#include "led_test.h";
void setup() {
  // put your setup code here, to run once:
  set_port_dir();
  

}


void loop() {
  // put your main code here, to run repeatedly:
  unsigned char  x,z;
  volatile long i,flage,a=0;
  unsigned char ch[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
  unsigned char nu[8]={1,2,4,8,16,32,64,128};
  x=push_butoon();
  z=push_button_z();
     
      if((x & 0x01)==0x01)
      {
        if(i%2==0)
        {
       LED_1(0xFF);
      
        }
        else
        {
           
       LED_1(0x00);

        }
        i++;
        
      }
      
}