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| #[entry]
fn main() -> ! {
if let (Some(p), Some(cp)) = (stm32::Peripherals::take(), Peripherals::take()) {
// Constrain clocking registers
let mut flash = p.FLASH;
let mut rcc = p.RCC.configure().sysclk(48.mhz()).freeze(&mut flash);
let gpioa = p.GPIOA.split(&mut rcc);
/* (Re-)configure PA7 as output */
let ws_data_pin =
cortex_m::interrupt::free(move |cs| gpioa.pa7.into_push_pull_output_hs(cs));
let timer = Timer::tim1(p.TIM1, MegaHertz(3), &mut rcc);
// Get delay provider
let mut delay = Delay::new(cp.SYST, &mut rcc);
let mut ws = Ws2812::new(timer, ws_data_pin);
let mut data: [RGB8; 3] = [RGB8::default(); 3];
let empty: [RGB8; 3] = [RGB8::default(); 3];
data[0] = RGB8 {
r: 0,
g: 0,
b: 0x10,
};
data[1] = RGB8 {
r: 0,
g: 0x10,
b: 0,
};
data[2] = RGB8 {
r: 0x10,
g: 0,
b: 0,
};
loop {
ws.write(data.iter().cloned()).unwrap();
delay.delay_ms(10 as u16);
ws.write(empty.iter().cloned()).unwrap();
delay.delay_ms(10 as u16);
}
}
loop {
continue;
}
}
|
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