#include <stdint.h>
#include "commands.h"
-extern uint8_t cmd_buf[];
-extern uint8_t cmd_length;
-
-void interface_init();
-void interface_check();
+void interface_init(void);
+void interface_check(void);
+void interface_send(const uint8_t *, uint8_t);
+void interface_send1(uint8_t);
#endif