fdelay-lib.h: better macros to convert channel number

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

fdelay-lib.h: better macros to convert channel number
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
d76cee5a · Alessandro Rubini · 5d091940 · d76cee5a
Commit d76cee5a authored Mar 21, 2014 by Alessandro Rubini
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fdelay-lib.h lib/fdelay-lib.h +2 -1

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--- a/lib/fdelay-lib.h
+++ b/lib/fdelay-lib.h
@@ -26,7 +26,8 @@ extern "C" {
   numbers (as seen on the mezzanine's front panel) to convention used
   by the drive (0..3). We keep 0..3 indexing to maintain library
   compatibility. */
-#define FDELAY_OUTPUT(out) ((out) + 1)
+#define FDELAY_OUTPUT_HW_TO_USER(out) ((out) + 1)
+#define FDELAY_OUTPUT_USER_TO_HW(out) ((out) - 1)

 /* Opaque data type used as token */
 struct fdelay_board;