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use crate::core::ICore;
use cortex_m::{Peripherals, asm};
use cortex_m::peripheral::syst::SystClkSource;
use cortex_m::peripheral::scb;
pub struct ArchCore {
peripherals: Peripherals,
}
impl ICore for ArchCore {
fn new() -> Self {
let mut peripherals = unsafe { Peripherals::steal() };
peripherals.SYST.set_clock_source(SystClkSource::Core);
ArchCore {
peripherals
}
}
fn set_systick_div(&mut self, divisor: u32) {
self.peripherals.SYST.set_reload(48_000);
self.peripherals.SYST.clear_current();
}
fn start(&mut self) {
self.peripherals.SYST.enable_counter();
self.peripherals.SYST.enable_interrupt();
unsafe {
self.peripherals.SCB.set_priority(scb::SystemHandler::PendSV, 0xFF);
}
self.peripherals.SCB.enable(scb::Exception::MemoryManagement);
}
fn bkpt() {
asm::bkpt();
}
}