STM32 MCUs Embedded software

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Need to get an inaccessible STML041 into the embedded bootloader via UART, driven from an STM32L051xx. Need a documentation that describes: 1) getting from my app into bootloader mode via UART, 2) use BL to re-flash the L041 with data from L051.

I'm a newbie to STM products. Lots of experience with other vendors, and am used to seeing example solutions that go from point A to point B. STM seems to provide tool descriptions (and I understand why given the combinations of tools, versions, pr...

MStev.4 by Associate II
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OTG USB differences between CPUs

Looking at stm32 USB library for USB device (not host)( particularly for 32F769) I noticed in source code, different approaches between core ID 300A and core ID 310A. However I found no documentation that explains that versions. Does someone know wha...

ZDjok.1 by Associate II
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How to Test for Brownout?

I have a USB HID product based on the STM32F205. We've built thousands of them. However, recent builds have shown about a 5% failure rate where the device fails to enumerate (some of this 5% might fail 50% of the time when power cycling, some 90%+). ...

jvavra by Associate III
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Resolved! Hardware IPv4 checksum on an STM32F407 is not working, though all the proper settings are set. (Works on rare occasions, oddly)

I'm debugging a legacy application on an STM32F407 that uses the std peripheral libraries and LwIP 1.4.1, and except on rare occasions, hardware IPv4 checksums don't work; they all get sent out as zeroes. When I disable hardware checksums in lwipopts...

SHers by Associate III
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  • 5 replies
  • 2 kudos
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