1 files changed, 11 insertions, 0 deletions
diff --git a/lib/nfc/protocols/nfc_util.h b/lib/nfc/protocols/nfc_util.h
new file mode 100644
index 00000000..d530badc
--- /dev/null
+++ b/lib/nfc/protocols/nfc_util.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include <stdint.h>
+
+void nfc_util_num2bytes(uint64_t src, uint8_t len, uint8_t* dest);
+
+uint64_t nfc_util_bytes2num(uint8_t* src, uint8_t len);
+
+uint8_t nfc_util_even_parity32(uint32_t data);
+
+uint8_t nfc_util_odd_parity8(uint8_t data);