add @DirectCall to Serial

Signed-off-by: surenyi <surenyi82@qq.com>
6 years ago · 675d572f5e
1 changed files with 6 additions and 1 deletions
--- a/packages/vsky/libdsp/Serial.xdc
+++ b/packages/vsky/libdsp/Serial.xdc
@ -23,26 +23,31 @@ instance:
 	 * }
 	 * @p
 	 */
+	@DirectCall
 	create(Int port);

 	/*!
 	 * read a byte from serial.
 	 */
+	 @DirectCall
 	UInt8 read();

 	/*!
 	 * write a byte to serial.
 	 */
+	 @DirectCall
 	void  write(UInt8 ch);

    /*!
 	 * data is comming.
-	 *
+	 */
+	 @DirectCall
 	 Bool isReady();

 	/*!
 	 * get the lowlevel uart handle.
 	 */
+	 @DirectCall
 	 Ptr getUart();

 internal: