摘要本文介绍了一种基于MSP430单片机与nRF24L01的无线通信系统设计。该系统由单片机系统、nRF24L01无线模块、电源管理模块、复位电路等单元电路组成。该系统所用到的无线收发系统采用nRF24L01构成,利用单片机的内部ADC12进行模拟信号与数字信号的转换,应用把转换的结果内部DMA暂时存储在FLASH,通过SPI串口发送给nRF24L01,nRF24L01收到数据后通过无线发送与计算机相连的nRF24L01,在通过终端机进行处理分析。它的核心控制器采用体积小,低功耗的单片机MSP430实现。该系统主要应用于对于测试环境复杂的压力、温度等信号实时无线传输到终端进行处理分析。42463
关键词:单片机MSP430 nRF24L01 无线传输
毕业论文设计说明书外文摘要
Title The 2.4GHz Wireless Conmmunication System Design
Abstract
This article describes a wireless communication system based on MSP430 MCU and NRF24L01 design. The system consists of the SCM system, the nRF24L01 a wireless module, power management module, the reset circuit unit circuit. The system used by the wireless transceiver system uses nRF24L01, use of the microcontroller's internal ADC12 analog signal and digital signal conversion, the results of the conversion application internal DMA to temporarily store in FLASH.SPI send nRF24L01. nRF24L01 data received through the wireless send NETUSB2401L through the terminal machine processing and analysis. Its core controller, small size, to achieve low-power microcontroller MSP430. The system is mainly used in real-time wireless transmission of complex test environment pressure, temperature and other signals to the terminal for processing and analysis.
Keywords: SCM the MSP430 nRF24L01 Wireless transmission
目 次
1 引言 1
1.1 课题的背景与来源 1
1.2 无线通信系统的优势 2
1.3 课题的意义 3
1.4 课题的设计内容及优势 3
1.4.1 课题的设计内容 3
1.4.2 课题的优势 3
2 系统的总体方案设计 5
2.1 系统的简介 5
2.2 无线数据通信模块的基本原理 5
3 硬件电路设计 6
3.1 电源电路 6
3.1.1 电路设计 6
3.1.2 LP2985芯片简介 6
3.2 复位电路 7
3.2.1 MAX708芯片简介 7
3.2.2 复位电路设计 8
3.3 时钟电路 8
3.4 无线模块电路 8
3.4.1 nRF24L01芯片简介 9
3.4.2 nRF24L01无线模块电路 12
3.5 单片机模块控制电路 12
3.5.1 MSP430的简介 12
3.5.2 MSP430的功能特性 12
3.5.3 MSP430F5438A的管脚分配