+// type of card (ISO 14443 A or B)
+static char iso_type = 0;
+
+//-----------------------------------------------------------------------------
+// Wrapper for sending APDUs to type A and B cards
+//-----------------------------------------------------------------------------
+int EPA_APDU(uint8_t *apdu, size_t length, uint8_t *response)
+{
+ switch(iso_type)
+ {
+ case 'a':
+ return iso14_apdu(apdu, (uint16_t) length, response);
+ break;
+ case 'b':
+ return iso14443b_apdu(apdu, length, response);
+ break;
+ default:
+ return 0;
+ break;
+ }
+}
+