![]() ![]() Global variables use 3088 bytes (15%) of dynamic memory, leaving 17392 bytes for local variables. Is there any way at all to write code to the board? Why is this so damn difficult? Sketch uses 13716 bytes (20%) of program storage space. There is no value to select in the Arduino IDE for ports, and the IDE says STLINK not found. So now I just want to upload with STLINK, but I can't do that either. Am I just doomed to have to use the ST-Link to do code uploads? I might add that I have spent around 6-8 hours trying to figure this out on my own, so I have searched pretty much everything on Google and read anything I thought might be pertinent, so advice would be much appreciated. When I attempt to re-install the drivers, Windows tells me the 'best driver for your device is already installed' and 'Windows has determined the driver software for your device is up to date'.Ĭan anyone tell me what is going on. However I get the attached (screenshot) error when attempting to upload from the Arduino IDE. Under ports in device manager I get 'USB Serial Device (COM7)' with no error. Under ports in device manager I get 'USB Serial Device (COM7)' with an error 'This device cannot start. Under USB Controllers I get 'Unknown USB Device (Device Descriptor Request Failed). Below are three things that happen seemingly randomly when I connecting to USB. ![]() Now I get extremely strange inconsistencies when connecting the board to my Windows 10 圆4 Intel PC. ![]() I had no luck flashing the USB bootloader with a cheap USB to TTL but I was able to connect with an ST-Link and successfully flashed the generic_boot20_pc13.bin file. Anyway I thought I would purchase a couple maple mini boards from eBay. Reconnecting the device at any point, Betaflight asked that the board be reflashed.Īttempts to reinstall en.stsw-stm32102.zip / CP210x_Windows_Drivers.zip and use Zadig have had no effect.I am completely new to Arduino, although I have some experience flashing STM32 chips (I was able to fix an F4 flight controller and a Matek Sys video transmitter with burned out STM32 chips). Past this point Betaflight will not allow me to connect to the virtual device and says “Failed to open serial port”. Load in and install the firmware to the F3FC from Betaflight(v3.2.1) “triflight_0.7_Beta2_RCEXPLORERF3.hex” after which the Bootloader drops off and becomes the “STM32 Virtual Com Port”. Insert the USB cable to the F3FC board (boot button held), the “STM32 Bootloader” shows in the device manager and lights are shown on F3FC board. ![]() Tried reinstalling all drivers but yet dice… Not sure what I can do as this issue persists on both computers. However recently even this is failing to connect. Be aware that I was able to get it to work once on my wife’s laptop. Zadig driver loaded and still after the F3FC firmware update, I’m unable to load into the Betaflight configuration screen. Connecting to the tricopter via Betaflight is a constant issue. ![]()
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