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stm32/sdmmc: switch to AFIT.

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This commit is contained in:
Dario Nieuwenhuis
2023-04-14 22:49:56 +02:00
parent f681b9d4e5
commit 224eaaf797
3 changed files with 23 additions and 37 deletions
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2
embassy-stm32/Cargo.toml
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@ -55,7 +55,7 @@ cortex-m = "0.7.6"
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
rand_core = "0.6.3"
sdio-host = "0.5.0"
embedded-sdmmc = { git = "https://github.com/embassy-rs/embedded-sdmmc-rs", rev = "46d1b1c2ff13e31e282ec1e352421721694f126a", optional = true }
embedded-sdmmc = { git = "https://github.com/embassy-rs/embedded-sdmmc-rs", rev = "a4f293d3a6f72158385f79c98634cb8a14d0d2fc", optional = true }
critical-section = "1.1"
atomic-polyfill = "1.0.1"
stm32-metapac = "6"

56
embassy-stm32/src/sdmmc/mod.rs
View File

@ -1651,8 +1651,6 @@ foreach_peripheral!(
#[cfg(feature = "embedded-sdmmc")]
mod sdmmc_rs {
use core::future::Future;
use embedded_sdmmc::{Block, BlockCount, BlockDevice, BlockIdx};
use super::*;
@ -1660,49 +1658,37 @@ mod sdmmc_rs {
impl<'d, T: Instance, Dma: SdmmcDma<T>> BlockDevice for Sdmmc<'d, T, Dma> {
type Error = Error;
type ReadFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a
where
Self: 'a;
type WriteFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a
where
Self: 'a;
fn read<'a>(
&'a mut self,
blocks: &'a mut [Block],
async fn read(
&mut self,
blocks: &mut [Block],
start_block_idx: BlockIdx,
_reason: &str,
) -> Self::ReadFuture<'a> {
async move {
let mut address = start_block_idx.0;
) -> Result<(), Self::Error> {
let mut address = start_block_idx.0;
for block in blocks.iter_mut() {
let block: &mut [u8; 512] = &mut block.contents;
for block in blocks.iter_mut() {
let block: &mut [u8; 512] = &mut block.contents;
// NOTE(unsafe) Block uses align(4)
let block = unsafe { &mut *(block as *mut _ as *mut DataBlock) };
self.read_block(address, block).await?;
address += 1;
}
Ok(())
// NOTE(unsafe) Block uses align(4)
let block = unsafe { &mut *(block as *mut _ as *mut DataBlock) };
self.read_block(address, block).await?;
address += 1;
}
Ok(())
}
fn write<'a>(&'a mut self, blocks: &'a [Block], start_block_idx: BlockIdx) -> Self::WriteFuture<'a> {
async move {
let mut address = start_block_idx.0;
async fn write(&mut self, blocks: &[Block], start_block_idx: BlockIdx) -> Result<(), Self::Error> {
let mut address = start_block_idx.0;
for block in blocks.iter() {
let block: &[u8; 512] = &block.contents;
for block in blocks.iter() {
let block: &[u8; 512] = &block.contents;
// NOTE(unsafe) DataBlock uses align 4
let block = unsafe { &*(block as *const _ as *const DataBlock) };
self.write_block(address, block).await?;
address += 1;
}
Ok(())
// NOTE(unsafe) DataBlock uses align 4
let block = unsafe { &*(block as *const _ as *const DataBlock) };
self.write_block(address, block).await?;
address += 1;
}
Ok(())
}
fn num_blocks(&self) -> Result<BlockCount, Self::Error> {