User manual

Wunderbar v2 23-10-17

Output should be similar (dfu-util version and serial number might

diﬀer) to this:

dfu-util 0.9

This program is Free Software and has ABSOLUTELY NO WARRANTY

Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

Found DFU: [15a2:1000] ver=0000, devnum=22, cfg=1, intf=0,

path="20-2.1.4.4", alt=0, name="UNKNOWN",

serial="ffffffff4e45299790180014"

6. Now, upgrade Wunderbar with Bluetooth upgrader:

$ dfu-util -d 15a2:1000 -a 0 -D /firmware/path/wunderbar_ble_updater.bin

Successful execution should produce following output:

dfu-util 0.9

This program is Free Software and has ABSOLUTELY NO WARRANTY

Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

dfu-util: Invalid DFU suffix signature

dfu-util: A valid DFU suffix will be required in a future dfu-util release!!!

Deducing device DFU version from functional descriptor length

Opening DFU capable USB device...

ID 15a2:1000

Run-time device DFU version 0110

Claiming USB DFU Interface...

Setting Alternate Setting #0 ...

Determining device status: state = dfuIDLE, status = 0

dfuIDLE, continuing

DFU mode device DFU version 0110

Device returned transfer size 4096

Copying data from PC to DFU device

Download [=========================] 100% 135164 bytes

Download done.

state(2) = dfuIDLE, status(0) = No error condition is present

Done!

7. Restart Wunderbar with Reset button once the upgrade is complete

8. A new removable drive, named WUNDERBAR, should appear on your

computer after a few seconds. There will be two ﬁles on this drive:

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