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| //! board | ||
| #[cfg(feature = "async")] | ||
| pub mod async_impl; | ||
|
|
||
| use crate::{ | ||
| drivers::{led, pmic}, | ||
| hal, sys, | ||
| }; | ||
| use core::sync::atomic::{AtomicBool, Ordering}; | ||
| use defmt::debug; | ||
| use hal::{ | ||
| gpio::{Output, Pin, PinState, PushPull}, | ||
| pac, | ||
| prelude::*, | ||
| rcc, | ||
| time::Hertz, | ||
| usb_hs::{UsbBus, USB1_ULPI}, | ||
| }; | ||
| #[cfg(not(feature = "async"))] | ||
| pub mod non_async_impl; | ||
|
|
||
| type DigitalOutputPin<const P: char, const N: u8> = Pin<P, N, Output<PushPull>>; | ||
| pub type LedRed = led::Led<DigitalOutputPin<'K', 5>>; | ||
| pub type LedGreen = led::Led<DigitalOutputPin<'K', 6>>; | ||
| pub type LedBlue = led::Led<DigitalOutputPin<'K', 7>>; | ||
| pub type UsbPer = USB1_ULPI; | ||
| pub type UsbBusImpl = UsbBus<UsbPer>; | ||
| pub const CORE_FREQUENCY: Hertz = Hertz::from_raw(480_000_000); | ||
|
|
||
| pub struct Board { | ||
| pub led_red: LedRed, | ||
| pub led_green: LedGreen, | ||
| pub led_blue: LedBlue, | ||
| pub usb: UsbPer, | ||
| } | ||
|
|
||
| impl Board { | ||
| pub fn take() -> Self { | ||
| static TAKEN: AtomicBool = AtomicBool::new(false); | ||
| debug_assert!(!TAKEN.swap(true, Ordering::SeqCst)); | ||
| Self::setup() | ||
| } | ||
|
|
||
| fn setup() -> Self { | ||
| // Reset previous configuration and enable external oscillator as HSE source (25 MHz) | ||
| sys::Clk::new().reset().enable_ext_clock(); | ||
| let dp = pac::Peripherals::take().unwrap(); | ||
|
|
||
| // Configure power domains and clock tree | ||
| let pwrcfg = dp.PWR.constrain().vos0(&dp.SYSCFG).freeze(); | ||
| let ccdr = dp | ||
| .RCC | ||
| .constrain() | ||
| .use_hse(25.MHz()) | ||
| .bypass_hse() | ||
| .sys_ck(CORE_FREQUENCY) | ||
| .hclk(240.MHz()) | ||
| .pll1_strategy(rcc::PllConfigStrategy::Iterative) | ||
| .freeze(pwrcfg, &dp.SYSCFG); | ||
|
|
||
| debug_assert_eq!(sys::Clk::get_source(), Some(sys::ClkSource::Pll1)); | ||
| debug_assert_eq!(sys::Clk::get_pll_source(), sys::PllSourceVariant::Hse); | ||
|
|
||
| // GPIOs | ||
| let (gpioa, gpiob, gpioc, gpioh, gpioi, gpioj) = { | ||
| ( | ||
| dp.GPIOA.split(ccdr.peripheral.GPIOA), | ||
| dp.GPIOB.split(ccdr.peripheral.GPIOB), | ||
| dp.GPIOC.split(ccdr.peripheral.GPIOC), | ||
| dp.GPIOH.split_without_reset(ccdr.peripheral.GPIOH), // Do not do a reset since external oscillator is enabled by GPIOH1 | ||
| dp.GPIOI.split(ccdr.peripheral.GPIOI), | ||
| dp.GPIOJ.split(ccdr.peripheral.GPIOJ), | ||
| ) | ||
| }; | ||
| // Enable ULPI transceiver (GPIOJ4) | ||
| let mut ulpi_reset = gpioj.pj4.into_push_pull_output(); | ||
| ulpi_reset.set_high(); | ||
|
|
||
| let usb = USB1_ULPI::new( | ||
| dp.OTG1_HS_GLOBAL, | ||
| dp.OTG1_HS_DEVICE, | ||
| dp.OTG1_HS_PWRCLK, | ||
| gpioa.pa5.into_alternate(), | ||
| gpioi.pi11.into_alternate(), | ||
| gpioh.ph4.into_alternate(), | ||
| gpioc.pc0.into_alternate(), | ||
| gpioa.pa3.into_alternate(), | ||
| gpiob.pb0.into_alternate(), | ||
| gpiob.pb1.into_alternate(), | ||
| gpiob.pb10.into_alternate(), | ||
| gpiob.pb11.into_alternate(), | ||
| gpiob.pb12.into_alternate(), | ||
| gpiob.pb13.into_alternate(), | ||
| gpiob.pb5.into_alternate(), | ||
| ccdr.peripheral.USB1OTG, | ||
| &ccdr.clocks, | ||
| ); | ||
|
|
||
| // User LEDs | ||
| let gpiok = dp.GPIOK.split(ccdr.peripheral.GPIOK); | ||
| let (output_k5, output_k6, output_k7) = ( | ||
| gpiok.pk5.into_push_pull_output_in_state(PinState::High), | ||
| gpiok.pk6.into_push_pull_output_in_state(PinState::High), | ||
| gpiok.pk7.into_push_pull_output_in_state(PinState::High), | ||
| ); | ||
|
|
||
| let led_red = led::Led::new(output_k5); | ||
| let led_green = led::Led::new(output_k6); | ||
| let led_blue = led::Led::new(output_k7); | ||
|
|
||
| // PMIC | ||
| let (i2c1_scl, i2c1_sda) = ( | ||
| gpiob.pb6.into_alternate_open_drain(), | ||
| gpiob.pb7.into_alternate_open_drain(), | ||
| ); | ||
| let i2c1 = dp.I2C1.i2c( | ||
| (i2c1_scl, i2c1_sda), | ||
| 400.kHz(), | ||
| ccdr.peripheral.I2C1, | ||
| &ccdr.clocks, | ||
| ); | ||
| let mut pmic = pmic::Pmic::new(i2c1); | ||
| match pmic.device_id() { | ||
| Ok(id) => debug!("PMIC device ID: {:X}", id), | ||
| Err(_) => debug!("PMIC device ID read error"), | ||
| } | ||
|
|
||
| Board { | ||
| led_red, | ||
| led_green, | ||
| led_blue, | ||
| usb, | ||
| } | ||
| } | ||
| } | ||
| pub use fugit::HertzU32; | ||
| pub const CORE_FREQUENCY: HertzU32 = HertzU32::from_raw(480_000_000); |
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