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Add stub for board selection page.
[bertos.git]
/
bertos
/
cfg
/
macros.h
diff --git
a/bertos/cfg/macros.h
b/bertos/cfg/macros.h
index 9e8139688402d4e64d51c6e5e6dacb8b96149235..4f77b21e6c6c7227492156dea2329e59b9e6f6cf 100644
(file)
--- a/
bertos/cfg/macros.h
+++ b/
bertos/cfg/macros.h
@@
-154,6
+154,12
@@
(b) = tmp; \
} while (0)
(b) = tmp; \
} while (0)
+/**
+ * Reverse the bits contained in b (LSB becomes the MSB and so on).
+ * \note \a b is evaluated twice
+ */
+#define REVERSE_UINT8(b) \
+ ((uint8_t)((((b) * 0x0802UL & 0x22110UL) | ((b) * 0x8020UL & 0x88440UL)) * 0x10101UL >> 16))
#ifndef BV
/** Convert a bit value to a binary flag. */
#ifndef BV
/** Convert a bit value to a binary flag. */