试试用ULINK2_KL27 mini Board下载滚动LED_全程寄存器操作

caoren123 · 发表于 2016-3-18 21:24:48

本帖最后由 caoren123 于 2016-3-18 21:28 编辑

LED效果！
https://pan.baidu.com/s/1jHuSj1G

#include "MKL27Z644.h"

void Delay(unsigned int nDelay)
{
unsigned int i,j;

for ( i=0;i<nDelay;i++ )
for ( j=0;j<6144;j++ );
}

void main(void)
{
unsigned char i=0;
      SIM->SCGC5  |=(1<<9)|(1<<11)|(1<<13);       //

      //PA2
      PORTA_PCR2 |=  (1<<8)|             //MUX
                                    (1<<2)|             //SRE
                                    (1<<1)|       //PE
                                    (1<<0);             //PS

      GPIOA_PDOR |=(1<<2);
      GPIOA_PDDR |=(1<<2);
            //PA1
      PORTA_PCR1 |=  (1<<8)|             //MUX
                                    (1<<2)|             //SRE
                                    (1<<1)|       //PE
                                    (1<<0);             //PS

      GPIOA_PDOR |=(1<<1);
      GPIOA_PDDR |=(1<<1);

      //PC3
      PORTC_PCR3 |=  (1<<8)|             //MUX
                                    (1<<2)|             //SRE
                                    (1<<1)|       //PE
                                    (1<<0);             //PS

      GPIOC_PDOR |=(1<<3);
      GPIOC_PDDR |=(1<<3);


            //PC3
      PORTE_PCR0 |=  (1<<8)|             //MUX
                                    (1<<2)|             //SRE
                                    (1<<1)|       //PE
                                    (1<<0);             //PS

      GPIOE_PDOR |=(1<<0);
      GPIOE_PDDR |=(1<<0);

while(1)
{

      Delay(100);
      i++;
      if(i>3)i=0;
      switch(i)
      {
            case 0: GPIOA_PTOR |=(1<<1);
                     break;
            case 1: GPIOA_PTOR |=(1<<2);
                     break;
            case 2: GPIOC_PTOR |=(1<<3);
                     break;
            case 3: GPIOE_PTOR |=(1<<0);
                     break;
            default:;
      }

}

}

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