From 7d1f27c4bedcdf234bd17003694f74bad66deae5 Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Tue, 18 Jun 2019 11:33:32 +0200
Subject: [PATCH] Update firmware updaters for Nano33IoT

---
 examples/Tools/FirmwareUpdater/ESP32BootROM.cpp               | 4 ++++
 .../Tools/SerialNINAPassthrough/SerialNINAPassthrough.ino     | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/examples/Tools/FirmwareUpdater/ESP32BootROM.cpp b/examples/Tools/FirmwareUpdater/ESP32BootROM.cpp
index ae563248..e88077e9 100644
--- a/examples/Tools/FirmwareUpdater/ESP32BootROM.cpp
+++ b/examples/Tools/FirmwareUpdater/ESP32BootROM.cpp
@@ -79,6 +79,10 @@ int ESP32BootROMClass::begin(unsigned long baudrate)
   delay(10);
   digitalWrite(_resetnPin, LOW);
   delay(100);
+#if defined(ARDUINO_SAMD_NANO_33_IOT)
+  digitalWrite(_resetnPin, HIGH);
+  delay(100);
+#endif
 #endif
 
   int synced = 0;
diff --git a/examples/Tools/SerialNINAPassthrough/SerialNINAPassthrough.ino b/examples/Tools/SerialNINAPassthrough/SerialNINAPassthrough.ino
index 48e083b9..acfd078c 100644
--- a/examples/Tools/SerialNINAPassthrough/SerialNINAPassthrough.ino
+++ b/examples/Tools/SerialNINAPassthrough/SerialNINAPassthrough.ino
@@ -64,6 +64,8 @@ void loop() {
   if (rts != Serial.rts()) {
 #ifdef ARDUINO_SAMD_MKRVIDOR4000
     FPGA.digitalWrite(FPGA_SPIWIFI_RESET, (Serial.rts() == 1) ? LOW : HIGH);
+#elif defined(ARDUINO_SAMD_NANO_33_IOT)
+    digitalWrite(NINA_RESETN, Serial.rts() ? LOW : HIGH);
 #else
     digitalWrite(NINA_RESETN, Serial.rts());
 #endif