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allow higher psc value for iwdg_v3

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This commit is contained in:
eZio Pan 2024-02-27 14:20:58 +08:00
parent d5a2b3be58
commit bf44adc4bc
1 changed files with 5 additions and 1 deletions
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6
embassy-stm32/src/wdg/mod.rs
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@ -42,9 +42,13 @@ impl<'d, T: Instance> IndependentWatchdog<'d, T> {
// Prescaler value // Prescaler value
let psc = 2u16.pow(psc_power); let psc = 2u16.pow(psc_power);
#[cfg(not(iwdg_v3))]
assert!(psc <= 256, "IWDG prescaler should be no more than 256");
#[cfg(iwdg_v3)] // H5, U5, WBA
assert!(psc <= 1024, "IWDG prescaler should be no more than 1024");
// Convert prescaler power to PR register value // Convert prescaler power to PR register value
let pr = psc_power as u8 - 2; let pr = psc_power as u8 - 2;
assert!(pr <= 0b110);
// Reload value // Reload value
let rl = reload_value(psc, timeout_us); let rl = reload_value(psc, timeout_us);