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Change comment on baudrate calculation

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Nic0w 2021-05-05 08:02:53 +02:00
parent 8586f98c02
commit c35358f475
1 changed files with 2 additions and 1 deletions
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3
rp2040-hal/src/uart.rs
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@ -361,7 +361,8 @@ fn calculate_baudrate_dividers(
wanted_baudrate: &Baud, wanted_baudrate: &Baud,
frequency: &Hertz, frequency: &Hertz,
) -> Result<(u16, u16), Error> { ) -> Result<(u16, u16), Error> {
// baudrate_div = frequency * 8 / wanted_baudrate // See Chapter 4, Section 2 §7.1 from the datasheet for an explanation of how baudrate is
// calculated
let baudrate_div = frequency.integer() let baudrate_div = frequency.integer()
.checked_mul(8) .checked_mul(8)
.and_then(|r| r.checked_div(*wanted_baudrate.integer())) .and_then(|r| r.checked_div(*wanted_baudrate.integer()))