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Programming port UART doesn't work at 230400; no rounding in BRGR calculations. #54

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WestfW opened this issue Aug 2, 2018 · 1 comment
Open

Programming port UART doesn't work at 230400; no rounding in BRGR calculations. #54

WestfW opened this issue Aug 2, 2018 · 1 comment

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@WestfW
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@WestfW WestfW commented Aug 2, 2018

The Baud Rate Generator Divisor calculations in UARTClass::init() do not round, leading to error rates higher than they could be. In particular, the error at 230400bps is both large and in the opposite direction of the 16u2 error, and it fails. Adding rounding allows it to work.
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@WestfW WestfW commented Aug 2, 2018

#55
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