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with PCSC.SCard;
use PCSC;
procedure Sample is
Context : SCard.Context;
-- PC/SC context
Card : SCard.Card;
-- Card handle
Readers : SCard.Reader_ID_Set;
-- Set of readers
begin
-- Establish context
SCard.Establish_Context (Context => Context,
Scope => SCard.Scope_System);
-- List readers
Readers := SCard.List_Readers (Context => Context);
-- Connect to first reader
SCard.Connect (Context => Context,
Card => Card,
Reader => Readers.First_Item,
Mode => SCard.Share_Shared);
-- Send APDU to card
declare
Recv_Buffer : SCard.Byte_Set (1 .. 10);
Send_Buffer : constant SCard.Byte_Set
:= (16#00#, 16#A4#, 16#00#, 16#00#, 16#02#, 16#3F#, 16#00#);
Recv_Length : Natural := 0;
Recv_PCI : SCard.IO_Request;
begin
SCard.Transmit (Card => Card,
Send_Buffer => Send_Buffer,
Recv_Pci => Recv_PCI,
Recv_Buffer => Recv_Buffer,
Recv_Len => Recv_Length);
end;
-- Disconnect
SCard.Disconnect (Card => Card,
Action => SCard.Reset_Card);
-- Release context
SCard.Release_Context (Context => Context);
end Sample;
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