rockbox/docs
Ingmar Steen 7327d9fb6c Implement set block count (CMD23) for x1000 target.
I have a 1TB SD card that gets filesystem corruption when writing large
amounts of data when using Rockbox in USB storage mode. The card doesn't show
this behaviour when using the original firmware or when using an external SD
card writer.

This is on an Aigo Eros Q device. Same brand 512GB card does not exhibit this
behaviour.

Whether this specific SD card explicitly requires CMD23 or if there's a
problem with the controller's timing of auto-CMD12 in combination with this
card is currently unknown, but implementing it does solve the problem.

This change request implements CMD23 by first probing if SBC is supported by
the SD card and then using it instead of AUTO_CMD12.

Change-Id: Ib2dc8e179b0fab98ca59c348061cb7d5850884dd
2026-02-10 07:43:47 -05:00
..
logo
CHARGING_ALGORITHM
COMMITTERS docs: add myself to CREDITS and COMMITTERS 2026-01-03 13:30:08 -05:00
CONTRIBUTING docs: Delete some _very_ obsolete documentation 2025-04-20 16:53:57 -04:00
COPYING
COPYING-MANUAL
CREDITS Implement set block count (CMD23) for x1000 target. 2026-02-10 07:43:47 -05:00
gpl-2.0.html
HISTORY
LICENSES Add helpers for converting to/from normalized (perceptual) volume 2023-01-22 15:43:00 -05:00
MAINTAINERS docs: update MAINTAINERS 2025-11-08 08:28:45 -05:00
NODO
PLUGIN_API plugins: drop audio_hard_stop() from plugin API 2026-02-02 16:27:25 -05:00
profontdoc.txt
README docs: we use xz, not bz2, for tarballs 2024-10-13 09:33:00 -04:00
sample.colours
sample.icons
UISIMULATOR docs: Delete some _very_ obsolete documentation 2025-04-20 16:53:57 -04:00
usb-api.md usb: introduce new control request API 2021-10-16 15:58:43 -04:00

               __________               __   ___.
     Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
     Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
     Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
     Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
                       \/            \/     \/    \/            \/

Build Your Own Rockbox

1. Clone 'rockbox' from git (or extract a downloaded archive).

   $ git clone git://git.rockbox.org/rockbox

     or

   $ tar xJf rockbox.tar.xz

2. Create a build directory, preferably in the same directory as the firmware/
   and apps/ directories. This is where all generated files will be written.

   $ cd rockbox
   $ mkdir build
   $ cd build

3. Make sure you have mips/m68k/arm-elf-gcc and siblings in the PATH. Make sure
   that you have 'perl' in your PATH too. Your gcc cross compiler needs to be
   a particular version depending on what player you are compiling for. These
   can be generated using the rockboxdev.sh script in the /tools/ folder of the
   source.

   $ which arm-elf-eabi-gcc
   $ which perl

4. In your build directory, run the 'tools/configure' script and enter what
   target you want to build for and if you want a debug version or not (and a
   few more questions). It'll prompt you. The debug version is for making a
   gdb version out of it. It is only useful if you run gdb towards your target
   Archos.

   $ ../tools/configure

5. *ploink*. Now you have got a Makefile generated for you.

6. Run 'make' and soon the necessary pieces from the firmware and the apps
   directories have been compiled, linked and scrambled for you.

   $ make
   $ make zip

7. unzip the rockbox.zip on your music player, reboot it and
   *smile*.

If you want to build for more than one target, just create several build
directories and create a setup for each target:

   $ mkdir build-fuzeplus
   $ cd build-fuzeplus
   $ ../tools/configure

   $ mkdir build-xduoox3
   $ cd build-xduoox3
   $ ../tools/configure

Questions anyone? Ask on the mailing list or on IRC. We'll be happy to help you!