IC697BEM731聯(lián)系人:李先生
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IC697BEM731
IC697BEM731
基于51單片機(jī)的數(shù)據(jù)采集系統(tǒng)
在物聯(lián)網(wǎng)終端設(shè)備方面,采用51單片機(jī),通過(guò)其豐富的外擴(kuò)接口和溫度傳感器、濕度傳感器,以及LED燈等模塊進(jìn)行連接。在軟件上采用“C語(yǔ)言+驅(qū)動(dòng)庫(kù)”的開發(fā)模式,通過(guò)這樣的開發(fā)模式,不僅可以提高開發(fā)效率,還能很好地完成多個(gè)傳感器的信息收集和處理。在連接ARM-Linux嵌入式平臺(tái)方面,采用UART 虛擬串口與嵌入式平臺(tái)進(jìn)行連接通信。
本系統(tǒng)的基本實(shí)現(xiàn)功能如下:
(1)連接各個(gè)傳感模塊,通過(guò)輸入輸出接口獲取傳感器傳遞過(guò)來(lái)的信息并且記錄;
(2)設(shè)置定時(shí)器,在規(guī)定的單元時(shí)間內(nèi),采集各個(gè)傳感設(shè)備的信息和控制設(shè)備的狀態(tài)。將他們的信息、狀態(tài)合成數(shù)據(jù)包,通過(guò)虛擬串口發(fā)送;
(3)利通虛擬串口通信,時(shí)刻檢測(cè)來(lái)自ARM-Linux平臺(tái)發(fā)送過(guò)來(lái)的控制信號(hào);
(4)分析串口傳遞過(guò)來(lái)的數(shù)據(jù)包,檢測(cè)數(shù)據(jù)來(lái)源確定是否合法,然后根據(jù)特定的控制代碼對(duì)單片機(jī)和各個(gè)控制模塊進(jìn)行控制。
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