#![deny(warnings)]
#![no_main]
#![no_std]
use cortex_m_rt::entry;
#[macro_use]
mod utilities;
use stm32h7xx_hal::{pac, prelude::*};
use log::info;
#[entry]
fn main() -> ! {
utilities::logger::init();
let dp = pac::Peripherals::take().expect("Cannot take peripherals");
info!("Setup PWR... ");
let pwr = dp.PWR.constrain();
let pwrcfg = example_power!(pwr).vos3().freeze();
info!("Setup RCC... ");
let rcc = dp.RCC.constrain();
let ccdr = rcc.sys_ck(8.MHz()).freeze(pwrcfg, &dp.SYSCFG);
info!("");
info!("stm32h7xx-hal example - VOS3");
info!("");
info!("hclk = {} MHz", ccdr.clocks.hclk().raw() as f32 / 1e6);
assert_eq!(ccdr.clocks.hclk().raw(), 4_000_000);
info!("sys_ck = {} MHz", ccdr.clocks.sys_ck().raw() as f32 / 1e6);
assert_eq!(ccdr.clocks.sys_ck().raw(), 8_000_000);
loop {
cortex_m::asm::nop()
}
}