itsscb/embassy
1
0
Fork 0
mirror of https://github.com/embassy-rs/embassy.git synced 2025-10-02 14:44:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

Use write closure to clear idle flag, only read rdr on usart versions which need it

Browse Source
This commit is contained in:
Tobias Naumann 2025-03-21 13:27:29 +01:00
parent 1e6192ffa5
commit ac7c44c1d1
1 changed files with 6 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
embassy-stm32/src/usart/ringbuffered.rs
View File

@ -261,14 +261,13 @@ fn clear_idle_flag(r: Regs) -> Sr {
let sr = sr(r).read();
// This read also clears the error and idle interrupt flags on v1.
unsafe { rdr(r).read_volatile() };
#[cfg(any(usart_v3, usart_v4))]
{
let mut clear_idle = regs::Icr(0);
clear_idle.set_idle(true);
r.icr().write_value(clear_idle);
}
r.icr().write(|w| w.set_idle(true));
#[cfg(not(any(usart_v3, usart_v4)))]
unsafe {
// This read also clears the error and idle interrupt flags on v1.
rdr(r).read_volatile()
};
r.cr1().modify(|w| w.set_idleie(true));