Add MIFARE interface support, including LDAP layer.

[zanchey/dispense2.git] / sql-edition / servers / MIFAREClient.py

diff --git a/sql-edition/servers/MIFAREClient.py b/sql-edition/servers/MIFAREClient.py
new file mode 100644 (file)
index 0000000..358f550
--- /dev/null
+++ b/sql-edition/servers/MIFAREClient.py
@@ -0,0 +1,37 @@
+from MIFAREDriver import MIFAREReader, MIFAREException\r
+from serial import Serial\r
+from LDAPConnector import get_uid, set_card_id\r
+\r
+class MIFAREClient:\r
+    def __init__(self):\r
+        self.port = Serial('/dev/ttyS2', baudrate = 19200)\r
+        self.reader = MIFAREReader(self.port)\r
+        self.reader.set_led(red = False, green = True)\r
+        self.reader.beep(100)\r
+    \r
+    def get_card(self):\r
+        self.reader.set_led(red = True, green = False)\r
+        try:\r
+            card_id, capacity = self.reader.select_card()\r
+        except MIFAREException:\r
+            self.reader.set_led(red = False, green = True)\r
+            return None\r
+        else:\r
+            self.reader.set_led(red = False, green = True)\r
+            self.reader.beep(100)\r
+            return card_id\r
+    \r
+    def add_card(self, uid):\r
+        self.reader.set_led(red = True, green = False)\r
+        for attempt in range(5):\r
+            self.reader.beep(50)\r
+            try:\r
+                card_id, capacity = self.reader.select_card()\r
+            except MIFAREException:\r
+                pass\r
+            else:\r
+                set_card_id(card_id, uid)\r
+                self.reader.set_led(red = False, green = True)\r
+                return True\r
+        self.reader.set_led(red = False, green = True)\r
+        return False
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