initport.c

来自「驱动液晶LM6029（128*64）使其显示一副菜单」· C语言 代码 · 共 34 行

/*********************************************/

/*引脚初始化*/
void PortInit( void )
{
      P5SEL = 0x00;
      P5DIR = 0xff;
      P4SEL = 0x00;
      P4DIR = 0xff;
      P1SEL = 0x00;
      P1DIR |= BIT0 + BIT1 + BIT3;
      P1DIR &= ~BIT4;
      P1DIR &= ~BIT5;
      P1DIR &= ~BIT6;
      P1IE  =0;
      P1IES =0;
      P1IFG =0;
      P1IE  |= BIT4;
      P1IE  |= BIT5;
      P1IE  |= BIT6;
      P1IES |= BIT4;
      P1IES |= BIT5;
      P1IES |= BIT6;
      _EINT();
}

/***********************************************/

void CloseWDT(void)
{
      WDTCTL = WDTPW +WDTHOLD;
}

/***************************************************/