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Flashsize_F103: Options for BMP on STM32F103C8 devices

This commit is contained in:
Uwe Bonnes 2017-09-21 23:05:20 +02:00
parent 963df9febc
commit 203f6702d8
1 changed files with 24 additions and 10 deletions
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34
src/platforms/stlink/Flashsize_F103
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@ -24,16 +24,30 @@ Ignoring the chip marking and using an F103C8 blindly as a F103Cb is done
already with few problems on many china boards (e.g. blue pill). Probably already with few problems on many china boards (e.g. blue pill). Probably
this second approach will work for many of the older STLinks. this second approach will work for many of the older STLinks.
Use at your own risk! dfu-util cares for the size and refuses to programm above the announced size:
> dfu-util -S E4D078EA -s 0x08002000:leave -D blackmagic.bin
dfu-util 0.9
...
dfu-util: Last page at 0x0801093f is not writeable
With DFU upload available in the bootloader, you can verify by uploading the Flash above the announced size with recent bootloader/BMP:
binary from flash and comparing it against the binary downloaded. ==========================================================
- Download new BMP binary (if not already done) script/stm32_mem.py does not care for the announced size:
dfu-util -s 0x08002000:leave:force -D blackmagic.bin > ../scripts/stm32_mem.py blackmagic.bin
- Get length of binary ...
USB Device Firmware Upgrade - Host Utility -- version 1.2
...
Programming memory at 0x08010800
All operations complete!
Get length of binary
> ls -l blackmagic.bin > ls -l blackmagic.bin
-rwxr-xr-x 1 bon users 57372 15. Apr 14:17 blackmagic.bin -rwxr-xr-x 1 bon users 59712 21. Sep 22:47 blackmagic.bin
- Upload binary from flash Actual file size may differ!
> dfu-util -s 0x08002000:leave:force:57372 -U blackmagic.bin.1
- Compare Upload binary from flash with the exact size
> dfu-util -s 0x08002000:leave:force:59712 -U blackmagic.bin.1
Compare
> diff blackmagic.bin* > diff blackmagic.bin*
No differences should get reported!