Open the PYBFLASH device with Windows Explorer. Let’s look at the files generated by the MicroPython system with the Windows explorer: You can now communicate with the MicroPython software via the USB link. If you see this message, the operation is done Press the Reset button (SW4) above the USB_USER socket on the development kit.ĭon’t pay attention to the message: drive problem Now you need to move the jumper from connector CN7, PIN 5-7 to SWDIO: When the window is closed, programming is complete Use the “flash_dfu-util” software by double-clicking on it.Ī command prompt windows opens (it may be too fast to see it), please wait for programming to finish: This step could potentially be performed by the student, in the event that the MicroPython firmware needs to be updated. We will use the ** dfu-util ** software for this. It is now mandatory to program the card with the MicroPython firmware. Programming the board’s MicroPython firmware (dfu-util) We are now using USB communication with the NUCLEO-WB55 board under Windows.Įxit to Zadig software. Then start the driver installation by clicking on “Replace Driver”. Select “libusbK (v3.0.7.0)” using the arrows: If it doesn’t appear in the drop-down list, change the USB cable (some cables don’t work). Select “USB DFU in FS mode” from the drop-down list. Go to “Options” then click on “List All Devices”. Installation of the free USB driver (Zadig)Īllow the application to make changes by clicking the “Yes” button. The first step is to install the free USB drivers to communicate with the STM32WB55 board. This file must be present on each workstation.Ĭonnect the NUCLEO-WB55 board to your computer with the USB cable. Board programmingĭownload the “TP Python” folder on the Windows Desktop, available on the drive: TP_Python.zip We will be able to update the firmware by USB. These modifications allow the STM32WB55 to be configured in bootloader mode. Here is how the kit should be configured: Connect a micro USB_USER cable to the port below SW4.Move the SWDIO jumper and place it on pins 5 and 7 of the ARDUINO CN7 connector.It seems, for some, it's not a problem (with many different types of Nucleo boards), for others, it's a repeating trouble with the very same set of boards.These steps are to be carried out by the teacher with administrator rights under Windows 10 and this for each NUCLEO WB55 board used in the practical work. This strange behaviour seems to be very common among developers, meanwhile, very poorly documented. I found TeraTerm stopped working almost from one apload to the next one. No way to upload the software.įurhtermore. Since about 2 hours, every tries ends up in a complete fail. In 9 out of 10 tries are recejted by this error, and only the second attempts seems to be working. The main problem seems to be originated to the 0x800703ee error, when I'm going to upload the. Since about the last 4 hours, the system is down, I can not upload any working code, can't debug, etc. Nucleo under Windows 10Īfter an almos successful day using my new Windows 10 desktop and my good-old Nucleo 401, I have started experiencing some strange behaviour. To start a new conversationĤ years, 4 months ago. Important changes to forums and questionsĪll forums and questions are now archived.
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