Add static keyword for configure function
@@ -119,7 +119,7 @@ usart_ll_thread(void const * arg) {
/**
* \brief Configure UART using DMA for receive in double buffer mode and IDLE line detection
*/
-void
+static void
configure_uart(uint32_t baudrate) {
static LL_USART_InitTypeDef usart_init;
static LL_DMA_InitTypeDef dma_init;
