多功能出租車計價器.doc
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多功能出租車計價器,目 錄第1節(jié) 引 言·································································· 11. 1 出租車計價器概述····························································...
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此文檔由會員 隨遇而安hab 發(fā)布多功能出租車計價器
目 錄
第1節(jié) 引 言·································································· 1
1. 1 出租車計價器概述········································································· 1
1. 2 本設(shè)計任務(wù)··················································································· 1
1.2.1 設(shè)計任務(wù)················································································· 1
1.2.2 設(shè)計要求················································································· 1
1. 3 系統(tǒng)主要功能··············································································· 2
第2節(jié) 出租車計價器硬件設(shè)計················································· 3
2.1 系統(tǒng)的硬件構(gòu)成及功能···································································· 3
2. 2 AT89S51單片機及其引腳說明·························································· 3
2.3 AT24C02引腳圖及其引腳功能··························································· 6
2. 4 AT24C02 掉電存儲單元的設(shè)計························································· 6
2.5 里程計算、計價單元的設(shè)計····························································· 7
2.6 數(shù)據(jù)顯示單元設(shè)計·········································································· 8
第3節(jié) 系統(tǒng)軟件設(shè)計···························································10
3. 1 系統(tǒng)主程序設(shè)計············································································ 10
3. 2 定時中斷程序設(shè)計········································································ 10
3. 3 里程計數(shù)中斷服務(wù)程序設(shè)計···························································· 10
3.4 中途等待中斷服務(wù)程序設(shè)計···························································· 10
3. 5 鍵盤服務(wù)程序設(shè)計·········································································10
3. 6 顯示子程序服務(wù)程序設(shè)計······························································· 10
第4節(jié) 系統(tǒng)調(diào)試與測試結(jié)果分析·············································· 13
4. 1 使用的儀器儀表··········································································· 13
4.2 系統(tǒng)調(diào)試····················································································· 13
4.3 測試結(jié)果····················································································· 13
4.4 測試結(jié)果分析·············································································· 13
第5節(jié) 結(jié)束語································································· 14
附錄··········································································· 15
參考文獻(xiàn)······································································· 40
