Add SoftwareSerial::stopListening()

This allows one to explicitly stop a SoftwareSerial instance from
listening, without having to make another one listening.

2 files changed, 12 insertions, 0 deletions

diff --git a/libraries/SoftwareSerial/SoftwareSerial.cpp b/libraries/SoftwareSerial/SoftwareSerial.cpp
index 8bf56e5..a429f7d 100644
--- a/libraries/SoftwareSerial/SoftwareSerial.cpp
+++ b/libraries/SoftwareSerial/SoftwareSerial.cpp
@@ -195,6 +195,17 @@ bool SoftwareSerial::listen()
   return false;

 }

 

+// Stop listening. Returns true if we were actually listening.

+bool SoftwareSerial::stopListening()

+{

+  if (active_object == this)

+  {

+    active_object = NULL;

+    return true;

+  }

+  return false;

+}

+

 //

 // The receive routine called by the interrupt handler

 //

diff --git a/libraries/SoftwareSerial/SoftwareSerial.h b/libraries/SoftwareSerial/SoftwareSerial.h
index 31bd229..e0e4746 100644
--- a/libraries/SoftwareSerial/SoftwareSerial.h
+++ b/libraries/SoftwareSerial/SoftwareSerial.h
@@ -87,6 +87,7 @@ public:
   bool listen();

   void end();

   bool isListening() { return this == active_object; }

+  bool stopListening();

   bool overflow() { bool ret = _buffer_overflow; _buffer_overflow = false; return ret; }

   int peek();