Hi Everyone,
I'm using nrfutil in an arm cortex a8 running Debian 9 with kernel 4.14.49. The processor is connected to a NRF52 dongle through USB. I'm trying to flash (using DFU) a new application to a remote NRF52 chip through BLE. I can successfully send the application firmware one time, but if I try to repeat the operation I get an error. To get rid of the error I need to disconnect and re-connect the USB (NRF52 Dongle), then I can send one new application successfully, and after that the error repeats itself.
The software versions:
nrfutils was installed from pip and its version 3.5.1
pc-ble-driver-py was compiled from source and its version 0.11.3
The firmware running in the NRF52 usb dongle is the connectivity firmware example from the SDK 15.0 for softdevice 132, (named ser_s132v3_usb_hci).
The error output that I get (for the second attempt to send th DFU over BLE) is:
user@system:~$ nrfutil -v -v dfu ble -ic NRF52 -pkg ~/nrfutils/bt_data_logger_mr_pickle.zip -p /dev/ttyACM0 -n "Pickle 15791"
2018-09-20 11:43:57,826 Shared library: /usr/local/lib/python2.7/dist-packages/pc_ble_driver_py-0.11.3-py2.7.egg/pc_ble_driver_py/lib/linux/x86_32/libpc_ble_driver_shared_sd_api_v3.so
2018-09-20 11:43:57,830 Swig module name: pc_ble_driver_sd_api_v3
2018-09-20 11:43:58,279 Using connectivity board at serial port: /dev/ttyACM0
2018-09-20 11:43:58,319 Sending Application image.
Traceback (most recent call last):
File "/usr/local/bin/nrfutil", line 11, in <module>
sys.exit(cli())
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 722, in __call__
return self.main(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 697, in main
rv = self.invoke(ctx)
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 1066, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 1066, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 895, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 535, in invoke
return callback(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/nordicsemi/__main__.py", line 840, in ble
dfu.dfu_send_images()
File "/usr/local/lib/python2.7/dist-packages/nordicsemi/dfu/dfu.py", line 141, in dfu_send_images
self._dfu_send_image(self.manifest.application)
File "/usr/local/lib/python2.7/dist-packages/nordicsemi/dfu/dfu.py", line 97, in _dfu_send_image
self.dfu_transport.open()
File "/usr/local/lib/python2.7/dist-packages/nordicsemi/dfu/dfu_transport_ble.py", line 450, in open
self.dfu_adapter.open()
File "/usr/local/lib/python2.7/dist-packages/nordicsemi/dfu/dfu_transport_ble.py", line 106, in open
self.adapter.driver.open()
File "/usr/local/lib/python2.7/dist-packages/pc_ble_driver_py-0.11.3-py2.7.egg/pc_ble_driver_py/ble_driver.py", line 127, in wrapper
raise NordicSemiException('Failed to {}. Error code: {}'.format(wrapped.__name__, err_code))
pc_ble_driver_py.exceptions.NordicSemiException: Failed to open. Error code: 13
Any idea of where this error might come from? I tried to reset the NRF52 dongle, but it does not solve the problem. Any help would be very appreciated.
