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Add trace logging for USART

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This commit is contained in:
Michael de Silva 2024-04-24 01:59:00 +05:30
parent 4d4cbc0dd3
commit 02bb85a791
1 changed files with 26 additions and 6 deletions
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30
embassy-stm32/src/usart/mod.rs
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@ -1270,8 +1270,14 @@ fn configure(
let (mul, brr_min, brr_max) = match kind {
#[cfg(any(usart_v3, usart_v4))]
Kind::Lpuart => (256, 0x300, 0x10_0000),
Kind::Uart => (1, 0x10, 0x1_0000),
Kind::Lpuart => {
trace!("USART: Kind::Lpuart");
(256, 0x300, 0x10_0000)
}
Kind::Uart => {
trace!("USART: Kind::Uart");
(1, 0x10, 0x1_0000)
}
};
fn calculate_brr(baud: u32, pclk: u32, presc: u32, mul: u32) -> u32 {
@ -1374,21 +1380,35 @@ fn configure(
// configure word size
// if using odd or even parity it must be configured to 9bits
w.set_m0(if config.parity != Parity::ParityNone {
trace!("USART: m0: vals::M0::BIT9");
vals::M0::BIT9
} else {
trace!("USART: m0: vals::M0::BIT8");
vals::M0::BIT8
});
// configure parity
w.set_pce(config.parity != Parity::ParityNone);
w.set_ps(match config.parity {
Parity::ParityOdd => vals::Ps::ODD,
Parity::ParityEven => vals::Ps::EVEN,
_ => vals::Ps::EVEN,
Parity::ParityOdd => {
trace!("USART: set_ps: vals::Ps::ODD");
vals::Ps::ODD
}
Parity::ParityEven => {
trace!("USART: set_ps: vals::Ps::EVEN");
vals::Ps::EVEN
}
_ => {
trace!("USART: set_ps: vals::Ps::EVEN");
vals::Ps::EVEN
}
});
#[cfg(not(usart_v1))]
w.set_over8(vals::Over8::from_bits(over8 as _));
#[cfg(usart_v4)]
{
trace!("USART: set_fifoen: true (usart_v4)");
w.set_fifoen(true);
}
});
Ok(())