diff --git a/inc/usart.h b/inc/usart.h
--- a/inc/usart.h
+++ b/inc/usart.h
@@ -4,6 +4,7 @@
 #include "stm32f0xx_hal.h"
 
 void uart_init(void);
+void uart_deinit(void);
 UART_HandleTypeDef* uart_gethandle(void);
 DMA_HandleTypeDef* uart_get_txdma_handle(void);
 DMA_HandleTypeDef* uart_get_rxdma_handle(void);