng)目還是比較 小的,今后遇到的問題可能會(huì)更多,學(xué)得也就更多。在畢業(yè)設(shè)計(jì)中我嘗到了不少苦頭,但是也嘗到其中的甘甜,當(dāng)一個(gè)一個(gè)的困難出現(xiàn)時(shí),解決的過程是艱辛的,是痛苦的,但是問題終于解決時(shí),那心情是愉悅的,那種心情只有自己明白。80s. We sat on the back of pickup trucks for hours. The sky was blue, and we couldn39。s Liaoning province, decades ago. The solider gave the old man a handmade saddle when they bid farewell. The story inspired Nasun to write Carved Saddle, a song that later became one of his most popular numbers. Now, every year, Nasun recruits young singers and dancers for the troupe. The troupe has also designed a new repertoire, which is mostly based on the daily lives of Mongolian people, especially the lives of nomadic families, and has bined contemporary musical elements with folk songs of the region. Haimu, a 25yearold khoomei (a local variant of overtone singing) singer, joined the troupe three years ago. Along with a sixmember band, he performs fast songs and soft ones that he writes- all while playing the horsehead fiddle.Although I learned the piano since childhood and grew up listening to various kinds of music, to me, the folk music of Inner Mongolia is the root, he says. Performing in remote villages is pleasant. I feel at home on the boundless grasslands, and the warm people there make me feel fulfilled. The first round of spring auction season in Beijing ended last week, but it failed to create much spring in the art market. Although two pieces of Chinese painting fetched more than 100 million yuan, the decline in trading volume and sa le rate showed a downturn this year. In the ―Grand View: Chinese Painting Highlight‖ session at China Guardian 2020 spring auctions, Pan Tianshou’s representative work Eagle, Rock and Flora hit a record auction price of 279 million yuan, while Li Keran’s masterwork Jinggang Mountain fetched million yuan, an unexpected high in recent years. However, the trading volume fells to billion yuan from billion yuan in the same period the year before. The Huangchen 2020 Spring Auctions, which recorded million yuan in total sales, experienced the same. The section number went down to 5 from 12 pared to last year. According to expert Shao Jianwu, the art market did not attract much excitement this year due to the booming stock market and the persistent problems of fery and fake deals. The two pieces of Chinese painting notched up high price this spring due to their own value not due to a revival in the market. The successful transaction of two works with a hammer price of more than 100 million yuan once again confirms that valuable and rare works of high quality always earn the longlasting high price. Chinese painting and calligrap