Enabling Icache corrupt USB FS VCOM Port data?
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2021-03-31 8:06 AM
I am using STM32H743 with USB in FS mode as a VCOM port,
I send periodically a set of 1024 values , each is represented in 4 character + space between each value and the next.
Each set start with string header and ends with new line.
I send this data 19 times per second
When I enable Icache , the data is corrupted, some characters are dropped or repeated during transmission .
attached you can find two samples for correct recieved data when not using Icache, and corrupted data when enabling Icache.
My host application is Tera Term running on Windows 10 OS
How I can solve this problem?
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STM32H7 Series
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USB
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