motor_operation+lcd.c

IC卡水表的源程序

//****************************************************************************
//  MSP430-41X Demo - LCD display  and  Motor operation
//
//
//               MSP430F413
//            -----------------
//        /|\|              XIN|-  
//         | |                 | 
//         --|RST          XOUT|-
//           |                 |    ________
//           |                 |   |        |
//           |             P3.0|-->|   l    |
//           |               . | . |        |
//           |             P3.7| . |   C    |
//           |             P4.0| . |        |
//           |               .   . |   D    |
//           |             P4.7| . |        |
//           |             P5.0| . |        |
//           |             P5.4|-->|________|        
//           |                 |
//  Donghai CHeng
//  Lierda, Inc
//  NOVEMBER 2004
//  Built with IAR Embedded Workbench Version: 2.21B
//******************************************************************************


#include "msp430x41x.h"
//#include "motor_define.h"
#define MOTOR_POSITIVE  0x01               //电机正向转动
#define MOTOR_NEGATIVE  0x02               //电机反向转动
#define MOTOR_OUT   P6OUT                  //电机控制端口P6 
#define MOTOR_DIR   P6DIR
#define MOTOR_OPEN  0x40                   //电机开
#define MOTOR_CLOSE 0x80                   //电机关
#define BELL_OUT         P6OUT             //蜂鸣器控制端口P6.3 
#define BELL_DIR         P6DIR
#define BELL_BIT         0x08


#define COM1                (0x0004)
#define COM2                (0x0008)
#define COM3                (0x0010)
#define R13                (0x0020)
#define R23                (0x0040)
#define R33                (0x0080)

#define   SegA     0x01     
#define   SegB     0x02
#define   SegC     0x04
#define   SegD     0x80
#define   SegE     0x40
#define   SegF     0x10
#define   SegG     0x20
#define   SegH     0x08

#define  Digit0    SegA+SegB+SegC+SegD+SegE+SegF
#define  Digit1    SegB+SegC
#define  Digit2    SegA+SegB+SegD+SegE+SegG
#define  Digit3    SegA+SegB+SegC+SegD+SegG
#define  Digit4    SegB+SegC+SegF+SegG
#define  Digit5    SegA+SegC+SegD+SegF+SegG
#define  Digit6    SegA+SegC+SegD+SegE+SegF+SegG
#define  Digit7    SegA+SegB+SegC
#define  Digit8    SegA+SegB+SegC+SegD+SegE+SegF+SegG
#define  Digit9    SegA+SegB+SegC+SegD+SegF+SegG

int Digit[10] = {Digit0,Digit1,Digit2,Digit3,Digit4,Digit5,Digit6,Digit7,Digit8,Digit9};

unsigned int  system_state_flag;               //状态标志          
unsigned char motor_direction;                 //电机转动方向               
unsigned char Control_flag;                    //阀门开关标志  “1”表示开阀门开  ，“0”表示阀门关

void Motor_Com(void);                         
void Motor_Run(unsigned char motor_dir);      //电机转动控制子程序
void Beep_Alarm(unsigned int cycle,unsigned int high_last,unsigned int low_last);          //蜂鸣器报警子程序
void delay(unsigned char l,unsigned int k);   //延时子程序

void Motor_Open(void)
{ 
  motor_direction=MOTOR_POSITIVE;
  Motor_Run(motor_direction); 
}

void Motor_Close(void)
{
  motor_direction=MOTOR_NEGATIVE;
  Motor_Run(motor_direction);
}

void Motor_Com(void)                       
{
  delay(1,65000);                        //延时
  CACTL1 = CAON+CAEX;                         //打开比较器                  
  delay(1,25000); 
  IE2 |= BTIE;                 //当电机动作时使能BT中断
  CACTL1 &= ~CAIFG;                    
}

void Motor_Run(unsigned char motor_dir)
{
	MOTOR_OUT &=~(MOTOR_OPEN+MOTOR_CLOSE);
	MOTOR_DIR |= MOTOR_OPEN+MOTOR_CLOSE;
	switch(motor_dir)
	{
		case MOTOR_POSITIVE:{
			                   MOTOR_OUT |= MOTOR_OPEN;
			                   MOTOR_OUT &= ~MOTOR_CLOSE;
			                   Motor_Com();
			                   motor_direction &= ~MOTOR_POSITIVE;
			                  }break;
		case MOTOR_NEGATIVE:{
			                   MOTOR_OUT |= MOTOR_CLOSE;
			                   MOTOR_OUT &= ~MOTOR_OPEN;
			                   Motor_Com();
			                   motor_direction &= ~MOTOR_NEGATIVE;
			                  }break;
		default:{MOTOR_OUT &=~(MOTOR_OPEN+MOTOR_CLOSE);}break;
	}	
}

void Beep_Alarm(unsigned int cycle,unsigned int high_last,unsigned int low_last)
{
	unsigned int i,j;
	BELL_DIR |= BELL_BIT;
	for(i=0;i<cycle;i++)
	{
	   BELL_OUT |= BELL_BIT;
	   for(j=0;j<high_last;j++);
	   BELL_OUT &= ~BELL_BIT;
	   for(j=0;j<low_last;j++);
        }
        BELL_OUT &= ~BELL_BIT;
        _NOP();
}

void delay(unsigned char lll,unsigned int kkk)
{
 unsigned char ppp;
 unsigned int qqq;
 for(ppp=0;ppp<lll;ppp++){for(qqq=0;qqq<kkk;qqq++);}
}

/********************初始化***************************/
void Initial(void)          
 {    
    int i;    
    for (i=0; i<10; i++)
     {
      LCDMEM[i] = 0;
      }    
    P5SEL = R33+R23+R13+COM3+COM2+COM1; 
    LCDCTL = LCDSG0_2+LCD4MUX+LCDON; // Enable LCD
    BTCTL  = BTSSEL + BTDIV + BTFRFQ0 + BTIP2 + BTIP1;       //定时器定时1s检测电机状态
    
   P1DIR &= ~(BIT6+BIT7);
   //CAPD = CAPD7+CAPD6;
   CACTL2 = P2CA1+P2CA0+CAF; 
  }
  
void main (void)
{
  unsigned char i;
   WDTCTL = WDTPW + WDTHOLD;
  
  SCFQCTL=31;                   //MCLK=32*ACLK=1024KHz,DCO+=0
  SCFI0=0;
  FLL_CTL0 |= XCAP18PF;
  Initial();                   //初始化
  
  P1DIR&=~BIT5;
  P1IE|=BIT5;
  P1IES|=BIT5;
  P1IFG=0;
      for (i=0; i<8; i++)
     {
      LCDMEM[i] = Digit[i];   //显示“0，1，2，3，4，5，6，7” 
      }  
  Control_flag=0;              //阀门初始状态为阀关
  IE2 &=~ BTIE;                 //当电机动作时使能BT中断
  _EINT();
  while(1)
    {
      if(Control_flag==1)    
       { 
         LCDMEM[9]|= 0x02;     //显示“阀开”
         LCDMEM[9]&=~ 0x20;
         Motor_Open();        //打开阀门
       }
      else
       { 	
         LCDMEM[9]&=~ 0x02;
         LCDMEM[9]|= 0x20;   //显示“阀关”
         Motor_Close();      //关闭阀门 
       } 
     LPM3;  
   }
} 


/***************按键中断子程序*******************/
#ifdef __IAR_SYSTEMS_ICC__
#if __VER__ >= 200
#pragma vector=PORT1_VECTOR
__interrupt void Port1_Int (void)
#else
interrupt[PORT1_VECTOR] void Port1_Int (void)
#endif
#else
interrupt[PORT1_VECTOR] void Port1_Int (void)
#endif
{
  if((P1IFG&BIT5)!=0)
    {
      P1IFG=0;
      if(Control_flag==0)
       {
         Control_flag=1;
       }
      else
       {
        Control_flag=0;
       }
      LPM3_EXIT;
    }  
}

/******************BT中断子程序*****************/
/***********定时器定时1s检测电机状态***********/
#ifdef __IAR_SYSTEMS_ICC__

#if __VER__ >= 200
#pragma vector=BASICTIMER_VECTOR
__interrupt void BT_Int (void)
#else
interrupt[BASICTIMER_VECTOR] void BT_Int (void)
#endif

#else
interrupt[BASICTIMER_VECTOR] void BT_Int (void)
#endif
{
    if(CACTL2&CAOUT)           //如果电机到位，比较器CAOUT输出“1”        
    {
      CACTL1 &= ~CAON;         //关闭比较器
      MOTOR_OUT &=~(MOTOR_OPEN+MOTOR_CLOSE);
      CACTL2=0x0e;
      IE2 &=~ BTIE;                 //关闭BT
    } 
}