scx.txt

自己以MSP430F149硬件开发板为依托c语言 写的定时时钟程序

#include <msp430x14x.h>
#define FUN_NONE 0
#define FUN1     1
#define FUN2     2
#define FUN3     3

char buffer[8]={0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
char buffer2[16]={0x89,0x86,0xC7,0xC7,0xC0,0xFF,0xFF,0xFF,0x89,0x86,0xC7,0xC7,0xC0,0xFF,0xFF,0xFF};
char buffer3[8]={0xC0,0xC0,0xBF,0xC0,0xC0,0xBF,0xC0,0xC0};

typedef struct {
        unsigned char hour;
        unsigned char minute;
        unsigned char second;
 } TIME;
TIME clock={0,0,0};

void display_clock(TIME);
char key1_pressed(void);
char key2_pressed(void);
void display_clear(void);
void display(char);
char function_select(void);

void main(void)
(
       unsigned int time=0,times=1;
       unsigned int i,have_key=0;//设按键标志位//
       unsigned long j;
       char fun_temp,fun_temp1;
       
       WDTCTL=WDTPW+WDTHOLD;
       P1DIR=0xF8;//P1.0,P1.1,P1.2为输入，外接开关//
       P2DIR=0xF8;
       P3DIR=0xC0;
       P4DIR=0x01;
       P5DIR=0x8E;
     
       P5SEL=0x0A;
       UCTL1&=0xFE;
       UCTL1=CHAR+SYNC+MM;
       UTCTL1=SSEL1+STC;
       UBR01=0X02;
       UBR11=0;
       UMCTL1=0;
       ME2=USPIE1;
  
       while (1) {
aa:              fun_temp=function_select();
                 if(fun_temp==FUN1{
                         display(buffer);
                         fun_temp1=FUN1;
       }
       if(fun_temp==FUN2){
                display_clear();
                fun_temp1=FUN2;
       }
       if(fun_temp==FUN3){
                display(buffer3);//计时显示复位//

                TACTL=TASSEL0+TACLR;
                CCTL0=CCIE;
                CCR0=32768;
                TACTL&=0xFFCF;
                _EINT();
                fun_temp1=FUN3;
       }
       if(fun_temp==FUN_NONE){
                display_clear();//qing led shu ma guan //
                fun_temp1=FUN_NONE;
       }
       //main//
       if(fun_temp1==FUN1)while(1){
               fun_temp1=FUN_NONE;
               if(function_select()!=FUN1)break;
        
               if(key1_pressed()){
                       have_key=1;
                       time++;
                       if(time==5)
                       time=1;
               }
               if(have_key){
                       for(i=0;i<time*500;i++);
                       P3OUT^=0xC0;
                       P5OUT^=0x84;
               }
       }
       if(fun_temp1==FUN2){
                fun_temp1=FUN_NONE;
                while(1){
                         if(function_select()!=FUN2)break;

                         i=0;
                         for(i=0;i<8;i++){
                                 display(buffer2+8-i);
                                 for(j=0;j<50000;j++)
                                 if(function_select()!=FUN2)goto aa;
                         }
                }
       }
       if(fun_temp1==FUN3){
               fun_temp1=FUN_NONE;
               while(1){
                       if(function_select()!=FUN3){
                                TACTL&=0xFFCF;
                                break;
                        }
                        if(key_pressed()){
                               times++;
                               if(times==255)times=0;//xian zhi yue jie//
                               if(times%2){
                                       TACTL&=0xFFCF;//ji shi kai shi hou an ji ci S1 ci zhan ting//
                        }
                        else{
                              TACTL|=0X0010;
                            }
                        }
                        if(key2_pressed()){
                                 clock.hour=0;//an S2 qing chu//
                                 clock.minute=0;
                                 TACTL&=0XFFCF;
                                 times=1;
                                 display_clock(clock);
                        )
                }
          }
}
/*****************************
 *定时器溢出中断
 *****************************/
#pragma vector=TIMERA0_VECTOR
__interrupt void Timer_A(void)
{
            clock.second++;
            if(clock.second>59){
                   clock.second=0;
                   clock.minute++;
            }
            if(clock.minute>59){
                   clock.minute=0;
                   clock.hour++;
            }
            if(clock.hour>99) clock.hour=0;
            display_clock(clock);
}
/****************************
 *按键状态检查
 ****************************/
char key1_pressed(void){
        if(!(P2IN&BIT0)){
             while(!(P2IN&BIT0));
             return 1;
        }
        else return 0;
}
/****************************
 *清除LED和数码管显示
 ****************************/
void display_clera(void){
        P3OUT=OXC0;//QING LED//
        P5OUT=0X84;
        display(buffer);
}
/****************************
 *数码管输出串显示
 ****************************/
void display(char *buf){
      
         signed char i;
         char buf_temp[8];
         
         for(i=0;i<8;i++) buf_temp[i]=buf[i];

         for(i=0;i>=0;i--){
                 TXBUF1=buf_temp[i];
                 while(!(UTCTL1&0X01))
         }
}
/****************************
 *及时输出显示
 ****************************/
void display_clock(TIME tclock)
{
      char led_list[10]={0xC0,0XF9,0XA4,0XB0,0X99,0X92,0X82,0XF8,0X80,0X90};
      char buffer_temp[8];
      unsigned char tempa,tempb;
      //填充分分隔符//
      buffer_temp[2]=0xBF;
      buffer_temp[5]=0xBF;
      //显示//
      tempa=tclock.second/10;
      tempb=(tclock.second-tempa*10);
      buffer_temp[6]=led_list[tempa];
      buffer_temp[7]=led_list[tempb];
      //分钟//
      tempa=tclock.minute/10;
      tempb=(tclock.minute-tempa*10);
      buffer_temp[3]=led_list[tempa];
      buffer_temp[4]=led_list[tempb];
      //小时//
      tempa=tclock.hour/10;
      tempb=(tclock.hour-tempa*10);
      buffer_temp[0]=led_list[tempa];
      buffer_temp[1]=led_list[tempb];

      display(buffer_temp);
}
/*****************************
 *huo qu hao ma
 *****************************/
 char function_select(void)
          if(!(P1IN&0X01))return FUN1;
          if(!(P1IN&0X01))return FUN1;
          if(!(P1IN&0X01))return FUN1;
          return FUN_NONE;
}