![]() Windows software can access such devices via WinUSB API (the Windows analog of libusb). vendor-defined) and use in-box WinUSB driver for it. ![]() Also, less flags need to be activated now in the build_flags. So the question is, what is the USB class that your STM32 software implements Windows 10 has also a special way to designate a device as custom (a.k.a. This is what the monitor_dtr = 1 instruction above is for. GitHub you will only get data if the DTR line is enabled.Also: Using the dev-platform is not required anymore, you can write platform = ststm32 instead.ĮDIT March 2021: Per Serial USB without DTR optional: set COM port to monitor here if there are multipleĮDIT October 2020: Added USBD_PID. ![]() data will be received on the serial USB port Activating PIO_FRAMEWORK_ARDUINO_USB_HIGHSPEED will cause it to try HS which it doesn’t have, and PIO_FRAMEWORK_ARDUINO_USB_HIGHSPEED_FULLMODE will cause it to put its HS peripheral into FS mode, which it doesn’t even have in the first place, so both macros must be omitted.Ĭan you test on your bluepill if this works? Baud rate for the CDC should be 115200. Step 2: Click on the Scan button to detect outdated and missing drivers. Regarding high-speed (HS) mode: The bluepill only supports the lesser Full-Speeed (FS) standard. Let’s have a quick look at them: Step 1: Download and install Bit Driver Updater for free using the given link below. In the Browse window, specify the path of the folder that you have unzipped, for example, C:en.stsw-link009. Select the option Browse my computer for driver software. It’s missnig needed flags like USBD_VID, USB_MANUFACTURER, USB_PRODUCT, USBCON and HAL_PCD_MODULE_ENABLED. Right-click Device Manager > Other Devices > ST-Link Debug and then click Update Driver Software. PlatformIO’s build script for activating USB serial support seems really broken right now.
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