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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::info;
use embassy_executor::Spawner;
use embassy_stm32::adc::{Adc, SampleTime};
use embassy_stm32::peripherals::ADC1;
use embassy_stm32::rcc::{AdcClockSource, Adcpres};
use embassy_stm32::time::mhz;
use embassy_stm32::{adc, bind_interrupts, Config};
use embassy_time::{Delay, Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
bind_interrupts!(struct Irqs {
ADC1_2 => adc::InterruptHandler<ADC1>;
});
#[embassy_executor::main]
async fn main(_spawner: Spawner) -> ! {
let mut config = Config::default();
config.rcc.sysclk = Some(mhz(64));
config.rcc.hclk = Some(mhz(64));
config.rcc.pclk1 = Some(mhz(32));
config.rcc.pclk2 = Some(mhz(64));
config.rcc.adc = Some(AdcClockSource::Pll(Adcpres::DIV1));
let mut p = embassy_stm32::init(config);
info!("create adc...");
let mut adc = Adc::new(p.ADC1, Irqs, &mut Delay);
adc.set_sample_time(SampleTime::Cycles601_5);
info!("enable vrefint...");
let mut vrefint = adc.enable_vref(&mut Delay);
let mut temperature = adc.enable_temperature();
loop {
let vref = adc.read(&mut vrefint).await;
info!("read vref: {} (should be {})", vref, vrefint.value());
let temp = adc.read(&mut temperature).await;
info!("read temperature: {}", temp);
let pin = adc.read(&mut p.PA0).await;
info!("read pin: {}", pin);
let pin_mv = (pin as u32 * vrefint.value() as u32 / vref as u32) * 3300 / 4095;
info!("computed pin mv: {}", pin_mv);
Timer::after(Duration::from_millis(500)).await;
}
}
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