sys/riotboot: use BTN0_MODE for default value of BTN_BOOTLOADER_INVERTED

RIOT-OS · Nov 24, 2022 · 540f5f8 · 540f5f8
1 parent f58413b
commit 540f5f8
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/sys/include/riotboot/bootloader_selection.h b/sys/include/riotboot/bootloader_selection.h
@@ -61,12 +61,17 @@ extern "C" {
  * Set to true for active-low buttons (go to DFU if the pin is low), otherwise
  * to false (go to DFU if the pin is high).
  *
- * The default value for all boards is inverted (active-low).
- *
- * */
+ * The default value for all boards is inverted (active-low), except if
+ * BTN0_MODE is defined as GPIO_IN_PD. In this case the value is not
+ * inverted (high-active).
+ */
 #ifndef BTN_BOOTLOADER_INVERTED
+#if (BTN0_MODE == GPIO_IN_PD)
+#define BTN_BOOTLOADER_INVERTED false
+#else
 #define BTN_BOOTLOADER_INVERTED true
 #endif
+#endif
 
 /** @brief LED pin for bootloader indication
  *