Inserted cast to unsigned int in available method in order to avoid call to __divmodhi4

65e63bf3 · Bernhard Nebel · 44dc454b · 65e63bf3
Commit 65e63bf3 authored Oct 18, 2021 by Bernhard Nebel
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libraries/SoftwareSerial/src/SoftwareSerial.cpp libraries/SoftwareSerial/src/SoftwareSerial.cpp +1 -1

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--- a/libraries/SoftwareSerial/src/SoftwareSerial.cpp
+++ b/libraries/SoftwareSerial/src/SoftwareSerial.cpp
@@ -409,7 +409,7 @@ int SoftwareSerial::available()
  if (!isListening())
    return 0;

-  return (_receive_buffer_tail + _SS_MAX_RX_BUFF - _receive_buffer_head) % _SS_MAX_RX_BUFF;
+  return ((unsigned int)(_receive_buffer_tail + _SS_MAX_RX_BUFF - _receive_buffer_head)) % _SS_MAX_RX_BUFF;
 }

 size_t SoftwareSerial::write(uint8_t b)