48 lines
1018 B
Rust
48 lines
1018 B
Rust
#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use defmt::*;
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use embassy_executor::executor::Spawner;
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use embassy_stm32::sdmmc::Sdmmc;
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use embassy_stm32::time::mhz;
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use embassy_stm32::{interrupt, Config, Peripherals};
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use {defmt_rtt as _, panic_probe as _};
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fn config() -> Config {
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let mut config = Config::default();
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config.rcc.sys_ck = Some(mhz(48));
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config
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}
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#[embassy_executor::main(config = "config()")]
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async fn main(_spawner: Spawner, p: Peripherals) -> ! {
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info!("Hello World!");
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let irq = interrupt::take!(SDIO);
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let mut sdmmc = Sdmmc::new_4bit(
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p.SDIO,
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irq,
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p.DMA2_CH3,
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p.PC12,
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p.PD2,
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p.PC8,
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p.PC9,
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p.PC10,
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p.PC11,
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Default::default(),
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);
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// Should print 400kHz for initialization
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info!("Configured clock: {}", sdmmc.clock().0);
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unwrap!(sdmmc.init_card(mhz(25)).await);
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let card = unwrap!(sdmmc.card());
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info!("Card: {:#?}", Debug2Format(card));
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loop {}
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}
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