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-rw-r--r--02-usart/include/lib.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/02-usart/include/lib.h b/02-usart/include/lib.h
new file mode 100644
index 0000000..be0e8e9
--- /dev/null
+++ b/02-usart/include/lib.h
@@ -0,0 +1,10 @@
+#ifndef LIB_H_
+#define LIB_H_
+
+#include <stdint.h>
+
+void hexify(uint32_t v, char* into);
+
+void decimalify(int v, char* into);
+
+#endif