43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
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#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use embassy::executor::Spawner;
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use embassy::time::{Delay, Duration, Timer};
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use embassy_stm32::adc::{Adc, SampleTime};
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use embassy_stm32::rcc::AdcClockSource;
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use embassy_stm32::time::U32Ext;
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use embassy_stm32::{Config, Peripherals};
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use defmt::*;
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use defmt_rtt as _; // global logger
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use panic_probe as _;
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pub fn config() -> Config {
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let mut config = Config::default();
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config.rcc.sys_ck = Some(400.mhz().into());
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config.rcc.hclk = Some(200.mhz().into());
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config.rcc.per_ck = Some(64.mhz().into());
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config.rcc.adc_clock_source = AdcClockSource::PerCk;
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config
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}
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#[embassy::main(config = "config()")]
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async fn main(_spawner: Spawner, mut p: Peripherals) {
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info!("Hello World!");
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let mut adc = Adc::new(p.ADC3, &mut Delay);
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adc.set_sample_time(SampleTime::Cycles32_5);
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let mut vref_channel = adc.enable_vref();
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loop {
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let vref = adc.read_internal(&mut vref_channel);
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info!("vref: {}", vref);
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let measured = adc.read(&mut p.PC0);
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info!("measured: {}", measured);
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Timer::after(Duration::from_millis(500)).await;
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}
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}
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