linuswck/thermostat
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Code Pull Requests 1 Activity

setup clocks to 168 mhz, adjust TIMER_RATE to 20

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systick must elapse more often at higher clock.
This commit is contained in:
Astro 2019-03-18 22:04:34 +01:00
parent 58ac89b66e
commit 3f6bb05001
2 changed files with 5 additions and 5 deletions
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8
src/main.rs
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@ -73,10 +73,10 @@ fn main() -> ! {
stm32_eth::setup(&dp.RCC, &dp.SYSCFG); stm32_eth::setup(&dp.RCC, &dp.SYSCFG);
let clocks = dp.RCC.constrain() let clocks = dp.RCC.constrain()
.cfgr .cfgr
.sysclk(84.mhz()) .sysclk(168.mhz())
.hclk(84.mhz()) .hclk(168.mhz())
.pclk1(16.mhz()) .pclk1(32.mhz())
.pclk2(32.mhz()) .pclk2(64.mhz())
.freeze(); .freeze();
let mut wd = IndependentWatchdog::new(dp.IWDG); let mut wd = IndependentWatchdog::new(dp.IWDG);

2
src/timer.rs
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@ -9,7 +9,7 @@ use stm32f4xx_hal::{
}; };
/// Rate in Hz /// Rate in Hz
const TIMER_RATE: u32 = 10; const TIMER_RATE: u32 = 20;
/// Interval duration in milliseconds /// Interval duration in milliseconds
const TIMER_DELTA: u32 = 1000 / TIMER_RATE; const TIMER_DELTA: u32 = 1000 / TIMER_RATE;
/// Elapsed time in milliseconds /// Elapsed time in milliseconds