Added basic PC/SC (WinSCard) smartcard support. (0.17.0)

examples/pcsc_demo.fun

@@ -0,0 +1,44 @@
+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://hanez.org/project/fun/
+ *
+ * Copyright 2025 Johannes Findeisen <you@hanez.org>
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2025-10-02
+ */
+
+// PCSC demo using stdlib PCSC class.
+// Establishes context, lists readers, optionally connects to the first,
+// transmits a sample APDU (SELECT MF), and cleans up.
+
+#include <io/pcsc.fun>
+
+pc = PCSC()
+
+ctx = pc.establish()
+print("ctx=" + to_string(ctx))
+
+readers = pc.list_readers(ctx)
+print("readers=" + to_string(readers))
+
+number h = 0
+if len(readers) > 0
+  // Connect to first reader
+  h = pc.connect(ctx, readers[1])
+  print("handle=" + to_string(h))
+
+  if h != 0
+    // Sample APDU: SELECT MF (00 A4 00 00 02 3F 00)
+    resp = pc.transmit_hex(h, "00A40000023F00")
+    // Print hex data and SW
+    print("resp.data_hex=" + resp["data_hex"])
+    print("resp.sw1=" + to_string(resp["sw1"]) + " sw2=" + to_string(resp["sw2"]) + " code=" + to_string(resp["code"]))
+
+    _ = pc.disconnect(h)
+
+_ = pc.release(ctx)
+print("done")

examples/pcsc_example.fun

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+#!/usr/bin/env fun
+
+// Minimal PCSC example for Fun language
+// Establish context and list readers (prints [] if none or unsupported)
+
+class Pcsc()
+  fun list_readers(this)
+    ctx = pcsc_establish()
+    readers = pcsc_list_readers(ctx)
+    print(readers)
+    _ = pcsc_release(ctx)
+
+p = Pcsc()
+p.list_readers()