From 9fc7863f367d148c3cbe41d8e6db900f1ff6439a Mon Sep 17 00:00:00 2001
From: Silvano Seva <silseva@fastwebnet.it>
Date: Fri, 22 Jan 2021 22:20:15 +0100
Subject: [PATCH] Utility for dumping external flash security registers on MDx
 devices

---
 tests/platform/dumpSecurityRegs_MDx.c | 70 +++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 tests/platform/dumpSecurityRegs_MDx.c

diff --git a/tests/platform/dumpSecurityRegs_MDx.c b/tests/platform/dumpSecurityRegs_MDx.c
new file mode 100644
index 00000000..407a73e3
--- /dev/null
+++ b/tests/platform/dumpSecurityRegs_MDx.c
@@ -0,0 +1,70 @@
+/***************************************************************************
+ *   Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO,                    *
+ *                         Niccolò Izzo IU2KIN,                            *
+ *                         Frederik Saraci IU2NRO,                         *
+ *                         Silvano Seva IU2KWO                             *
+ *                                                                         *
+ *   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.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, see <http://www.gnu.org/licenses/>   *
+ ***************************************************************************/
+
+#include <stdio.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <W25Qx.h>
+
+void printChunk(void *chunk)
+{
+    uint8_t *ptr = ((uint8_t *) chunk);
+    for(size_t i = 0; i < 16; i++) printf("%02x ", ptr[i]);
+    for(size_t i = 0; i < 16; i++)
+    {
+        if((ptr[i] > 0x22) && (ptr[i] < 0x7f)) printf("%c", ptr[i]);
+        else printf(".");
+    }
+}
+
+void printSecurityRegister(uint32_t reg)
+{
+    uint8_t secRegister[256] = {0};
+    W25Qx_wakeup();
+    W25Qx_readSecurityRegister(reg, secRegister, 256);
+    W25Qx_sleep();
+
+    for(uint32_t addr = 0; addr < 256; addr += 16)
+    {
+        printf("\r\n%02lx: ", addr);
+        printChunk(&(secRegister[addr]));
+    }
+}
+
+int main()
+{
+    W25Qx_init();
+
+    while(1)
+    {
+        getchar();
+
+        printf("0x1000:");
+        printSecurityRegister(0x1000);
+
+        printf("\r\n\r\n0x2000:");
+        printSecurityRegister(0x2000);
+
+        printf("\r\n\r\n0x3000:");
+        printSecurityRegister(0x3000);
+    }
+
+    return 0;
+}