[HAL][GENERIC] Allow redefinition of macro UNUSED(x)
diff --git a/Inc/stm32l5xx_hal_def.h b/Inc/stm32l5xx_hal_def.h
index 8b338c5..f9acf77 100644
--- a/Inc/stm32l5xx_hal_def.h
+++ b/Inc/stm32l5xx_hal_def.h
@@ -59,7 +59,9 @@
/* Exported macros -----------------------------------------------------------*/
+#if !defined(UNUSED)
#define UNUSED(X) (void)X /* To avoid gcc/g++ warnings */
+#endif /* UNUSED */
#define HAL_MAX_DELAY 0xFFFFFFFFU
diff --git a/README.md b/README.md
index 92bb722..14c194a 100644
--- a/README.md
+++ b/README.md
@@ -33,4 +33,6 @@
## Troubleshooting
-Please refer to the [CONTRIBUTING.md](CONTRIBUTING.md) guide.
+If you have any issue with the **software content** of this repository, you can file an issue [here](https://github.com/STMicroelectronics/stm32l5xx_hal_driver/issues/new/choose).
+
+For any other question related to the product, the tools, the environment, you can submit a topic on the [ST Community/STM32 MCUs forum](https://community.st.com/s/group/0F90X000000AXsASAW/stm32-mcus).
