ECdesigns PowerDAC-BX User Manual page 11

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Alternate firmware update
If you don't want to register and download STM32CubeProgrammer then you can also use the dfu-util
command-line utility to download new firmware into the PowerDAC-BX.
For this you will have to use the command-line to update firmware.
Download dfu-util here: http://dfu-util.sourceforge.net/releases/dfu-util-0.11-binaries.tar.xz
After unpacking open shell/command window and change directory to "dfu-util-0.11-binaries"
Depending on your operating system change directory to the directory containing the dfu-util executable for
your operating system.
Disconnect mains cable from the PowerDAC-BX !
Use tweezers to set jumpers to PROGRAM configuration (see Jumper settings on page 9).
Now connect a USB cable from the PowerDAC-BX to your computer.
Now copy the firmware file (see page 10) e.g. PDRS140.bin into the same directory containing the dfu-util
executable.
From this directory execute: dfu-util -a 0 --dfuse-address 0x08000000 -D PDRS140.bin
If this completes without errors (File downloaded successfully) your firmware should be updated.
set jumpers back to their original position.
Disconnect the USB cable from PowerDAC-BX and
Close the housing !
After power-up, the new firmware is used.
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