You are here: Forum Home → ANT Developers Forums → ANT Hardware Products → Thread
Sketch uses 23200 bytes (7%) of program storage space. Maximum is 290816 bytes.
Global variables use 3252 bytes (6%) of dynamic memory, leaving 48972 bytes for local variables. Maximum is 52224 bytes.
Upgrading target on COM7 with DFU package C:\Users\drewv\AppData\Local\Temp\arduino_build_305601\Blink.ino.zip. Flow control is disabled, Single bank, Touch disabled
Timed out waiting for acknowledgement from device.
Failed to upgrade target. Error is: No data received on serial port. Not able to proceed.
Traceback (most recent call last):
File "nordicsemi\__main__.py", line 294, in serial
File "nordicsemi\dfu\dfu.py", line 235, in dfu_send_images
File "nordicsemi\dfu\dfu.py", line 203, in _dfu_send_image
File "nordicsemi\dfu\dfu_transport_serial.py", line 155, in send_init_packet
File "nordicsemi\dfu\dfu_transport_serial.py", line 243, in send_packet
File "nordicsemi\dfu\dfu_transport_serial.py", line 282, in get_ack_nr
nordicsemi.exceptions.NordicSemiException: No data received on serial port. Not able to proceed.
Possible causes:
- Selected Bootloader version does not match the one on Bluefruit device.
Please upgrade the Bootloader or select correct version in Tools->Bootloader.
- Baud rate must be 115200, Flow control must be off.
- Target is not in DFU mode. Ground DFU pin and RESET and release both to enter DFU mode.