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

Use correct frequencies for timers

Browse Source
This commit is contained in:
Ulf Lilleengen
2021-06-15 16:07:23 +02:00
parent ceb5d92da3
commit 49fad2de8a
7 changed files with 49 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
embassy-stm32/src/rcc/l0/mod.rs
View File

@ -353,23 +353,23 @@ impl RccExt for RCC {
}
};
let apb1_freq = match cfgr.apb1_pre {
APBPrescaler::NotDivided => ahb_freq,
let (apb1_freq, apb1_tim_freq) = match cfgr.apb1_pre {
APBPrescaler::NotDivided => (ahb_freq, ahb_freq),
pre => {
let pre: Ppre = pre.into();
let pre: u8 = 1 << (pre.0 - 3);
let freq = ahb_freq / pre as u32;
freq
(freq, freq * 2)
}
};
let apb2_freq = match cfgr.apb2_pre {
APBPrescaler::NotDivided => ahb_freq,
let (apb2_freq, apb2_tim_freq) = match cfgr.apb2_pre {
APBPrescaler::NotDivided => (ahb_freq, ahb_freq),
pre => {
let pre: Ppre = pre.into();
let pre: u8 = 1 << (pre.0 - 3);
let freq = ahb_freq / (1 << (pre as u8 - 3));
freq
(freq, freq * 2)
}
};
@ -378,6 +378,8 @@ impl RccExt for RCC {
ahb: ahb_freq.hz(),
apb1: apb1_freq.hz(),
apb2: apb2_freq.hz(),
apb1_tim: apb1_tim_freq.hz(),
apb2_tim: apb2_tim_freq.hz(),
}
}
}