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@ -20,34 +20,31 @@ This flash may have been tested bad, or not have been tested at all, |
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or, in the best case, was tested good but market requirements made STM sell |
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it as F103C8. |
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Ignoring the chip marking and using an F103C8 blindly as a F103Cb is done |
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already with few problems on many china boards (e.g. blue pill). Probably |
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this second approach will work for many of the older STLinks. |
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dfu-util cares for the size and refuses to programm above the announced size: |
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> dfu-util -S E4D078EA -s 0x08002000:leave -D blackmagic.bin |
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dfu-util 0.9 |
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... |
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dfu-util: Last page at 0x0801093f is not writeable |
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Ignoring the chip marking and using an F103C8 blindly as a F103CB is done |
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already with no known problems on many STM board and china boards (e.g. blue |
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pill) with genuine STM32. China stlinks clones with a GD32F103x8 will |
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probably not work. Best is to get new genuine ST hardware. The |
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STLINK-Vmini is < 10 $ without VAT or to resolder a genuine |
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STM32F103CB chip. Think also about using the pc-hosted pc-stlinkv2 |
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platform on stlinks with revent firmware. |
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Flash above the announced size with recent bootloader/BMP: |
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========================================================== |
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script/stm32_mem.py does not care for the announced size: |
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Use either the provided python tool, as script/stm32_mem.py |
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does not care for the announced size and verifies: |
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> ../scripts/stm32_mem.py blackmagic.bin |
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... |
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USB Device Firmware Upgrade - Host Utility -- version 1.2 |
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... |
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Programming memory at 0x08010800 |
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All operations complete! |
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Get length of binary |
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> ls -l blackmagic.bin |
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-rwxr-xr-x 1 bon users 59712 21. Sep 22:47 blackmagic.bin |
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Actual file size may differ! |
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Upload binary from flash with the exact size |
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> dfu-util -s 0x08002000:leave:force:59712 -U blackmagic.bin.1 |
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Compare |
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> diff blackmagic.bin* |
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No differences should get reported! |
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or compile and use the upgrade executable. |
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> cd upgrade |
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> make (PROBE_HOST=...) |
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> ./blackmagic_upgrade |
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To long to read |
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=============== |
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Use the BMP provided upgrade tools: |
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- scripts/stm32_mem.py |
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- Compiled upgrade tool in upgrade |
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Only if mismatch is reported, think further. |
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Uwe Bonnes
5 years ago