430流水灯

ti

/***********************************************
程序功能：实现流水灯以三种流动方式和四种流动速度
      的不同组合而进行点亮"流动"
------------------------------------------------
测试说明：观察流水灯流动顺序和速度的变化
************************************************/
#include
#include  "BoardConfig.h"

uint i = 0,j = 0,dir = 0;
uint flag = 0,speed = 0;  //flag--灯光流动方式，speed--灯光流动速度

/****************主函数****************/
void main(void)
{

WDTCTL = WDTPW + WDTHOLD;    //关闭看门狗
BoardConfig(0xf0);

CCTL0 = CCIE;                //使能CCR0中断
CCR0 = 50000;
TACTL = TASSEL_2 + ID_3 + MC_1; //定时器A的时钟源选择SMCLK，增计数模式
P2DIR = 0xff;                //设置P2口方向为输出
P2OUT = 0xff;

_EINT();                      //使能全局中断
LPM0;                         //CPU进入LPM0模式
}

/*******************************************
函数名称：timer_A
功能：定时器A的中断服务函数，在这里通过标志
      控制流水灯的流动方向和流动速度
参数：无
返回值  ：无
********************************************/
#pragma vector = TIMERA0_VECTOR
__interrupt void Timer_A (void)
{
if(flag == 0)
{
      P2OUT = ~(0x80>>(i++)); //灯的点亮顺序D8 -> D1
}
else if(flag == 1)
{
      P2OUT = ~(0x01<<(i++)); //灯的点亮顺序D1 -> D8
}
else
{
      if(dir)                //灯的点亮顺序  D8 -> D1,D1 -> D8,循环绕圈
      {
         P2OUT = ~(0x80>>(i++));
      }
      else
      {
         P2OUT = ~(0x01<<(i++));
      }
}

if(i == 8)
{
      i = 0;
      dir = ~dir;
}

j++;
if(j == 40)
{
      i = 0;
      j = 0;
      flag++;
      if(flag == 4) flag = 0;
      switch(speed)
      {
      case 0:
         TACTL &=~ (ID0 + ID1);
         TACTL |= ID_3;
         break;
      case 1:
         TACTL &=~ (ID0 + ID1);
         TACTL |= ID_2;
         break;
      case 2:
         TACTL &=~ (ID0 + ID1);
         TACTL |= ID_1;
         break;
      case 3:
         TACTL &=~ (ID0 + ID1);
         TACTL |= ID_0;
         break;
      default:
         break;
      }
      if(flag != 3) speed++;
      if(speed == 4) speed = 0;
}
}

/*********************************************
程序功能：MCU控制蜂鸣器演奏歌曲《祝你平安》
----------------------------------------------
测试说明：聆听蜂鸣器“唱出”的乐曲
*********************************************/
#include
#include  "BoardConfig.h"
#include  "music.h"

#define Buzzer       BIT7
#define Buzzer_Port P6OUT
#define Buzzer_DIR P6DIR

uchar counter;
void Play_Song(void);

/***************主函数****************/
void main(void)
{
uchar i;

WDTCTL = WDTPW + WDTHOLD;                //关闭看门狗
/*------选择系统主时钟为8MHz-------*/
BCSCTL1 &= ~XT2OFF;                      // 打开XT2高频晶体振荡器
do
{
      IFG1 &= ~OFIFG;                      //清除晶振失败标志
      for (i = 0xFF; i > 0; i--);          // 等待8MHz晶体起振
}
while ((IFG1 & OFIFG));                // 晶振失效标志仍然存在？
BCSCTL2 |= SELM_2 + SELS;                //主时钟和从时钟都选择高频晶振

BoardConfig(0xf8);                      //关闭数码管、流水灯、电平转换

//设置定时器A每10ms中断一次
CCTL0 = CCIE;
CCR0 = 10000;
TACTL |= TASSEL_2 + ID_3;
//设置控制蜂鸣器的IO方向为输出
Buzzer_DIR |= Buzzer;
//打开全局中断
_EINT();
//循环演奏歌曲
while(1)
{
      Play_Song();
}
}

/*******************************************
函数名称：TimerA_ISR
功能：定时器A的中断服务函数
参数：无
返回值  ：无
********************************************/
#pragma vector = TIMERA0_VECTOR
__interrupt void TimerA_ISR(void)
{
counter++;
}
/*******************************************
函数名称：Delay_Nms
功能：延时N个ms的函数
参数：n--延时长度
返回值  ：无
********************************************/
void Delay_Nms(uchar n)
{
uchar i,j;

for( i = 0;i < n; i++ )
{
      for( j = 0;j < 3;j++ )
      _NOP();
}
}
/*******************************************
函数名称：Play_Song
功能：播放《祝你平安》的乐曲
参数：无
返回值  ：无
********************************************/
void Play_Song(void)
{
uchar Temp1,Temp2;
uchar addr = 0;

counter = 0; //中断计数器清0
while(1)
{
      Temp1 = SONG[addr++];
      if ( Temp1 == 0xFF )       //休止符
      {
         TACTL &=~MC_1;       //停止计数
         Delay_Nms(100);
      }
      else if ( Temp1 == 0x00 ) //歌曲结束符
      {
         return;
      }
      else
      {
         Temp2 = SONG[addr++];
         TACTL |=MC_1;          //开始计数
         while(1)
         {
            Buzzer_Port ^= Buzzer;
            Delay_Nms(Temp1);
            if ( Temp2 == counter )
            {
                  counter = 0;
                  break;
            }
         }
      }
}
}
//《祝你平安》对应的编码
const unsigned char SONG[]=
{
0x26,0x20,0x20,0x20,0x20,0x20,0x26,0x10,0x20,
0x10,0x20,0x80,0x26,0x20,0x30,0x20,0x30,0x20,
0x39,0x10,0x30,0x10,0x30,0x80,0x26,0x0,0x20,
0x20,0x20,0x20,0x1c,0x20,0x20,0x80,0x2b,0x20,
0x26,0x20,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,
0x80,0x26,0x20,0x30,0x20,0x30,0x20,0x39,0x10,
0x26,0x10,0x26,0x60,0x40,0x10,0x39,0x10,0x26,
0x20,0x30,0x20,0x30,0x20,0x39,0x10,0x6,0x10,
0x26,0x80,0x26,0x20,0x2b,0x10,0x2b,0x10,0x2b,
0x20,0x30,0x10,0x39,0x10,0x26,0x10,0x2b,0x10,
0x2b,0x20,0x2b,0x40,0x40,0x20,0x20,0x10,0x20,
0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x18,0x20,
0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x40,0x26,
0x20,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,
0x20,0x20,0x20,0x80,0x1c,0x20,0x1c,0x20,0x1c,
0x20,0x30,0x20,0x30,0x60,0x39,0x10,0x30,0x10,
0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x10,0x26,
0x10,0x26,0x10,0x2b,0x10,0x2b,0x80,0x18,0x20,
0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x60,0x26,
0x10,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,
0x20,0x20,0x20,0x80,0x26,0x20,0x30,0x10,0x30,
0x10,0x30,0x20,0x39,0x20,0x26,0x10,0x2b,0x10,
0x2b,0x20,0x2b,0x40,0x40,0x10,0x40,0x10,0x20,
0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,
0x00
};
/**********************************************
程序功能：在六位数码管上显示六个数字012345
-----------------------------------------------
测试说明：观察数码管显示
***********************************************/
#include
#include  "BoardConfig.h"

//数码管7位段码：0--f
uchar scandata[16] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
                  0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
//记录显示位数的全局变量
uchar cnt = 0;

/********************主函数********************/
void main(void)
{
WDTCTL = WDT_ADLY_1_9;       // 设置内部看门狗工作在定时器模式，1.9ms中断一次
IE1 |= WDTIE;                // 使能看门狗中断

BoardConfig(0x88);

P4DIR = 0xff;                //设置P4，P5的IO方向为输出
P5DIR = 0xff;

P4OUT = 0x00;                //设置P4，P5的输出初值
P5OUT = 0xff;

_BIS_SR(LPM3_bits + GIE);    //CPU进入LPM3低功耗模式，同时打开全局中断
}

/*******************************************
函数名称：watchdog_timer
功能：看门狗中断服务函数，在这里输出数码管的
      段选和位选信号
参数：无
返回值  ：无
********************************************/
#pragma vector=WDT_VECTOR
__interrupt void watchdog_timer(void)
{
P5OUT = 0xff;
P4OUT = scandata[cnt];       //输出段选信号
P5OUT &= ~(1 << cnt);          //输出位选信号

cnt++;                      //位计数变量在0~5之间循环
if(cnt == 6) cnt = 0;
}

/***************************************************
程序功能：用扫描方式读取四个独立式按键的键值，同时将
      按键的键值在数码管上显示出来
----------------------------------------------------
测试说明：按动K1~k4四个按键，观察数码管显示
***************************************************/
#include
#include "BoardConfig.h"

#define keyin (P1IN & 0x0f)

//数码管7位段码：0--f
uchar scandata[16] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
                  0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};

void delay(void);

/********************主函数********************/
void main( void )
{
uchar temp,keyval = 0;

WDTCTL = WDTPW + WDTHOLD; //关闭看门狗
BoardConfig(0x88);       //打开数码管，关闭流水灯和电平转换

P1DIR = BIT7;             //设置P1.0~P.3为输入状态，P.7为输出
P1OUT = 0;
P3DIR |= BIT4;             //设置P3.4为输出状态
P3OUT |= BIT4;             //P3.4输出1
P4DIR = 0xff;
P5DIR = 0xff;
P4OUT = 0x3f;
P5OUT = 0xf7;
while(1)
{
      if(keyin != 0x0f)    //如果有键被按下
      {
         delay();          //延时消抖
         if(keyin != 0x0f) //再次检测按键状态
         {
            temp=keyin;
            while(keyin != 0x0f); //等待按键被放开
            switch(temp) //转换键值
            {
            case 0x0e:
                        keyval = 1;break;
            case 0x0d:
                        keyval = 2;break;
            case 0x0b:
                        keyval = 3;break;
            case 0x07:
                        keyval = 4;break;
            default:
                        keyval = 0;break;
            }
            P4OUT = scandata[keyval]; //用一位数码管显示
            P3OUT &= ~BIT4;          //P3.4连接的LED闪烁一下
            delay();delay();
            P3OUT |= BIT4;
         }
      }
}
}
/*******************************************
函数名称：delay
功能：用于消抖的延时
参数：无
返回值  ：无
********************************************/
void delay(void)
{
uint tmp;

for(tmp = 12000;tmp > 0;tmp--);
}

jpy313 · 2014-5-15 20:51:43

kdankan kkldfldf
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