main.c

开发板MSP430F149

/************************************************************
程序功能：在液晶上用串行数据通信方式循环滚动显示汉字
-------------------------------------------------------------
跳线设置：将跳线座J5的2脚和3脚(-)用短路帽短接
-------------------------------------------------------------
测试说明：观察液晶显示
*************************************************************/
#include  <msp430x14x.h>
#include "BoardConfig.h"
#include "cryfucns.h"

const uchar h0[] = {"诚实以启人之信我"};
const uchar h1[] = {"乐善以使人之亲我"};
const uchar h2[] = {"虚心以听人之教我"};
const uchar h3[] = {"恭顺以取人之敬我"};
const uchar h4[] = {"自检以杜人之议我"};
const uchar h5[] = {"自反以杜人之罪我"};
const uchar h6[] = {"容忍以免人之欺我"};
const uchar h7[] = {"勤俭以补人之助我"};
const uchar h8[] = {"量力以济人之求我"};
const uchar h9[] = {"尽心以报人之任我"};

const uchar *ptr[10];

uchar d1=0,d2=1,d3=2,d4=3;

/************************主函数*************************/
void main(void)
{
    WDTCTL = WDT_ADLY_1000;             // 定时时间1S
    IE1   |= WDTIE;
    BoardConfig(0xb8);                   // 关闭数码管、流水灯、4245
    
    //初始化指针数组
    ptr[0] = h0;
    ptr[1] = h1;
    ptr[2] = h2;
    ptr[3] = h3;
    ptr[4] = h4;
    ptr[5] = h5;
    ptr[6] = h6;
    ptr[7] = h7;
    ptr[8] = h8;
    ptr[9] = h9;
    
    Ini_Lcd();                           // 初始化液晶
    
    _EINT();    
    LPM4;
}

/*******************************************
函数名称：watchdog_timer
功    能：看门狗中断服务函数
参    数：无
返回值  ：无
********************************************/
#pragma vector=WDT_VECTOR
__interrupt void watchdog_timer(void)
{ 
    uchar tmp;
    
    Disp_HZ(0x80,ptr[d1],8);
    Disp_HZ(0x90,ptr[d2],8);
    Disp_HZ(0x88,ptr[d3],8);
    Disp_HZ(0x98,ptr[d4],8);
    
    d4++;
    if(d4 == 10)    d4 = 0;
    tmp = d1;
    d1 = d2;
    d2 = d3;
    d3 = d4;
    d4 = tmp;    
}