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stm32/hrtim: move traits out of macro def'n

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This commit is contained in:
xoviat 2023-09-28 15:48:46 -05:00
parent 20ea76c19c
commit 322a4a8401
1 changed files with 67 additions and 81 deletions
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148
embassy-stm32/src/hrtim/traits.rs
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@ -78,12 +78,76 @@ pub(crate) mod sealed {
pub trait Instance: RccPeripheral { pub trait Instance: RccPeripheral {
fn regs() -> crate::pac::hrtim::Hrtim; fn regs() -> crate::pac::hrtim::Hrtim;
fn set_master_frequency(frequency: Hertz); fn set_master_frequency(frequency: Hertz) {
let f = frequency.0;
#[cfg(not(stm32f334))]
let timer_f = Self::frequency().0;
#[cfg(stm32f334)]
let timer_f = unsafe { crate::rcc::get_freqs() }.hrtim.unwrap_or(Self::frequency()).0;
fn set_channel_frequency(channnel: usize, frequency: Hertz); let psc_min = (timer_f / f) / (u16::MAX as u32 / 32);
let psc = if Self::regs().isr().read().dllrdy() {
Prescaler::compute_min_high_res(psc_min)
} else {
Prescaler::compute_min_low_res(psc_min)
};
let timer_f = 32 * (timer_f / psc as u32);
let per: u16 = (timer_f / f) as u16;
let regs = Self::regs();
regs.mcr().modify(|w| w.set_ckpsc(psc.into()));
regs.mper().modify(|w| w.set_mper(per));
}
fn set_channel_frequency(channel: usize, frequency: Hertz) {
let f = frequency.0;
#[cfg(not(stm32f334))]
let timer_f = Self::frequency().0;
#[cfg(stm32f334)]
let timer_f = unsafe { crate::rcc::get_freqs() }.hrtim.unwrap_or(Self::frequency()).0;
let psc_min = (timer_f / f) / (u16::MAX as u32 / 32);
let psc = if Self::regs().isr().read().dllrdy() {
Prescaler::compute_min_high_res(psc_min)
} else {
Prescaler::compute_min_low_res(psc_min)
};
let timer_f = 32 * (timer_f / psc as u32);
let per: u16 = (timer_f / f) as u16;
let regs = Self::regs();
regs.tim(channel).cr().modify(|w| w.set_ckpsc(psc.into()));
regs.tim(channel).per().modify(|w| w.set_per(per));
}
/// Set the dead time as a proportion of max_duty /// Set the dead time as a proportion of max_duty
fn set_channel_dead_time(channnel: usize, dead_time: u16);
fn set_channel_dead_time(channel: usize, dead_time: u16) {
let regs = Self::regs();
let channel_psc: Prescaler = regs.tim(channel).cr().read().ckpsc().into();
// The dead-time base clock runs 4 times slower than the hrtim base clock
// u9::MAX = 511
let psc_min = (channel_psc as u32 * dead_time as u32) / (4 * 511);
let psc = if Self::regs().isr().read().dllrdy() {
Prescaler::compute_min_high_res(psc_min)
} else {
Prescaler::compute_min_low_res(psc_min)
};
let dt_val = (psc as u32 * dead_time as u32) / (4 * channel_psc as u32);
regs.tim(channel).dt().modify(|w| {
w.set_dtprsc(psc.into());
w.set_dtf(dt_val as u16);
w.set_dtr(dt_val as u16);
});
}
// fn enable_outputs(enable: bool); // fn enable_outputs(enable: bool);
// //
@ -99,84 +163,6 @@ foreach_interrupt! {
fn regs() -> crate::pac::hrtim::Hrtim { fn regs() -> crate::pac::hrtim::Hrtim {
crate::pac::$inst crate::pac::$inst
} }
fn set_master_frequency(frequency: Hertz) {
use crate::rcc::sealed::RccPeripheral;
let f = frequency.0;
#[cfg(not(stm32f334))]
let timer_f = Self::frequency().0;
#[cfg(stm32f334)]
let timer_f = unsafe { crate::rcc::get_freqs() }.hrtim.unwrap_or(
Self::frequency()
).0;
let psc_min = (timer_f / f) / (u16::MAX as u32 / 32);
let psc = if Self::regs().isr().read().dllrdy() {
Prescaler::compute_min_high_res(psc_min)
} else {
Prescaler::compute_min_low_res(psc_min)
};
let timer_f = 32 * (timer_f / psc as u32);
let per: u16 = (timer_f / f) as u16;
let regs = Self::regs();
regs.mcr().modify(|w| w.set_ckpsc(psc.into()));
regs.mper().modify(|w| w.set_mper(per));
}
fn set_channel_frequency(channel: usize, frequency: Hertz) {
use crate::rcc::sealed::RccPeripheral;
let f = frequency.0;
#[cfg(not(stm32f334))]
let timer_f = Self::frequency().0;
#[cfg(stm32f334)]
let timer_f = unsafe { crate::rcc::get_freqs() }.hrtim.unwrap_or(
Self::frequency()
).0;
let psc_min = (timer_f / f) / (u16::MAX as u32 / 32);
let psc = if Self::regs().isr().read().dllrdy() {
Prescaler::compute_min_high_res(psc_min)
} else {
Prescaler::compute_min_low_res(psc_min)
};
let timer_f = 32 * (timer_f / psc as u32);
let per: u16 = (timer_f / f) as u16;
let regs = Self::regs();
regs.tim(channel).cr().modify(|w| w.set_ckpsc(psc.into()));
regs.tim(channel).per().modify(|w| w.set_per(per));
}
fn set_channel_dead_time(channel: usize, dead_time: u16) {
let regs = Self::regs();
let channel_psc: Prescaler = regs.tim(channel).cr().read().ckpsc().into();
// The dead-time base clock runs 4 times slower than the hrtim base clock
// u9::MAX = 511
let psc_min = (channel_psc as u32 * dead_time as u32) / (4 * 511);
let psc = if Self::regs().isr().read().dllrdy() {
Prescaler::compute_min_high_res(psc_min)
} else {
Prescaler::compute_min_low_res(psc_min)
};
let dt_val = (psc as u32 * dead_time as u32) / (4 * channel_psc as u32);
regs.tim(channel).dt().modify(|w| {
w.set_dtprsc(psc.into());
w.set_dtf(dt_val as u16);
w.set_dtr(dt_val as u16);
});
}
} }
impl Instance for crate::peripherals::$inst { impl Instance for crate::peripherals::$inst {