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If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name. If you are looking for an update, pickup the latest one. With the different devices, they can have the same driver, it's because they all use the same chip manufacturer. */ /* USER CODE END Header */ /* Includes -*/ #include "usbd_dfu_if.Below is a list of drivers that may be suitable for your device. * : Usb device for Download Firmware Update. The next file you need to modify is usbd_dfu_if.c (here just copy-paste it, it 100% correct): The end address is alwaysįLASH_BANK1_END or FLASH_BANK2_END depending on your processor. Probably he has identified a new installation or even a driver update, so he has notified succession as well. The start address is always USBD_DFU_APP_DEFAULT_ADD. This is a standard notification when installing Windows drivers. Note: some of the articles define here start and the end address of processor flash as a separate variable. * Private includes -*/ /* USER CODE BEGIN Includes */ /* USER CODE END Includes */ /* Private typedef -*/ /* USER CODE BEGIN PTD */ /* USER CODE END PTD */ /* Private define -*/ /* USER CODE BEGIN PD */ /* USER CODE END PD */ /* Private macro -*/ /* USER CODE BEGIN PM */ /* USER CODE END PM */ /* Private variables -*/ /* USER CODE BEGIN PV */ /* USER CODE END PV */ /* Private function prototypes -*/ void SystemClock_Config ( void ) /* USER CODE BEGIN PFP */ /* USER CODE END PFP */ /* Private user code -*/ /* USER CODE BEGIN 0 */ typedef void ( * pFunction )( void ) pFunction JumpToApplication uint32_t JumpAddress /* USER CODE END 0 */ /** */ /* USER CODE END Header */ /* Includes -*/ #include "main.h" * SLA0044, the "License" You may not use this file except in compliance with * This software component is licensed by ST under Ultimate Liberty license * © Copyright (c) 2020 STMicroelectronics. Main.c (of course, you need only the main() function from here, otherwise you may have problems with clock config that might be different from mine): You can configure any other way in the main() function to have such a condition, but I will use BOOT1 simply because I have a jumper on my board.Ĭool! Now we can generate the project and open it in some IDE. In fact, it’s not required - it’s just for one condition that allows to understand if we boot into the bootloader or main firmware. Note that this particular address will work only with the flash layout above.Īlso, locate your BOOT1 pin in the datasheet and init it as input. Set Parameter Settings | USBD_DFU_APP_DEFAULT_ADD to 0x08008000.
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It works, but there is no reason for giving the simple bootloader such a lot of space, so we use another layout that works only with USBD_DFU_APP_DEFAULT_ADD set to 0x08008000. By default, STM32Cube generates the flash layout that requires 0x0800C000 value for USBD_DFU_APP_DEFAULT_ADD (and so the start address for your firmware). Double check this parameter - it defines the flash layout. Such settings should work without any problems. If it does not in your case, simply set it to 1024. You should not be concerned about this notification. This is a standard notification when installing Windows drivers. That’s the maximum speed of transfer and it works. I understand that you have a question about the Windows notification. The easiest way to do that is to download Zadig. One solution is to replace the ST driver with a libusb driver. A driver should be automatically installed by Windows for the ST Device in DFU Mode but this doesnt always allow access. Set Parameter Settings | USBD_DFU_XFER_SIZE to 32768. The Configurator can have problems accessing USB devices on Windows.Set Class for FS IP to Download Firmware Update Class (DFU).Set SYS | Debug to Serial Wire (of course if you’re debugging using SWD):Įnable Connectivity | USB | Device (FS). Set RCC | High Speed Clock (HSE) to Crystal/Ceramic Resonator: I use STM32F103RCT6, you can use any other processor. Start the blank project with CubeMX for your processor. Let’s just assume you’re using the STM32Cube for that. Of course, you can use STM32CubeStudio and the process will be more or less the same, but for the moment. Most probably you don’t want to add the bootloader directly into your firmware. That’s why I’ve decided to cover various aspects here. The problem is that most of them do not work. You may think that creating a DFU bootloader is a simple process - there are many various articles about it.