【正文】 mption, high performance microprocessor and single bus digital temperature measurement device DS18B20 constitute temperature measuring system through wireless transceiver, and finally in PC plete configuration, display and alarm function. Used in the design of the microcontroller STC89C52RC and MCS51 MCU core has the same pin. But STC_ISP through STC89C52RC can burn to download data munication transceiver chip is an industrial grade NRF24L01 hardware link layer protocol built lowcost wireless transceiver operating in the GHz band global open ISM. In addition, the temperature sensor DS18B20 to bus line digital mode transmission, greatly improves the power system. Key words： SoC， STC89C52RC， NRF24L01， Temperature sensor DS18B20，Wireless 目 錄 第一章 緒 論 ...........................................................................................1 概述 .................................................................................................1 系統(tǒng)設(shè)計(jì)任務(wù)分析 ............................................................................2 第二章 總體方案設(shè)計(jì)與 選擇的論證 .........................................................3 單片機(jī)最小系統(tǒng) ...............................................................................3 單片機(jī)的說明 ............................................................................3 單片機(jī)的應(yīng)用 ............................................................................3 單片機(jī)的結(jié)構(gòu)特點(diǎn) ....................................................................4 單片機(jī)引腳配置 ........................................................................4 無線收發(fā)模塊介紹 ............................................................................8 概述 ............................................................................8 引腳功能及描述 .......................................................................9 工作模式 ................................................................................. 10 工作原理 ................................................................................. 10 配置字 .................................................................................... 12 應(yīng)用原理框圖 ........................................................... 13 數(shù)碼管溫度顯示和運(yùn)行指示燈電路 ................................................ 14 數(shù)碼管的基本結(jié)構(gòu) ............................................................. 14 數(shù)碼管動態(tài)顯示的工作原理 .................................................... 15 運(yùn)行指示燈說明 ...................................................................... 16 溫度采集電路 ................................................................................. 16 DS18B20 概述 .......................................................................... 16 DS18B20 的管腳配置和內(nèi)部結(jié)構(gòu) ............................................. 17 單總線介紹 ............................................................................. 19 的工作原理 ................................................................. 19 聲報(bào)警電路設(shè)計(jì) ............................................................................. 24 無線溫度采集軟件界面（ MFC） ..................................................... 24 第三章 軟件設(shè)計(jì)報(bào)告 ........................................................................... 29 單片機(jī)軟件設(shè)計(jì) ............................................................................. 29 發(fā)送部分軟件設(shè)計(jì) .................................................................. 29 溫度傳感 DS18B20............................................................... 29 LED 數(shù)碼管顯示 ................................................................... 34 無線模塊 NRF24L01（ 發(fā)送 ） ............................................... 35 接收部分軟件設(shè)計(jì) .................................................................. 35 無線模塊 NRF24L01（接收） ............................................... 35 LED 數(shù)碼管顯示 ................................................................... 35 串口通信 ............................................................................. 36 無線溫度采集軟件設(shè)計(jì) ........................................................... 38 串口設(shè)置 ............................................................................. 38 溫度上下限設(shè)置 .................................................................. 41 曲線顯示 ............................................................................. 42 流程圖設(shè)計(jì) .................................................................................... 45 發(fā)送部分流程圖 ..................................................................... 45 接收部分流程圖 ..................................................................... 46 MFC 程序流程圖 .................................................................... 47 操作說明（附圖） .......................................................................... 47 第四章 總結(jié)與展望 .............................................................................. 52 致 謝 ...................................................................................................... 54 參考文獻(xiàn) ................................................................................................. 55 附 錄 ...................................................................................................... 56 1 第一章 緒 論 隨著社會的進(jìn)步和生產(chǎn)的需要，利用無線通信進(jìn)行溫度數(shù)據(jù)采集的方式應(yīng)用已經(jīng)滲透到生活各個方面。 無線數(shù)據(jù)通信收發(fā)芯片 NRF24L01 是一款工業(yè)級內(nèi)置硬件鏈路層協(xié)議的低成本無線收發(fā)器 ， 工作于 GHz 全球開放 ISM 頻段 。 在這次的設(shè)計(jì)中采 用的 單片機(jī) STC89C52RC 的內(nèi)核和 MCS51 系列單片機(jī)一樣，引腳也相同 。 本文 對上述問題 提出一種無線解決方案， 即 基于 SoC 無線溫度采集系統(tǒng)的設(shè)計(jì)。 A Dissertation Submitted to Nanjing Institute of Technology For the Academic Degree of Bachelor of Science By supervised by College of Communication Engineering Nanjing Institute of Technology June 2020 The System Design of Shortdistance Wireless Temperature Collection Jiaojiao Yang Shuguang Zou NRF24l01 無線溫度傳感 摘要 隨著工農(nóng)業(yè)生產(chǎn)對溫 度的要求越來越高，準(zhǔn) 確測量溫度變得至關(guān)重要。本系統(tǒng)的 設(shè)計(jì)主要是針對惡劣環(huán)境下的工業(yè)現(xiàn)場以及高科技大范圍的農(nóng)業(yè)現(xiàn)場，布線困難，浪費(fèi)資源，占用空間，可操作性差等問題做出的一個解決方案。該系統(tǒng) 采用 低功耗、高性能單片