From c7457d0d8a3158bdb55c4eae76b0cc223c334342 Mon Sep 17 00:00:00 2001
From: ntruchsess <norbert.truchsess@t-online.de>
Date: Tue, 23 Feb 2016 17:23:54 +0100
Subject: [PATCH] fix missing detection of reset during write of zero-bits

---
 OneWireSlave.cpp | 7 +++++++
 OneWireSlave.h   | 1 +
 2 files changed, 8 insertions(+)

diff --git a/OneWireSlave.cpp b/OneWireSlave.cpp
index aaf6ade..01fd9c2 100644
--- a/OneWireSlave.cpp
+++ b/OneWireSlave.cpp
@@ -209,6 +209,12 @@ void OneWireSlave::beginResetDetection_()
 	resetStart_ = micros() - 50;
 }
 
+void OneWireSlave::beginResetDetectionSendZero_()
+{
+	setTimerEvent_(ResetMinDuration - SendBitDuration - 50, &OneWireSlave::resetCheck_);
+	resetStart_ = micros() - SendBitDuration - 50;
+}
+
 void OneWireSlave::cancelResetDetection_()
 {
 	disableTimer_();
@@ -298,6 +304,7 @@ void OneWireSlave::endSendBitZero_()
 	onEnterInterrupt_();
 
 	releaseBus_();
+	beginResetDetectionSendZero_();
 	bitSentCallback_(false);
 
 	onLeaveInterrupt_();
diff --git a/OneWireSlave.h b/OneWireSlave.h
index 7291a61..5cc906c 100644
--- a/OneWireSlave.h
+++ b/OneWireSlave.h
@@ -53,6 +53,7 @@ private:
 	static void beginSendBit_(bool bit, void(*completeCallback)(bool error));
 
 	static void beginResetDetection_();
+	static void beginResetDetectionSendZero_();
 	static void cancelResetDetection_();
 
 	static void beginWaitReset_();