main.c

这是uc/osii在msp430上移植的详细代码

/**********************************************
*  文件名称：
*          main.c
*  文件说明：
*       程序运行后，行列扫描键盘工作,有按键按下
*  时按键的键值显示到LED。行列键盘的“＃”对应键值为A
*  “* ”对应键值为B
**********************************************/

#define MSP430F449_H 0
#include <msp430x44x.h>

/*****************************************************************************
*                        user constants declarations
******************************************************************************
*/

#define OUTA_U     0x80                          /*DA converter A channel            */ 
#define OUTB_I     0x00                          /*DA converter B channel            */
//#define NO_TOUCH   0x01                          /*key press ,not touch plate        */
//#define SLOW       0x02                          /*start welding,slow wire feed      */
//#define NORMAL     0x04                          /*normal wire feed                  */
//#define STOP       0x08                          /*no key  pressed                   */
//#define STEP_TWO   0x01                          /*two step                          */
//#define STEP_FOUR  0x02                          /*four step                         */
#define POWER_ON    0x04                          /*machine power on                  */
#define POWER_OFF  (~0x04)                        /*turn off the power source         */
#define UG          0x01
#define IG         (~0x01)
#define GAS_ON     (~0x40)                        /*turn on gas                       */
#define GAS_OFF     0x40                          /*shut down gas                     */      
#define FEED_ON     0x80                          /*wire feed on                      */
#define FEED_OFF   (~0x80)                        /*wire feed stop                    */
 
//asm("DA_DATA equ    0210h");

extern unsigned int DA_DATA;

unsigned int   speed     = 1;
unsigned char  LOW_TEMP  = 1    ;
unsigned char  HIGH_TEMP = 1    ; 
extern unsigned char key_Flag;
void init_Keyboard(void);
void key_Event(void);
void Key_Process(void);
void DaConverter(unsigned char aorb);
void CoderRead(void);
unsigned char Key_Flag;
/***********************************************************
* 延迟，用于消除抖动
************************************************************/
extern void delay(unsigned int cnt)
{
     unsigned int tmp;
      for(tmp=cnt;tmp>0;tmp--);
}
/**********************************************************
*
***********************************************************/
void init_sys(void)
{
  unsigned int tmp1,tmp2;
  IE1&=0x00;
  WDTCTL = WDTPW + WDTHOLD; 		// Stop WDT
  /*clock init**********************************************************/
  SCFQCTL=SCFQ_4M ;                     //N=127   MODULATE ON
  SCFI0|=FN_8+0x40;                     //5~40MHZ, D=2;
  FLL_CTL0=0;
  FLL_CTL0|=0x80;                       //DCO在MCLK或SMCLK前分频
  FLL_CTL1|=SELS+SELM_XT2+FLL_DIV0 ;    //SMCLK，MCLK为XT2CLK，ACLK/2
 /*IO port function selection******************************************/
  P3SEL|=BIT2+BIT3+BIT5;
  P4SEL|=BIT0+BIT1;
  P6SEL|=BIT0+BIT1+BIT2+BIT3;
  /* IO direction selection  *******************************************/
  P1DIR|=BIT4+BIT5+BIT6+BIT7;
  P3DIR|=BIT0+BIT1+BIT2+BIT4+BIT5+BIT6+BIT7;
  P4DIR|=BIT0+BIT2;
  P5DIR|=BIT0+BIT1+BIT2+BIT3+BIT4+BIT5+BIT6+BIT7;
  P6DIR|=BIT4+BIT5+BIT6+BIT7;
  /*  interrup initiation**************************************************/
  P1IE =0x0F;
  P1IES=0x00;
  P1IFG=0x00;
  P2IE =0xFE;
  P2IES=0x00;
  P2IFG=0x00;
  /* assure weld state  ***************************************************/
  P1OUT|=0xF0;
  P3OUT&=GAS_ON;      
  P3OUT&=IG;             //P3.0/PI=0
  P3OUT|=FEED_ON;
  P4OUT|=POWER_ON;
  P3OUT|=BIT1;
  /*  PWM1 output     **************************************************/
  TBCTL&=~(MC0+MC1);                
  TBCTL|=TBSSEL1+CNTL1+CNTL0;
  TBCTL&=~(ID1+ID0); 
  TBCCTL4|=OUTMOD_6;
  TBCCTL4&=~CAP;
  TBCCR0=0xFE;
  TBCTL|=MC0;  
  TBR=0x00;
  
    


  for(tmp1=0x10;tmp1<=0x80;tmp1+=0x10)         // 检测数码管
    {
      P6OUT|=tmp1;
      delay(65500);
      P6OUT&=0x00;

    }

  P5OUT|=0xff;
  for(tmp2=0x90;tmp2<=0xc0;tmp2+=0x10)                // 检测LED
    {
      P6OUT|=tmp2;
      delay(65500);
      P6OUT&=0x00;

    }
  P5OUT&=0x00;
  for(tmp2=0x90;tmp2<=0xc0;tmp2+=0x10)                // 检测LED
    {
      P6OUT|=tmp2;
      delay(65500);
      P6OUT&=0x00;

    }
    P5OUT=0xc0;
  for(tmp1=0x10;tmp1<=0x80;tmp1+=0x10)         // 检测数码管
    {
      P6OUT|=tmp1;
      delay(65500);
      P6OUT&=0x00;

    }
    _EINT();
}
/*****************************************************************************************
*                  SpiTask( )
*task to initiate spi and tlv5626
*
******************************************************************************************
*/
void SpiInitTask(void)
{  unsigned char i=0;
   
   
      
      UCTL0&=~(SWRST+MM);               // D TO A AND SPI
      UCTL0|=SYNC+CHAR;
      UTCTL0&=~(CKPH+SSEL0+SSEL1+CKPL);
      P3OUT&=~BIT4;
      P3OUT|=BIT1;
      ME1|=USPIE0;
      TXBUF0=0xD0;
      P3OUT^=BIT4;
      P3OUT&=~BIT1;
         for(i=0;i<15;i++)
            P3OUT^=BIT4;    
      UCTL0&=~(SWRST+MM); 
      TXBUF0=0x02;
      ME1|=USPIE0;
         for(i=0;i<16;i++)
            P3OUT^=BIT4;    
      P3OUT|=BIT1;
      
      
                 //suspend this task and resume it after arcstop?
      
   
}

/*********************************************
*  main()函数
*********************************************/
void main(void)
{
     WDTCTL = WDTHOLD + WDTPW ;           // 停止看门狗
     init_sys();
     SpiInitTask();
     init_Keyboard();                     // 初始化键盘
     
     while(1){
       if(key_Flag==1){Key_Process();}
	CoderRead();
	TBCCR4=speed;
     }
}
#pragma vector=PORT1_VECTOR
__interrupt void PORT1()
{
    if((P1IFG&(BIT0+BIT1+BIT2+BIT3))!=0)  //判断是否是按键触发的中断
    {
        key_Event();
    }
    P1IFG&=0;                  //清除中断标志
}
#pragma vector=PORT2_VECTOR
__interrupt void PORT2()
{
    if((P2IFG&(BIT1+BIT2+BIT3+BIT4+BIT5+BIT6+BIT7))!=0)  //判断是否是按键触发的中断
    {
        P5OUT|=BIT1;
                  
   
        P6OUT|=0XC0;
      delay(65500);
      P6OUT&=0x00;
    }
    P2IFG&=0;                  //清除中断标志
}