2 files changed, 23 insertions, 5 deletions
diff --git a/os/hal/ports/STM32/LLD/USARTv2/hal_serial_lld.c b/os/hal/ports/STM32/LLD/USARTv2/hal_serial_lld.c
index 8dadd1193..4014ab5bb 100644
--- a/os/hal/ports/STM32/LLD/USARTv2/hal_serial_lld.c
+++ b/os/hal/ports/STM32/LLD/USARTv2/hal_serial_lld.c
@@ -53,14 +53,18 @@
 #define USART_CR1_M_1                       (1 << 28)
 #endif
 
-/* Handling the case where UART4 and UART5 are actually USARTs, this happens
-   in the STM32F0xx.*/
+/* Workarounds for those devices where UARTs are USARTs.*/
 #if defined(USART4)
-#define UART4                               USART4
+#define UART4 USART4
 #endif
-
 #if defined(USART5)
-#define UART5                               USART5
+#define UART5 USART5
+#endif
+#if defined(USART7)
+#define UART7 USART7
+#endif
+#if defined(USART8)
+#define UART8 USART8
 #endif
 
 /*===========================================================================*/
diff --git a/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c b/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c
index 04e25d9c1..5bf3b6089 100644
--- a/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c
+++ b/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c
@@ -30,6 +30,20 @@
 /* Driver local definitions.                                                 */
 /*===========================================================================*/
 
+/* For compatibility for those devices without LIN support in the USARTs.*/
+#if !defined(USART_ISR_LBDF)
+#define USART_ISR_LBDF                      0
+#endif
+
+#if !defined(USART_CR2_LBDIE)
+#define USART_CR2_LBDIE                     0
+#endif
+
+/* STM32L0xx/STM32F7xx ST headers difference.*/
+#if !defined(USART_ISR_LBDF)
+#define USART_ISR_LBDF                      USART_ISR_LBD
+#endif
+
 /* STM32L0xx/STM32F7xx ST headers difference.*/
 #if !defined(USART_ISR_LBDF)
 #define USART_ISR_LBDF USART_ISR_LBD