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-rw-r--r--include/crc.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/crc.h b/include/crc.h
new file mode 100644
index 0000000..927b5ff
--- /dev/null
+++ b/include/crc.h
@@ -0,0 +1,14 @@
+#ifndef CRC_H
+#define CRC_H
+
+#ifdef __AVR__
+#include <util/crc16.h>
+static inline
+uint16_t crc16(uint16_t crc, uint8_t data)
+{
+ return _crc_ccitt_update(crc, data);
+}
+#else /* !__AVR__ */
+#endif /* __AVR__ */
+
+#endif /* CRC_H */