85 lines
2.4 KiB
Rust
85 lines
2.4 KiB
Rust
use stm32f4xx_hal::{
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adc::{
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config::{self, AdcConfig},
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Adc,
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},
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gpio::{gpioa::*, gpiob::*, gpiod::*, Alternate, Output, PushPull, Analog, PD9},
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hal::{blocking::spi::Transfer, digital::v2::OutputPin},
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pac::{SPI2, ADC2},
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spi::{NoMiso, Spi, TransferModeNormal},
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};
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use crate::laser_diode::max5719::{self, Dac};
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pub trait ChannelPins {
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type PdMonPin;
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type CurrentSourceLdoEn: OutputPin;
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type CurrentSourceShort: OutputPin;
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type Max5719Load: OutputPin;
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type Max5719Cs: OutputPin;
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type Max5719Spi: Transfer<u8>;
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}
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pub struct CurrentSourcePhy<C: ChannelPins> {
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pub dac: Dac<C::Max5719Spi, C::Max5719Cs, C::Max5719Load>,
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pub current_source_ldo_en_pin: C::CurrentSourceLdoEn,
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pub current_source_short_pin: C::CurrentSourceShort,
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pub pd_mon_pin : C::PdMonPin,
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}
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pub struct Channel0;
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impl ChannelPins for Channel0 {
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type PdMonPin = PA3<Analog>;
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type CurrentSourceLdoEn = PD9<Output<PushPull>>;
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type CurrentSourceShort = PA4<Output<PushPull>>;
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type Max5719Load = DacLoad;
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type Max5719Cs = DacCs;
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type Max5719Spi = DacSpi;
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}
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type DacSpi = Spi<SPI2, (PB10<Alternate<5>>, NoMiso, PB15<Alternate<5>>), TransferModeNormal>;
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type DacCs = PD8<Output<PushPull>>;
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type DacLoad = PB14<Output<PushPull>>;
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pub struct CurrentSource{
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pub phy: CurrentSourcePhy<Channel0>,
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pub pins_adc: Adc<ADC2>
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}
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impl CurrentSource {
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pub fn new(phy_ch0: CurrentSourcePhy<Channel0>, adc2: ADC2) -> Self {
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let config = AdcConfig::default()
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.clock(config::Clock::Pclk2_div_2)
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.default_sample_time(config::SampleTime::Cycles_480);
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let pins_adc = Adc::adc2(adc2, true, config);
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CurrentSource {
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phy: phy_ch0,
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pins_adc: pins_adc,
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}
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}
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pub fn power_up(&mut self) {
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self.phy.current_source_ldo_en_pin.set_high();
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}
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#[deprecated(note=
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"To be removed when rev0_3 has arrived
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Rev0_2 has hardware connection bug for LD_EN.
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LD_EN will always be enabled.")]
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pub fn power_down(&mut self) {
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self.phy.current_source_ldo_en_pin.set_low();
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}
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// LD Terminals are shorted together
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pub fn ld_short_enable(&mut self) {
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self.phy.current_source_short_pin.set_low();
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}
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// LD Current flows from anode to cathode
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pub fn ld_short_disable(&mut self) {
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self.phy.current_source_short_pin.set_high();
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}
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} |