def list_dfu(args):
usbdev = usb.core.find(idVendor=args.vid, idProduct=args.pid)
if usbdev is None:
raise ValueError('No STM32 DfuSe device found.')
dfu = dfuse.DfuDevice(usbdev)
for name, alt in dfu.alternates():
print ("Device: [%.4x:%.4x] Cfg: %d Intf: %d Alt: %d '%s'" % ( \
alt.device.idVendor, \
alt.device.idProduct, \
alt.configuration, \
alt.bInterfaceNumber, \
alt.bAlternateSetting, \
name))
def find_device(args):
usbdev = usb.core.find(idVendor=args.vid, idProduct=args.pid)
if usbdev is not None:
dfu = dfuse.DfuDevice(usbdev, args.timeout)
for _, alt in dfu.alternates():
if alt.configuration == args.cfg and alt.bInterfaceNumber == args.intf and alt.bAlternateSetting == args.alt:
dfu.set_alternate(alt)
status = dfu.get_status()
if status[1] == dfuse.DfuState.DFU_ERROR:
print("Error cleared: %r" % (status, ))
dfu.clear_status() # Clear left-over errors
return dfu
raise ValueError(
'No DfuSe compatible device found, check device information options (see --help)'
)
def find_device(self):
"""
:Try to find the DFU device and return it"""
usbdev = usb.core.find(idVendor=self.VID, idProduct=self.PID)
if usbdev is not None:
dfuDev = dfuse.DfuDevice(usbdev)
for _, alt in dfuDev.alternates():
if alt.configuration == self.CFG and \
alt.bInterfaceNumber == self.INTF and \
alt.bAlternateSetting == self.ALT:
dfuDev.set_alternate(alt)
status = dfuDev.get_status()
if status[1] == dfuse.DfuState.DFU_ERROR:
dfuDev.clear_status() # Clear left-over errors
return dfuDev
raise ValueError('No DfuSe compatible device found')
# Poll libUSB until a device in DFU mode is found
while not app_cancellation_token.is_set():
params = {} if serial_number == None else {
'serial_number': serial_number
}
stm_device = usb.core.find(idVendor=0x0483, idProduct=0xdf11, **params)
if stm_device != None:
break
time.sleep(1)
find_odrive_cancellation_token.set() # we don't need this thread anymore
if app_cancellation_token.is_set():
sys.exit(1)
print("Found device {} in DFU mode".format(stm_device.serial_number))
dfudev = dfuse.DfuDevice(stm_device)
# fill sectors with data
sectors = list(load_sectors(dfudev, hexfile))
print("Sectors to be flashed: ")
for sector in sectors:
print(" {:08X} to {:08X}".format(
sector['addr'], sector['addr'] + len(sector['data']) - 1))
# flash!
erase(dfudev, sectors)
flash(dfudev, sectors)
#verify(dfudev, sectors)
# If the flash operation failed for some reason, your device is bricked now.
# You can unbrick it as long as the device remains powered on.