diff --git a/inc/usart.h b/inc/usart.h
--- a/inc/usart.h
+++ b/inc/usart.h
@@ -3,7 +3,7 @@
 
 #include "stm32f0xx_hal.h"
 
-extern UART_HandleTypeDef huart1;
-void MX_USART1_UART_Init(void);
+void uart_init(void);
+UART_HandleTypeDef* uart_gethandle(void);
 
 #endif