Add comments for driver
#error "LWESP_CFG_MEM_CUSTOM must be used instead. This driver does not set memory regions for LwESP."
#endif /* !LWESP_CFG_MEM_CUSTOM */
-/* USART setup */
+/*
+ * USART setup
+ *
+ * PB14 and PB15 are used together with Arduino connector
+ * and extension board with ESP32-C3
+ */
#define LWESP_USART USART1
#define LWESP_USART_CLK_EN LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1)
#define LWESP_USART_IRQ USART1_IRQn
