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Implemented Pwm trait from embedded_hal

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This commit is contained in:
randi
2023-10-07 11:57:19 +13:00
parent 65ed19aae2
commit b217d147de
2 changed files with 66 additions and 0 deletions
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28
embassy-stm32/src/timer/mod.rs
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@ -70,6 +70,16 @@ pub(crate) mod sealed {
fn set_autoreload_preload(&mut self, enable: vals::Arpe) {
Self::regs().cr1().modify(|r| r.set_arpe(enable));
}
fn get_frequency(&self) -> Hertz {
let timer_f = Self::frequency();
let regs = Self::regs();
let arr = regs.arr().read().arr();
let psc = regs.psc().read().psc();
timer_f / arr / (psc + 1)
}
}
pub trait GeneralPurpose16bitInstance: Basic16bitInstance {
@ -103,6 +113,16 @@ pub(crate) mod sealed {
regs.egr().write(|r| r.set_ug(true));
regs.cr1().modify(|r| r.set_urs(vals::Urs::ANYEVENT));
}
fn get_frequency(&self) -> Hertz {
let timer_f = Self::frequency();
let regs = Self::regs_gp32();
let arr = regs.arr().read().arr();
let psc = regs.psc().read().psc();
timer_f / arr / (psc + 1)
}
}
pub trait AdvancedControlInstance: GeneralPurpose16bitInstance {
@ -183,6 +203,10 @@ pub(crate) mod sealed {
fn get_max_compare_value(&self) -> u16 {
Self::regs_gp16().arr().read().arr()
}
fn get_compare_value(&self, channel: Channel) -> u16 {
Self::regs_gp16().ccr(channel.raw()).read().ccr()
}
}
pub trait ComplementaryCaptureCompare16bitInstance: CaptureCompare16bitInstance + AdvancedControlInstance {
@ -219,6 +243,10 @@ pub(crate) mod sealed {
fn get_max_compare_value(&self) -> u32 {
Self::regs_gp32().arr().read().arr()
}
fn get_compare_value(&self, channel: Channel) -> u32 {
Self::regs_gp32().ccr(channel.raw()).read().ccr()
}
}
}