一：基础实验功能：控制IO口实现流水灯的一次点亮并循环下去#include"msp430x14x.h"void delay(unsigned int a){unsigned int i,j;for(j=a;j>0;j--)for(i=80;i>0;i--);}void main(void){WDTCTL=WDTPW+WDTHOLD;P2DIR|=0XF0; //1111-0000 1表示输出，0表示输入P2OUT&=0X0F; //0000-1111 输出寄存器while(1){P2OUT|=BIT4;delay(800);P2OUT|=BIT5;delay(800);P2OUT|=BIT6;delay(800);P2OUT|=BIT7;delay(800);P2OUT&=0X0F;delay(800);}}二：IO口控制（IO口中断）实验功能：利用IO口中断实现按键中断，当按键按下时对应LED等亮#include<msp430x14x.h>#pragma vector=PORT2_VECTOR //声明中断源是IO口2 的中断__interrupt void port2(void);void main(void){WDTCTL=WDTPW+WDTHOLD;_EINT();P2DIR|=BIT4;P2DIR&=~BIT0;P2IE|=BIT0 ;P2IES|=BIT0 ;_BIS_SR(LPM3_bits + GIE); //开总中断并使CPU进入低功耗模式while(1);}__interrupt void port2(void){if((P2IN&BIT0)==BIT0)P2OUT&=~BIT4;elseP2OUT|=BIT4;}三：数码管实验功能：编程实现6个数码管依次显示1到6/******************************************************************** **********____ ____ ____ ____ ____ ____f| a |b | | | | | | | | | ||____| |____| |____| |____| |____| |____|e| g |c | | | | | | | | | ||____| |____| |____| |____| |____| |____|d LED6 | LED5 | LED4 | LED3 | LED2 | LED1| | | | | |P5.7 P5.6 P5.5 P5.4 P5.3 P5.2a--P4.0 b--P4.1 c--P4.2 d--P4.3 e--P4.4 f--P4.5 g--P4.6.--P4.7 段码1选通P5.2--P5.7 位码0导通// 跳线P14 P15 P5 P6 P7 P8********************************************************************* **********/#include"msp430x14x.h"#define uchar unsigned charunsigned char table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};unsigned char seg[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb};void display(uchar i,uchar j){P5OUT=seg[i];P4OUT=table[j];}void main(){WDTCTL=WDTPW+WDTHOLD;P5DIR|=(BIT2+BIT3+BIT4+BIT5+BIT6+BIT7);P4DIR|=(BIT0+BIT1+BIT2+BIT3+BIT4+BIT5+BIT6+BIT7);while(1){display(0,1);display(1,2);display(2,3);display(3,4);display(4,5);display(5,6);}}四：独立按键综合实验//*************************************************************** // 描述：// 有按键中断时，LED5,LED6,LED7,LED8亮与灭；//// 跳线：P9 P10 P17*************************************************************** #include <msp430x14x.h>#define led5_pout P2DIR|=BIT4 //通讯状态指示灯设置为输出口#define led5_high P2OUT|=BIT4 //通讯状态指示灯输出高点亮指示灯#define led5_low P2OUT&=~BIT4 //通讯状态指示灯输出低关闭指示灯#define led6_pout P2DIR|=BIT5 //通讯状态指示灯设置为输出口#define led6_high P2OUT|=BIT5 //通讯状态指示灯输出高点亮指示灯#define led6_low P2OUT&=~BIT5 //通讯状态指示灯输出低关闭指示灯#define led7_pout P2DIR|=BIT6 //通讯状态指示灯设置为输出口#define led7_high P2OUT|=BIT6 //通讯状态指示灯输出高点亮指示灯#define led7_low P2OUT&=~BIT6 //通讯状态指示灯输出低关闭指示灯#define led8_pout P2DIR|=BIT7 //通讯状态指示灯设置为输出口#define led8_high P2OUT|=BIT7 //通讯状态指示灯输出高点亮指示灯#define led8_low P2OUT&=~BIT7 //通讯状态指示灯输出低关闭指示灯unsigned char led5,led6,led7,led8,flag;void delay(unsigned int i){while(i--);}void IOinit(void){led5_pout;led6_pout;led7_pout;led8_pout;led5_low;led6_low;led7_low;led8_low;P2IE|=BIT0+BIT1+BIT2+BIT3;P2IES|=BIT0+BIT1+BIT2+BIT3;}void main(void){WDTCTL=WDTPW+WDTHOLD;IOinit();_EINT();while(1){switch(flag){case 1: if(led5%2)led5_high;else led5_low;flag=0;break;case 2: if(led6%2)led6_high; else led6_low;flag=0;break;case 3: if(led7%2)led7_high; else led7_low;flag=0;break;case 4: if(led8%2)led8_high; else led8_low;flag=0;break;default: break;}_BIS_SR(LPM3_bits+GIE);}}#pragma vector=PORT2_VECTOR__interrupt void port2 (void){delay(40000);//去抖；if((P2IFG&BIT0)==BIT0){led5++;flag=1;}if((P2IFG&BIT1)==BIT1){led6++;flag=2;}if((P2IFG&BIT2)==BIT2){led7++;flag=3;}if((P2IFG&BIT3)==BIT3){led8++;flag=4;}P2IFG=0;_BIC_SR_IRQ(LPM3_bits);}五：行列式键盘实验/**************************************************************** // P6.7 P6.6 P6.5 +3V// | | | |// P6.1------ /---- /----- /----R--|// | | | |// P6.2------ /---- /----- /----R--|// | | | |// P6.3------ /---- /----- /----R--|// | | | |// P6.4------ /---- /----- /----R--|// 跳线 P2 P3****************************************************************/ #include"msp430x14x.h"#include"key.h"void delay(unsigned int i){while(i--);}unsigned char key(void){unsigned char x=0XFF;P6DIR=0XE0;P6OUT=0X7F;// //扫描第一列 if((P6IN&0X02)==0X00)x=12; //x=0;elseif((P6IN&0X04)==0)x=11;//x=1;elseif((P6IN&0X08)==0)x=10;//x=2;elseif((P6IN&0X10)==0)x=9;else{P6OUT=0XBF;// //扫描第二列 if((P6IN&0X02)==0X00)x=8; //x=0;elseif((P6IN&0X04)==0)x=7;//x=1;elseif((P6IN&0X08)==0)x=6;//x=2;elseif((P6IN&0X10)==0)x=5;else{P6OUT=0XDF; //扫描第三列if((P6IN&0X02)==0X00)x=4; //x=0;elseif((P6IN&0X04)==0)x=3;//x=1;elseif((P6IN&0X08)==0)x=2;//x=2;elseif((P6IN&0X10)==0) x=1;}}return(x);}unsigned char get_key(void){unsigned char x,y;if((P6IN&0X1F)!=0X1F){delay(20);if((P6IN&0X1F)!=0X1F){x=key();if(x!=0xFF)y=x;}}return y;}六：看门狗程序//*************************************************************** *// MSP430F149// -----------------// /|\| XIN|-// | | |// --|RST XOUT|-// | |// | P1.1|-->LED//*************************************************************** *#include <msp430x14x.h>void main(void){WDTCTL = WDT_MDLY_0_064; // Set Watchdog Timer interval to ~30msIE1 |= WDTIE; // Enable WDT interruptP1DIR |= 0x02; // Set P1.1 to output direction_BIS_SR(LPM0_bits + GIE); // Enter LPM0 w/ interrupt}// Watchdog Timer interrupt service routine#pragma vector=WDT_VECTOR__interrupt void watchdog_timer(void){P1OUT ^= 0x02; // Toggle P1.1 using exclusive-OR}七：TimerA 定时/计数器//*************************************************************** *// MSP-FET430P140 Demo - Timer_A, Toggle P1.1/TA0, Up Mode, 32kHz ACLK //// Description: Toggle P1.1 using hardware TA0 output. Timer_A is configured// for up mode with CCR0 defining period, TA0 also output on P1.1. In this// example, CCR0 is loaded with 1000-1 and TA0 will toggle P1.1 at TACLK/1000.// Thus the output frequency on P1.1 will be the TACLK/2000. No CPU or software// resources required. Normal operating mode is LPM3.// As coded with TACLK = ACLK, P1.1 output frequency = 32768/2000 = 16.384Hz.// ACLK = TACLK = 32kHz, MCLK = default DCO ~800kHz// //* External watch crystal installed on XIN XOUT is required for ACLK *////// MSP430F149// -----------------// /|\| XIN|-// | | | 32kHz// --|RST XOUT|-// | |// | P1.1/TA0|--> ACLK/2000//// 跳线：J10 Timer_A P0//*************************************************************** *#include <msp430x14x.h>void main(void){WDTCTL = WDTPW + WDTHOLD; // Stop WDTP1DIR |= 0x02; // P1.1 output 选择P1.1为输出P1SEL |= 0x02; // P1.1 option select外围模块CCTL0 = OUTMOD_4; // CCR0 toggle mode 输出为反转模式 CCR0 = 1000-1;TACTL = TASSEL_1 + MC_1; // ACLK, upmode_BIS_SR(LPM3_bits); // Enter LPM3 w/interrupt}//#include//typedef unsigned char uchar;//typedef unsigned int uint;//uchar flag=0;//void main(void)//{// WDTCTL=WDTPW+WDTHOLD;// BCSCTL1 &= ~XT2OFF;// BCSCTL2 |=SELS+DIVS_3;// P3DIR |= BIT4;// TACTL=TASSEL_2+MC_2+TAIE;//_BIS_SR(LPW0_bits+GIE);//}//Timer_A3 Interrupt Vector( TATV) handler//#pragma vector=TIMERA1_VECTOR//__interrupt void Timer_A(void)//{// switch(TAIV)// {// case 2: break;// case 4: break;// case 10: P4OUT ^=BIT5;// break;// }//}//Timer A0 interrupt service routine//#pragma vector=TIMERA0_VECTOR//__interrupt void Timer_A (void)//{// P4OUT ^= BIT5;八：TimerB 定时/计数器//*************************************************************** /// MSP-FET430P140 Demo - Timer_B, Toggle P1.1, CCR0 Up Mode ISR, 32kHz ACLK// Description: Toggle P1.1 using software and the TB_0 ISR. Timer_B is// configured for up mode, thus the timer overflows when TBR counts // to CCR0. In this example, CCR0 is loaded with 1000-1.// Toggle rate = 32768Hz/(2*1000) = 16.384Hz// ACLK = TBCLK = 32kHz, MCLK = SMCLK = default DCO ~800kHz// //* An external watch crystal on XIN XOUT is required for ACLK *////// MSP430F149// ---------------// /|\| XIN|-// | | | 32kHz// --|RST XOUT|-// | |// | P1.1|-->LED//// 跳线：J10 Timer_A P0//*************************************************************** *#include <msp430x14x.h>void main(void){WDTCTL = WDTPW + WDTHOLD; // Stop WDTP1DIR |= 0x02; // Set P1.1 to output directionTBCTL = TBSSEL_1 + TBCLR; // ACLK, clear TBRTBCCTL0 = CCIE; // TRCCR0 interrupt enabledTBCCR0 = 1000-1;TBCTL = TBSSEL_1 + MC_1; // ACLK, upmode_BIS_SR(LPM3_bits + GIE); // Enter LPM3 w/ interrupt// Timer B0 interrupt service routine#pragma vector=TIMERB0_VECTOR__interrupt void Timer_B (void){P1OUT ^= 0x02; // Toggle P1.1 using exclusive-OR}九：串口通信实验一/**************************************************************** // MSP-FET430P140 Demo - USART0,//// Description: USART0 RX interrupt triggers TX Echo. Though not required,// Baud rate divider with 3.2768Mhz XTAL @9600 = 3.2768MHz/9600 = 0003h;// MSP430F149// -----------------// /|\| XIN|-// | | | 3.2768MHz// --|RST XOUT|-// | |// | P3.4|------------>// | | 9600// | P3.5|<------------//// 跳线串行( P8 P9) 数码管( P14 P15 P5 P6 P7 P8)***************************************************************** #include <msp430x14x.h>#include "led.h"#define uchar unsigned charextern unsigned char num[11];extern unsigned char wei[7];extern void display(uchar W,uchar sz);uchar aa;/*****************串口初试化设置********************/void uart_org(void){ME1 |= UTXE0 + URXE0; // Enable USART0 TXD/RXD //使能串口UCTL0 |= CHAR; // 8-bit character //数据格式为8位UTCTL0 |= SSEL0; // UCLK = ACLK //选择时钟来源 UBR00= 0x03; // 32768/9600 //波特率寄存器低字节UBR10= 0x00; //波特率寄存器高字节UMCTL0= 0x4a; //由于波特率计数有余数，填写波特率调整寄存器P3SEL |= 0x30; // P3.4,5 = USART0 TXD/RXD 定义串口功能引脚P3DIR |= 0x10; //P3.4口为输出，其余为输人口UCTL0 &= ~SWRST; // Initialize USART state machineIE1 |= URXIE0; // Enable USART0 RX interrupt 接受数据能中断}/*****************串口发送字符串程序*****************/void UartStr(unsigned char *p){ *p=0x02;//unsigned char strunsigned char i;for (i=0;*p!=0;i++) //准备要发送的数据{ //下句UTXIFG0=1则正在发送数据，即不再发送其它数据while (!(IFG1 & UTXIFG0)); // USART0 TX buffer ready?判断缓冲区是否为空TXBUF0 =*p++; // RXBUF0 to TXBUF0 //发送数据到串口while ((UTCTL0 & TXEPT) == 0); //判断数据是否发送完毕}_NOP();}void main(){WDTCTL=WDTPW+WDTHOLD; //关闭看门狗uart_org( ); //串口初始化_EINT(); //总中断开启UartStr("请输入abcdef之一!\r\t\n");UartStr("a--1,b--2,c--3,d--4,e--5,f--6\r\t\n");while(1){switch (aa){case 97:display(0,1); break;case 98:display(1,2);break;case 99:display(2,3);break;case 100:display(3,4);break;case 101:display(4,5);break;case 102:display(5,6);break;default:break;}_BIS_SR(LPM3_bits+GIE); //初始化完毕，进入睡眠状态 }}#pragma vector=UART0RX_VECTOR__interrupt void usart0_rx (void){aa=RXBUF0; //接收的数据赋值给 aa_BIC_SR_IRQ(LPM3_bits); //停止休眠}十：串口通信实验二/**************************************************************** // MSP-FET430P140 Demo - USART1,//// Description: USART0 RX interrupt triggers TX Echo. Though not required,// Baud rate divider with 3.2768Mhz XTAL @9600 = 3.2768MHz/9600 = 0003h;// MSP430F149// -----------------// /|\| XIN|-// | | | 3.2768MHz// --|RST XOUT|-// | |// | P3.6|------------>// | | 9600// | P3.7|<------------//// 跳线串行( P8 )***************************************************************** #include <msp430x14x.h>unsigned char send,NR,zs;unsigned char tx_buf[20];//***************延时**********************************void delay( char i){unsigned char aa=10;while(aa--)while(i--);}//**************串口初试化设置************************/void uart_org(void){ME2 |= UTXE1 + URXE1; // Enable USART1 TXD/RXD UCTL1 |= CHAR; // 8-bit characterUTCTL1 |= SSEL0; // UCLK = ACLKUBR01 = 0x03; // 32768/9600UBR11 = 0x00; //UMCTL1 = 0x4a; // modulationP3SEL |= 0xC0;UCTL1 &= ~SWRST; // Initialize USART state machineIE2 |= URXIE1; // Enable USART1 RX interrupt}//********************发送数据****************************void Uart_Str(unsigned char number,unsigned char *p){unsigned char i;for (i=0;i<number;i++)//准备要发送的数据{while (!(IFG2 & UTXIFG1));// USART0 TX buffer ready?TXBUF1 =*p++; // RXBUF0 to TXBUF0while ((UTCTL1 & TXEPT) == 0);}_NOP();}//********************发送数据****************************void UartStr(unsigned char *p){unsigned char i;for (i=0;*p!=0;i++)//准备要发送的数据{while (!(IFG2 & UTXIFG1));// USART0 TX buffer ready? TXBUF1 =*p++; // RXBUF0 to TXBUF0while ((UTCTL1 & TXEPT) == 0);}_NOP();}//***************接收串行数据***************************// void AddUsData(unsigned char sq0){if(NR<20){tx_buf[NR]=sq0;NR++;}}void main(void){WDTCTL=WDTPW+WDTHOLD;uart_org();//UartStr("unsigned char *p");while(1){delay(50);UartStr(tx_buf);// Uart_Str(zs,tx_buf);for(unsigned char i=zs;i>0;i--)tx_buf[i]=0;zs=0;NR=0;_BIS_SR(LPM3_bits+GIE);}}#pragma vector=UART1RX_VECTOR__interrupt void usart1_rx (void){zs++;AddUsData(RXBUF1);_BIC_SR_IRQ(LPM3_bits);}十一：AD转换实验//*************************************************************** *// MSP-FET430P140 Demo - ADC12, Sample A0, Set P1.0 if A0 > 0.5*AVcc //// Description: A single sample is made on A0 with reference to AVcc.// Software sets ADC10SC to start sample and conversion - ADC12SC // automatically cleared at EOC. ADC12 internal oscillator times sample (16x)// and conversion. In Mainloop MSP430 waits in LPM0 to save power until ADC12// conversion complete, ADC12_ISR will force exit from LPM0 in Mainloop on// reti. If A0 > 0.5*AVcc, P1.0 set, else reset.//// MSP430F149// -----------------// /|\| XIN|-// | | |// --|RST XOUT|-// | |// Vin-->|P6.7/A7 P2 |--> LED////*************************************************************** *#include <msp430x14x.h>#define led5_pout P2DIR|=BIT4 //通讯状态指示灯设置为输出口#define led5_high P2OUT|=BIT4 //通讯状态指示灯输出高点亮指示灯#define led5_low P2OUT&=~BIT4 //通讯状态指示灯输出低关闭指示灯#define led6_pout P2DIR|=BIT5 //通讯状态指示灯设置为输出口#define led6_high P2OUT|=BIT5 //通讯状态指示灯输出高点亮指示灯#define led6_low P2OUT&=~BIT5 //通讯状态指示灯输出低关闭指示灯#define led7_pout P2DIR|=BIT6 //通讯状态指示灯设置为输出口#define led7_high P2OUT|=BIT6 //通讯状态指示灯输出高点亮指示灯#define led7_low P2OUT&=~BIT6 //通讯状态指示灯输出低关闭指示灯#define led8_pout P2DIR|=BIT7 //通讯状态指示灯设置为输出口#define led8_high P2OUT|=BIT7 //通讯状态指示灯输出高点亮指示灯#define led8_low P2OUT&=~BIT7 //通讯状态指示灯输出低关闭指示灯void delay(unsigned int a){unsigned int i,j;for(j=a;j>0;j--)for(i=8;i>0;i--);}void main(void){WDTCTL = WDTPW + WDTHOLD; // Stop WDT_EINT();ADC12CTL0 = SHT0_2 + ADC12ON; // Set sampling time, turn on ADC12 //上面语句是打开ADC12电源，并设置采样时间=2^2*(4*clk)=16clk即为16个时钟ADC12CTL1 = CSTARTADD_7 + SHP; // Use sampling timerADC12MCTL7|=INCH_7;ADC12IE = 0x0080; // Enable interrupt 使能中断 ADC12IFG.0 对应于 ADC12MEM0ADC12CTL0 |= ENC; // Conversion enabled 使能转换P6SEL |= 0x80; // P6.0 ADC option select 定义P6.0为模拟输入通道0led5_pout;led6_pout;led7_pout;led8_pout;led5_low;led6_low;led7_low;led8_low;for (;;){ADC12CTL0 |= ADC12SC; // Sampling open 开始启动转换_NOP();// _BIS_SR(CPUOFF + GIE); // LPM0, ADC12_ISR will force exit }}// ADC12 interrupt service routine#pragma vector=ADC_VECTOR__interrupt void ADC12_ISR (void){if (ADC12MEM7 < 0x3FF)led5_low; // Clear P2.4 LED offelseled5_high; // Set P2.4 LED onif (ADC12MEM7 < 0x6FF)led6_low; // Clear P2.5 LED offelseled6_high;if (ADC12MEM7 < 0x9FF)led7_low; // Clear P2.6 LED offelseled7_high;if (ADC12MEM7 < 0xCFF)led8_low; // Clear P2.7 LED offelseled8_high;// _BIC_SR_IRQ(CPUOFF); // Clear CPUOFF bit from 0(SR) }十二：IIC总线与24c16综合实验主程序//*************************************************************** // 描述：// 开机发送数给24C16，然后将数据读出，并通过串口工具显示；//// 跳线： P6 P8 P9//*************************************************************** #include "msp430x14x.h"#include "Uart.h"#include "24c16.h"#define uchar unsigned charunsigned char *D,*M,add,ACK_FLAG,flag;unsigned char MPM[32];//unsigned char DDT[32]=// {// 0xf3,0x16,0x69,0x21,0xd3,0x15,0xc5,0x23,// 0xb6,0x28,0x85,0x25,0xc3,0x24,0xd7,0x16,// 0xf3,0x16,0x69,0x21,0xd3,0x15,0xc5,0x23,// 0xb6,0x28,0x85,0x25,0xc3,0x24,0xd7,0x16// };unsigned char DDT[32]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,//0 1 2 3 4 5 6 70x38,0x39,0x41,0x42,0x43,0x44,0x45,0x46,//8 9 A B C D E F0x47,0x48,0x49,0x4A,0x4B,0x4C,0x4D,0x4E, //G H I J K L M N0x4F,0x50,0x51,0x52,0x53,0x54,0x55,0x56, //O P Q R S T U V};void main(void){unsigned int i;WDTCTL=WDTPW+WDTHOLD;uart_org();UartStr("开机测试成功!\r\t\n");D=(unsigned char*)DDT;add=0; //24C01内数据读写首地址M=(unsigned char*)MPM;delay(100);for(i=0;i<4;i++){send_word();delay(1000);add+=8;}add=10;for(i=0;i<32;i++)receive_word(i);Uart_Str(32,&MPM[0]);TXBUF0 = MPM[7];}子程序 24C16#include <msp430x14x.h>#include "24c16.h"#define uchar unsigned charextern uchar ACK_FLAG,add,*D,MPM[32];void delay(unsigned int i){while(i-- > 0);}void start(void){SDA_OUT;SCL_OUT;SDA_0;SCL_0;delay(2);SDA_1;SCL_1;delay(2);SDA_0;delay(2);SCL_0;delay(3);SDA_1;}void stop(void){SDA_OUT;SCL_OUT;SDA_0;SCL_1;delay(2);SDA_1;}void send_byte(uchar data){uchar bi,i;bi=0x80;SDA_OUT;SCL_OUT;for(i=0;i<8;i++){if((data&bi)==bi) SDA_1;else SDA_0;SCL_1;delay(50);SCL_0;bi>>=1;}}uchar receive_byte(void){uchar i,temp=0x80,tempdata;tempdata=0;SDA_IN;SCL_OUT;for(i=0;i<8;i++){SCL_1;if((P5IN&BIT1)==BIT1) tempdata|=temp; temp>>=1;SCL_0;}return(tempdata);}void ack(void){SCL_OUT;SDA_IN;SCL_1;ACK_FLAG=0;if((P5IN&BIT1)) ACK_FLAG=1;SCL_0;delay(10);}void i2c_ack(uchar tm){SDA_OUT;SCL_OUT;if(tm==0) SDA_1;else SDA_0;delay(10);SCL_1;delay(10);SCL_0;delay(10);}void send_word(void){uchar i=0;while(1){start();delay(20);send_byte(0xa0);ack();if(ACK_FLAG) continue;send_byte(add);ack();if(ACK_FLAG) continue;for(i=0;i<8;i++) {send_byte(*D++);ack();if(ACK_FLAG)continue;}if(!ACK_FLAG) break;}stop();}void receive_word(uchar add){uchar i;while(1){start();send_byte(0xa0);ack();if(ACK_FLAG) continue;send_byte(add);ack();if(ACK_FLAG) continue;start();send_byte(0xa1);ack();if(ACK_FLAG) continue;MPM[i++]=receive_byte();delay(5);i2c_ack(1);if(!ACK_FLAG) break;}stop();}子程序：uart#include <msp430x14x.h>#include "Uart.h"/*****************串口初试化设置********************/void uart_org(void){ME1 |= UTXE0 + URXE0; // Enable USART0 TXD/RXD UCTL0 |= CHAR; // 8-bit characterUTCTL0 |= SSEL0; // UCLK = ACLKUBR00= 0x03; // 32768/9600UBR10= 0x00;UMCTL0= 0x4a;P3SEL |= 0x30; // P3.4,5 = USART0 TXD/RXD P3DIR |= 0x10;UCTL0 &= ~SWRST; // Initialize USART state machineIE1 |= URXIE0; // Enable USART0 RX interrupt}/*****************串口发送字符串程序*****************/void UartStr(unsigned char *p){unsigned char i;for (i=0;*p!=0;i++)//准备要发送的数据{while (!(IFG1 & UTXIFG0));// USART0 TX buffer ready?TXBUF0 =*p++; // RXBUF0 to TXBUF0while ((UTCTL0 & TXEPT) == 0);}_NOP();}/*****************串口发送字符串程序*****************/void Uart_Str(unsigned char number,unsigned char *p){unsigned char i;for (i=0;i<number;i++)//准备要发送的数据{while (!(IFG1 & UTXIFG0));// USART0 TX buffer ready?TXBUF0 =*p++; // RXBUF0 to TXBUF0while ((UTCTL0 & TXEPT) == 0);}_NOP();}（注：专业文档是经验性极强的领域，无法思考和涵盖全面，素材和资料部分来自网络，供参考。
