max/embassy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Change region type name

Browse Source
This commit is contained in:
Rasmus Melchior Jacobsen
2023-03-25 13:39:10 +01:00
parent 47d5f127bb
commit 73ccc04231
4 changed files with 20 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
embassy-stm32/src/flash/f4.rs
View File

@ -5,12 +5,12 @@ use core::sync::atomic::{fence, Ordering};
use embassy_hal_common::stm32::flash::f4::{get_sector, SECOND_BANK_SECTOR_OFFSET};
use super::{FlashRegion, FLASH_SIZE, MAINC};
use super::{FlashRegion, FLASH_SIZE};
use crate::flash::Error;
use crate::pac;
pub(crate) const MAX_WRITE_SIZE: usize = MAINC::WRITE_SIZE;
pub(crate) const MAX_ERASE_SIZE: usize = MAINC::ERASE_SIZE;
pub(crate) const MAX_WRITE_SIZE: usize = super::BANK1_REGION3::WRITE_SIZE;
pub(crate) const MAX_ERASE_SIZE: usize = super::BANK1_REGION3::ERASE_SIZE;
unsafe fn is_dual_bank() -> bool {
match FLASH_SIZE / 1024 {
@ -46,13 +46,13 @@ pub(crate) unsafe fn blocking_write(first_address: u32, buf: &[u8]) -> Result<()
let ret = {
let mut ret: Result<(), Error> = Ok(());
let mut offset = first_address;
let mut address = first_address;
for chunk in buf.chunks(MAX_WRITE_SIZE) {
let vals = chunk.chunks_exact(size_of::<u32>());
assert!(vals.remainder().is_empty());
for val in vals {
write_volatile(offset as *mut u32, u32::from_le_bytes(val.try_into().unwrap()));
offset += val.len() as u32;
write_volatile(address as *mut u32, u32::from_le_bytes(val.try_into().unwrap()));
address += val.len() as u32;
// prevents parallelism errors
fence(Ordering::SeqCst);