[sam] daily commit: EWARM project working, GCC compiling but fail due to missing match for Reset_Handler

hardware/sam/variants/common/USART.h

@@ -0,0 +1,34 @@
+#ifndef _USART_CLASS_
+#define _USART_CLASS_
+
+// USART.cpp need this class to be predefined
+//class USARTClass ;
+
+#include "Arduino.h"
+
+class USARTClass : public HardwareSerial
+{
+  protected:
+    Usart* _pUsart ;
+    IRQn_Type _dwIrq ;
+    uint32_t _dwId ;
+
+  public:
+    USARTClass( Usart* pUsart, IRQn_Type dwIrq, uint32_t dwId, RingBuffer* pRx_buffer, RingBuffer* pTx_buffer ) ;
+
+    void begin( const uint32_t dwBaudRate ) ;
+    void end( void ) ;
+    int available( void ) ;
+    int peek( void ) ;
+    int read( void ) ;
+    void flush( void ) ;
+    void write( const uint8_t c ) ;
+
+    void IrqHandler( void ) ;
+
+    virtual void write( const char *str ) ;
+    virtual void write( const uint8_t *buffer, size_t size ) ;
+//    using Print::write ; // pull in write(str) and write(buf, size) from Print
+};
+
+#endif // _USART_CLASS_