From c2451f1649cbd54f0a604e40e13392bd937446f1 Mon Sep 17 00:00:00 2001
From: Hendrik Langer <hendrik+dev@xd0.de>
Date: Wed, 7 Feb 2018 19:13:25 +0100
Subject: [PATCH] add standby with display stub

---
 src/main.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index 6b94487..e77cdc2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -26,6 +26,8 @@
 #include <sys/time.h>
 #include "apps/sntp/sntp.h"
 
+#include "driver/rtc_io.h"
+
 #include "main.h"
 #include "hardware.h"
 #include "mp3.h"
@@ -242,6 +244,7 @@ void suspend(uint32_t secondsToSleep) {
     u8g2.setFont(u8g2_font_inb19_mf);
     u8g2.drawStr(0, 20, timeStr);
     // ToDo: set rtc gpio resistors
+    rtc_gpio_hold_en((gpio_num_t)16);
     esp_sleep_enable_timer_wakeup(1000000LL * 60);
   }