From b32ff4f6cd01d415ded1ee3e8d8556e81816ae35 Mon Sep 17 00:00:00 2001
From: Felix Rusu <felix@lowpowerlab.com>
Date: Mon, 19 Oct 2020 11:31:02 -0400
Subject: [PATCH] OTA fails if flash is not woken up

---
 RFM69_OTA.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/RFM69_OTA.cpp b/RFM69_OTA.cpp
index 6143887..f75b051 100644
--- a/RFM69_OTA.cpp
+++ b/RFM69_OTA.cpp
@@ -80,6 +80,7 @@ uint8_t HandleHandshakeACK(RFM69& radio, SPIFlash& flash, uint8_t flashCheck) {
   if (flashCheck)
   {
     uint16_t deviceID=0;
+    flash.wakeup(); //if flash.sleep() was previously called, flash.wakeup() is required or it's non responsive
     for (uint8_t i=0;i<10;i++) {
       uint16_t idNow = flash.readDeviceId();
       if (idNow==0 || idNow==0xffff || (i>0 && idNow != deviceID)) {