forked from M-Labs/kirdy
Add instructions to erase flash settings with DFU
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@ -65,7 +65,7 @@ On a Windows machine install [st.com](https://st.com) DfuSe USB device firmware
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- cycle power to leave DFU update mode
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### Erasing Flash Settings
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The flash settings are stored in the last flash sector(ID: 11) of bank 0 of stm32f405. With JTAG/SWD adapter connected, you can erase the flash settings without erasing the firmware with the following commands. You may find it useful if you have set the wrong IP settings.
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The flash settings are stored in the last flash sector(ID: 11) of bank 0 of stm32f405. You can erase it with JTAG/SWD adapter or by putting the device in Dfu mode. You may find it useful if you have set network settings incorrectly.
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With JTAG/SWD adapter connected, issue the following command:
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@ -73,6 +73,12 @@ With JTAG/SWD adapter connected, issue the following command:
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openocd -f interface/stlink.cfg -f target/stm32f4x.cfg -c "flash init; init; halt; flash erase_sector 0 11 last; reset; exit"
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```
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With STM32 in DFU Mode, connect the USB Type C cable and then issue the following command:
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```
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dfu-util -a 0 -s 0x080E0000:leave -D erase_flash_settings.bin
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```
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### OpenOCD
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```shell
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openocd -f interface/stlink.cfg -f target/stm32f4x.cfg -c "program target/thumbv7em-none-eabihf/debug/kirdy verify reset; exit"
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