embassy/examples/stm32h7/src/bin/adc.rs
2022-08-18 01:22:30 +02:00

39 lines
1.1 KiB
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::adc::{Adc, SampleTime};
use embassy_stm32::rcc::AdcClockSource;
use embassy_stm32::time::mhz;
use embassy_stm32::Config;
use embassy_time::{Delay, Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let mut config = Config::default();
config.rcc.sys_ck = Some(mhz(400));
config.rcc.hclk = Some(mhz(200));
config.rcc.per_ck = Some(mhz(64));
config.rcc.adc_clock_source = AdcClockSource::PerCk;
let mut p = embassy_stm32::init(config);
info!("Hello World!");
let mut adc = Adc::new(p.ADC3, &mut Delay);
adc.set_sample_time(SampleTime::Cycles32_5);
let mut vrefint_channel = adc.enable_vrefint();
loop {
let vrefint = adc.read_internal(&mut vrefint_channel);
info!("vrefint: {}", vrefint);
let measured = adc.read(&mut p.PC0);
info!("measured: {}", measured);
Timer::after(Duration::from_millis(500)).await;
}
}