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MButsch
Associate III
since ‎2020-03-06
‎2024-03-13

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  • 33 Posts
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AN3156 and how the MCU bootloader version is reported

2023-09-29
Hello,In appnote AN3156 (Rev 14) [USB DFU protocol used in the STM32 bootloader] it saysThe bootloader version is returned in the device descriptor in the MSB of the bcd devicefield (example: 0x2000 = version 2.0).In appnote AN2606 (Rev 59) [STM32 mi...

STM32G491VET6 not "leaving" dfu-util

2023-09-26
Hello,I am using dfu-util (v0.11) to update the firmware on my board.It updates correctly, but I get a LIBUSB_ERROR_PIPE error during the "leave".Looking at it with a USB analyzer, a stall is occurring during the GET_STATUS that executes the leave re...

Different USB iProduct descriptors for DFU in different processors

2023-09-26
Hello,We use a couple of different STM32's in our products and update them over USB via built-in the DFU bootloader.I noticed that:for a STM32G491, the iProduct descriptor reports "DFU in FS Mode"for a STM32F302, the iProduct descriptor reports "STM3...

STM32CubeProgrammer and STM32G491VET6

2023-09-25
Hello,I am using the STM32CubeProgrammer with my board in DFU mode (over USB).It programs fine, but my application does not run after programming even though I checking the "Run after programming" option. and by programs fine, I mean if I power fail ...

After a breakpoint, how to see where threads are at in the source code

2021-11-01
After a breakpoint, I would like to look at my other threads and see where (line of code / function) they are either running or suspended at.All i see in the call history is __get_ispr_value(), which may be true but is not helpful.Thanks,Mark
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