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-rw-r--r--digital/avr/modules/utils/utils.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/digital/avr/modules/utils/utils.h b/digital/avr/modules/utils/utils.h
index e4e4c10b..a54ee4ed 100644
--- a/digital/avr/modules/utils/utils.h
+++ b/digital/avr/modules/utils/utils.h
@@ -79,4 +79,10 @@ utils_delay_ms (double ms)
/** Count the number of element in an array. */
#define UTILS_COUNT(a) (sizeof (a) / sizeof ((a)[0]))
+static inline uint8_t
+lesseq_mod8 (uint8_t a, uint8_t b)
+{
+ return ((int8_t) (a - b)) <= 0;
+}
+
#endif /* utils_h */