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Im not sure why yet, but bit banding for efm32hg isnt working. I altered for outset and outclr
https://github.com/jacobrosenthal/efm32gg-hal/commit/42008ea48af7236dd8a5e66fd089927be217bb33
And tha…
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reverting commit 26ab78a710b4cb7abcace769768c4781332b17ba restores enumeration. I also tested on STM32F4 and that worked fine with or without that commit in place.
Host OS is Debian Stretch.
I'm…
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[Tomu](https://tomu.im/) is an open source, tiny little ARM microcontroller that fits inside your USB port.
The Tomu uses an SiLabs EFM32HG309 part. It looks like there is already quite a bit of su…
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This is bootloader setup
https://github.com/im-tomu/tomu-bootloader/blob/master/toboot/main.c
These things dont appear to get undone and need to be handled
// Enable LE and DMA interfaces…
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@shenki was doing something here....
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SVDs and Pacs
To be honest the stm32 attempt to unify all svds stuff using feature gates looks really complex to me https://github.com/stm32-rs/stm32-rs
This guy was attempting to unify efm32 crat…
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https://github.com/thomastsai/STM32F2xx_StdPeriph_Lib_V1.1.0/tree/master/Project/STM32F2xx_StdPeriph_Examples/USART/SmartCard
http://www.keil.com/smartcards/
https://github.com/OpenSC/OpenSC/wiki
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There seem to be two repositories that share some example code, this one and the repo at https://github.com/im-tomu/tomu-quickstart - IMHO it would be better to have only one repo for each sample code…
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Theres some good webusb support just merged
https://github.com/mvirkkunen/usbd-webusb-blinky/blob/master/src/main.rs
If it gets anyone inspired to work on usbd impl :)