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atusb: Document that dfu-util needs to be run before device enters runtime mode 

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Kyle McMartin <kyle@kernel.org>
This commit is contained in:
Guido Günther 2016-12-15 21:12:48 +01:00 committed by Kyle McMartin
parent 6e99b1e046
commit 226835f5a5
1 changed files with 6 additions and 2 deletions
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atusb/ChangeLog
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@ -7,9 +7,13 @@ ChangeLog:
* Remove FCS frame check from firmware and leave it to the driver * Remove FCS frame check from firmware and leave it to the driver
* Use extended operation mode for TX for automatic ACK handling * Use extended operation mode for TX for automatic ACK handling
To flash the firmware you need dfu-util on the host: To flash the firmware you need dfu-util on the host. Issue
dfu-util -d 20b7:1540 -D atusb-0.3.dfu dfu-util -d 20b7:1540 -D atusb-0.3.dfu
right after plugging the device into the USB port while the red led is still
on.
For the Atmel Raven USB dongle a full JTAG setup is needed to flash the For the Atmel Raven USB dongle a full JTAG setup is needed to flash the
firmware as no DFU bootloader is available there. firmware as no DFU bootloader is available there.