[Horus] S.PORT devices update should work (not tested)

[Horus] SD Manager files renaming fixed (quick & dirty, I would prefer a popup)

radio/src/io/bootloader_flash.cpp

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) OpenTX
+ *
+ * Based on code named
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include "opentx.h"
+
+bool isBootloader(const char * filename)
+{
+  FIL file;
+  f_open(&file, filename, FA_READ);
+  uint8_t buffer[1024];
+  UINT count;
+
+  if (f_read(&file, buffer, 1024, &count) != FR_OK || count != 1024) {
+    return false;
+  }
+
+  return isBootloaderStart(buffer);
+}
+
+void bootloaderFlash(const char * filename)
+{
+  FIL file;
+  f_open(&file, filename, FA_READ);
+  uint8_t buffer[1024];
+  UINT count;
+
+  lcdClear();
+  drawProgressBar(STR_WRITING);
+
+  static uint8_t unlocked = 0;
+  if (!unlocked) {
+    unlocked = 1;
+    unlockFlash();
+  }
+
+  for (int i=0; i<BOOTLOADER_SIZE; i+=1024) {
+    watchdogSuspend(100/*1s*/);
+    if (f_read(&file, buffer, 1024, &count) != FR_OK || count != 1024) {
+      POPUP_WARNING(STR_SDCARD_ERROR);
+      break;
+    }
+    if (i==0 && !isBootloaderStart(buffer)) {
+      POPUP_WARNING(STR_INCOMPATIBLE);
+      break;
+    }
+    for (int j=0; j<1024; j+=FLASH_PAGESIZE) {
+      flashWrite(CONVERT_UINT_PTR(FIRMWARE_ADDRESS+i+j), (uint32_t *)(buffer+j));
+    }
+    updateProgressBar(i, BOOTLOADER_SIZE);
+    SIMU_SLEEP(30/*ms*/);
+  }
+
+  if (unlocked) {
+    lockFlash();
+    unlocked = 0;
+  }
+
+  f_close(&file);
+}