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-rw-r--r--libmaple/usart.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/libmaple/usart.h b/libmaple/usart.h
index 0ad1405..e747e65 100644
--- a/libmaple/usart.h
+++ b/libmaple/usart.h
@@ -237,7 +237,10 @@ typedef struct usart_dev {
usart_reg_map *regs; /**< Register map */
ring_buffer *rb; /**< RX ring buffer */
uint32 max_baud; /**< Maximum baud */
- uint8 rx_buf[USART_RX_BUF_SIZE]; /**< Actual RX buffer used by rb */
+ uint8 rx_buf[USART_RX_BUF_SIZE]; /**< @brief Deprecated.
+ * Actual RX buffer used by rb.
+ * This field will be removed in
+ * a future release. */
rcc_clk_id clk_id; /**< RCC clock information */
nvic_irq_num irq_num; /**< USART NVIC interrupt */
} usart_dev;