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-rw-r--r--sleep/uart.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/sleep/uart.h b/sleep/uart.h
new file mode 100644
index 0000000..a88a3c6
--- /dev/null
+++ b/sleep/uart.h
@@ -0,0 +1,8 @@
+#ifndef UART_H
+#define UART_H
+
+void uart_init(void);
+void uart_write(const char *s);
+void uart_write_line(const char *s);
+
+#endif /* UART_H */