#![deny(unsafe_code)]
#![no_main]
#![no_std]
use panic_semihosting as _;
use stm32f1xx_hal::{
prelude::*,
pac,
adc,
};
use cortex_m_rt::{entry,exception,ExceptionFrame};
use cortex_m_semihosting::hprintln;
#[entry]
fn main() -> ! {
let p = pac::Peripherals::take().unwrap();
let mut flash = p.FLASH.constrain();
let mut rcc = p.RCC.constrain();
let clocks = rcc.cfgr.adcclk(2.mhz()).freeze(&mut flash.acr);
hprintln!("adc freq: {}", clocks.adcclk().0).unwrap();
let mut adc1 = adc::Adc::adc1(p.ADC1, &mut rcc.apb2);
#[cfg(feature = "stm32f103")]
let mut adc2 = adc::Adc::adc2(p.ADC2, &mut rcc.apb2);
let mut gpiob = p.GPIOB.split(&mut rcc.apb2);
let mut ch0 = gpiob.pb0.into_analog(&mut gpiob.crl);
#[cfg(feature = "stm32f103")]
let mut ch1 = gpiob.pb1.into_analog(&mut gpiob.crl);
loop {
let data: u16 = adc1.read(&mut ch0).unwrap();
hprintln!("adc1: {}", data).unwrap();
#[cfg(feature = "stm32f103")]
{
let data1: u16 = adc2.read(&mut ch1).unwrap();
hprintln!("adc2: {}", data1).unwrap();
}
}
}
#[exception]
fn HardFault(ef: &ExceptionFrame) -> ! {
panic!("{:#?}", ef);
}
#[exception]
fn DefaultHandler(irqn: i16) {
panic!("Unhandled exception (IRQn = {})", irqn);
}