esp32/machine_rtc.c: Optional MICROPY_HW_RTC_MEM_INIT_ALWAYS #define.

karfas · Dec 5, 2023 · 2d47cab · 2d47cab
1 parent 37119e9
commit 2d47cab
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/ports/esp32/machine_rtc.c b/ports/esp32/machine_rtc.c
@@ -60,10 +60,11 @@ typedef struct _machine_rtc_obj_t {
 #define MICROPY_HW_RTC_USER_MEM_MAX     2048
 #endif
 
-#ifdef MICROPY_HW_RTC_USER_MEM_NOINIT
-#define _USER_MEM_ATTR RTC_NOINIT_ATTR
-#else
+// Defaults to RTC_NOINIT_ATTR so the user memory survives WDT resets and the like.
+#ifdef MICROPY_HW_RTC_MEM_INIT_ALWAYS
 #define _USER_MEM_ATTR RTC_DATA_ATTR
+#else
+#define _USER_MEM_ATTR RTC_NOINIT_ATTR
 #endif
 
 // Optionally compile user memory functionality if the size of memory is greater than 0