On Fri, 2009-04-24 at 09:56 -0700, Zach Welch wrote:
> On Fri, 2009-04-24 at 18:39 +0200, Magnus Lundin wrote:
> [snip]
> > > static tap_state_t exception_path[] = {
> > > TAP_DREXIT2,
> > > TAP_DRSHIFT,
> > > TAP_DREXIT1,
> > > TAP_DRUPDATE,
> > > TAP_IDLE,
> > > };
> > >
> > > jtag_add_pathmove(
> > > sizeof(exception_path)/sizeof(exception_path[0]), exception_path);
>
> Can we stick the following somewhere in the code:
>
> #define ARRAYSIZEOF(x) (sizeof(x) / sizeof((x)[0]))
>
> and use it instead of that underlying expression? I use this macro in
> my projects frequently, but I always wonder if it could be #include'd
> from a standard header. Anyway, to take your example one step further:
>
> #define JTAG_ADD_PATH_EXCEPTIONS(x) \
> jtag_add_pathmove(ARRAYSIZEOF(x), x);
>
> then:
>
> JTAG_ADD_PATH_EXCEPTIONS(exception_path);
Sorry, I've been working too long today; I suppose this last macro would
be more rightly named JTAG_ADD_PATHMOVE?
Cheers,
Zach
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