From 224071f08e6ea82ddbcc111fc6359d7403480771 Mon Sep 17 00:00:00 2001 From: chemicstry Date: Wed, 16 Mar 2022 23:44:02 +0200 Subject: [PATCH] Add F7 example --- embassy-stm32/build.rs | 4 ++- examples/stm32f7/src/bin/sdmmc.rs | 43 +++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+), 1 deletion(-) create mode 100644 examples/stm32f7/src/bin/sdmmc.rs diff --git a/embassy-stm32/build.rs b/embassy-stm32/build.rs index d7792c1d..be88145d 100644 --- a/embassy-stm32/build.rs +++ b/embassy-stm32/build.rs @@ -483,7 +483,9 @@ fn main() { (("i2c", "TX"), quote!(crate::i2c::TxDma)), (("dcmi", "DCMI"), quote!(crate::dcmi::FrameDma)), (("dcmi", "PSSI"), quote!(crate::dcmi::FrameDma)), - (("sdmmc", "SDIO"), quote!(crate::sdmmc::SdmmcDma)), + // Same channel is used for RX/TX + (("sdmmc", "RX"), quote!(crate::sdmmc::SdmmcDma)), + (("sdmmc", "RX"), quote!(crate::sdmmc::SdmmcDma)), ] .into(); diff --git a/examples/stm32f7/src/bin/sdmmc.rs b/examples/stm32f7/src/bin/sdmmc.rs new file mode 100644 index 00000000..f8550d23 --- /dev/null +++ b/examples/stm32f7/src/bin/sdmmc.rs @@ -0,0 +1,43 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] + +#[path = "../example_common.rs"] +mod example_common; + +use embassy::executor::Spawner; +use embassy_stm32::sdmmc::Sdmmc; +use embassy_stm32::time::U32Ext; +use embassy_stm32::{interrupt, Config, Peripherals}; +use example_common::*; + +fn config() -> Config { + let mut config = Config::default(); + config.rcc.sys_ck = Some(200.mhz().into()); + config +} + +#[embassy::main(config = "config()")] +async fn main(_spawner: Spawner, p: Peripherals) -> ! { + info!("Hello World!"); + + let irq = interrupt::take!(SDMMC1); + + let mut sdmmc = Sdmmc::new( + p.SDMMC1, + (p.PC12, p.PD2, p.PC8, p.PC9, p.PC10, p.PC11), + irq, + Default::default(), + p.DMA2_CH3 + ); + + info!("Configured clock: {}", sdmmc.clock.0); + + unwrap!(sdmmc.init_card(25.mhz()).await); + + let card = unwrap!(sdmmc.card()); + + info!("Card: {:#?}", Debug2Format(card)); + + loop {} +}