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Fix incorrect dac calibration algo

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- Fix abnormally long calibration time
This commit is contained in:
linuswck 2024-09-20 21:21:14 +08:00
parent ae4bea0c8a
commit 680193b34b
2 changed files with 2 additions and 5 deletions
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5
src/channels.rs
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@ -297,7 +297,6 @@ impl Channels {
let mut best_error = ElectricPotential::new::<volt>(100.0);
for step in (5..18).rev() {
let mut prev_value = start_value;
for value in (start_value..=ad5680::MAX_VALUE).step_by(1 << step) {
match channel {
0 => {
@ -316,7 +315,7 @@ impl Channels {
break;
} else if error < best_error {
best_error = error;
start_value = prev_value;
start_value = value;
let vref = (value as f64 / ad5680::MAX_VALUE as f64) * DAC_OUT_V_MAX;
match channel {
@ -325,8 +324,6 @@ impl Channels {
_ => unreachable!(),
}
}
prev_value = value;
}
}

2
src/main.rs
View File

@ -58,7 +58,7 @@ mod hw_rev;
const HSE: MegaHertz = MegaHertz(8);
#[cfg(not(feature = "semihosting"))]
const WATCHDOG_INTERVAL: u32 = 2_000;
const WATCHDOG_INTERVAL: u32 = 1_000;
#[cfg(feature = "semihosting")]
const WATCHDOG_INTERVAL: u32 = 30_000;