Circular Buffer: add flush routine to empty buffer

[clinton/Smoothieware.git] / src / libs / USBDevice / USBSerial / CircBuffer.h

diff --git a/src/libs/USBDevice/USBSerial/CircBuffer.h b/src/libs/USBDevice/USBSerial/CircBuffer.h
index 9c91169..706f855 100644 (file)
--- a/src/libs/USBDevice/USBSerial/CircBuffer.h
+++ b/src/libs/USBDevice/USBSerial/CircBuffer.h
@@ -68,6 +68,10 @@ public:
         return(!empty);
     };
 
+    void flush() {
+        read = write;
+    }
+
 private:
     volatile uint16_t write;
     volatile uint16_t read;