make[1]: Leaving directory `/home/user/paparazzi/sw/airborne'
cd sw/airborne; make TARGET=ap upload
Using "arch/stm32/apogee.ld" as ldscript for target "ap".
make[1]: Entering directory `/home/user/paparazzi/sw/airborne'
Using dfu-util at 0x08000000
No valid DFU suffix signature
Warning: File has no DFU suffix
dfu-util 0.5
(C) 2005-2008 by Weston Schmidt, Harald Welte and OpenMoko Inc.
(C) 2010-2011 Tormod Volden (DfuSe support)
This program is Free Software and has ABSOLUTELY NO WARRANTY
dfu-util does currently only support DFU version 1.0
Filter on vendor = 0x0483 product = 0xdf11
Opening DFU USB device... ID 0483:df11
Run-time device DFU version 011a
Found DFU: [0483:df11] devnum=0, cfg=1, intf=0, alt=0, name="@Internal Flash /0x08000000/04*016Kg,01*064Kg,07*128Kg"
Claiming USB DFU Interface...
Setting Alternate Setting #0 ...
Determining device status: state = dfuERROR, status = 10
dfuERROR, clearing status
Determining device status: state = dfuIDLE, status = 0
dfuIDLE, continuing
DFU mode device DFU version 011a
Device returned transfer size 2048
DfuSe interface name: "Internal Flash "
make[1]: Leaving directory `/home/user/paparazzi/sw/airborne'
make: Leaving directory `/home/user/paparazzi'
DONE 'make -C /home/user/paparazzi -f Makefile.ac AIRCRAFT=F4DISCOVERY ap.upload'
discovery