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Update readme regarding USB firmware programming

Petteri Aimonen 3 năm trước cách đây
mục cha
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1 tập tin đã thay đổi với 5 bổ sung1 xóa
  1. 5 1
      README.md

+ 5 - 1
README.md

@@ -59,7 +59,11 @@ When successful, the bootloader removes the update file and continues to main fi
 On failure, `Zuluerr.txt` is written on the SD card.
 
 Alternatively, the board can be programmed using USB connection in DFU mode by setting DIP switch 4.
-The necessary programmer utility for Windows can be downloaded from [GD32 website](http://www.gd32mcu.com/en/download?kw=dfu&lan=en). On Linux and MacOS, the standard 'dfu-util' can be used. It can be installed via your package manager under Linux. On MacOS, it is available through MacPorts and Brew as a package
+The necessary programmer utility for Windows can be downloaded from [GD32 website](http://www.gd32mcu.com/en/download?kw=dfu&lan=en). On Linux and MacOS, the standard 'dfu-util' can be used. It can be installed via your package manager under Linux. On MacOS, it is available through MacPorts and Brew as a package.
+
+    dfu-util --alt 0 --dfuse-address 0x08000000 --download ZuluSCSIv1_1_XXXXXX.bin
+
+For RP2040-based boards, the USB programming uses `.uf2` format file that can be copied to the USB drive that shows up in bootloader mode.
 
 DIP switches
 ------------