#![deny(warnings)]
#![no_main]
#![no_std]
#[macro_use]
mod utilities;
use cortex_m_rt::entry;
use stm32h7xx_hal::rcc::{rec, rec::Spi123ClkSel, ResetEnable};
use stm32h7xx_hal::{pac, prelude::*};
fn enable_fdcan(rec: rec::Fdcan) {
let _ = rec.enable().kernel_clk_mux(rec::FdcanClkSel::Pll1Q);
}
#[entry]
fn main() -> ! {
utilities::logger::init();
let dp = pac::Peripherals::take().unwrap();
let pwr = dp.PWR.constrain();
let pwrcfg = example_power!(pwr).freeze();
let rcc = dp.RCC.constrain();
let mut ccdr = rcc
.sys_ck(100.MHz())
.pll1_q_ck(4.MHz())
.pll3_p_ck(4.MHz())
.pll3_r_ck(4.MHz())
.freeze(pwrcfg, &dp.SYSCFG);
ccdr.peripheral.kernel_spi123_clk_mux(Spi123ClkSel::Pll3P);
enable_fdcan(ccdr.peripheral.FDCAN);
loop {
cortex_m::asm::nop()
}
}