SoftwareSerial: fix flush() behaviour

Fix #4029
2015-11-11 16:28:48 +01:00 · 2015-11-11 16:28:48 +01:00 · 7bd71f04b0
parent ab82f330b5
commit 7bd71f04b0
1 changed files with 1 additions and 7 deletions
--- a/libraries/SoftwareSerial/SoftwareSerial.cpp
+++ b/libraries/SoftwareSerial/SoftwareSerial.cpp
@ -469,13 +469,7 @@ size_t SoftwareSerial::write(uint8_t b)

 void SoftwareSerial::flush()
 {
-  if (!isListening())
-    return;
-
-  uint8_t oldSREG = SREG;
-  cli();
-  _receive_buffer_head = _receive_buffer_tail = 0;
-  SREG = oldSREG;
+  // There is no tx buffering, simply return
 }

 int SoftwareSerial::peek()