- UsbCommand c = {CMD_VERSION};
- UsbCommand resp;
- SendCommand(&c);
- if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
- lookupChipID(resp.arg[0], resp.arg[1]);
- }
- return 0;
+
+ UsbCommand c = {CMD_VERSION};
+ static UsbCommand resp = {0, {0, 0, 0}};
+
+ if (resp.arg[0] == 0 && resp.arg[1] == 0) { // no cached information available
+ SendCommand(&c);
+ if (WaitForResponseTimeout(CMD_ACK,&resp,1000) && Cmd != NULL) {
+ PrintAndLog("Prox/RFID mark3 RFID instrument");
+ PrintAndLog((char*)resp.d.asBytes);
+ lookupChipID(resp.arg[0], resp.arg[1]);
+ }
+ } else if (Cmd != NULL) {
+ PrintAndLog("Prox/RFID mark3 RFID instrument");
+ PrintAndLog((char*)resp.d.asBytes);
+ lookupChipID(resp.arg[0], resp.arg[1]);
+ }
+
+ return 0;