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ld_current_out_ctrl_timer: lower current ramp rate

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- Ld current ramp now updates in 250Hz (< 500Hz IIR filter cutoff
    frequency) for pwr_exc_protector
This commit is contained in:
linuswck 2025-01-28 15:57:10 +08:00
parent bd83a8fc92
commit 749f19b105
1 changed files with 3 additions and 3 deletions
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6
src/laser_diode/ld_current_out_ctrl_timer.rs
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@ -1,6 +1,6 @@
use core::marker::PhantomData; use core::marker::PhantomData;
use fugit::{KilohertzU32, TimerDurationU32}; use fugit::{HertzU32, TimerDurationU32};
use log::debug; use log::debug;
use stm32f4xx_hal::{pac::{interrupt, Interrupt, TIM2}, use stm32f4xx_hal::{pac::{interrupt, Interrupt, TIM2},
timer::{Counter, Event}, timer::{Counter, Event},
@ -20,7 +20,7 @@ pub const FREQ: u32 = 1000000;
/// This timer notifies the main loop to set the correct output current so that ld output current can ramp up/down slowly. /// This timer notifies the main loop to set the correct output current so that ld output current can ramp up/down slowly.
/// The current output slope is guaranteed to be larger but not necessarily equal to than the preset value. /// The current output slope is guaranteed to be larger but not necessarily equal to than the preset value.
impl LdCurrentOutCtrlTimer { impl LdCurrentOutCtrlTimer {
const TIME_STEP_MS: TimerDurationU32<FREQ> = TimerDurationU32::from_rate(KilohertzU32::from_raw(1)); const TIME_STEP: TimerDurationU32<FREQ> = TimerDurationU32::from_rate(HertzU32::from_raw(250));
const STEP_SIZE: ElectricCurrent = ElectricCurrent { const STEP_SIZE: ElectricCurrent = ElectricCurrent {
dimension: PhantomData, dimension: PhantomData,
units: PhantomData, units: PhantomData,
@ -28,7 +28,7 @@ impl LdCurrentOutCtrlTimer {
}; };
pub fn setup(mut tim2: Counter<TIM2, FREQ>) { pub fn setup(mut tim2: Counter<TIM2, FREQ>) {
tim2.start(LdCurrentOutCtrlTimer::TIME_STEP_MS).unwrap(); tim2.start(LdCurrentOutCtrlTimer::TIME_STEP).unwrap();
unsafe { unsafe {
cortex_m::peripheral::NVIC::unmask(Interrupt::TIM2); cortex_m::peripheral::NVIC::unmask(Interrupt::TIM2);
} }