+#define CMD_STATUS 0x0108
+#define CMD_PING 0x0109
+
+// RDV40, Smart card operations
+#define CMD_SMART_RAW 0x0140
+#define CMD_SMART_UPGRADE 0x0141
+#define CMD_SMART_UPLOAD 0x0142
+#define CMD_SMART_ATR 0x0143
+// CMD_SMART_SETBAUD is unused for now
+#define CMD_SMART_SETBAUD 0x0144
+#define CMD_SMART_SETCLOCK 0x0145