2 files changed, 142 insertions, 0 deletions

diff --git a/bootloader/x1000/recovery.c b/bootloader/x1000/recovery.c
new file mode 100644
index 0000000000..809bd6578a
--- /dev/null
+++ b/bootloader/x1000/recovery.c
@@ -0,0 +1,136 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2021-2022 Aidan MacDonald
+ *
+ * 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "x1000bootloader.h"
+#include "lcd.h"
+#include "font.h"
+#include "button.h"
+#include "kernel.h"
+#include <string.h>
+
+extern void usb_mode(void);
+
+enum {
+    MENUITEM_HEADING,
+    MENUITEM_ACTION,
+};
+
+struct menuitem {
+    int type;
+    const char* text;
+    void(*action)(void);
+};
+
+/* Defines the recovery menu contents */
+static const struct menuitem recovery_items[] = {
+    {MENUITEM_HEADING,  "System",                   NULL},
+    {MENUITEM_ACTION,       "Start Rockbox",        &boot_rockbox},
+    {MENUITEM_ACTION,       "USB mode",             &usb_mode},
+    {MENUITEM_ACTION,       "Shutdown",             &shutdown},
+    {MENUITEM_ACTION,       "Reboot",               &reboot},
+    {MENUITEM_HEADING,  "Bootloader",               NULL},
+    {MENUITEM_ACTION,       "Install or update",    &bootloader_install},
+    {MENUITEM_ACTION,       "Backup",               &bootloader_backup},
+    {MENUITEM_ACTION,       "Restore",              &bootloader_restore},
+};
+
+static void put_help_line(int line, const char* str1, const char* str2)
+{
+    int width = LCD_WIDTH / SYSFONT_WIDTH;
+    lcd_puts(0, line, str1);
+    lcd_puts(width - strlen(str2), line, str2);
+}
+
+void recovery_menu(void)
+{
+    const int n_items = sizeof(recovery_items)/sizeof(struct menuitem);
+
+    int selection = 0;
+    while(recovery_items[selection].type != MENUITEM_ACTION)
+        ++selection;
+
+    while(1) {
+        clearscreen();
+        putcenter_y(0, "Rockbox recovery menu");
+
+        int top_line = 2;
+
+        /* draw the menu */
+        for(int i = 0; i < n_items; ++i) {
+            switch(recovery_items[i].type) {
+            case MENUITEM_HEADING:
+                lcd_putsf(0, top_line+i, "[%s]", recovery_items[i].text);
+                break;
+
+            case MENUITEM_ACTION:
+                lcd_puts(3, top_line+i, recovery_items[i].text);
+                break;
+
+            default:
+                break;
+            }
+        }
+
+        /* draw the selection marker */
+        lcd_puts(0, top_line+selection, "=>");
+
+        /* draw the help text */
+        int line = (LCD_HEIGHT - SYSFONT_HEIGHT)/SYSFONT_HEIGHT - 3;
+        put_help_line(line++, BL_DOWN_NAME "/" BL_UP_NAME, "move cursor");
+        put_help_line(line++, BL_SELECT_NAME, "select item");
+        put_help_line(line++, BL_QUIT_NAME, "power off");
+
+        lcd_update();
+
+        /* handle input */
+        switch(get_button(TIMEOUT_BLOCK)) {
+        case BL_SELECT: {
+            if(recovery_items[selection].action)
+                recovery_items[selection].action();
+        } break;
+
+        case BL_UP:
+            for(int i = selection-1; i >= 0; --i) {
+                if(recovery_items[i].action) {
+                    selection = i;
+                    break;
+                }
+            }
+            break;
+
+        case BL_DOWN:
+            for(int i = selection+1; i < n_items; ++i) {
+                if(recovery_items[i].action) {
+                    selection = i;
+                    break;
+                }
+            }
+            break;
+
+        case BL_QUIT:
+            shutdown();
+            break;
+
+        default:
+            break;
+        }
+    }
+}
diff --git a/bootloader/x1000/x1000bootloader.h b/bootloader/x1000/x1000bootloader.h
index 47f340532d..05f421fc61 100644
--- a/bootloader/x1000/x1000bootloader.h
+++ b/bootloader/x1000/x1000bootloader.h
@@ -92,4 +92,10 @@ void boot_rockbox(void);
 void shutdown(void);
 void reboot(void);
 
+/*
+ * Misc
+ */
+
+void recovery_menu(void) __attribute__((noreturn));
+
 #endif /* __X1000BOOTLOADER_H__ */