bytes.c

来自「CODE for embedded C ,hand coding version」· C语言 代码 · 共 23 行

/*----------------------------------------------*-
  Author : 06_Digital_Media 
 -----------------------------------------------
 Reads from P1 and copies the value to P2
 -*---------------------------------------------*/
 #include<Reg52.H>
 /*---------------------------------------------*/
 void main(void)
 {
   unsigned char Port1_value;
   //Must set up P1 for reading
   P1 = 0xFF;
   while(1){
   //Read the value of P1
   Port1_value=P1;
   //Copy the value to P2
   P2 = Port1_value;
   }
 }
 /*-------------------------------------------------*-
 -------END OF FILE-----------------------------------
 -*--------------------------------------------------*/