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About USB Download Mode for ACM Driver Speed #8

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xlloss opened this issue Feb 20, 2023 · 2 comments
Open

About USB Download Mode for ACM Driver Speed #8

xlloss opened this issue Feb 20, 2023 · 2 comments

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@xlloss
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xlloss commented Feb 20, 2023 •
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Hi Isozaki san,

Thanks your contribution.

Excuse me.
I would to use usb download to speed up for updating IPL on RCar M3/E3.
Is there any limit about FlashWriter USB ACM mode speed ?
For example : ACM baud rate max on 4000000 bps only

Thank you
@tadayuki-isozaki
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Hi xlloss-san,

The USB library included in Flash writer is designed for maximum performance (i.e. up to 480Mbps based on USB 2.0 specification) regardless of the PC terminal's baud rate setting.
For maximum performance, we recommend using the raw binary transfer mode (i.e. using USB-DMAC) with the XLS3 command.

Best regards

@xlloss
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xlloss commented Feb 23, 2023

Hi Isozaki san,

Sorry for late about my reply.
Thanks your explanation a lot !
I understood it.

Thank you

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@xlloss @tadayuki-isozaki