diff --git a/inc/stm32f0xx_hal_conf.h b/inc/stm32f0xx_hal_conf.h
--- a/inc/stm32f0xx_hal_conf.h
+++ b/inc/stm32f0xx_hal_conf.h
@@ -29,7 +29,7 @@
 //#define HAL_SPI_MODULE_ENABLED   
 #define HAL_TIM_MODULE_ENABLED   
 #define HAL_UART_MODULE_ENABLED
-//#define HAL_USART_MODULE_ENABLED   
+#define HAL_USART_MODULE_ENABLED   
 //#define HAL_IRDA_MODULE_ENABLED   
 //#define HAL_SMARTCARD_MODULE_ENABLED   
 //#define HAL_SMBUS_MODULE_ENABLED