Enter safe mode after panic or brownout

tannewt · tannewt · commit d0a806d7975e · 2020-12-08T11:03:24.000-08:00
Uses the IDF's reset reason. Does nothing before reset. Fixes #3389
diff --git a/ports/esp32s2/supervisor/port.c b/ports/esp32s2/supervisor/port.c
@@ -102,6 +102,14 @@ safe_mode_t port_init(void) {
         return NO_HEAP;
     }
 
+    esp_reset_reason_t reason = esp_reset_reason();
+    if (reason == ESP_RST_BROWNOUT) {
+        return BROWNOUT;
+    }
+    if (reason == ESP_RST_PANIC) {
+        return HARD_CRASH;
+    }
+
     return NO_SAFE_MODE;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -102,6 +102,14 @@ safe_mode_t port_init(void) {`
`102`	`102`	`return NO_HEAP;`
`103`	`103`	`}`
`104`	`104`
	`105`	`+ esp_reset_reason_t reason = esp_reset_reason();`
	`106`	`+ if (reason == ESP_RST_BROWNOUT) {`
	`107`	`+ return BROWNOUT;`
	`108`	`+ }`
	`109`	`+ if (reason == ESP_RST_PANIC) {`
	`110`	`+ return HARD_CRASH;`
	`111`	`+ }`
	`112`	`+`
`105`	`113`	`return NO_SAFE_MODE;`
`106`	`114`	`}`
`107`	`115`