Serial Communication help need

[maxter256]

Me error message eka gena aidea thiyena kenek help 1k denna
Serial port eka use karala data 1k device ekakata yawanda hadanne
but me error eka enawa
me error eka ghena danna kenek innawanam ho any idea 1k tiyena kenek innawanam tak gala idea 1k denna

nethnam help 1k ganna tenak kiyanna
thanks
elakiri

 

[kosandpol]

මොන error එකද ?

 

[Meva]

කෝ?