MSP430 LaunchPad 开发板【入门必看】
LaunchPad使用说明
CCS5.1的详细安装步骤参考CCS5.1User`s guide for MSP430.pdf，现在有破解版的CCS5.1。
Code Composer Studio (CCS5.1)
Workspace
Project 1
Project 2 Project 3 Settings and preferences
USI with I2C and SPI support USCI with I2C, SPI and UART support Inverting and non-inverting inputs Selectable RC output filter Output to Timer_A2 capture input Interrupt capability
GPIO Code Example
P1DIR |= BIT0; //设置 P1.0为输出 P1OUT |= BIT0; //P1.0 输出高电平
For GPIO 中断相关寄存器
详细的参考MSP430x2xxFamily user guide.pdf
主要内容
LaunchPad实验板介绍
开发环境介绍
LaunchPad的应用
演示LaunchPad的电容触摸板
详细参考：430BOOST-SENSE1.pdf
LaunchPad应用1
• 基于心电图的心率监测仪（EKG-Based Heart-Rate Monitor Implementation on the LaunchPad Using the MSP430G2452MCU）
Link
Project Project Project Source files
Link
launchpad说明
玩Launchpad必然少了编译环境，什么编译软件适合初学者呢？在我个人认为，也是众多友友的想法，CCS(Code Composer Studio)不及IAR(IAR Embedded Workbench IDE )使用方便，但CCS作为TI DSP的官方软件，其功能确实很强大！各取所长，下面就详细说下用IAR 为Launchpad开发C语言吧！操作系统：Windows 7开发环境：IAR FOR MSP430 V5.30.1第一步：驱动安装IAR FOR MSP430 V5.30.1软件已集成Launchpad驱动，安装好IAR再将Launchpad与电脑箱连接，等待驱动安装完毕就可以了，一般成功安装是没问题的！如果不成功，检查下电脑与板子连接是否完好。
IAR FOR MSP430 V5.30.1下载地址在下面附上。
下载网址：要先登录115网盘，没有的一下子就可以注册的，然后点存至网盘，在自己网盘就可以下载了！/file/anodidvs加个百度网盘下载地址：/share/link?shareid=32705&uk=503898939第二步：建立工程废话不多说，双击软件图标2012-8-22 23:29 上传下载附件(4.38 KB)打开工程，点击工具栏上方的File-New-Workspace,新建工作组，再点击工具栏Project-Creat New Project,转到如图，下载附件(44.98 KB)接着点击如图所示，2012-8-22 22:51 上传下载附件(28.69 KB)接着会提示你保存工程文件，存在事先建好的文件夹内.下载附件(59.97 KB)选择 C - main，这里也可以选择Empty project，但选择 C -main的话，它会自己帮你新建一个main.c文件，并且把它加入到工程中。
给指定一个文件，并且把它加入到工程中。
给指定的工程名称msp430中。
【LaunchPad】开发板介绍
LaunchPad开发板介绍前言大家都拿到了超级便宜的LaunchPad的开发板，这些开发板有的朋友是拿来学习的，有的只是看着便宜先入手一个。
无论大家是出于什么目的都无所谓，现在板子到手了，咱们就要把他利用起来。
咱们EE论坛这次展开LaunchPad的千人大学习，我算是抛砖引玉发出此贴，希望大家一起来编写LaunchPad的中文教材，打造中国最全面的LaunchPad中文教材。
闲话不说了，介绍我挑重点的说，尽量少说废话。
开始了！开发板介绍首先，LaunchPad是一个完整的开发板。
板上包括仿真器和目标芯片，通过仿真器我们可以在线控制CPU的运行以及查看硬件寄存器；目标芯片就是我们编写的代码要下载到的芯片。
在图1所示的开发板照片中，照片中用黄色方框框出来的是仿真器，蓝色方框框出来的是目标板，也就是我们编写的代码最终要运行的地方。
套件内容LaunchPad的开发板包括以下内容：1、LaunchPad开发板2、MinUSB电缆3、两块MSP430G系列芯片– MSP430G2231: 低功耗16位单片机，片上拥有10位8通道的ADC、2K容量的Flash和128bytes 的RAM– MSP430G2211: 低功耗16位单片机，包括一个片上比较器以及2K容量的Flash和128bytes的SRAM4、2排10针的排针和2排10针的插座5、一只32.768-kHz的晶体仿真器介绍大家拿到开发板的时候可以看到在仿真器中最大的那块芯片也是一款1xx系列的MSP430单片机，但我们的代码并不是在这块单片机上运行的，这块单片机其实是充当了仿真器的功能，代码真正还是在目标板上的目标芯片上运行。
在初学阶段的话不需要再仿真器上花时间，仅仅把它当做工具使用即可。
通过图片可以看到，仿真器和目标板之间是通过跳线连接的。
其实这暗示着LaunchPad 上的仿真器不止可以调试下载Gxxx系列的芯片，它还可以调试下载eZ430-RF2500T开发板、eZ430-F2012T/F2013T开发板以及eZ430-Chronos手表。
【Energia开发环境】MSP430 LAUNCHPAD学习笔记5--串口
【Energia开发环境】MSP430LAUNCHPAD学习笔记5--串口(Serial UART)串口通信能够实现开发板与PC的相互传输数据，常用于开发板的调试，输出调试信息，直观的观察开发板运行的状况。
对于MSP430G2553的串口，需要注意的是由于LAUNCHPAD的版本不同，有1.4和1.5两个版本，如上图。
1.5版本的LAUNCHPAD可以在调试时直接使用硬件UART与电脑通信。
这次实验所使用的芯片型号为G2553，在包装和里也有G2452的芯片，所以要看清楚你所使用的是哪个芯片。
如果你手上正好有一块G25531.5版本的LAUNCHPAD，那就方便多了。
LAUNCHPAD板子上的仿真器串口最大通信速率为9600baud，我们在写程序的时候最好不要超过这个数值。
我们先来做个简单的串口实验：编写完程序后，连上板子，查看软件是否已正常连接开发板，然后下载程序。
常用函数：Serial.begin(speed):这个函数是对波特率的设定，常有的波特率有300,600,1200,2400, 4800,9600,14400,19200,28800,38400,57600,11520这些。
这里使用是9600baud。
print(val):在串口发送数据的时候，会将其转换为人类可阅读的ASCII字符。
∙Serial.print(78)输出"78"∙Serial.print(1.23456)输出"1.23"∙Serial.print('N')输出"N"∙Serial.print("Hello world.")输出"Hello world."也可以在print(val,format)中加入第二个参数，如：∙Serial.print(78,BIN)输出"1001110"∙Serial.print(78,OCT)输出"116"∙Serial.print(78,DEC)输出"78"∙Serial.print(78,HEX)输出"4E"∙Serial.println(1.23456,0)输出"1"∙Serial.println(1.23456,2)输出"1.23"∙Serial.println(1.23456,4)输出"1.2346"Serial.println(val,format)是print(val,)的加强版，只是在print生成的字符串后面加一个”\n”作为换行符。
MSP-EXP430G2开发板使用简单介绍
(4)、中断的嵌套：
当同时有多个中断来的时候才有优先级的考虑（优先级顺序可查看向量表）
实现中断嵌套需要注意以下几点： 1）430默认的是关闭中断嵌套的，一定要中断嵌套的话，就必须在中断服务程序中打开 总中断 msp430的指令中，_DINT()和_EINT()分别指关和开总中断。 2）当进入中断服务程序时，只要不在中断服务程序中再次开中断，则总中断是关闭的， 此时来中断不管是比当前中断的优先级高还是低都不执行； 3）若在中断服务程序A中开了总中断，则可以响应后来的中断B（不管B的优先级比A高 还是低），B执行完再继续执行A。注意：进入中断服务程序B后总中断同样也会关闭， 如 果B中断程序执行时需响应中断C，则此时也要开总中断，若不需响应中断，则不用 开中断，B执行完后跳出中断程序进入A程序时，总中断会自动打开； 4）若在中断服务程序中开了总中断，后来的中断同时有多个，则会按优先级来执行，即 中断优先级只有在多个中断同时到来时才起做用！中断服务不执行抢先原则。 5）对于单源中断,只要响应中断,系统硬件自动清中断标志位,对于TA/TB定时器的比较/捕 获中断,只要访问TAIV/TBIV,标志位倍被自动清除; 对于多源中断要手动清标志位,比如P1/P2口中断,要手工清除相应的标志,如果在这种中 断用"EINT();"开中断,而在打开中断前没有清标志,就会 有相同的中断不断嵌入,而导致 堆栈溢出引起复位,所以在这类中断中必须先清标志再打开中断开关.
Clock
FLASH
... JTAG/Debug
RAM
MAB 16
RISC CPU 16-bit
MDB 16
...
ACLK SMCLK
Digital Peripheral
Analog Peripheral
launchpad
单片机编程学习入门LaunchPad板实验报告一、LaunchPad实验板简介1概述名为LaunchPad的MSP-EXP430G2低成本试验板是一款适用于TI最新MSP430G2xx 系列产品的完整开发解决方案。
其基于USB的集成型仿真器可提供为全系列MSP430G2xx 器件开发应用所必需的所有软、硬件。
LaunchPad具有集成的DIP目标插座，可支持多达20个引脚，从而使MSP430ValueLine器件能够简便地插入LaunchPad电路板中。
此外，其还可提供板上Flash仿真工具，以直接连接至PC轻松进行编程、调试和评估。
LaunchPad试验板还能够对eZ430-RF2500T目标板、eZ430-Chronos手表模块或eZ430-F2012T/F2013T 目标板进行编程。
此外，它还提供了从MSP430G2xx器件到主机PC或相连目标板的9600波特UART串行连接。
详细可访以下了解更多/index.php/MSP430_LaunchPad_(MSP-EXP430G2) MSP-EXP430G2LaunchPad特性:•USB调试与编程接口无需驱动即可安装使用，且具备高达9600波特的UART串行通信速度•支持所有采用PDIP14或PDIP20封装的MSP430G2xx和MSP430F20xx器件•分别连接至绿光和红光LED的两个通用数字I/O引脚可提供视觉反馈•两个按钮可实现用户反馈和芯片复位•器件引脚可通过插座引出，既可以方便的用于调试，也可用来添加定制的扩展板•高质量的20引脚DIP插座，可轻松简便地插入目标器件或将其移除2安装安装MSP-EXP430G2LaunchPad时包含三个简单步骤：1.下载所需软件2.安装选定的IDE3.将LaunchPad连接至PC然后可使用LaunchPad开发应用或播放预先编好程的演示应用。
3.开始使用首次使用MSP-EXP430G2LaunchPad试验板时，演示应用将在该板从USB主机获得供电时立即自动启动。
MSP430入门
MSP430入门硬件初步这只是我在学习TI公司生产的16位超的功耗单片机MSP430的随笔，希望能对其他朋友有所借鉴，不对之处还请多指教。
下面，开始430之旅。
讲解430的书现在也有很多了，不过大多数都是详细说明底层硬件结构的，看了不免有些空洞和枯燥，我认为了解一个MCU的操作首先要对其基础特性有所了解，然后再仔细研究各模块的功能。
1.首先你要知道msp430的存储器结构。
典型微处理器的结构有两种：冯。
诺依曼结构——程序存储器和数据存储器统一编码；哈佛结构——程序存储器和数据存储器；msp430系列单片机属于前者，而常用的mcs51系列属于后者。
0－0xf特殊功能寄存器；0x10－0x1ff外围模块寄存器；0x200－？根据不同型号地址从低向高扩展；0x1000－0x107f seg_b0x1080_0x10ff seg_a 供flash信息存储剩下的从0xffff开始向下扩展，根据不同容量，例如149为60KB，0xffff－0x11002.复位信号是MCU工作的起点，430的复位信号有两种：上电复位信号POR和上电清除信号PUC。
POR 信号只在上电和RST/NMI复位管脚被设置为复位功能，且低电平时系统复位。
而PUC信号是POR信号产生，以及其他如看门狗定时溢出、安全键值出现错误是产生。
但是，无论那种信号触发的复位，都会使msp430在地址0xffff处读取复位中断向量，然后程序从中断向量所指的地址开始执行。
复位后的状态不写了，详见参考书，嘿嘿。
3.系统时钟是一个程序运行的指挥官，时序和中断也是整个程序的核心和中轴线。
430最多有三个振荡器，DCO内部振荡器；LFXT1外接低频振荡器，常见的32768HZ，不用外接负载电容；也可接高频450KHZ －8M，需接负载电容；XT2接高频450KHZ－8M，加外接电容。
（经验中发现，接XT2时，需要注意自己开启XT2，并延时50us等待XT2起振，然后手工清除IFG1中的OFIFG位，其操作顺序为：打开XT2->等待XT2稳定->切换系统时钟为XT2）430有三种时钟信号：MCLK系统主时钟，可分频1 2 4 8，供cpu使用，其他外围模块在有选择情况下也可使用；SMCLK系统子时钟，供外围模块使用，可选则不同振荡器产生的时钟信号；ACLK辅助时钟，只能由LFXT1产生，供外围模块。
LaunchPad入门指南
Introduction As applications continue to advance, 8-bit mi-crocontrollers are struggling to meet the growing demand for higher performance and ultra-low power to support evolving product designs. Texas Instruments introduced the affordable 16-bit MSP430™ MCU Value Line to meet the changing market dynamics and requirements faced by typical low-cost 8-bit MCU develop-ers. Taking the next step in providing a low-cost solution to the shortcomings of 8-bit MCUs, TI created the MSP430 MCU Value Line LaunchPad development kit to jump start application designs and provide a low-cost tool for developers of all experience levels. This overview will provide an introduction to the features and functionality of LaunchPad as well as everything included in the $4.30 kit. MSP430 Value Line LaunchPad Development KitAs the number of competitors grow and the time for taking products to market shrinks, the microcontroller (MCU) industry is being stretched by two opposing, but equally strong vectors. The growing demand for higher performance and ultra-low power functionality is matched only by an aggressive need for lower and lower price points. This is especially clear in low-cost applications that utilize 8-bit MCUs. To increase performance without breaking the bank, developers of low-cost 8-bit MCUs must migrate to higher performance 16-bit MCUs that are available at affordable price points.In high volume and quick turnover markets such as consumer and personal electronics, the need for a highly differentiated MCU, while maintaining aggressive price points, is a constant struggle. For instance, the market for 3D glasses has exploded in the recent months, both on the big and small screen. As this market trend moves up and to the right, developers are hard at work in creating technological solutions that provide a unique and immersive experience while remaining affordable. By providing more affordable solutions, developers hope to minimize the risks and barriers associated with new and fast moving markets.For many, this barrier to success is prohibited by a limited MCU core. Many developersof 8-bit MCUs have completely exhausted the full capabilities of their MCU due to limited data throughput and inefficient interfacing with higher resolution analog and digital peripherals. To enable increased functionality and improve feature sets of existing projects, developers must migrate to higher performance 16-bit MCUs.The MSP430 MCU Value Line series provides a migration path for many of these constrained 8-bit MCU developers. At no additional cost, the affordable MSP430 MCU Value Line devices offer a 16-bit architecture, higher precision timers and improved peripheral integration and interfacing, enabling improved performance and lower power consumption. The implementation of 16-bit MCUs enable up to 10 times improved performance and10 times lower power when compared to many low-cost 8-bit applications. Currently, the MSP430 MCU Value Line series offers 27 ultra-low power 16-bit devices that offer varying levels of analog integration, communication modules and package types. At 100K unit volumes, MSP430 MCU Value Line devices start at just $0.25 USD, ensuring thatAdrian FernandezMSP430 MicrocontrollersTexas Instruments W H I T E P A P E R2Texas Instrumentsdevelopers do not have to sacrifice price for improved performance. Additionally, the MSP430 MCUValue Line series will continue to grow to more than 100 devices through the second half of 2011.This roadmap will introduce higher memory sizes, more package options and additional integrated analogand digital peripherals.To make the transition from 8- to 16-bit MCUs more seamless, Texas Instruments (TI) listened to therequirements of developers and created the new MSP430 MCU Value Line LaunchPad development kit.Furthering the commitment to add performance and value to MCU designs with the MSP430 MCU ValueLine, TI introduced LaunchPad to lower the barrier of entry for developers new to 16-bit architectures, orthose new to MCU design, in general. The LaunchPad kit is TI’s simple, yet thorough, introduction to 16-bitMCU development, offering all of the hardware and software a developer needs to get started for just $4.30USD. Within minutes of opening the LaunchPad kit, users can begin interfacing with push buttons, LEDsand the on-chip peripherals of the MSP430 MCU Value Line devices. See Figure 1 below:For just $4.30, the LaunchPad kit includes a development board with an integrated USB-powered flashemulation tool for programming and debugging any of the existing MSP430 MCU Value Line devices. AnyMSP430G2xx MCU in a DIP package can be dropped into the DIP target socket of LaunchPad, which allowseasy evaluation of any MSP430 MCU Value Line device. The flexible target socket allows developers toremove their freshly programmed and debugged MSP430G2xx MCU to be plugged into a custombreadboard or PCB so that customers are not constrained to the form factor of the LaunchPad board.Alternatively, developers can use LaunchPad as a standalone system, by leaving the MSP430G2xx deviceplugged into the board to leverage on-board and programmable push buttons and LEDs. Additionally, everypin of the MSP430G2xx device is fully accessible, allowing easy interfacing of external components orcustom daughter cards. Figure 1.3Texas Instruments Figure 2. $4.30 LaunchPad kit offers the hardware and software needed to start developing applications, and is backed by an active online community to quicken time to market.Also provided in the kit are free, downloadable software compilers and debuggers including TI’s owneclipse-based Code Composer Studio™ version 4 and IAR Embedded Workbench Kickstart. Theseindependent development environments (IDEs) are full featured and are completely compatible withLaunchPad and the MSP430 MCU Value Line devices available today. This complements the hardwarefeatures of the LaunchPad board by providing a complete software component as well. Using either IDE,users can then leverage MSP430 MCU code examples, open source projects and other free onlineresources, which can be accessed on LaunchPad’s Wiki page, /launchpadwiki .The unlimited access to the LaunchPad Wiki promotes collaboration and simple sharing of solutions andideas, making LaunchPad a complete development environment. This active and growing online communitysupplements the hardware and software components of the LaunchPad package and provides instantsupport, projects and helpful hints that will be shared through the Wiki pages and E2E™ forums.To fully benefit from 16-bit architecture and ultra-low power performance, the MSP430 MCU Value Lineseries and LaunchPad development kit offers a complete and simple introduction to quicken developers’time to market. By providing 16-bit performance at 8-bit price points, and complete development tools forjust $4.30, TI would like to welcome both new and experienced users to the world of high performanceand affordable MCU development.A042210Important Notice: The products and services of Texas Instruments Incorporated and its subsidiaries described herein are sold subject to TI’s standard terms and conditions of sale. Customers are advised to obtain the most current and complete information about TI products and services before placing orders. TI assumes no liability for applications assistance, customer’s applications or product designs, software performance, or infringement of patents. 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LaunchPad 开发板介绍
前言
大家都拿到了超级便宜的LaunchPad 的开发板，这些开发板有的朋友是拿来学习的，有
的只是看着便宜先入手一个。
无论大家是出于什么目的都无所谓，现在板子到手了，咱们就要把他利用起来。
咱们EE 论坛这次展开LaunchPad 的千人大学习，我算是抛砖引玉发出此
贴，希望大家一起来编写LaunchPad 的中文教材，打造中国最全面的LaunchPad 中文教材。
闲话不说了，介绍我挑重点的说，尽量少说废话。
开始了！
开发板介绍
首先，LaunchPad 是一个完整的开发板。
板上包括仿真器和目标芯片，通过仿真器我们
可以在线控制CPU 的运行以及查看硬件寄存器；目标芯片就是我们编写的代码要下载到的芯片。
在图1 所示的开发板照片中，照片中用黄色方框框出来的是仿真器，蓝色方框框出来
的是目标板，也就是我们编写的代码最终要运行的地方。
套件内容
LaunchPad 的开发板包括以下内容：
1 、LaunchPad 开发板
2 、MinUSB 电缆
3 、两块MSP430G 系列芯片
–MSP430G2231: 低功耗16位单片机，片上拥有10位8 通道的ADC、2K容量的Flash 和128bytes
的RAM
–MSP430G2211: 低功耗16位单片机，包括一个片上比较器以及2K容量的Flash和128bytes的
SRAM
4 、2 排10针的排针和2 排10针的插座
5 、一只32.768- kHz 的晶体
仿真器介绍
大家拿到开发板的时候可以看到在仿真器中最大的那块芯片也是一款1xx 系列的
MSP430单片机，但我们的代码并不是在这块单片机上运行的，这块单片机其实是充当了仿真器的功能，代码真正还是在目标板上的目标芯片上运行。
在初学阶段的话不需要再仿真器上花时间，仅仅把它当做工具使用即可。
通过图片可以看到，仿真器和目标板之间是通过跳线连接的。
其实这暗示着LaunchPad
上的仿真器不止可以调试下载Gxxx 系列的芯片，它还可以调试下载eZ430 - RF2500T开发板、
eZ430 - F2012T/F2013T开发板以及eZ430 - Chronos 手表。
它还有一个重要的功能是提供了目标
板串口到PC的链接，串口速率为9600。
仿真器使用的是minUSB接口，USB电缆在开发套件中
包含。
可以利用IA R（For MSP430 ）集成开发环境或者TI 自己推出的CCS（Code Composer Studio）
对应用进行仿真、调试以及下载。
仿真器对全速硬件断点以及单步执行是完全支持的。
图1 开发板实物
目标板介绍
目标板上有一个20针的DIP 插座可以用于更换MSP430单片机，芯片所有管脚全部通
仿
目标板介绍
目标板上有一个20针的DIP 插座可以用于更换MSP430单片机，芯片所有管脚全部通
仿真器
目标板
2 LED 按键
过开发板两侧的排插引出，可以比较方便的进行拓展实验，比如焊上排针插座后就可以使用触摸板（LaunchPad 套件本身不包含）。
板上还有2 个LED 和一个通用按键，还有一个按键
旁边标有reset是复位按键。
板上有很多的跳线J1 和J2 是将IO 引出的比较容易理解。
J3 是用于和eZ430 开发板连接的跳线。
J4是仿真器和目标板间连接跳线其功能如下表所示：
J5 选择MSP430的IO 接口P1.0 和P1.6 和LED 的连接，J6 是用于外部供电。
具体的连
接可以参考附
录中的电路图（MSP-EXP430G2 LaunchPad Experimenter Board User's Guide的电路图部分）。
本文大量参考了MSP-EXP430G2 LaunchPad Experimenter Board User's Guide 内容，文档号SLAU318。
海盗郭兆广
2012- 06-14。