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Fix writing to last sector of F4 flash

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This commit is contained in:
chemicstry
2022-07-14 19:41:39 +03:00
parent e4cacc3bb8
commit 039acda3a8
2 changed files with 25 additions and 13 deletions
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6
embassy-stm32/src/flash/f4.rs
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@ -99,9 +99,9 @@ unsafe fn get_sector(addr: u32) -> u8 {
pub(crate) unsafe fn blocking_erase(from: u32, to: u32) -> Result<(), Error> {
let start_sector = get_sector(from);
let end_sector = get_sector(to);
let end_sector = get_sector(to - 1); // end range is exclusive
for sector in start_sector..end_sector {
for sector in start_sector..=end_sector {
let ret = erase_sector(sector as u8);
if ret.is_err() {
return ret;
@ -115,6 +115,8 @@ unsafe fn erase_sector(sector: u8) -> Result<(), Error> {
let bank = sector / SECOND_BANK_SECTOR_START as u8;
let snb = (bank << 4) + (sector % SECOND_BANK_SECTOR_START as u8);
trace!("Erasing sector: {}", sector);
pac::FLASH.cr().modify(|w| {
w.set_ser(true);
w.set_snb(snb)