On 2006-07-04, David Brown <[email protected]> wrote:
> However you do it, I agree entirely that you want to use a single name for
> your pins rather than explicitly using both a port address and bit reference
> in the main code.
>
> Personally, I have used a set of macros for many years. They sometimes need
> modification when I start with a new micro or a new compiler, but I have
> used the same API for over a decade with something like twenty different
> compilers and assemblers.
>
>
> #define ledGreen MakeBit(P3OUT, 3)
> #define inputSwitch MakeBit(P3IN, 5)
>
>
> void foo(void) {
> SetBit(ledGreen);
> OutputEnable(ledGreen);
>
> while (1) {
> if (GetBit(inputSwitch)) {
> ResetBit(ledGreen);
> };
> };
> }
I like that approach. Having to define more than one macro
for a ping always seemed "wrong".
--
Grant Edwards grante Yow! I have the power
at to HALT PRODUCTION on all
visi.com TEENAGE SEX COMEDIES!!
