1 files changed, 11 insertions, 0 deletions
diff --git a/02-usart/src/mem.c b/02-usart/src/mem.c
new file mode 100644
index 0000000..5772bdc
--- /dev/null
+++ b/02-usart/src/mem.c
@@ -0,0 +1,11 @@
+#include "mem.h"
+#include "common.h"
+
+void memcpy_(void* dest, const void* src, size_t len)
+{
+  uint8_t* dest_ = (uint8_t*) dest;
+  uint8_t* src_ = (uint8_t*) src;
+
+  while ((len--) > 0)
+    *(dest_ ++) = *(src_ ++);
+}