Standalone mode: Adding Legic Prime read/sim run

This commit adds a standalone mode for Legic Prime.
It reads and simulates a Legic tag.
Tested with MIM1024 tags.
MIM256 and MIM512 should work to. We just read the data and for simulating
we pretend to be a MIM1024 card.

Co-authored-by: Stefanie Hofmann <>

armsrc/Standalone/hf_legic.c

@@ -0,0 +1,81 @@
+//-----------------------------------------------------------------------------
+// Stefanie Hofmann, 2020
+// Uli Heilmeier, 2020
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// main code for Legic Prime read/sim
+//-----------------------------------------------------------------------------
+#include "standalone.h"
+#include "proxmark3_arm.h"
+#include "appmain.h"
+#include "fpgaloader.h"
+#include "util.h"
+#include "dbprint.h"
+#include "ticks.h"
+
+#include "legicrf.h"
+#include "legicrfsim.h"
+
+void ModInfo(void) {
+  DbpString("  HF Legic Prime standalone  ");
+}
+
+// Searching for Legic card until found and read.
+// Simulating recorded Legic Prime card.
+// C = Searching
+// A, B, C = Reading
+// A, D = Simulating
+
+void RunMod(){
+  StandAloneMode();
+  FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+  Dbprintf(">>  HF Legic Prime Read/Simulate Started  <<");
+
+  int read_success;
+  for(;;){
+    WDT_HIT();
+
+    //exit from hf_legic,  send usbcommand
+    if(data_available()) break;
+
+    //Was our button held down or pressed?
+    int button_pressed = BUTTON_HELD(280);
+    if(button_pressed != BUTTON_HOLD) continue;
+
+    LED_A_OFF();
+    LED_B_OFF();
+    LED_C_ON();
+    LED_D_OFF();
+
+    WAIT_BUTTON_RELEASED();
+
+    //record
+    DbpString("[=] start recording");
+
+    //search for legic card until reading successfull or button pressed
+    do{
+      LED_C_ON();
+      SpinDelay(1000);
+      // We don't care if we read a MIM256, MIM512 or MIM1024
+      // we just read 1024 bytes
+      LegicRfReader(0, 1024, 0x55);
+      read_success = check_success();
+      }while(read_success == 0 && !BUTTON_PRESS());
+
+    //simulate if read successfully
+    if(read_success == 1){
+      LED_A_OFF();
+      LED_B_OFF();
+      LED_C_OFF();
+      LED_D_ON();
+      // The read data is migrated to a MIM1024 card
+      LegicRfSimulate(2);
+    }else{
+      LEDsoff();
+      WAIT_BUTTON_RELEASED();
+    }
+  }
+}