1 files changed, 102 insertions, 0 deletions

diff --git a/firmware/target/hosted/rolo.c b/firmware/target/hosted/rolo.c
new file mode 100644
index 0000000000..432d69c86e
--- /dev/null
+++ b/firmware/target/hosted/rolo.c
@@ -0,0 +1,102 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ * Copyright (C) 2020 Solomon Peachy
+ *
+ * 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 "config.h"
+#include "lcd.h"
+#ifdef HAVE_REMOTE_LCD
+#include "lcd-remote.h"
+#endif
+#include "audio.h"
+#include "button.h"
+#include "scroll_engine.h"
+#include "storage.h"
+#include "rolo.h"
+#include "rbpaths.h"
+
+#include <unistd.h>
+#include <stdio.h>
+
+#if defined(HAVE_BOOTDATA) && !defined(SIMULATOR)
+#include "bootdata.h"
+#include "crc32.h"
+extern  int write_bootdata(unsigned char* buf, int len, unsigned int boot_volume); /*rb-loader.c*/
+#endif
+
+static void rolo_error(const char *text, const char *text2)
+{
+    lcd_clear_display();
+    lcd_puts(0, 0, "ROLO error:");
+    lcd_puts_scroll(0, 1, text);
+    if (text2)
+      lcd_puts_scroll(0, 2, text2);
+    lcd_update();
+    button_get(true);
+    button_get(true);
+    button_get(true);
+    lcd_scroll_stop();
+}
+
+int rolo_load(const char* filename)
+{
+    lcd_clear_display();
+    lcd_puts(0, 0, "ROLO...");
+    lcd_puts(0, 1, "Loading");
+    lcd_update();
+#ifdef HAVE_REMOTE_LCD
+    lcd_remote_clear_display();
+    lcd_remote_puts(0, 0, "ROLO...");
+    lcd_remote_puts(0, 1, "Loading");
+    lcd_remote_update();
+#endif
+
+    audio_stop();
+
+#if defined(HAVE_BOOTDATA) && !defined(SIMULATOR)
+    /* write the bootdata as if rolo were the bootloader */
+    unsigned int crc = 0;
+    if (strcmp(filename, BOOTDIR "/" BOOTFILE) == 0)
+        crc = crc_32(boot_data.payload, boot_data.length, 0xffffffff);
+
+    if(crc > 0 && crc == boot_data.crc)
+        write_bootdata(filebuf, filebuf_size, boot_data.boot_volume); /* rb-loader.c */
+#endif
+
+#ifdef HAVE_STORAGE_FLUSH
+    lcd_puts(0, 1, "Flushing storage buffers");
+    lcd_update();
+    storage_flush();
+#endif
+
+    lcd_puts(0, 1, "Executing");
+    lcd_update();
+#ifdef HAVE_REMOTE_LCD
+    lcd_remote_puts(0, 1, "Executing");
+    lcd_remote_update();
+#endif
+
+    char buf[256];
+    snprintf(buf, sizeof(buf), "%s/%s", HOME_DIR, filename);
+    execl(buf, BOOTFILE, NULL);
+
+    rolo_error("Failed to launch!", strerror(errno));
+
+    /* never reached */
+    return 0;
+}