Optimisation and clock speed menu - enhancements

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edogaldo
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Re: Optimisation and clock speed menu - enhancements

Post by edogaldo » Thu Oct 12, 2017 10:04 am

RogerClark wrote:
Mon Jul 31, 2017 3:11 am
BTW. I've updated the repo so there is a much bigger warning in upper case which reads

Overclocked 128Mhz NO USB SERIAL. MANUAL RESET NEEDED TO UPLOAD
Hi Roger, if you are adding unsupported options (i.e. 128MHz overclock) then I'd suggest also "HSI@48MHz with USB", not officially supported but seems working and could be useful for people having issues with HSE..
Here a sample on how to implement it: http://stm32duino.com/viewtopic.php?f=58&t=2676

Best, E.

[edit]This mode could be even more useful in the Maple bootloader.

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RogerClark
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Re: Optimisation and clock speed menu - enhancements

Post by RogerClark » Thu Oct 12, 2017 8:29 pm

Thanks.

Can you explain when this would be used ?

Is it for people who want to build their own board without the High Speed External crystal ( normally 8 Mhz) ?

edogaldo
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Joined: Fri Jun 03, 2016 8:19 am

Re: Optimisation and clock speed menu - enhancements

Post by edogaldo » Thu Oct 12, 2017 9:33 pm

It could be useful to provide usb features (ie dfu or serial usb) to custom boards missing the HSE or for boards with defective HSE.

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