Check m_rxValid in flush(). Fixes #118

plerup · Oct 18, 2019 · 8f85d64 · 8f85d64
1 parent d22fc69
commit 8f85d64
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Showing 3 changed files with 3 additions and 2 deletions.
diff --git a/library.json b/library.json
@@ -1,6 +1,6 @@
 {
     "name": "EspSoftwareSerial",
-    "version": "5.3.3",
+    "version": "5.3.4",
     "keywords": [
       "serial", "io", "softwareserial"
     ],

diff --git a/library.properties b/library.properties
@@ -1,5 +1,5 @@
 name=EspSoftwareSerial
-version=5.3.3
+version=5.3.4
 author=Peter Lerup, Dirk Kaar
 maintainer=Peter Lerup <[email protected]>
 sentence=Implementation of the Arduino software serial for ESP8266/ESP32.

diff --git a/src/SoftwareSerial.cpp b/src/SoftwareSerial.cpp
@@ -274,6 +274,7 @@ size_t ICACHE_RAM_ATTR SoftwareSerial::write(const uint8_t * buffer, size_t size
 }
 
 void SoftwareSerial::flush() {
+    if (!m_rxValid) { return; }
     m_buffer->flush();
 }
-Original file line number
+Diff line change
@@ Expand Up @@
     }
     void SoftwareSerial::flush() {
+        if (!m_rxValid) { return; }
         m_buffer->flush();
     }
@@ Expand Down @@