deep sleep

src/globals.h

@@ -54,8 +54,13 @@ void writeFile(fs::FS &fs, const char * path, const char * message){
 
 unsigned long lastStart = 0;
 
+unsigned long lastInteraction =  0;
+
 uint8_t buttontoignore = 0;
 
 const int startDelay = 250;
 
+// wait until deep sleep:
+const long sleepDelay = 1800000;
+
 #endif