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The rtfm example becomes the new main binary

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This commit is contained in:
Paul van Tilburg 2019-03-05 15:05:45 +01:00
parent 3e5088edfa
commit 66aff9a87d
2 changed files with 39 additions and 88 deletions
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54
examples/rtfm.rs
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@ -1,54 +0,0 @@
//! examples/rtfm.rs
#![deny(unsafe_code)]
#![deny(warnings)]
#![no_main]
#![no_std]
extern crate panic_semihosting;
//use cortex_m_semihosting::hprintln;
use hal::gpio::{Output, PushPull};
use hal::prelude::*;
use rtfm::{app, Instant};
type Led = hal::gpio::gpiod::PD<Output<PushPull>>;
const PERIOD: u32 = 8_000_000;
#[app(device = hal::stm32)]
const APP: () = {
static mut index: usize = ();
static mut leds: [Led; 4] = ();
#[init(schedule = [switch_leds])]
fn init() -> init::LateResources {
// Set up the LEDs.
let gpiod = device.GPIOD.split();
let leds = [
gpiod.pd12.into_push_pull_output().downgrade(),
gpiod.pd13.into_push_pull_output().downgrade(),
gpiod.pd14.into_push_pull_output().downgrade(),
gpiod.pd15.into_push_pull_output().downgrade(),
];
schedule.switch_leds(Instant::now() + PERIOD.cycles()).unwrap();
init::LateResources { index: 0, leds }
}
#[task(schedule = [switch_leds], resources = [index, leds])]
fn switch_leds() {
let index = *resources.index;
let num_leds = resources.leds.len();
resources.leds[index].set_high();
resources.leds[(index + 2) % num_leds].set_low();
*resources.index = (index + 1) % 4;
schedule.switch_leds(scheduled + PERIOD.cycles()).unwrap();
}
extern "C" {
fn UART4();
}
};

73
src/main.rs
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@ -1,47 +1,52 @@
#![deny(unsafe_code)]
#![deny(warnings)]
#![no_std]
#![no_main]
#![no_std]
#[cfg(debug_assertions)]
extern crate panic_semihosting;
#[cfg(not(debug_assertions))]
extern crate panic_abort;
use cortex_m_rt::entry;
//use cortex_m_semihosting::hprintln;
use hal::delay::Delay;
use hal::gpio::{Output, PushPull};
use hal::prelude::*;
use rtfm::{app, Instant};
#[entry]
fn main() -> ! {
// Get handles to the hardware.
let core = cortex_m::Peripherals::take().unwrap();
let device = hal::stm32::Peripherals::take().unwrap();
type Led = hal::gpio::gpiod::PD<Output<PushPull>>;
// Get a clock for the delay.
let rcc = device.RCC.constrain();
let clocks = rcc.cfgr.freeze();
let mut delay = Delay::new(core.SYST, clocks);
const PERIOD: u32 = 8_000_000;
// Set up the LEDs.
let gpiod = device.GPIOD.split();
let mut leds = [
gpiod.pd12.into_push_pull_output().downgrade(),
gpiod.pd13.into_push_pull_output().downgrade(),
gpiod.pd14.into_push_pull_output().downgrade(),
gpiod.pd15.into_push_pull_output().downgrade(),
];
let num_leds = leds.len();
assert_eq!(num_leds, 4);
#[app(device = hal::stm32)]
const APP: () = {
static mut index: usize = ();
static mut leds: [Led; 4] = ();
// Blink the LED...
loop {
for index in 0..num_leds {
leds[index].set_high();
leds[(index + 1) % num_leds].set_low();
delay.delay_ms(500u16);
}
#[init(schedule = [switch_leds])]
fn init() -> init::LateResources {
// Set up the LEDs.
let gpiod = device.GPIOD.split();
let leds = [
gpiod.pd12.into_push_pull_output().downgrade(),
gpiod.pd13.into_push_pull_output().downgrade(),
gpiod.pd14.into_push_pull_output().downgrade(),
gpiod.pd15.into_push_pull_output().downgrade(),
];
schedule.switch_leds(Instant::now() + PERIOD.cycles()).unwrap();
init::LateResources { index: 0, leds }
}
}
#[task(schedule = [switch_leds], resources = [index, leds])]
fn switch_leds() {
let index = *resources.index;
let num_leds = resources.leds.len();
resources.leds[index].set_high();
resources.leds[(index + 2) % num_leds].set_low();
*resources.index = (index + 1) % 4;
schedule.switch_leds(scheduled + PERIOD.cycles()).unwrap();
}
extern "C" {
fn UART4();
}
};