MSP430F149学习之路——时钟2

代码一：

/**************************
功能：LED每隔1秒闪烁一次
****************************/
#include <msp430x14x.h>
void main()
{
  P6DIR = 0XFF;
  P6OUT = 0X00;
  TACCR0 = ;
  TACCTL0 = CCIE;
  TACTL = TASSEL_1 + ID_3 + MC_1;

  _EINT();
  LPM3;
}
#pragma vector=TIMERA0_VECTOR
__interrupt void Timer_A(void)
{
  P6OUT ^= 0XFF;
}

代码二：

 #include <msp430x14x.h>

 int flag=,time=;
 void int_clk();    //初始化时钟
 void int_timer();  //设置定时器A
 void main()
 {
   WDTCTL = WDTPW +WDTHOLD;
   P6DIR  = 0XFF;
   P6OUT  = 0XFF;
   int_clk();
   int_timer();
   _EINT();

   for(;;)
   {
     while(flag)
     {
       flag=;
       time++;
       if(time==)
       {
         P6OUT ^= 0XFF;
         time = ;
       }
     }
   }
 }

 void int_clk()
 {
   BCSCTL1 &= ~XT2OFF;
   BCSCTL2 |= SELM_1 + SELS;
   do
   {
     IFG1 &= ~OFIFG;
     for(int i=;i>;i--)
       _NOP();
   }while((IFG1 & OFIFG)!=);
   IFG1 &= ~OFIFG;
 }

 void int_timer()
 {
   TACTL |= TASSEL_2 + ID_3 + MC_1;
   TACCTL0 = CCIE;
   TACCR0 = ;      //10ms
 }
 #pragma vector = TIMERA0_VECTOR
 __interrupt void Timer_A(void)
 {
   flag = ;
 }