kirdy/src/device/gpio.rs

use crate::laser_diode::current_sources::*;
use fugit::RateExtU32;
use stm32_eth::EthPins;
use stm32f4xx_hal::{
    gpio::{Alternate, GpioExt, Speed},
    otg_fs::USB,
    pac::{GPIOA, GPIOB, GPIOC, GPIOD, OTG_FS_DEVICE, OTG_FS_GLOBAL, OTG_FS_PWRCLK, SPI2},
    rcc::Clocks,
    spi,
    spi::{NoMiso, Spi},
};

use crate::network::network::EthernetPins;

pub fn setup(
    clocks: Clocks,
    gpioa: GPIOA,
    gpiob: GPIOB,
    gpioc: GPIOC,
    gpiod: GPIOD,
    spi2: SPI2,
    otg_fs_global: OTG_FS_GLOBAL,
    otg_fs_device: OTG_FS_DEVICE,
    otg_fs_pwrclk: OTG_FS_PWRCLK,
) -> (
    EthernetPins,
    USB,
    CurrentSourcePhyConstruct<CurrentSourcePhyCh0>,
    stm32f4xx_hal::gpio::PA2<Alternate<11>>,
    stm32f4xx_hal::gpio::PC1<Alternate<11>>, // photo_diode_phy,
                                             // thermostat_phy
) {
    let gpioa = gpioa.split();
    let gpiob = gpiob.split();
    let gpioc = gpioc.split();
    let gpiod = gpiod.split();

    let usb = USB {
        usb_global: otg_fs_global,
        usb_device: otg_fs_device,
        usb_pwrclk: otg_fs_pwrclk,
        pin_dm: gpioa.pa11.into_alternate(),
        pin_dp: gpioa.pa12.into_alternate(),
        hclk: clocks.hclk(),
    };

    let eth_pins = EthPins {
        ref_clk: gpioa.pa1,
        crs: gpioa.pa7,
        tx_en: gpiob.pb11,
        tx_d0: gpiob.pb12,
        tx_d1: gpiob.pb13,
        rx_d0: gpioc.pc4,
        rx_d1: gpioc.pc5,
    };

    let mut mdio = gpioa.pa2.into_alternate::<11>();
    let mut mdc = gpioc.pc1.into_alternate::<11>();
    mdio.set_speed(Speed::VeryHigh);
    mdc.set_speed(Speed::VeryHigh);

    let current_source_phy = CurrentSourcePhyConstruct {
        max5719_spi: Spi::new(
            spi2,
            (
                gpiob.pb10.into_alternate(),
                NoMiso {},
                gpiob.pb15.into_alternate(),
            ),
            spi::Mode {
                polarity: spi::Polarity::IdleLow,
                phase: spi::Phase::CaptureOnFirstTransition,
            },
            10_u32.MHz(),
            &clocks,
        ),
        max5719_load: gpiob.pb14.into_push_pull_output(),
        max5719_cs: gpiod.pd8.into_push_pull_output(),
        current_source_ldo_en: gpiod.pd9.into_push_pull_output(),
        current_source_short: gpioa.pa4.into_push_pull_output(),
    };

    (eth_pins, usb, current_source_phy, mdio, mdc)
}