• How to use extern sbit declare?
    I declare a variable unsigned char bdata Kde in a.c . [in file a.c] unsigned char bdata Kde; Than I want to use the variable in b.c . [in file b.c] #include <stdio.h> ..... extern unsigned...
  • Regarding sbit
    hi all, I had created some libraries. Those libraries require some pin definitions. My question is, how do I extern sbit ??? Plz Help...
  • about the sbit
    Hi, Why I cannot use P1^1 directly in source code if i didn't use sbit definition in Keil_C51? Another thing is, how to implement the following function about the "dynamic bit" in Keil_c51 V6.02...
  • usage of sbit
    < struct{ bit open; bit close; }door[2]; sbit door[0].open = P1^0; sbit door[0].close = P1^1; sbit door[1].open = P1^2; sbit door[1].close = P1^3; > Here when I compile/build...
  • sbit error
    Hello everyone I tried to write a C code using uvision but at the very beginning I got a problem with my declaration. I want to use sbit to address a single bit. My problem is that uvision...