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-rw-r--r--libmaple/stm32f2/include/series/usart.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/libmaple/stm32f2/include/series/usart.h b/libmaple/stm32f2/include/series/usart.h
index 805a2b2..8936efa 100644
--- a/libmaple/stm32f2/include/series/usart.h
+++ b/libmaple/stm32f2/include/series/usart.h
@@ -37,6 +37,8 @@
extern "C"{
#endif
+#include <libmaple/gpio.h> /* for gpio_af */
+
/*
* Register map base pointers.
*/
@@ -96,6 +98,12 @@ extern struct usart_dev *UART4;
extern struct usart_dev *UART5;
extern struct usart_dev *USART6;
+/*
+ * Routines
+ */
+
+gpio_af usart_get_af(struct usart_dev *dev);
+
#ifdef __cplusplus
}
#endif