fix a bug

2026-03-21 09:27:03 +01:00 · 2019-04-12 19:31:59 +08:00
parent 63d00b0ea5
commit 0c42ce6f28
1 changed files with 1 additions and 1 deletions
--- a/cores/arduino/UARTClass.cpp
+++ b/cores/arduino/UARTClass.cpp
@@ -107,7 +107,7 @@ UARTClass::read(void)
  while(this->_buff->available()){
    return this->_buff->read_char();
  }
-  return 0;
+  return -1;
 }

 void