智能仪表试验程序

I/O端口操作实验#include "msp430x54x.h"void main(){WDTCTL = WDTPW + WDTHOLD; //关看门狗P2DIR &= ~( BIT6 + BIT7); //P2.6 P2.7设置为输入P1DIR |= BIT0; //P1.0 设置为输出P7DIR |= BIT7; //P7.7 设置为输出P2REN |= BIT6 + BIT7; //上拉下拉电阻使能P2OUT |= BIT6 + BIT7; //P2.6 P2.7 为上拉P2IES |= BIT6 + BIT7; //P2.6 P2.7下降触发P2IE |= BIT6 + BIT7; //P2.6 P2.7中断使能P2IFG=0; //中断标志消除，防止配置过程中出现中断标志为1 _EINT();//开总中断LPM4; //进低功耗4}/*******************端口中断程序********************/#pragma vector = PORT2_VECTOR__interrupt void port2(void){switch(P2IV){case 0x0e: P1OUT ^= BIT0;break; //LED1 亮灭case 0x10: P7OUT ^= BIT7;break; //LED2亮灭default :break;}}时钟操作实验#include <msp430x54x.h>void Init_Clk(void); void main(void){WDTCTL = WDTPW + WDTHOLD; // 停止看门狗P11DIR = BIT0 + BIT1 + BIT2; // ACLK ,MCLK ,MCLK 输出方向P11SEL = BIT0 + BIT1 + BIT2;P1DIR |= BIT0; // LED1 输出Init_Clk();while(1){P1OUT ^= BIT0; //LED 闪烁，说明没有晶体失效for(unsigned int i=60000;i>0;i--); // 延迟}}/**************时钟初始化*************************/void Init_Clk(void){P7SEL |= 0x03; // XT1 开始振荡UCSCTL1 = DCORSEL_2; // 选择DCO频率范围UCSCTL3 |= SELREF_2; // 选择Fll参考频率REFOUCSCTL4=SELM_3+SELA_0+SELS_4;//配置MCLK=DCOC,SMCLK=DCODIV,ACLK=XT1 while (SFRIFG1 & OFIFG) //消除OFIFG,and XT1OFFG ,DCOFFG{UCSCTL7 &= ~( XT1LFOFFG + DCOFFG);SFRIFG1 &= ~OFIFG;}}PMM操作实验#include "msp430x54x.h"void Init_System(void);void Init_PMM(void);void Init_Clk(void);void main(void){WDTCTL = WDTPW + WDTHOLD; // 关看门狗Init_System(); // 系统初始化while(1){P1OUT ^= BIT0; // LED 闪烁for( unsigned int i = 0;i < 65000;i++); // 延迟}}/**********系统初始化****************************/void Init_System(void){P1DIR |= BIT0; //´打开LEDP1OUT |= BIT0;Init_PMM(); //PMM配置函数Init_Clk(); //时钟配置函数P11SEL|= BIT1 + BIT0 + BIT2; //SMCLK MCLK ACLK 设置为输出P11DIR|= BIT1 + BIT0 + BIT2;}/******************F5xx电源管理初始化**************************/ void Init_PMM(void){PMMCTL0_H=0xA5; //开PMM电源管理SVSMLCTL|=SVSMLRRL_1+SVMLE; //配置SVML电压PMMCTL0=PMMPW+PMMCOREV_2; //配置内核电压while((PMMIFG & SVSMLDL YIFG ) == 0); //等待设置完成PMMIFG &= ~(SVMLVLRIFG + SVMLIFG + SVSMLDL YIFG);if((PMMIFG&SVMLIFG)==1) //判断内核电压是否上升到VSVML while((PMMIFG& SVMLVLRIFG) == 0); //如果没有，等待SVSMLCTL&=~SVMLE; //关掉SVML模块PMMCTL0_H = 0X00; //锁存配置}/***************F5XX 单片机时钟初始-16MHZ**************/void Init_Clk(void){P7SEL |= 0x03; // XT1起振UCSCTL1 = DCORSEL_6; // 选择DCO的范围UCSCTL2|=240; //设置DCO频率为16MUCSCTL4=SELM_3+SELA_0+SELS_4;// 设MCLK=DCOC,MCLK=DCO,ACLK=XT1while (SFRIFG1 & OFIFG) //清除OFIFG,and XT1OFFG ,DCOFFG{UCSCTL7 &= ~( XT1LFOFFG + DCOFFG);SFRIFG1 &= ~OFIFG;}}FLASH操作实验#include "msp430x54x.h"void Seg_Erase(void); //块擦除void Init_System(void); //系统初始化void Init_Clk(void);void Init_PMM(void);__root const char Test_Date[10]@0x8000={0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09};//*************************************************************void main( void ){unsigned int i;WDTCTL = WDTPW + WDTHOLD; //关看门狗Init_System();while(1){P1OUT ^= BIT0;for( i = 0;i < 60000;i++);}}/************系统初始化********************************/void Init_System(void){P1DIR |= BIT0;P1OUT |= BIT0;Init_PMM();Init_Clk();Seg_Erase();}/**************完成FLASH块擦写（此程序写在flash中，不需要检查BUSY）*********************************/void Seg_Erase(void){char *flase_erase;flase_erase = (char *)0X8000; // 指向要擦写的段地址FCTL3 = FWKEY; //清除LOCKFCTL1 = FWKEY + ERASE; //段擦写*flase_erase = 0; //空写，将0写为1FCTL3 = FWKEY + LOCK; //LOCK置1}/******时钟初始化MCLK=2MHZ ,ACLK=XT1,SMCLK=1MHZ******/void Init_Clk(void){P7SEL |= 0x03; // XT1开始振荡UCSCTL1 = DCORSEL_2; //选择DCO频率范围UCSCTL3 |= SELREF_2; //配置Fll参考频率REFO UCSCTL4=SELM_3+SELA_0+SELS_4;//配置MCLK=DCOC,SMCLK=DCODIV,ACLK=XT1 while (SFRIFG1 & OFIFG) //消除OFIFG,and XT1OFFG ,DCOFFG{UCSCTL7 &= ~( XT1LFOFFG + DCOFFG);SFRIFG1 &= ~OFIFG;}}/**********F5xx电源管理初始化**************************/void Init_PMM(void){PMMCTL0_H = 0xA5; /开PMM电源管理SVSMLCTL |= SVSMLRRL_2 + SVMLE; //配置SVML电压PMMCTL0 = PMMPW + PMMCOREV_2; //配置内核电压while((PMMIFG & SVSMLDL YIFG ) == 0); //等待设置完成PMMIFG &= ~(SVMLVLRIFG + SVMLIFG + SVSMLDL YIFG);if((PMMIFG & SVMLIFG) != 0) //判断内核电压是否上升到VSVML while((PMMIFG & SVMLVLRIFG) == 0); //如果没有，等待SVSMLCTL &= ~SVMLE; //关掉SVML模块PMMCTL0_H = 0X00; //锁存配置}WDT操作实验#include <msp430x54x.h>void Init_Clk(void);void Init_System(void);void main(void){Init_System(); // 系统初始化_EINT(); // 开总中断__bis_SR_register(LPM3_bits); //进入LPM3}/********** 看门狗中断服务程***************/#pragma vector = WDT_VECTOR__interrupt void watchdog_timer(void){P1OUT ^= BIT0; // LED1翻转}/**********系统初始化**************************/void Init_System(void){WDTCTL = WDTPW + WDTHOLD; // 关看门狗Init_Clk(); //初始化时钟WDTCTL = WDT_ADL Y_250; // WDT 250ms, ACLK,SFRIE1 |= WDTIE; // WDT 中断使能P1DIR |= BIT0; // 设置P1.0为输出}/*************时钟初始化***************************/void Init_Clk(void){P7SEL |= 0x03; // XT1起振P1DIR |= BIT0; // P1.0输出UCSCTL1 = DCORSEL_2; //选择DCO频率范围UCSCTL4 = SELA_0 ; // 设置tMCLK=DCOC,MCLK=DCO,ACLK=XT1 while (SFRIFG1 & OFIFG) //消除OFIFG,and XT1OFFG ,DCOFFG{UCSCTL7 &= ~( XT1LFOFFG + DCOFFG);SFRIFG1 &= ~OFIFG;}}Timer B做定时器，使LED1按一定频率翻转#include <msp430x54x.h>void main(void) {WDTCTL = WDTPW + WDTHOLD; //关看门狗P1DIR |= 0x01; // P1.0输出TBCCTL0 = CCIE; // CCR0 中断使能TBCCR0 = 50000; // CCR0配置初始值TBCTL = TBSSEL_2 + TACLR; // SMCLK, 消除为1TBCTL |= MC_2;_BIS_SR(LPM0_bits + GIE); // 进入低功耗0}/****** Timer B0 中断服务程序*******/#pragma vector=TIMERB0_VECTOR__interrupt void Timer_B (void){P1OUT ^= 0x01; //翻转LED1TBCCR0 += 50000; // 增加定时偏移量}。