Add 'extern' definitions to legitimise clients that want to assume that Serial* always exists.

git-svn-id: https://arducopter.googlecode.com/svn/trunk@321 f9c3cf11-9bcb-44bc-f272-b75c42450872
15 years ago · b4a840a336
2 changed files with 7 additions and 0 deletions
--- a/libraries/FastSerial/FastSerial.cpp
+++ b/libraries/FastSerial/FastSerial.cpp
@ -285,3 +285,4 @@ FastSerial::transmit(void)
				@@ -285,3 +285,4 @@ FastSerial::transmit(void)
        if (_txBuffer.head == _txBuffer.tail)
                *_ucsrb &= ~_portTxBits;
 }
+
--- a/libraries/FastSerial/FastSerial.h
+++ b/libraries/FastSerial/FastSerial.h
@ -96,4 +96,10 @@ private:
				@@ -96,4 +96,10 @@ private:
        TXBuffer        _txBuffer;
 };

+// For clients that want to assume that the default Serial* objects exist.
+extern class FastSerial Serial;
+extern class FastSerial Serial1;
+extern class FastSerial Serial2;
+extern class FastSerial Serial3;
+
 #endif // FastSerial_h