Downrush is a simple FlashAir file manager for SynthStrom Deluge music synthesizer. You can use it to download and upload files without removing the card from the synth. This first version is very simple. Expect improvements.

1. Make a backup copy of your Deluge SD card! You will need to use that backup later to populate the FlashAir card.
2. Get a Toshiba FlashAir card. Make sure it is a W-03 or W-04 (this code appears on the SD card label just below the FlashAir title on the right). W-04 cards are faster and are worth seeking out.
3. Download the Downrush distribution. A "distribution" is a .zip file you can find on the https://github.com/jamiefaye/downrush/releases page. You will probably want to use the most recent release (at the top of the page).
4. There should be a list of "Assets" after the release description. You may have to click on the "Assets" wedgie to see it.
5. Download the file named"downrush.zip". You can ignore the other two files.
6. Unzip the 'downrush.zip' file creating a distribution folder. It will be called 'distribution'. I will refer to this place as the distribution directory.
7. Insert the FlashAir card into a computer. You will be changing the contents of a hidden directory, so you may have to set an option that lets you view hidden files in order to find it.

If you are using Windows, the following link gives instructions on making hidden files visible.

https://www.howtogeek.com/howto/windows-vista/show-hidden-files-and-folders-in-windows-vista/

On the Apple Mac, you can enter the following command on the command line and it will unhide the directory and file involved. You will want to activate a 'Terminal Window', which you can find by typing 'terminal.app' into Spotlight. Then paste the following line into the terminal to execute.

chflags -R nohidden /VOLUMES/NO\ NAME/SD_WLAN

1. Click on the NO NAME icon to open it so you can see what is inside. This window is the 'destination window' (or root directory).

2. Drag the DR folder from the distribution directory and drop it onto destination window.

3. Drag the SD_WLAN folder from the distribution directory and drop it onto destination window.

4. You will likely see a warning about overwriting the SD_WLAN directory on the SD Card. Approve doing this.

5. There is no need to copy LICENSE, MANUAL, or README files.

6. Copy the four directories from your backup copy of the Deluge SD card into the root directory of your FlashAir card. The directory names to copy should be KITS, SAMPLES, SONGS, and SYNTHS.

7. Safely eject the FlashAir card from your computer and put it into the Deluge and power the Deluge up.

8. Connect to the card in your browser (Chrome recommended) This can present its own set of headaches.

9. Wait 30 seconds for the card to boot up inside your Deluge. (It is slower the first time).

10. Your SD card will advertise itself as a WiFi Access Point (AP). The name will look like this: flashair_ec21e5e2939f. (The code after the underscore will be different). Connect to it.

11. When asked for a password, use 12345678.

12. Type the following URL into the browser: http://flashair/ or http://192.168.0.1/

13. If you have problems connecting to the FlashAir in the Deluge, you might try connecting to it while it is inserted into your computer. The file browser works in there too.

Once everything works OK, you might want to re-hide your files. On the Mac, you can do this with the following:

chflags -R hidden /VOLUMES/NO\ NAME/SD_WLAN

To re-hide on Windows, just uncheck the box you checked earlier.

If you are updating an existing Downrush installation, put the new List.htm into card's SD_WLAN and completely replace the contents of DR with the new version. Unless told-to, you don't need to update the stuff in SD_WLAN.

The FlashAir card comes with a timeout feature which shuts down the WiFi AP functionality after 5 minutes of inactivity. If you want to disable this feature, set the timeout value to 0. Change the CONFIG line: APPAUTOTIME=300000 to instead be: APPAUTOTIME=0

If you are updating downrush from a previous version and things seem strange, you may have to clear the browsers cache. The time stamps on SD Card directory entries are not always valid and this can cause stale files to linger unwanted in the cache.

Don't try and install Downrush by cloning the git depository and copying files over from that. You must use a downrush.zip file from over at https://github.com/jamiefaye/downrush/releases.

If you build Downrush from source, or want to change the configuration yourself, you can.

Note that whatever editor you use to modify the CONFIG file has to write the file back out using Windows-style line-endings. Some editors notice what the line-endings are and preserve them, others do not. Deluge users have wasted an enormous amount of time flailing away with their CONFIG files until this limitation was discovered.

It is possible to configure the FlashAir card to act like any other device on your home network.

Be aware that the WiFi range is only a few meters. It is relatively easy to make a mistake editing CONFIG that breaks the WiFi functionality. You need to know how to use a text editing program that works with raw text.

First you need to unhide the SD_WLAN directory and the SD_WLAN/CONFIG file as described above.

You can open the CONFIG file using an editor program. On Windows, use NotePad.

Make sure that these three lines are present in the file, these enable the uploading features and avoid timeouts:

UPLOAD=1
WEBDAV=2
APPAUTOTIME=0

If you want to change your WiFi password, you can do that by replacing asterisks in the line:

APPNETWORKKEY=********

with:

APPNETWORKKEY=NEWPASSW

More information on the contents of the CONFIG file: https://flashair-developers.com/en/documents/api/config/

If you really in trouble, you can find a tool for reinitializing a FlashAir card here:

http://www.toshiba-personalstorage.net/ww/support/download/flashair/w04/config02.htm

Here are the full contents of the CONFIG file as recommended:

[Vendor]

CIPATH=/DCIM/100__TSB/FA000001.JPG
APPMODE=4
APPNETWORKKEY=********
VERSION=F15DBW3BW4.00.00
CID=02544d535731364754d0f21e7a011601
PRODUCT=FlashAir
VENDOR=TOSHIBA
UPLOAD=1
WEBDAV=2
APPAUTOTIME=0
LOCK=1

Downrush is based on a project by Junichi Kitano called the FlashTools Lua Editor (FTLE). See https://sites.google.com/site/gpsnmeajp/tools/flashair_tiny_lua_editer