2 files changed, 29 insertions, 0 deletions
diff --git a/kernel/include/stdbuff.h b/kernel/include/stdbuff.h
new file mode 100644
index 0000000..908fee2
--- /dev/null
+++ b/kernel/include/stdbuff.h
@@ -0,0 +1,18 @@
+#ifndef STDBUFF_H
+#define STDBUFF_H
+
+#include <types.h>
+
+struct stdbuff {
+	size_t head;
+	size_t tail;
+	uint32_t size;
+	char* data;
+};
+typedef struct stdbuff stdbuff;
+
+stdbuff* init_buff(uint32_t buff_size);
+void read_buff(stdbuff* buffer, char* dest_ptr, size_t read_size);
+void write_buff(stdbuff* buffer, const char* src_ptr, size_t write_size);
+
+#endif
diff --git a/kernel/include/timer.h b/kernel/include/timer.h
new file mode 100644
index 0000000..0113bbb
--- /dev/null
+++ b/kernel/include/timer.h
@@ -0,0 +1,11 @@
+#ifndef TIMER_H
+#define TIMER_H
+
+#include <types.h>
+
+#define TICKS_PER_SECOND 50
+
+void timer_handler(void);
+void init_timer(uint32_t frequency);
+
+#endif