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with Ada.Interrupts;

package STM32.DMA.Interrupts is

   protected type DMA_Interrupt_Controller
     (Controller : not null access DMA_Controller;
      Stream     : DMA_Stream_Selector;
      ID         : Ada.Interrupts.Interrupt_ID)
   is

      procedure Start_Transfer (Source      : Address;
                                Destination : Address;
                                Data_Count  : UInt16);

      procedure Abort_Transfer (Result : out DMA_Error_Code);

      procedure Clear_Transfer_State;

      function Buffer_Error return Boolean;

      entry Wait_For_Completion (Status : out DMA_Error_Code);

   private

      procedure Interrupt_Handler;
      pragma Attach_Handler (Interrupt_Handler, ID);

      No_Transfer_In_Progess : Boolean := True;
      Last_Status            : DMA_Error_Code := DMA_No_Error;
      Had_Buffer_Error       : Boolean := False;
   end DMA_Interrupt_Controller;

   type DMA_Interrupt_Controller_Access is access all DMA_Interrupt_Controller;

end STM32.DMA.Interrupts;
