From b8c7e02ad847a7874ab04ca4246a6c0e2a70e9e4 Mon Sep 17 00:00:00 2001
From: flamebarke <39644720+flamebarke@users.noreply.github.com>
Date: Thu, 4 May 2023 21:34:27 +1000
Subject: [PATCH] Create lf_multihid.c

Signed-off-by: flamebarke <39644720+flamebarke@users.noreply.github.com>
---
 armsrc/Standalone/lf_multihid.c | 76 +++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 armsrc/Standalone/lf_multihid.c

diff --git a/armsrc/Standalone/lf_multihid.c b/armsrc/Standalone/lf_multihid.c
new file mode 100644
index 000000000..d2edd867c
--- /dev/null
+++ b/armsrc/Standalone/lf_multihid.c
@@ -0,0 +1,76 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) Shain Lakin, 2023
+// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// See LICENSE.txt for the text of the license.
+//-----------------------------------------------------------------------------
+// LF HID 26 Bit (H10301) multi simulator:
+// Simple LF HID26 (H10301) tag simulator
+// Short click - select next slot and start simulation
+// LEDS = LED ON for selected slot
+// Add tags (raw) to the hid26_predefined_raw array
+//-----------------------------------------------------------------------------
+
+
+#include "standalone.h"
+#include "proxmark3_arm.h"
+#include "appmain.h"
+#include "fpgaloader.h"
+#include "util.h"
+#include "dbprint.h"
+#include "ticks.h"
+#include "lfops.h"
+
+#define ARRAYLEN(x) (sizeof(x) / sizeof((x)[0]))
+#define MAX_IND 4
+
+void LED_Slot(int i);
+
+static uint64_t hid26_predefined_raw[] = {0x2004ec2e87, 0x2004421807, 0x20064312d6, 0x2006ec0c86};
+static uint8_t hid26_slots_count;
+
+void ModInfo(void) {
+    DbpString("LF HID 26 Bit (H10301) multi simulator - aka MultiHID (Shain Lakin)");
+}
+
+void LED_Slot(int i) {
+    LEDsoff();
+    if (hid26_slots_count > 4) {
+        LED(i % MAX_IND, 0);
+    } else {
+        LED(1 << i, 0);
+    }
+}
+
+void RunMod(void) {
+    StandAloneMode();
+    FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+    Dbprintf(">>  LF HID26 multi simulator started - aka MultiHID (Shain Lakin)  <<");
+
+    int selected = 0; //selected slot after start
+    hid26_slots_count = ARRAYLEN(hid26_predefined_raw);
+    for (;;) {
+        WDT_HIT();
+        if (data_available()) {
+            LEDsoff();
+            break;
+        }
+
+        SpinDelay(100);
+        SpinUp(100);
+        LED_Slot(selected);
+        uint64_t raw_data = hid26_predefined_raw[selected];
+        CmdHIDsimTAG(0, raw_data >> 32, raw_data & 0xFFFFFFFF, 0, false);
+        selected = (selected + 1) % hid26_slots_count;
+    }
+}