From 1a369f0fad0f2e008f6abb7a4b7a7844133c733b Mon Sep 17 00:00:00 2001
From: Samo Fortuna <samo.fortuna@akrapovic.com>
Date: Wed, 22 Feb 2017 12:20:53 +0100
Subject: [PATCH] cardreader: add SCARD_CTL_CODE js implementation

---
 lib/pcsclite.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/pcsclite.js b/lib/pcsclite.js
index 09cc4ad..869105c 100644
--- a/lib/pcsclite.js
+++ b/lib/pcsclite.js
@@ -140,6 +140,15 @@ CardReader.prototype.control = function(data, control_code, res_len, cb) {
     });
 };
 
+CardReader.prototype.SCARD_CTL_CODE = function(code)  {
+    var isWin = /^win/.test(process.platform);
+    if (isWin) {
+        return (0x31 << 16 | (code) << 2);
+    } else {
+        return 0x42000000 + (code);
+    }
+};
+
 // extend prototype
 function inherits(target, source) {
     for (var k in source.prototype) {