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/* 文件名称：MSP413C语言定时程序* 文件说明：* 用MSP413看门狗定时器作为定时源。*/#include /* 文件说明：LCD 模块*/#define LCD_IN_USE 10/* 数据定义七段译码表 */const unsigned char NUM_LCD18= 0xd7,0x06,0xe3,0xa7,0x36, / 0 - 40xb5,0xf5,0x07,0xf7,0xb7, / 5 - 9 0xdf,0x0e,0xeb,0xb1,0x40, /0xbf,0x00,0x20; / unsigned char lcd_BufLCD_IN_USE; / 自定义显示缓冲区，用于 / 外部设定要显示的数据/* LCD模块初始化*/void init_LCD(void) char tmpv; BTCTL = BT_fLCD_DIV32; / set LCD 时钟 P5SEL = 0xfc; / 置为外围模块 LCDCTL = LCDON+LCD4MUX+LCDP1; / 4Mux 模式 for (tmpv = 0;tmpv10;tmpv+) LCDMEMtmpv = 0x00; /clear LCD /* LCD清零模块*/void cl_LCD(void) char tmpv; for (tmpv = 0;tmpv10;tmpv+) LCDMEMtmpv = 0x00; /clear LCD /* 更新LCD缓冲区的内容，把数据显示到LCD*/void lcd_Display(long sum) char tmpv; lcd_Buf0=16; lcd_Buf1=16; lcd_Buf2=16; lcd_Buf3=17;lcd_Buf4=sum/10000%10; lcd_Buf5=sum/1000%10; lcd_Buf6=sum/100%10; lcd_Buf7=sum/10%10; lcd_Buf8=sum%10; lcd_Buf9=16; for(tmpv=0;tmpvLCD_IN_USE-1;tmpv+) LCDMEMtmpv = NUM_LCDlcd_Buftmpv; /更新LCDMEM中的容 LCDMEM4 |=0x08; /加小数点 /*PORT1中断服务*/interruptPORT1_VECTOR void P1_FIG (void) long sum=0;int flag=0,x=0,i; /变量 flag=P1IFG & 0x3F;for(i=0;i=10;i+) x= P6IN & 0x0F; /读入BCD码if(flag=32) P1IE =0x10;P1IES =0x00;switch(flag) /中断向量 case 1: /D1读数 sum+=x; P1IE =0x20; P1IES =0x20; P1IFG =0x00;break;case 2: /D2读数 sum+=x*10; P1IE =0x01; P1IES =0x00; P1IFG =0x00;break; case 4: /D3读数 sum+=x*100; P1IE =0x02; P1IES =0x00; P1IFG =0x00;break; case 8: /D4读数 sum+=x*1000; P1IE =0x04; P1IES =0x00; P1IFG =0x00;break;case 16: /D5读数 sum+=x*10000; P1IE =0x08; P1IES =0x00; P1IFG =0x00; break; default: break; cl_LCD(); lcd_Display(sum); /*主程序*/void main(void) WDTCTL=WDTPW+WDTHOLD; SCFI0 |=FN_2; FLL_CTL0=XCAP18PF; SCFQCTL =30; P1DIR =0x00; /P1设为输入 P1SEL =0x00; /第一功能 P1IE =0x20; /P1.5捕获BUSY下降沿 P1IES =0x20; P1IFG =0x00; /中断标志位清零 P6DIR =0x00; /P6设为输入 P6SEL